KR20070021648A - dish washer having sterilizing function and control method of the same - Google Patents

dish washer having sterilizing function and control method of the same Download PDF

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Publication number
KR20070021648A
KR20070021648A KR1020050076144A KR20050076144A KR20070021648A KR 20070021648 A KR20070021648 A KR 20070021648A KR 1020050076144 A KR1020050076144 A KR 1020050076144A KR 20050076144 A KR20050076144 A KR 20050076144A KR 20070021648 A KR20070021648 A KR 20070021648A
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South Korea
Prior art keywords
washing
dishes
stroke
sterilization
driving
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KR1020050076144A
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Korean (ko)
Inventor
권순용
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엘지전자 주식회사
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Priority to KR1020050076144A priority Critical patent/KR20070021648A/en
Priority to PCT/KR2006/003218 priority patent/WO2007021137A1/en
Priority to CN2006800297492A priority patent/CN101267760B/en
Priority to US11/997,243 priority patent/US20090110594A1/en
Priority to AU2006280595A priority patent/AU2006280595B2/en
Priority to EP06783628.8A priority patent/EP1915086B1/en
Publication of KR20070021648A publication Critical patent/KR20070021648A/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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0036—Steam or sterilizing phases
    • 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
    • A47L15/4276—Arrangements to detect or remove bad smells or odours
    • 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
    • A47L2401/34—Other automatic detections
    • 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
    • A47L2501/12—Air blowers
    • 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)
  • Washing And Drying Of Tableware (AREA)
  • Physical Water Treatments (AREA)

Abstract

본 발명은 식기의 살균과 탈취가 가능한 살균기능을 가진 식기 세척기 및 그 제어방법에 관한 것으로, 세척조 내의 공기를 순환시키기 위한 순환 팬과, 세척 및 건조 완료된 식기를 살균하기 위한 자외선(ultraviolet)을 방출하는 UV 램프와, 식기의 세척, 헹굼, 건조행정이 완료되면 식기의 살균과 탈취를 위해 UV 램프를 구동함과 동시에 순환 팬을 구동하도록 제어하는 제어부를 포함하여 구성되는데 특징이 있다.The present invention relates to a dishwasher having a sterilization function capable of sterilizing and deodorizing dishes and a control method thereof, comprising: a circulation fan for circulating air in a washing tank and ultraviolet rays for sterilizing washed and dried dishes It is characterized in that it comprises a UV lamp, and a control unit for controlling the driving of the circulation fan and at the same time driving the UV lamp for sterilization and deodorization of the dish when the washing, rinsing, drying operation of the tableware is completed.

따라서, 본 발명은 세척과 건조가 완료된 이후 자외선(UV)을 방출함과 아울러 세척조 내부의 공기를 순환시킴으로써 식기에 남아있는 세균과 음식냄새를 제거하여 세척성능을 더욱 향상시킬 수 있다.Therefore, the present invention can further improve the washing performance by removing the bacteria and food odor remaining in the dishes by circulating the air inside the washing tank while releasing ultraviolet rays (UV) after the washing and drying is completed.

식기 세척기/살균/탈취/UV(Ultraviolet) Dishwasher / Sterilization / Deodorization / UV (Ultraviolet)

Description

살균기능을 가진 식기 세척기 및 그 제어방법{dish washer having sterilizing function and control method of the same}Dish washer having sterilizing function and control method of the same}

도 1은 일반적인 식기 세척기의 구성을 도시한 단면도1 is a cross-sectional view showing the configuration of a general dish washer

도 2는 본 발명에 따른 살균기능을 구비한 식기 세척기의 구성을 나타낸 블록도Figure 2 is a block diagram showing the configuration of the dishwasher with a sterilization function according to the invention

도 3은 본 발명에 따른 살균기능을 구비한 식기 세척기의 행정 제어방법을 나타낸 플로우 차트Figure 3 is a flow chart showing a stroke control method of the dishwasher with a sterilization function according to the present invention

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

51: 세척모터 53: 급수밸브51: cleaning motor 53: water supply valve

55: 배수밸브 57: 히터55: drain valve 57: heater

59: 팬 모터 60: UV 램프59: fan motor 60: UV lamp

본 발명은 식기 세척기에 관한 것으로, 보다 상세하게는 살균기능을 가진 식기 세척기 및 그 제어방법에 관한 것이다.The present invention relates to a dishwasher, and more particularly, to a dishwasher having a sterilization function and a control method thereof.

일반적으로, 식기 세척기는 식사 후 식기에 묻어 있는 음식물 찌꺼기를 자동 세척하는 기기이다.In general, the dishwasher is a device for automatically cleaning the food residue on the dish after eating.

도 1에 도시한 바와 같이, 일반적인 식기 세척기의 구조는 내부에 소정의 공간을 갖도록 터브(Tub)(1)가 형성되고, 터브(1) 내부에 식기를 수납하는 상측 랙(Rack)(10)과 하측 랙(11)이 설치되어 있다.As shown in FIG. 1, in the structure of a general dish washing machine, a tub 1 is formed to have a predetermined space therein, and an upper rack 10 for storing dishes in the tub 1. And a lower rack 11 are provided.

그리고, 상기 상/하측 랙(10, 11)의 하측에는 세척수를 분사하는 상/하측 분사 아암(8, 9)이 설치되어 있다.In addition, upper and lower spray arms 8 and 9 for spraying washing water are provided below the upper and lower racks 10 and 11.

그리고, 상기 터브(1)의 하부에 식기를 세척하기 위한 세척수가 저장되는 섬프(Sump)(3)가 형성되어 있고 상기 섬프(3) 내부에는 세척수를 여과하는 필터(2)가 장착되어 있다.In addition, a sump 3 is formed below the tub 1 to store washing water for washing dishes, and a filter 2 for filtering the washing water is mounted inside the sump 3.

그리고, 터브(1)의 하부에 세척수를 가열하기 위한 히터(도시 생략)가 설치되어 있다.And the heater (not shown) for heating washing water is provided in the lower part of the tub 1.

그리고, 상기 섬프(3)의 하측 내부에 세척수를 순환시키기 위한 순환펌프(5)가 설치되어 있고 상기 순환펌프(5)에는 하측 분사아암(9)과 연결되는 하측 유로(6)와 상측 분사아암(8)과 연결되는 상측유로(7)가 각각 형성되어 있다.In addition, a circulation pump 5 for circulating the washing water is provided in the lower side of the sump 3, and the circulation pump 5 has a lower flow path 6 and an upper injection arm connected to the lower injection arm 9. Upper flow paths 7 connected to 8 are formed, respectively.

그리고, 상기 섬프(3)의 하부에 세척이 끝나면 세척수를 배수시키는 배수펌프(12)가 설치되어 있고 세척을 위해 공급되는 세척수의 수위를 감지하는 수위 감지수단(13)이 상기 섬프(3)와 연결되어 설치된다.Then, when the washing is finished in the lower part of the sump (3), a drain pump (12) for draining the washing water is installed, and the water level detecting means (13) for detecting the water level of the washing water supplied for washing and the sump (3) It is connected and installed.

상기와 같이 구성된 종래의 식기 세척기는 사용자가 식기량, 식기 종류 등을 고려하여 행정 명령을 입력한다.The conventional dishwasher configured as described above, the user inputs an administrative command in consideration of the amount of dishes, the type of dishes, and the like.

이때, 시스템 제어부(도시 생략)는 사용자로부터 입력된 행정 명령에 해당하 는 세척 알고리즘에 따라 각종 부하를 제어하게 되는데, 먼저 급수 밸브(도시 생략)가 열리면서 섬프(3)에 세척수가 공급된다.At this time, the system control unit (not shown) is to control the various loads according to the washing algorithm corresponding to the administrative command input from the user, the water supply valve (not shown) is opened, the washing water is supplied to the sump (3).

섬프(3) 내부의 세척수가 설정 수위까지 도달하게 되면 급수를 중단하고 히터(도시 생략)를 구동하여 섬프(3)에 저장된 세척수를 가열한 후 순환펌프(5)를 구동시켜 상기 가열된 세척수를 상측유로(7)와 하측유로(6)를 통해 상/하측 분사아암(8, 9)으로 공급한다.When the wash water inside the sump (3) reaches the set level, the water supply is stopped and the heater (not shown) is driven to heat the wash water stored in the sump (3), and then the circulation pump (5) to drive the heated wash water. The upper and lower injection arms 8 and 9 are supplied through the upper channel 7 and the lower channel 6.

상기 상/하측 분사아암(8, 9)을 통해 세탁수를 분사하여 상/하측 랙(10, 11)에 수납된 식기를 세척한다.Washing water is sprayed through the upper and lower spray arms 8 and 9 to wash dishes stored in the upper and lower racks 10 and 11.

그러나, 종래의 식기 세척기는 세척수를 가열하여 식기 세척행정을 수행하나 행정 중에 별도의 살균과 탈취 과정이 없었다. 즉, 세척수의 가열만으로 식기를 살균하거나 탈취하기에는 한계가 있었다.However, in the conventional dishwasher, the washing water is heated to perform the dish washing stroke, but there is no separate sterilization and deodorization process during the stroke. That is, there is a limit to sterilize or deodorize the dishes only by heating the washing water.

최근 생활수준의 향상으로 이른바 웰빙(Well-being) 문화가 퍼지기 시작하면서 건강을 무엇보다 중요하게 생각하는 등 건강에 관련된 새로운 라이프 스타일의 요구가 커져만 가고 있다.Recently, with the improvement of living standards, the so-called well-being culture has begun to spread, and the demand for a new lifestyle related to health is only growing.

이러한 문화적 변화에 따라 식기에 세균이나 음식냄새가 남아있을 경우 사용자에게 불쾌감을 줄 수 있었고 이로 인해 제품에 대한 사용자의 만족도가 떨어지는 문제가 있었다.According to this cultural change, if bacteria or food odors remain in the tableware, it may cause discomfort to the user, which causes a problem that the user's satisfaction with the product falls.

따라서 본 발명은 상기와 같은 문제점을 해결하기 위해 안출한 것으로서, 본 발명의 목적은 식기의 살균과 탈취가 용이한 살균기능을 가진 식기 세척기 및 그 제어방법을 제공하는데 있다.Accordingly, the present invention has been made to solve the above problems, an object of the present invention to provide a dishwasher having a sterilization function and easy to sterilize and deodorization of the tableware and its control method.

상기와 같은 목적을 달성하기 위해, 본 발명은 세척조 내의 공기를 순환시키기 위한 순환 팬과, 세척 및 건조 완료된 식기를 살균하기 위한 자외선(ultraviolet)을 방출하는 UV 램프와, 식기의 세척, 헹굼, 건조행정이 완료되면 식기의 살균과 탈취를 위해 UV 램프를 구동함과 동시에 순환 팬을 구동하도록 제어하는 제어부를 포함하여 구성되는 살균 기능을 가진 식기 세척기를 제공한다.In order to achieve the above object, the present invention provides a circulation fan for circulating air in the washing tank, a UV lamp for emitting ultraviolet rays for sterilizing the washed and dried dishes, and washing, rinsing and drying the dishes. When the stroke is completed, and provides a dishwasher having a sterilization function configured to include a control unit for controlling the driving of the circulation fan while driving the UV lamp for sterilization and deodorization of the tableware.

그리고, 본 발명은 사용자로부터 살균 기능을 포함한 세척코스가 선택되면 세척수와 세제를 이용하여 식기를 세척하는 세척행정을 수행하는 단계와, 세척행정 후 식기에 남아있는 세제나 음식찌꺼기를 제거하는 헹굼행정을 수행하는 단계와, 세탁조 내의 공기를 순환시켜 식기에 남아있는 수분을 제거하는 건조행정을 수행하는 단계와, 건조 완료된 식기의 살균과 탈취를 위해 자외선(UV)을 방출하고 세탁조 내의 공기를 순환시키는 살균행정을 수행하는 단계를 포함하여 이루어지는 살균 기능을 가진 식기 세척기의 제어방법을 제공한다.In addition, the present invention, if the washing course including the sterilization function is selected from the user performs a washing stroke to wash the dishes using the washing water and detergent, and rinsing stroke to remove the detergent or food residues left in the dishes after the washing stroke Performing a drying stroke to remove moisture remaining in the dishes by circulating air in the washing tank, and circulating air in the washing tank to emit ultraviolet rays (UV) for sterilization and deodorization of the dried dishes. It provides a control method of the dishwasher having a sterilization function comprising the step of performing a sterilization stroke.

여기서, 살균행정을 수행하는 단계는; 건조행정이 완료되면 제 1 설정시간(T1)동안 UV 램프와 함께 순환 팬을 구동하는 단계와, 상기 제 1 설정시간(T1)이 경과하면 UV 램프의 구동을 중단하고 제 2 설정시간(T2)동안 순환 팬의 구동만을 유지하는 단계로 이루어지는 것이 바람직하다.Here, the step of performing a sterilization stroke; When the drying operation is completed, driving the circulation fan with the UV lamp for the first set time (T1), and when the first set time (T1) has elapsed, the driving of the UV lamp is stopped and the second set time (T2) It is preferable to consist of maintaining only the driving of the circulation fan during.

따라서, 본 발명에 의하면 세척과 건조가 완료된 이후 자외선(UV)을 방출함과 아울러 세척조 내부의 공기를 순환시킴으로써 식기에 남아있는 세균과 음식냄새 를 제거할 수 있다.Therefore, according to the present invention, after the washing and drying is completed, by releasing ultraviolet (UV) and circulating the air inside the washing tank, it is possible to remove the bacteria and food odor remaining in the tableware.

본 발명의 다른 목적, 특성 및 잇점들은 첨부한 도면을 참조한 실시예들의 상세한 설명을 통해 명백해질 것이다.Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments taken in conjunction with the accompanying drawings.

본 발명에 따른 살균 기능을 구비한 식기 세척기 및 그 제어방법의 바람직한 실시예에 대하여 첨부한 도면을 참조하여 설명하면 다음과 같다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of a dish washer having a sterilizing function and a control method thereof according to the present invention will be described with reference to the accompanying drawings.

도 2에 도시한 바와 같이, 본 발명에 따른 살균 기능을 가진 식기 세척기는 사용자가 세척코스 및 살균기능 여부를 선택하기 위한 키 입력부(30)와, 세척조 내의 세척수 수위를 감지하기 위한 수위 감지부(40)와, 세척모터(51), 급/배수 밸브(53, 55), 히터(57), 팬 모터(59) 등의 부하를 구동하기 위한 부하 구동부(50)와, 세척 및 건조 완료된 식기를 살균하기 위한 자외선(UV)을 방출하는 UV 램프(60)와, 행정 진행상태를 표시하기 위한 디스플레이부(70)와, 사용자가 선택한 세척코스에 따라 행정에 필요한 부하를 제어하고 세척, 헹굼, 건조행정이 완료되면 식기의 살균과 탈취를 위해 UV 램프(60)와 팬 모터(59)를 구동하도록 제어하는 제어부(80)로 구성된다.As shown in FIG. 2, the dishwasher having a sterilization function according to the present invention includes a key input unit 30 for the user to select a washing course and a sterilization function, and a water level detection unit for detecting the level of the washing water in the washing tank. 40, the load driving unit 50 for driving loads of the washing motor 51, the water supply / drain valves 53 and 55, the heater 57, the fan motor 59, and the dishes which have been washed and dried UV lamp 60 that emits ultraviolet rays (UV) for sterilization, display unit 70 for displaying the progress of the stroke, and the load required for the stroke is controlled, washed, rinsed and dried according to the washing course selected by the user. When the stroke is completed, the control unit 80 controls to drive the UV lamp 60 and the fan motor 59 for sterilization and deodorization of the tableware.

본 발명의 식기 세척기는, 자외선을 방출하기 위한 UV 램프(60)를 구비하여 식기의 건조 종료 후 일정시간동안 자외선을 방출하여 식기를 살균한다.The dishwasher of the present invention is provided with a UV lamp 60 for emitting ultraviolet rays to sterilize the dishes by emitting ultraviolet rays for a predetermined time after the drying of the dishes.

아울러, UV 램프(60)를 구동하는 동안 세척조 내부의 공기를 순환시키기 위해 순환 팬에 구동력을 전달하도록 팬 모터(59)를 구동한다.In addition, the fan motor 59 is driven to transmit a driving force to the circulation fan to circulate the air inside the washing tank while driving the UV lamp 60.

이와 같이 구성된 본 발명에 따른 식기 세탁기의 행정 제어방법을 도 3을 참조하여 상세히 설명하면 다음과 같다.When described in detail with reference to Figure 3 the stroke control method of the dish washing machine according to the present invention configured as described above.

사용자가 세척조 내의 적재수단에 세척하고자 하는 식기를 적재하고 적재한 식기량, 식기 종류를 고려하여 키 입력부(30)를 통해 세척코스와 살균기능 실행 여부를 선택한다(S10).The user loads the dishes to be cleaned in the loading means in the washing tank, and selects whether the washing course and the sterilization function are executed through the key input unit 30 in consideration of the amount of the dishes and the types of the dishes.

이때, 제어부(80)는 사용자로부터 살균기능을 포함한 세척코스가 선택되었는지 여부를 판단한다(S20).At this time, the controller 80 determines whether the washing course including the sterilization function is selected by the user (S20).

상기 판단결과(S20), 사용자가 살균기능을 선택하지 않은 상태에서 세척코스를 선택한 경우에는 살균기능을 수행하지 않고 사용자에 의해 선택된 세척코스에 해당하는 알고리즘에 따라 행정을 수행하게 된다.As a result of the determination (S20), when the user selects the washing course without selecting the sterilizing function, the administration is performed according to the algorithm corresponding to the washing course selected by the user without performing the sterilizing function.

먼저, 행정으로 진입하게 되면 급수밸브(53)를 열어 세척수를 급수하고, 이때, 수위 감지부(40)를 통해 감지된 세척수위가 기 설정수위에 도달하면 급수밸브(53)를 닫아 급수를 중단한다.First, when entering the stroke to open the water supply valve 53 to supply the washing water, at this time, when the washing water level detected through the water level detection unit 40 reaches the predetermined level to close the water supply valve 53 to stop the water supply do.

이어, 급수된 세척수와 세제를 이용하여 세척조에 적재된 식기를 세척하고 정지하는 과정을 일정 횟수 반복함으로써 예비 세척행정을 수행한다(S30).Subsequently, the preliminary washing operation is performed by repeating a process of washing and stopping the dishes loaded in the washing tank by using the supplied washing water and the detergent (S30).

상기 예비 세척행정이 완료되면 배수밸브(55)를 열어 예비 세척시 사용된 세척수를 배수하고 설정수위까지의 급수를 다시 수행한다. 그리고, 히터(57)를 구동하여 세척수를 가열한 후 가열된 세척수를 식기에 분사하여 본 세척행정을 수행한다(S32).When the preliminary washing stroke is completed, the drain valve 55 is opened to drain the washing water used in the preliminary washing, and the water supply to the set water level is performed again. Then, the washing water is heated by driving the heater 57 and the heated washing water is sprayed on the dish to perform the main washing operation (S32).

이후, 본 세척행정이 완료되면 배수 후 다시 급수를 수행한 후 세척수를 고온으로 가열하고 가열된 세척수를 이용하여 식기에 잔존하는 음식 찌거기 또는 세제 등을 제거하는 가열헹굼 행정을 수행한다(S34).Thereafter, when the washing administration is completed, after the drainage is performed, water is supplied again, and then the washing water is heated to a high temperature, and a heating rinsing stroke is performed to remove the food residue or detergent remaining in the dish using the heated washing water (S34).

상기 예비 세척, 본 세척, 가열 헹굼이 완료되면 팬 모터(59)를 통해 순환 팬을 회전시켜 세척조 내부의 공기를 순환시킴으로써 식기에 남아있는 수분을 제거하는 건조 행정을 수행한다(S36).When the preliminary washing, the main washing and the heating rinsing are completed, a drying stroke is performed to rotate the circulation fan through the fan motor 59 to circulate the air in the washing tank to remove moisture remaining in the dishes (S36).

즉, 살균 기능을 포함하지 않은 세척코스일 경우 예비세척, 본 세척, 가열 헹굼, 건조 순서로 행정을 마무리한다.In other words, if the cleaning course does not include the sterilization function, finish the stroke in the order of pre-washing, main washing, heating rinsing, drying.

한편, 상기 판단결과(S20) 사용자가 살균 기능을 포함한 세척 코스를 선택한 경우에는 앞서 설명한 과정과 동일한 방식으로 예비세척 행정(S40), 본 세척행정(S42), 가열헹굼 행정(S44), 건조행정(S46)을 수행한 후 살균 기능을 수행한다.On the other hand, if the determination result (S20) the user selected the washing course including the sterilization function in the same manner as described above preliminary washing stroke (S40), this washing stroke (S42), heating rinsing stroke (S44), drying stroke After performing (S46) performs a sterilization function.

건조 완료된 식기를 살균하고 식기에 남아있는 음식냄새를 제거하기 위하여, 기 설정시간(예를 들어, 10분 이상)동안 UV 램프(60)를 구동시킴과 동시에 팬 모터(59)를 구동한다(S48).In order to sterilize the dried dishes and to remove the food odor remaining in the dishes, the UV lamp 60 is driven for a predetermined time (for example, 10 minutes or more) and the fan motor 59 is driven (S48). ).

즉, UV 램프(60)를 구동시킴으로써 식기를 살균하고 UV 램프(60)의 구동과 연동하여 팬 모터(59)를 구동시킴으로써 순환 공기를 통해 식기의 탈취 기능을 수행한다.That is, sterilizing the dishes by driving the UV lamp 60 and driving the fan motor 59 in conjunction with the driving of the UV lamp 60 performs deodorization function of the dishes through the circulating air.

상기 설정시간이 경과하면 UV 램프(60)의 구동을 정지한 상태에서 소정시간(대략, 2분) 팬 모터(59)만을 구동하여 탈취 과정을 유지한다(S50).When the set time has elapsed, the deodorizing process is maintained by driving only the fan motor 59 for a predetermined time (approximately, 2 minutes) in a state where the driving of the UV lamp 60 is stopped (S50).

따라서, 본 발명은 UV 램프(60)를 구비한 식기 세척기를 제공하여 세척 및 건조 완료된 식기에 자외선을 방출함으로써 식기를 살균한다.Therefore, the present invention provides a dishwasher equipped with a UV lamp 60 to sterilize the dishes by emitting ultraviolet rays to the washed and dried dishes.

그리고, UV 램프(60)를 구동하는 동안 순환 팬을 구동하여 세척조 내부의 공기를 순환시킴으로써 식기에 남아있는 음식 냄새를 제거한다.Then, by driving the circulation fan while driving the UV lamp 60 to circulate the air inside the washing tank to remove the food smell remaining in the dishes.

본 발명은 상술한 실시예에 한정되지 않으며, 첨부된 청구범위에서 알 수 있는 바와 같이 본 발명이 속한 분야의 통상의 지식을 가진 자에 의해 변형이 가능하고 이러한 변형은 본 발명의 범위에 속한다. The present invention is not limited to the above-described embodiments, and as can be seen in the appended claims, modifications can be made by those skilled in the art to which the invention pertains, and such modifications are within the scope of the present invention.

이상에서 설명한 바와 같은 본 발명에 따른 살균 기능을 가진 식기 세척기 및 그 제어방법은 건조 완료된 이후 일정시간 동안 식기에 자외선(UV)을 방출하고 세척조 내의 공기를 순환시킴으로서 식기의 살균과 탈취 통해 세척성능을 보다 향상시킬 수 있다.Dishwasher with a sterilization function and a control method according to the present invention as described above is a cleaning performance by disinfecting and deodorizing the tableware by releasing ultraviolet (UV) to the tableware and circulating the air in the washing tank for a predetermined time after drying is completed It can improve more.

따라서, 본 발명은 사용자의 제품 만족도와 신뢰성을 한층 높일 수 있는 효과가 있다.Therefore, the present invention has the effect of further increasing the user's product satisfaction and reliability.

Claims (3)

세척조 내의 공기를 순환시키기 위한 순환 팬과,A circulation fan for circulating air in the washing tank, 세척 및 건조 완료된 식기를 살균하기 위한 자외선(ultraviolet)을 방출하는 UV 램프와,A UV lamp that emits ultraviolet rays to sterilize washed and dried dishes; 식기의 세척, 헹굼, 건조행정이 완료되면 식기의 살균과 탈취를 위해 UV 램프를 구동함과 동시에 순환 팬을 구동하도록 제어하는 제어부를 포함하여 구성되는 것을 특징으로 하는 살균 기능을 가진 식기 세척기.The dishwasher having a sterilizing function, characterized in that it comprises a control unit for controlling the driving of the circulation fan and at the same time driving the UV lamp for sterilization and deodorization of the dishes when the washing, rinsing, drying of the dishes is completed. 사용자로부터 살균 기능을 포함한 세척코스가 선택되면 세척수와 세제를 이용하여 식기를 세척하는 세척행정을 수행하는 단계와,If a washing course including a sterilization function is selected by the user, performing a washing stroke for washing dishes using washing water and detergent; 세척행정 후 식기에 남아있는 세제나 음식찌꺼기를 제거하는 헹굼행정을 수행하는 단계와,Performing a rinsing stroke to remove detergent or food residues left on the dishes after the washing stroke; 세탁조 내의 공기를 순환시켜 식기에 남아있는 수분을 제거하는 건조행정을 수행하는 단계와,Performing a drying stroke to circulate air in the washing tank to remove moisture remaining in the dishes; 건조 완료된 식기의 살균과 탈취를 위해 자외선(UV)을 방출하고 세탁조 내의 공기를 순환시키는 살균행정을 수행하는 단계를 포함하여 이루어지는 것을 특징으로 하는 살균 기능을 가진 식기 세척기의 제어방법.A control method of a dishwasher having a sterilizing function, characterized in that it comprises the step of performing a sterilization stroke for releasing ultraviolet (UV) and circulating the air in the washing tank for sterilization and deodorization of the dried dishes. 제 2 항에 있어서,The method of claim 2, 살균행정을 수행하는 단계는;Performing a sterilization stroke; 건조행정이 완료되면 제 1 설정시간(T1)동안 UV 램프와 함께 순환 팬을 구동하는 단계와,Driving the circulation fan with the UV lamp during the first set time T1 when the drying operation is completed; 상기 제 1 설정시간(T1)이 경과하면 UV 램프의 구동을 중단하고 제 2 설정시간(T2)동안 순환 팬의 구동만을 유지하는 단계로 이루어지는 것을 특징으로 하는 살균 기능을 가진 식기 세척기의 제어방법.Stopping the driving of the UV lamp and maintaining only the driving of the circulation fan for the second setting time (T2) when the first setting time (T1) has elapsed.
KR1020050076144A 2005-08-19 2005-08-19 dish washer having sterilizing function and control method of the same KR20070021648A (en)

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CN2006800297492A CN101267760B (en) 2005-08-19 2006-08-17 Dish washer with uv sterilization device therein and method for controlling the dish washer
US11/997,243 US20090110594A1 (en) 2005-08-19 2006-08-17 Dish washer with uv sterilization device therein
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