KR960013870B1 - Drying device in washing machine for crockery - Google Patents

Drying device in washing machine for crockery Download PDF

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Publication number
KR960013870B1
KR960013870B1 KR1019950016382A KR19950016382A KR960013870B1 KR 960013870 B1 KR960013870 B1 KR 960013870B1 KR 1019950016382 A KR1019950016382 A KR 1019950016382A KR 19950016382 A KR19950016382 A KR 19950016382A KR 960013870 B1 KR960013870 B1 KR 960013870B1
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KR
South Korea
Prior art keywords
temperature
washing
washing tank
heater
dish
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KR1019950016382A
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Korean (ko)
Inventor
변상덕
Original Assignee
엘지전자 주식회사
구자홍
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Priority to KR1019950016382A priority Critical patent/KR960013870B1/en
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Publication of KR960013870B1 publication Critical patent/KR960013870B1/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
    • A47L15/48—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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4287—Temperature measuring or regulating arrangements
    • 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
    • A47L2401/18—Air temperature
    • 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

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  • Washing And Drying Of Tableware (AREA)

Abstract

The apparatus and method senses the quantity of dishes while washing and drying them, and varying the washing and drying conditions based on the sensed quantity. The apparatus includes: a heater(4) increasing the temperature within a washing chamber(1); a blowing motor(3) regulating the temperature; a temperature sensor(2) sensing the temperature within the chamber for determining the quantity of dishes. The method comprises the steps of regulating the temperature within the chamber(1) by blowing a cool air; increasing the temperature by heating and blowing the air; adjusting the cleaning conditions.

Description

식기세척 건조기 및 그의 제어방법Dish-washing dryer and control method

제1도는 종래의 기술에 의한 식기세척 건조기의 정면 구성도.1 is a front configuration diagram of a dish washing dryer according to the prior art.

제2도는 종래의 기술에 의한 식기세척 건조기의 제어방법을 도시한 순서도.2 is a flowchart illustrating a method of controlling a dish washing dryer according to the related art.

제3도는 식기량에 따른 식기세척 건조기의 내부온도 변화를 도시한 그래프.3 is a graph showing a change in the internal temperature of the dish washing dryer according to the amount of dishes.

제4도는 본 발명에 의한 식기세척 건조기의 정면 구성도.4 is a front configuration diagram of the dish washing dryer according to the present invention.

제5도는 본 발명에 의한 식기세척 건조기의 제어방법의 실시예를 도시한 순서도.5 is a flow chart showing an embodiment of a control method of a dish washing dryer according to the present invention.

제6도는 본 발명에 의한 식기세척 건조기의 제어방법의 다른 실시예를 도시한 순서도.Figure 6 is a flow chart showing another embodiment of a method for controlling a dish washing dryer according to the present invention.

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

1 : 세척조 2 : 온도센서1: washing tank 2: temperature sensor

3 : 송풍모터 4 : 히터3: blower motor 4: heater

5 : 내부히터 6 : 세척날개5: internal heater 6: washing blade

7 : 세척모터 8 : 식기선반7: washing motor 8: dishwasher

본 발명은 식기세척 건조기 및 그의 제어방법에 관한 것으로, 특히 온도센서와 송풍장치를 이용하여 식기세척기 내부의 온도증가에 따라 식기량을 감지하기 위한 식기세척 건조기 및 그의 제어방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dish washing dryer and a control method thereof, and more particularly, to a dish washing dryer and a control method thereof for detecting an amount of dishes according to an increase in temperature inside a dish washing machine using a temperature sensor and a blower.

제1도는 종래의 기술에 의한 식기세척 건조기를 도시한 것으로, 세척조(1) 내부에는 식기를 담기 위한 식기선반(8)과, 세척시 하단에 세척수를 분사하기 위한 세척날개(6)와, 세척 후 식기를 건조시키기 위한 내부히터(5)가 설치되어 있고, 외부에는 세척조 내부의 물을 분사하기 위한 세척모터(7)가 설치되어 있으며, 상기 세척날개(6)는 2개로 일정한 방향의 구멍이 뚫려 있어 물의 분사력에 의해 회전을 하며, 이 회전에 의해 물이 세척조 내부에 뿌려지게 된다.1 shows a dish washing dryer according to the related art, a washing shelf 1 for storing dishes in a washing tank 1, a washing wing 6 for spraying washing water at a lower end during washing, and washing After the inner heater (5) for drying the dishes is installed, the washing motor (7) for spraying the water in the washing tank is installed on the outside, the washing wings (6) are two holes in a predetermined direction As it is drilled, it rotates by the injection force of water, and the rotation causes water to be sprayed into the washing tank.

그리고 제2도를 참조하여 동작과정을 살펴보면, 먼저 전원이 공급되면 일정량의 물을 급수한 후 약5분간 예비세척을 진행하고 배수를 실시하며, 이어서 다시 일정량의 물을 급수한 후 10분정도 본세척을 실시하는데, 이 본세척 구간에서는 물을 가열하여 일정시간이 지난 후 식기량에 따라 제3도에 도시한 바와같이 온도를 감지함으로써 온도가 낮아지는 순서(T2,T,T1)로 식기량을 대,중,소로 판별하고 이에따라 급수량 및 세척시간을 설정한다.Referring to FIG. 2, the operation process is as follows. First, when the power is supplied, a predetermined amount of water is supplied, followed by preliminary washing for about 5 minutes, and then drained. In this main washing section, the water is heated in the order of decreasing the temperature (T2, T, T1) by sensing the temperature as shown in FIG. Determine the large, medium, and small and set the water supply and washing time accordingly.

그러나 이러한 종래의 식기세척 건조기는, 예비세척 후 본세척이 끝나는 시점에서 식기량을 감지하도록 되어 있기 때문에 물과 전력이 낭비되는 문제점이 있다.However, such a conventional dish washing dryer has a problem in that water and power are wasted because the amount of the dish is sensed at the end of the main washing after the preliminary washing.

따라서 본 발명의 목적은 상기와 같은 문제점을 해결하기 위하여 온도센서와 송풍장치를 이용하여 작동과 동시에 세척조 내부의 온도를 측정할 수 있는 식기세척 건조기를 제공하는 것이다.Therefore, an object of the present invention is to provide a dish washing dryer capable of measuring the temperature inside the washing tank at the same time using the temperature sensor and the blower to solve the above problems.

본 발명의 다른 목적은 상기 식기세척 건조기를 효과적으로 제어하기 위한 제어방법을 제공하는 것이다.Another object of the present invention is to provide a control method for effectively controlling the dish washing dryer.

본 발명의 또다른 목적은 상기 식기세척 건조기를 효과적으로 제어하기 위한 다른 제어방법을 제공하는 것이다.Another object of the present invention is to provide another control method for effectively controlling the dish washing dryer.

상기 목적을 달성하기 위한 본 발명의 식기세척 건조기는, 세척조 내부의 온도를 상승시키기 위한 히터와, 상기 히터에 의한 열을 고르게 세척조 내부의 전달하기 위한 송풍모터와, 상기 세척조 내부온도를 측정하여 식기량을 판단하기 위한 온도센서를 포함하여 구성된 것을 특징으로 한다.The dishwashing dryer of the present invention for achieving the above object, a heater for raising the temperature inside the washing tank, a blower motor for transmitting the heat by the heater evenly in the washing tank, and measuring the internal temperature of the washing tank Characterized in that it comprises a temperature sensor for determining the skill.

상기 다른 목적을 달성하기 위한 본 발명의 식기세척 건조기의 제어방법은, 냉방송풍을 실시하여 세척조 내부온도를 일정하게 하는 과정과, 히터구동과 함께 일정시간동안 다시 송풍을 실시하여 세척조 내부의 온도를 상승시키는 과정과, 상기 세척조 내부의 일정시간당 설정온도 도달범위를 측정하여 세척환경을 조절하는 과정을 포함하여 구성된 것을 특징으로 한다.The control method of the dish washing dryer of the present invention for achieving the above another object is to perform a cold-broad air to make the internal temperature of the washing tank constant, and to blow the air for a predetermined time together with the heater driving to increase the temperature inside the washing tank. It is characterized in that it comprises a step of raising, and the process of adjusting the washing environment by measuring the set temperature reach per predetermined time inside the washing tank.

상기 또다른 목적을 달성하기 위한 본 발명의 식기세척 건조기의 다른 제어방법은, 냉방송풍을 실시하여 세척조 내부온도를 일정하게 한후 일차로 기준온도를 측정하는 과정과, 히터구동과 함께 일정시간동안 다시 송풍을 실시한 후 이차온도를 측정하는 과정과, 상기 기준온도와 이차 측정 온도차에 따라 세척환경을 조절하는 과정을 포함하여 구성된 것을 특징으로 한다.Another control method of the dish washing dryer of the present invention for achieving the above another object is to perform a cold-broad air to make the internal temperature of the washing tank constant, and then measure the reference temperature first, and the heater is driven again for a predetermined time. It characterized in that it comprises a step of measuring the secondary temperature after performing the blowing, and adjusting the washing environment in accordance with the difference between the reference temperature and the secondary measurement temperature.

이하 첨부도면을 참조하여 본 발명을 좀 더 상세하게 설명하고자 한다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

본 발명의 식기세척 건조기는, 제4도에 도시한 바와같이 종래와 동일하게 세척조(1) 내부에 다층의 식기선반(8)과, 하단에 세척수를 분사하기 위한 세척날개(6)와, 식기를 건조시키기 위한 내부히터(5)가 설치되어 있고, 상기 세척조 하단 외부에 설치되어 세척조 내부의 물을 분사하기 위한 세척모터(7)외에 식기세척 건조기 좌측면 상단에 세척조 내부의 온도를 검출하기 위한 온도센서(2)를 설치하고, 좌측면 하단에는 세척조 내부온도를 고르게 하기 위한 송풍모터(3)를 설치하며, 상기 세척조(1)와, 송풍모터(3) 사이에 히터(4)를 설치하여 이루어진다.As shown in FIG. 4, the dish washing dryer according to the present invention has a multi-layered dish shelf 8 inside the washing tank 1, washing wings 6 for spraying washing water at the bottom, and tableware as in the prior art. Inner heater (5) is installed to dry the, and is installed outside the bottom of the washing tank to detect the temperature of the inside of the washing tank on the upper left side of the dish washing dryer in addition to the washing motor (7) for spraying the water inside the washing tank. Install a temperature sensor (2), and at the lower left side is installed a blower motor (3) to equalize the internal temperature of the washing tank, by installing a heater (4) between the washing tank (1) and the blowing motor (3) Is done.

그리고 제어방법을 살펴보면, 먼저 제5도의 제1실시예의 경우 사용자가 식기선반(8)에 식기를 넣고 동작버튼을 누르면 일정시간(t1)동안 히터(4)를 끄고 송풍모터만 가동하여 세척조 내부의 온도를 일정하게 한후, 다시 일정시간(t2) 동안 히터(4)를 켜고 송풍모터를 가동하여 세척조 내부에 온풍을 불어넣은 후 온도센서를 통해 내부온도를 측정하여 설정된 값과 비교한다.In the first embodiment of FIG. 5, when the user puts the dishes in the dish shelf 8 and presses the operation button, the heater 4 is turned off for a predetermined time t1 and only the blower motor is operated to operate the inside of the washing tank. After the temperature is constant, the heater 4 is turned on again for a predetermined time (t2) and the blower motor is operated to blow hot air into the washing tank, and then the internal temperature is measured by a temperature sensor and compared with the set value.

이때 설정온도(T)는 T2,T1 순으로 높아지며, 상기 측정온도가 설정온도(T1) 보다 크면 상기 세척조 내부에 식기가 적어서 온도상승이 빠른 것으로 판단하여, 급수시간을 조절하여 설정온도 상에서 보다 급수량을 적게함과 동시에 세척시간을 줄이고, 상기 측정온도가 설정온도(T2)보다 크거나 같고 T1보다 작거나 같으면 식기량을 표준량으로 판단하여 설정된 급수량 및 세척시간에 의해 식기세척을 진행하며, 상기 측정온도가 설정온도(T2)보다 낮으면 식기량이 많아서 온도상승이 낮은 것으로 판단하여 급수량과 세척시간을 설정온도 상에서보다 증가시킨다.At this time, the set temperature (T) is increased in the order of T2, T1, and if the measured temperature is greater than the set temperature (T1), it is determined that the temperature rises quickly because there is little tableware inside the washing tank, the water supply time is adjusted to adjust the water supply time Reduce the washing time and reduce the washing time, and if the measuring temperature is greater than or equal to the set temperature (T2) and less than or equal to T1, the dish volume is determined as the standard quantity, and the dish washing is performed by the set water supply amount and the washing time. If the temperature is lower than the set temperature (T2) it is determined that the temperature rise is low due to the large amount of tableware to increase the water supply amount and washing time than the set temperature.

한편 제6도의 제2실시예에서는, 작동 후 일정시간동안 냉풍을 송풍한 후 세척조 내부의 일차온도를 측정하여 기준값(Th1)으로 기억시키고, 히터를 구동시키고 일정시간동안 송풍을 실시한 후 최종온도(Th2)를 측정하여 상기 기준값과 비교함으로써 그 차에 따라 식기량을 판별하여 급수량 및 세척시간을 제어한다.On the other hand, in the second embodiment of FIG. 6, after the cold air is blown for a predetermined time after the operation, the primary temperature in the washing tank is measured and stored as a reference value Th1, the heater is driven, and the air is blown for a predetermined time, and then the final temperature ( Th2) is measured and compared with the reference value to determine the amount of dishes according to the difference to control the amount of water and washing time.

이상에서와 같이 본 발명에 의하면, 작동과 동시에 식기량을 감지함으로써 물, 전력 및 시간의 낭비를 방지할 수 있으며, 식기량에 따라 세척조건을 변화시킴으로써 세척력을 향상시킬 수 있는 효과가 있다.As described above, according to the present invention, it is possible to prevent waste of water, power, and time by sensing the amount of dishes at the same time as the operation, and improve the washing power by changing the washing conditions according to the amount of dishes.

Claims (3)

세척조 내부의 온도를 상승시키기 위한 히터와, 상기 히터에 의한 열을 고르게 세척조 내부에 전달하기 위한 송풍모터와, 상기 세척조 내부온도를 측정하여 식기량을 판단하기 위한 온도센서를 포함하여 구성된 것을 특징으로 하는 식기세척 건조기.And a heater for raising the temperature inside the washing tank, a blower motor for evenly transferring heat from the heater to the inside of the washing tank, and a temperature sensor for determining the amount of dishes by measuring the temperature of the washing tank. Dishwashing dryer. 냉방송풍을 실시하여 세척조 내부온도를 일정하게 하는 과정과, 히터구동과 함께 일정시간동안 다시 송풍을 실시하여 세척조 내부의 온도를 상승시키는 과정과, 상기 세척조 내부의 일정시간당 설정온도 도달범위를 측정하여 세척환경을 조절하는 과정을 포함하여 구성된 것을 특징으로 하는 식기세척 건조기의 제어방법.The process of making the internal temperature of the washing tank constant by performing cold broadcasting wind, and the process of raising the temperature inside the washing tank by re-blowing for a predetermined time together with driving the heater, and measuring the set temperature reaching range per predetermined time inside the washing tank The control method of the dish washing dryer characterized in that it comprises a process of adjusting the washing environment. 냉방송풍을 실시하여 세척조 내부온도를 일정하게 한 후 일차로 기준온도를 측정하는 과정과, 히터구동과 함께 일정시간동안 다시 송풍을 실시한 후 이차온도를 측정하는 과정과, 상기 기준온도와 이차 측정온도차에 따라 세척환경을 조절하는 과정을 포함하여 구성된 것을 특징으로 하는 식기세척 건조기의 제어방법.The process of measuring the reference temperature first after the cooling air is carried out to make the internal temperature of the washing tank constant, and the process of measuring the secondary temperature after re-blowing for a predetermined time together with driving the heater, and the difference between the reference temperature and the secondary measurement temperature. The control method of the dish washing dryer, characterized in that configured to include the process of adjusting the washing environment.
KR1019950016382A 1995-06-20 1995-06-20 Drying device in washing machine for crockery KR960013870B1 (en)

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