KR20060120879A - (a) dish washer and method of controlling the same - Google Patents

Abstract

A dish washer and a control method thereof are provided to prevent the residual water from being contaminated and a stench from occurring as the control unit controls the cleaning holding course to be operated according to the selection of a user. A method of controlling a dish washer is composed of a step(S102) of choosing the course and option desired by a user; a step(S104) of operating the washing and drying strokes according to the chosen course; and steps of selectively operating the cleaning holding course according to the option selection if the drying stroke is finished. The cleaning holding course has steps(S106~S109) operating a first cleaning holding course according to the chosen course if the drying stroke is finished and steps(S111~S114) of operating a second cleaning holding course if the operating command is not re-inputted in a predetermined time after the first cleaning holding course is operated.

Description

Dishwasher and Control Method {(A) dish washer and method of controlling the same}

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

Figure 2 is a flow chart showing a control method of the dishwasher according to the prior art.

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

4 is a flow chart showing a control method 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: storage unit 400: motor drive unit

500: motor 600: heater driving unit

700: heater 800: display unit

The present invention relates to a dishwasher, and in particular, to remove the suspended substances contained in the residual water remaining after using the dishwasher, even if not used for a certain period of time dishwasher to perform the operation in a more comfortable environment And a control method thereof.

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.

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.

The control method of the dish washing machine according to the prior art configured as described above will be described with reference to FIG. 2. First, when a user inputs a power-on command, a user selects a desired course and then inputs an operation command (S11 to S13).

Then, the selected course is performed (S14).

Subsequently, when the washing and drying operation is completed, the power is turned off (S15 to S16).

In operation S17, it is determined whether a reservation setting previously set by the user exists.

Subsequently, if the reservation setting exists, it is determined whether it is the corresponding reservation setting time (S18).

Then, the washing and drying process is performed according to the set conditions (S19).

Finally, it ends when all the administration is completed (S20).

Such a dishwasher according to the prior art generally is to turn on the power, select the desired course and then proceed with the course.

However, the dishwasher according to the prior art has a residual amount of more than a certain level on average after operation, while the frequency of use and frequency is high on average in Europe or other countries where the dishwasher penetration rate is high, whereas in Korea, the next product after operation As the period until use is long, there is a problem in which the residual water is decayed.

In addition, there was a problem of causing various complaints to consumers, such as the occurrence of odor due to the corruption of the residual water.

Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to be able to remove the suspended substances in the residual water remaining after using the dishwasher.

In addition, there is another purpose to maintain the cleanliness in using the dishwasher.

The dishwasher according to the present invention for achieving the above object is controlled by the key input unit for selecting a course and options desired by the user, the washing stroke can be made according to the course selected through the key input unit, the option selection And a control unit for controlling the cleaning process to be performed according to whether or not, a load driving unit controlling driving of the load according to the control signal of the control unit, and a display unit for displaying an operation state according to the control signal of the control unit. It is composed of its features.

Preferably, the controller is characterized in that the re-water supply, pre-washing and drainage stroke is selectively made according to whether or not the user has selected the clean maintenance course.

The control method of the dishwasher according to the present invention for achieving the above object is to select a desired course and options, performing a washing stroke and drying stroke according to the selected course, and when the drying stroke is completed It is characterized in that it comprises the step of performing a clean maintenance course selectively depending on the option selection.

Preferably, the step of selecting the course and the option is characterized in that the user selects the desired cleaning and drying course, the step of selecting a cleaning maintenance course for maintaining the cleanliness of the interior of the washing machine.

More preferably, the step of performing the cleanliness maintenance course may include performing a first cleanliness maintenance course when the drying administration is completed according to the selected course, and operating within a preset time after the first cleansing maintenance course is performed. If the command is not re-entered, it is characterized by a step of performing a second cleanliness course.

More preferably, the performing of the first clean maintenance course may include: performing a first rewatering by a preset amount of water when the drying administration is completed; and performing a first preliminary washing when the first rewatering is completed. And, when the first pre-cleaning is finished, the step consisting of the step of ending the operation after performing the first drainage is characterized.

More preferably, the performing of the second cleaning maintenance course may include performing a second rewatering by a preset water supply amount if an operation start command is not input within a preset setting time after performing the first cleaning maintenance course; Performing a second pre-washing after performing the second rewatering, performing a second drainage after performing the second pre-washing, and turning off the power when the second drainage is completed. There is a characteristic of this.

More preferably, if an operation command is input within a predetermined set time after performing the first cleaning maintenance course, the user performs the cleaning and drying administration according to the selected course, and then performs the first cleaning maintenance course again. It is composed of the features.

Hereinafter, a dishwasher and a control method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram showing a control configuration of the dishwasher according to the present invention, Figure 4 is a flow chart showing a control method of the dishwasher according to the present invention.

As shown in FIG. 3, the dishwasher according to the present invention may perform a corresponding washing process according to a key input unit 100 for selecting a course and an option desired by the user, and a course selected through the key input unit 100. Control unit 200 to control the control, so that the cleaning process can be performed according to whether the option is selected, and the motor driving unit 400 for controlling the driving of the motor 500 according to the control signal of the control unit 200 And a heater driver 600 for controlling driving of the heater 700 according to the control signal of the controller 200, a display unit 800 for displaying an operation state according to the control signal of the controller 200. The storage unit 300 is configured to store various menus and reference values according to a course desired by the user.

Referring to the operation of the dishwasher according to the present invention configured as described above are as follows.

The user inputs a power-on command through the key input unit 100 and selects a desired washing course and a drying course. In addition to the cleaning and drying course selection, a decision is made as to whether to choose a cleaning course for cleaning the inside of the washer.

When the user inputs an operation command through the key input unit 100, the washing stroke is performed according to the selected washing course, and then the drying stroke is performed according to the drying course. Subsequently, the controller 200 determines whether a cleaning maintenance course is pre-selected through the key input unit 100, and performs a preset first cleaning maintenance course when the drying administration is completed.

In this case, the first cleaning maintenance course is a course for removing the suspended substances in the residual water, it is possible to remove the remaining suspended substances by sequentially performing the re-water supply, pre-washing and drainage stroke.

In addition, after performing the first cleanness maintenance course, the controller 200 determines whether the operation command is re-input within a preset time, and if the operation command is not input, performs the preset second cleanness maintenance course. By restarting the dishwasher, turn off the power.

On the other hand, if the operation command is input within a predetermined time after the first clean maintenance course is performed, the first clean maintenance course is performed again after performing the corresponding stroke.

In addition, the control unit 200 outputs a control command to the motor driving unit 400 and the heater driving unit 600 to perform the corresponding stroke according to the washing course selected by the user, the motor driving unit 400 and the heater The driver 600 drives the motor 500 and the heater 700 according to the control command of the controller 200.

And, the operation state made according to the control signal of the control unit 200 displays the operation state for each stroke on the display unit 700.

The control method of the dishwasher according to the present invention configured as described above will be described with reference to FIG. 4. First, when a user inputs a power-on command, the user selects a desired washing and drying course and simultaneously selects an option (S101 to S102). ).

Subsequently, when the user inputs an operation command, washing and drying operations are performed according to the selected course (S103 to S104).

When the drying administration is completed, the first cleaning maintenance course is performed (S106 to S109).

When the first cleanness maintenance course ends, it is determined whether a predetermined set time has elapsed (S110).

Subsequently, if the predetermined setting time has elapsed (S110), the second cleanness maintenance course is performed (S111 to S114).

On the other hand, if the predetermined setting time has not elapsed (S110) and an operation start command is input, the process returns to the step S104 (S115).

Here, the first cleanness maintenance course performs a first rewatering when the drying administration is completed, performs a first preliminary washing when the first rewatering is completed, and a first drainage when the first preliminary washing is completed. Operation is terminated after performing the stroke (S106 to S109).

In addition, it is determined whether the preset time has elapsed after the first cleaning maintenance course ends, wherein the preset time is set to approximately 76 hours.

Subsequently, if the operation command is not input within the preset time after the first cleaning maintenance course is completed, the second cleanness maintenance course determines that the operation is not continuously performed. After the water supply, the second pre-washing and the second drainage are performed, the power is turned off (S111 to S114).

As described above, the dishwasher and the control method according to the present invention allow the user to selectively select the cleaning maintenance course, and thereby to remove the suspended matter remaining after the washing machine operation by performing the corresponding cleaning maintenance course. .

As described above, the dishwasher and its control method according to the present invention have the following effects.

First, after the drying administration, the user can selectively remove the suspended substances contained in the remaining water after using the dishwasher by performing the cleaning maintenance course.

Second, since the suspended solids contained in the residual water can be removed, water corruption and odor can be prevented.

Third, even if the user does not use the dishwasher for a certain period of time, by performing the cleaning maintenance course, the user can provide a more comfortable environment for using the dishwasher afterwards.

Claims (8)

A key input unit for selecting a course and an option desired by the user; A control unit for controlling the washing process according to the course selected through the key input unit and controlling the cleaning process according to whether the option is selected; A load driver controlling the driving of the load according to the control signal of the controller; And, And a display unit for displaying an operation state according to the control signal of the controller. The method of claim 1, The control unit is a dishwasher, characterized in that for controlling the re-supply, pre-washing and drainage stroke is selectively made according to whether the user has selected the cleaning maintenance course. Selecting a course and an option desired by the user; Performing a washing stroke and a drying stroke according to the selected course; And, The control method of the dishwasher, characterized in that the drying administration is completed, including the step of performing a clean maintenance course selectively depending on the option selection. The method of claim 3, wherein Selecting the course and options Selecting a washing and drying course desired by the user, the control method of the dishwasher, characterized in that the step of selecting a cleaning maintenance course for maintaining the cleanliness of the inside of the washing machine. The method of claim 3, wherein The optionally performing a maintenance course Performing a first cleaning maintenance course when the drying administration is completed according to the selected course; and performing a second cleaning maintenance course if an operation command is not input again within a preset time after the first cleaning maintenance course is performed. Control method of the dishwasher, characterized in that consisting of steps. The method of claim 5, Performing the first clean course Performing a first rewatering by a predetermined amount of water when the drying administration is completed; performing a first preliminary washing when the first rewatering is completed; and a first drainage when the first preliminary washing is completed. Control method of the dishwasher, characterized in that consisting of the step of ending the operation after performing. The method of claim 5, Performing the second cleanliness course If the start command is not input within the preset time after performing the first cleanness maintenance course, performing a second rewatering by a predetermined amount of water; and performing a second preliminary washing after performing the second rewatering. And performing a second drainage after performing the second preliminary washing, and turning off the power when the second drainage is completed. The method of claim 5, If the operation command is input within a predetermined set time after performing the first cleaning maintenance course, the user may further perform the first cleaning maintenance course after performing the corresponding washing and drying administration according to the selected course. Control method of the dishwasher, characterized in that.

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