KR970010428B1 - Method and apparatus for automatic sterilization of ultraviolet table-ware dryer - Google Patents

Method and apparatus for automatic sterilization of ultraviolet table-ware dryer Download PDF

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Publication number
KR970010428B1
KR970010428B1 KR1019950032397A KR19950032397A KR970010428B1 KR 970010428 B1 KR970010428 B1 KR 970010428B1 KR 1019950032397 A KR1019950032397 A KR 1019950032397A KR 19950032397 A KR19950032397 A KR 19950032397A KR 970010428 B1 KR970010428 B1 KR 970010428B1
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South Korea
Prior art keywords
sterilization
unit
door
dryer
lamp
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KR1019950032397A
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Korean (ko)
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KR970014714A (en
Inventor
이원익
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대우전자 주식회사
배순훈
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Priority to KR1019950032397A priority Critical patent/KR970010428B1/en
Publication of KR970014714A publication Critical patent/KR970014714A/en
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Publication of KR970010428B1 publication Critical patent/KR970010428B1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4236—Arrangements to sterilize or disinfect dishes or washing liquids
    • A47L15/4242—Arrangements to sterilize or disinfect dishes or washing liquids by using ultraviolet generators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/485—Drying arrangements by using alternative heat sources, e.g. microwave or infrared
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/20—Time, e.g. elapsed operating time
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • A47L2501/265—Indication or alarm to the controlling device or to the user about the number of remaining operation cycles or the remaining operation time
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/10—Ultraviolet radiation

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  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The sterilization device senses the closing of door on a command to operate a ultraviolet sterilization lamp periodically for a certain time and effectively inhibit the multiplication of virus. The device construction includes a door switch sensor (20) for sensing the open and close state of the drier, 1st and 2nd timers (30,40) for time setting of operation on receiving signal from the sensor(20), a key imput (10) giving a command for automatic sterilization to a control (50) which compares the operation time to control the lamp drive (80) and a display (90).

Description

자외선 살균건조기의 자동살균방법 및 그 장치Automatic Sterilization Method of Ultraviolet Sterilization Dryer and Its Apparatus

제1도는 종래 기술에 대한 식기건조기를 설명하기 위한 개략적인 제어블럭도.1 is a schematic control block diagram illustrating a dish dryer according to the prior art.

제2도는 본 발명에 따른 제어블럭도.2 is a control block diagram according to the present invention.

제3도는 본 발명에 따른 살균등구동부와 표시부의 일예를 보인 상세회로도.Figure 3 is a detailed circuit diagram showing an example of the sterilization light driving unit and the display unit according to the present invention.

제4도는 본 발명에 따른 제어동작 흐름도.4 is a flowchart of a control operation according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 키입력부 20 : 도어스위치감지부10: key input unit 20: door switch detection unit

30 : 제1타이머부 40 : 제2타이머부30: first timer portion 40: second timer portion

50 : 제어부 60 : 팬구동부50: control unit 60: fan drive unit

70 : 히터구동부 80 : 살균등구동부70: heater driving unit 80: sterilization lamp driving unit

90 : 표시부90: display unit

본 발명은 자외선 살균건조기의 자동살균 기술에 관한 것으로, 더 자세하게는 자외선 살균건조기의 자동살균키에 의한 명령과 동시에 도어가 닫힌 것으로 감지되면 이후 소정시간동안 주기적으로 자외선 살균등을 작동시켜 세균번식을 효과적으로 억제하도록 한 자외선 살균건조기의 자동살균방법 및 그 장치에 관한 것이다.The present invention relates to an automatic sterilization technology of an ultraviolet sterilization dryer, and more particularly, when the door is closed at the same time as the command by the automatic sterilization key of the ultraviolet sterilization dryer, the ultraviolet sterilization lamp is periodically operated for a predetermined time thereafter to carry out germ propagation. The present invention relates to an automatic sterilization method of an ultraviolet sterilization dryer and a device thereof to effectively suppress the same.

통상, 자외선 살균건조기의 종래 기술을 살펴보면, 제1도에 도시된 바와 같이, 일측단에 전원부(2)에 연결된 각 스위치(SW1)(SW2)(SW3)로 구비된 키입력부(1)의 타단에 자외선 살균등구동부(5), 히터구동부(4), 팬구동부(3)을 구성함에 있어서, 소정시간을 세팅가능한 타이머에 의해 제어가 되도록 상기 스위치(SW1)(SW2)(SW3)와 연동되어 구성된 타이머부(6)가 마련되어 있다. 여기서, 상기 자와선 살균등구동부(5)와 스위치(SW3)에 도어스위치(SW4)를 더 포함한 구성으로 되어 있다.In general, looking at the prior art of the ultraviolet sterilization dryer, as shown in Figure 1, the other end of the key input unit 1 provided with each switch (SW1) (SW2) (SW3) connected to the power supply unit 2 at one end In configuring the ultraviolet sterilization lamp driver 5, the heater driver 4, and the fan driver 3, the switch SW1, SW2 and SW3 are linked to each other so as to be controlled by a timer capable of setting a predetermined time. The configured timer part 6 is provided. Here, the self-lighting germicidal light driving unit 5 and the switch SW3 are configured to further include a door switch SW4.

이러한 구성은 사용자가 타이머부(6)에 의해 소정시간을 세팅할 경우에는 이후 그 설정된 시간이 완료되면 각 전원부(2)에 연결된 스위치(SW1)(SW2)(SW3)를 단속함으로서, 살균 및 건조기능을 작동 온/오프시키며 또한, 도어가 오픈시 도어스위치(SW4)가 오프되면 자외선살균등이 점등되지 않도록 함으로써 자외선으로 인한 인체의 해를 막도록 되어 있다.In this configuration, when the user sets a predetermined time by the timer unit 6, after the set time is completed, by disabling the switch (SW1) (SW2) (SW3) connected to each power supply unit 2, sterilization and drying The function is turned on and off, and when the door is open when the door switch (SW4) is off, the ultraviolet sterilization lamp is not turned on to prevent harm to the human body due to ultraviolet rays.

그런데, 이와 같은 통상의 자외선 살균건조기는 소정시간동안 식기류의 살균 및 건조를 마친후에도 주변의 습기에 의해 세균의 번식이 있어왔다. 이는, 주로 살균 및 건조기능을 마친 상태에서 소정시간이상 동안 도어스위치가 닫혀 있는 경우에 그 세균의 번식이 많았으며, 특히 열풍건조가 아닌 자연건조를 하는 경우에 더욱 많이 발생하였다.By the way, such a conventional ultraviolet sterilization dryer has been propagated by the surrounding moisture even after the sterilization and drying of the tableware for a predetermined time. This is mainly when the door switch is closed for more than a predetermined time in a state where the sterilization and drying functions are completed, the germs are more proliferating, especially when the natural drying is not hot air drying.

그래서, 종래에는 빈번하게 도어를 여닫는 경우에 이와 함께 매번 살균동작키를 조작하여 전술한 세균의 번식을 억제하여 왔으나, 이는 결국 빈번한 조작으로 인한 사용자가의 불편함만 초래하였을 뿐만 아니라, 효과적인 목적 달성을 이루지 못했더 문제점이 있었다.Thus, in the past, when the door is frequently opened and closed, the sterilization operation key has been operated every time to suppress the propagation of the above-mentioned bacteria, but this has not only caused inconvenience to the user due to frequent operation but also achieved an effective purpose. There was a problem that did not achieve.

본 발명은 상기와 같은 종래의 문제점을 감안하여 창출한 것으로서, 그 목적은 도어의 개폐를 감지하는 도어스위치감지부에 의한 신호와 동싱에 소정의 시간동안 자동으로 자외선살균등을 주기적으로 반복구동함으로써, 세균번식을 효율적으로 억제하도록 한 자외선 살균건조기의 자동살균방법 및 그 장치를 제공함에 있다.The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to periodically and repeatedly drive ultraviolet sterilization lamps for a predetermined time in synchronism with a signal by a door switch detecting unit for detecting the opening and closing of a door. In addition, the present invention provides an automatic sterilization method and apparatus for ultraviolet sterilization dryer to suppress bacterial propagation efficiently.

상기의 목적을 달성하기 위한 본 발명은 살균건조기의 도어 개폐를 감지하는 도어스위치감지부를 구비하고, 소정의 시간을 각각 설정하는 제1타이머부와 제2타이머부를 구비하며, 상기 도어스위치감지부에서 감지된 신호를 입력받고 키입력부에 의한 자동살균명령을 인가받으면 제어부에서 소정의 시간을 차별적으로 비교하여 그 출력제어로 살균등구동부와 표시부를 제어하도록 하는 특징이 있다.The present invention for achieving the above object is provided with a door switch detection unit for detecting the opening and closing of the door of the sterilization dryer, and having a first timer unit and a second timer unit for setting a predetermined time, respectively, in the door switch detection unit When the detected signal is input and the automatic sterilization command is received by the key input unit, the control unit differentially compares a predetermined time and has a characteristic of controlling the sterilization lamp driver and the display unit by its output control.

한편, 전원인가와 함께 자동살균키 명령이 입력되었는가를 확인 판단하는 단계와, 식기건조기의 도어 개폐여부를 확인판단하는 단계와, 상기 단게에서 도어가 개방되어 있으면 제1타이머부와 표시부의 표시램프를 오프시키는 단계와, 도어가 닫혀 있는 것으로 판단되면 제1타이머부와 표시램프 및 살균등을 온시킴과 동시에 제1타이머부와 제2타이머부의 설정시간을 판단하여 살균등을 온/오프 제어하는 단계로 실행하도록 된 특징이 있다.On the other hand, the step of confirming whether the automatic sterilization key command is input with the power applied, and checking the door opening and closing of the dish dryer, and if the door is open at the step, the display lamp of the first timer and the display Turning off the first door, turning on the first timer unit, the display lamp, and the sterilization lamp, and determining the set time of the first timer unit and the second timer unit to control the sterilization lamp on / off. There is a feature that is intended to be executed in stages.

또, 상기 제1타이머부는 제2타이머부보다 긴 시간으로 설정한 특징이 있다.In addition, the first timer portion has a feature that is set longer than the second timer portion.

이하, 첨부된 도면에 의거하여 본 발명의 바람직한 일실시에를 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제2도는 본 발명에 따른 제어블럭도로서, 시스템의 전반적인 동작을 제어하는 제어부(50)가 구비되고, 상기 제어부(50)에 각종의 자동살균키 명령을 입력하여 주는 키입력부(10)와 도어의 개폐를 감지하는 도어스위치감지부(30)가 구비되며, 또 상기 제어부(50)의 출력제어로 팬을 구동하는 팬구동부(60)을 접속하고, 히터를 구동하는 히터구동부(70) 및 자외선살균등을 점등하여 주는 자외선살균등구동부(80)와 자동건조를 표시램프의 점등으로 알리는 표시부(90)가 접속되는 한편, 각각 소정의 시간을 세트하여 상기 제어부(50)의 자동살균시간을 인가하여 주는 제1타이머부(30)와 제2타이머부(40)가 구성된다.2 is a control block diagram according to the present invention, which includes a control unit 50 for controlling the overall operation of the system and inputs various automatic sterilization key commands to the control unit 50 and the door. The door switch detecting unit 30 for detecting the opening and closing of the control unit 50 is connected to the fan driving unit 60 for driving the fan by the output control of the control unit 50, the heater driving unit 70 for driving the heater and ultraviolet rays. An ultraviolet sterilization lamp driving unit 80 for lighting a sterilization lamp and a display unit 90 for notifying automatic drying by lighting a display lamp are connected, and a predetermined time is set to apply an automatic sterilization time of the control unit 50. The first timer unit 30 and the second timer unit 40 are configured.

그리고, 상기 도어스위치감지부(20)는 살균건조기 어느 도어의 일측에 설치된다.And, the door switch detection unit 20 is installed on one side of any door sterilization dryer.

제3도는 본 발명에 따른 자외선살균등구동부와 표시부의 일예를 보인 상세회로도로서, 상기 자외선살균등구동부(80)는 인버터(I1)와 릴레이(RY1)로 구성되며, 또 표시부(90)는 인버터(I2)와 표시램프(LED1)로 구성된다.3 is a detailed circuit diagram showing an example of the UV sterilization lamp driving unit and the display unit according to the present invention, wherein the UV sterilization lamp driving unit 80 includes an inverter I1 and a relay RY1, and the display unit 90 is an inverter. (I2) and the display lamp (LED1).

여기서, 제어부(50)의 출력단(P1)이 하이이면 인버터(I1)의 출력은 반전된 로우이므로 릴레이(RY1)가 통전되어 전원(AC)이 자외선살균등(U/V)에 공급되는 구성이다.Here, when the output terminal P1 of the control unit 50 is high, the output of the inverter I1 is inverted low, so that the relay RY1 is energized so that the power source AC is supplied to the UV sterilizing lamp U / V. .

표시부(90) 역시 인버터(I1)의 출력은 반전된 로우이므로 전원(Vcc)이 표시램프(LED1)를 통하여 점등되는 구성이다.Since the output of the inverter I1 is inverted low, the display unit 90 is also configured to turn on the power supply Vcc through the display lamp LED1.

상술한 바와 같이 구성된 본 발명의 작용 및 효과를 제4도를 근거로 상세히 설명하면 다음과 같다.Referring to the operation and effect of the present invention configured as described above in detail based on FIG. 4 as follows.

먼저, 본 회로에 전원이 인가된후(S100) 키입력부(10)로써 각 살균 및 건조기능을 선택하면 히터구동부(70), 팬구동부(60) 및 자외선살균등구동부(80)를 구동하여 각 기능에 따른 동작이 선택되는 바, 여기서 본 발명에 따른 자동살균키명령이 선택되면(S101) 우선적으로 식기건조기의 도어 개폐를 감지한다(S102).First, after power is applied to the circuit (S100), if each sterilization and drying function is selected as the key input unit 10, the heater driving unit 70, the fan driving unit 60 and the ultraviolet sterilization driving unit 80 are driven. When the operation according to the function is selected, where the automatic sterilization key command according to the present invention is selected (S101), the door opening and closing of the dish dryer is first detected (S102).

이때 도어스위치감지부(20)에서 도어가 닫힌 것으로 감지되면 긴시간을 설정된 제1타이머부(30)를 구동온(S103)시킴과 동시에 표시부(90)의 표시램프(LED1)를 점등하며(S104), 이와 함께 자외선살균등(U/V)을 구동 온시킨다(S105). 그리고, 제1타이머부(30)보다 짧은 시간을 설정되는 제2타이머부(40)를 구동온 시켜준다(S106). 여기서, 자외선살균등(U/V) 및 표시램프(LED1)를 구동시키는 동작은 제3도에 도시된 바와 같이, 제어부(50)의 출력단(P1)에 하이신호를 입력하면 이 하이신호는 인버터(I1)에 의하여 반전되어 릴레이(RY1)를 도통시키고 이에 전원(AC)이 자외선살균등(U/V)으로 인가됨으로써 자외선살균등(U/V)이 구동 온되며, 또한 제어부(50)의 출력단(P2)에 하이신호를 출력하면 인버터(I1)에 의해 반전된 신호로써 표시램프(LED1)가 점등된다.At this time, when the door switch detection unit 20 detects that the door is closed, the first timer unit 30 set a long time to drive on (S103) and at the same time lights up the display lamp (LED1) of the display unit 90 (S104) In addition, the UV sterilization lamp (U / V) is driven on (S105). Then, the second timer 40 is driven on, which is shorter than the first timer 30 (S106). Here, the operation of driving the UV sterilization lamp (U / V) and the display lamp (LED1) is a high signal is input to the output terminal (P1) of the control unit 50, as shown in Figure 3 Inverted by I1 to conduct the relay RY1, and the power source AC is applied to the UV sterilizing lamp U / V to drive the UV sterilizing lamp U / V, and the control unit 50 When the high signal is output to the output terminal P2, the display lamp LED1 is turned on as a signal inverted by the inverter I1.

상기 제2타이머부(30)에 의한 소정시간을 판단하는 단계(S107)로 진행하여 그 시간이 도달한 것으로 판단되면 제2타이머부(40)를 구동오프(S108)함과 동시에 자외선살균등을 구동 오프시켜 준다(S109). 이때 자외선살균등은 전술한 제어부(50)의 출력단(P1)에 로우신호를 입력하면 이 로우신호는 인버터(I1)에 의하여 반전되어 릴레이(RY1)를 비도통시키고 이에 전원(AC)이 자외선살균등(U/V)으로 인가되지 못하도록 함으로써 자외선살균등이 구동 오프된다.In step S107, the controller determines the predetermined time by the second timer unit 30, and when it is determined that the time has been reached, the second timer unit 40 is driven off (S108) and UV sterilization is performed. Drive off (S109). At this time, when the UV sterilization lamp inputs a low signal to the output terminal P1 of the controller 50, the low signal is inverted by the inverter I1 to conduct the relay RY1 and thus the power source AC sterilizes the UV signal. The UV sterilization lamp is driven off by preventing it from being applied to the lamp U / V.

그리고, 상기 제1타이머부(30)에 의한 설정시간과를 비교하여(S110) 그 시간 이내로 판단되면 상술한 단계를 반복적으로 구동되도록 하는 한편, 그 시간이 경과한 것으로 판단되면 제1타이머부 오프(S111)와 함께 표시램프(LED1)를 소등시켜 주는 단계(S112)로 진행하여 종료로 끝낸다.In addition, when it is determined that the time is determined within the time compared with the set time by the first timer unit 30 (S110), the above-described steps are repeatedly driven, and when the time is passed, the first timer unit is turned off. In step S112, the display lamp LED1 is turned off together with S111, and the process ends.

이와 같이 본 발명은 자동살균시 도어스위치감지부에 의한 신호에 따라 소정의 시간동안 자동으로 자외선살균등을 주기적으로 반복구동함으로써, 세균번식을 효율적으로 억제한 이점이 있다.As described above, the present invention has an advantage of effectively suppressing bacterial propagation by periodically repeatedly driving ultraviolet sterilization lamps automatically for a predetermined time according to a signal by the door switch detecting unit during automatic sterilization.

이상의 설명은 본 발명의 일실시예에 불과하며, 본 발명의 그 구성요지 범위내에서 얼마든지 변형이 가능하다.The above description is only one embodiment of the present invention, and any modification can be made within the scope of the present invention.

Claims (3)

자외선 살균건조기의 도어 개폐를 감지하는 도어스위치감지부(20)를 구비하고, 소정의 시간을 각각 설정하는 제1타이머부(30)와 제2타이머부(40)를 구비하며, 상기 도어스위치감지부(20)에서 감지된 신호를 입력받고 키입력부(10)에 의한 자동살균명령을 인가받으면 제어부(50)에서 소정의 시간을 차별적으로 비교하여 그 출력제어로 자외선살균등구동부(80)와 표시부(90)를 제어하도록 함을 특징으로 한 자외선 살균건조기의 자동살균장치.It includes a door switch detecting unit 20 for detecting the opening and closing of the door of the ultraviolet sterilization dryer, and having a first timer unit 30 and a second timer unit 40 for setting a predetermined time, respectively, the door switch detection When the signal sensed by the unit 20 is received and the automatic sterilization command is received by the key input unit 10, the control unit 50 compares the predetermined time differentially and outputs the UV sterilization unit 80 and the display unit by the output control. Automatic sterilization apparatus of the ultraviolet sterilization dryer, characterized in that to control (90). 전원인가와 함께 자동살균키 명령이 입력되었는가를 확인판단하는 단계와, 식기건조기의 도어 개폐여부를 확인판단하는 단계와, 상기 단계에서 도어가 개방되어 있으면 제1타이머부와 표시부의 표시램프를 오프시키는 단계와, 도어가 닫혀 있는 것으로 판단되면 제1타이머부와 표시램프 및 살균등을 온시킴과 동시에 제1타이머부와 제2타이머부의 설정시간을 판단하여 살균등을 온/오프 제어하는 단계로 실행하도록 된 특징이 있는 자외선 살균건조기의 자동살균방법.Confirming whether an automatic sterilization key command has been input with power-on, determining whether the door of the dish dryer is opened or closed, and if the door is open at this step, the display lamp of the first timer unit and the display unit is turned off. And turning on the first timer unit, the display lamp, and the sterilization lamp when it is determined that the door is closed, and controlling the sterilization lamp on / off by determining the set time of the first timer unit and the second timer unit. Automatic sterilization method of ultraviolet sterilization dryer characterized by being carried out. 제2항에 있어서, 상기 제1타이머부는 제2타이머부보다 긴 시간으로 설정한 특징이 있는 자외선 살균건조기의 자동살균방법.3. The method of claim 2, wherein the first timer unit is sterilized in a UV sterilization dryer, characterized in that the time set longer than the second timer unit.
KR1019950032397A 1995-09-28 1995-09-28 Method and apparatus for automatic sterilization of ultraviolet table-ware dryer KR970010428B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101241902B1 (en) * 2006-09-06 2013-03-12 엘지전자 주식회사 Dishwasher and method of controlling the same
KR101283870B1 (en) * 2006-05-15 2013-07-08 엘지전자 주식회사 Sterilizing method for dish washer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101283870B1 (en) * 2006-05-15 2013-07-08 엘지전자 주식회사 Sterilizing method for dish washer
KR101241902B1 (en) * 2006-09-06 2013-03-12 엘지전자 주식회사 Dishwasher and method of controlling the same

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