KR20020062447A - The method for sensing drying quantity - Google Patents

The method for sensing drying quantity Download PDF

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Publication number
KR20020062447A
KR20020062447A KR1020010003445A KR20010003445A KR20020062447A KR 20020062447 A KR20020062447 A KR 20020062447A KR 1020010003445 A KR1020010003445 A KR 1020010003445A KR 20010003445 A KR20010003445 A KR 20010003445A KR 20020062447 A KR20020062447 A KR 20020062447A
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South Korea
Prior art keywords
clothes
clothing
electrode sensor
amount
drum
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KR1020010003445A
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Korean (ko)
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KR100662769B1 (en
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이순조
김상두
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엘지전자주식회사
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Priority to KR1020010003445A priority Critical patent/KR100662769B1/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

PURPOSE: A method for sensing an amount of clothing to dry in a clothing drying machine is provided to simply determine the clothing amount by an electrode sensor without any additional components, thereby improving the operation efficiency of the drying machine. CONSTITUTION: In a method for sensing an amount of clothing to dry in a clothing drying machine including an electrode sensor for determining dryness of clothing by contacting the clothing when a drum is rotating, the amount of the clothing is determined by how many times a voltage value generated by the electrode sensor is changed when the clothing contacts the electrode sensor, wherein if the change frequency of the voltage value is proportional to the amount of the clothing.

Description

의류 건조기의 건조량 감지 방법{THE METHOD FOR SENSING DRYING QUANTITY}How to detect drying quantity of clothes dryer {THE METHOD FOR SENSING DRYING QUANTITY}

본 발명은 의류를 건조시키는 건조기에 관한 것으로서, 특히 전극 센서를 이용하여 건조시킬 의류량을 판단할 수 있도록 한 의류 건조기의 건조량 감지 방법에 관한 것이다.The present invention relates to a dryer for drying clothes, and more particularly, to a method for detecting a drying amount of a clothes dryer, by which an amount of clothes to be dried can be determined using an electrode sensor.

일반적으로 의류 건조기는 외기를 도입하여 의류를 건조시키는 배기식과, 내부 공기를 순환시키면서 습기를 제거하고 제거된 습기를 물방울 상태로 응축시켜 배출하면서 의류를 건조시키는 제습식이 있다.In general, a clothes dryer includes an exhaust type for drying clothes by introducing outside air, and a dehumidification method for drying clothes while removing moisture while circulating internal air and condensing the removed moisture in a droplet state.

도 1은 일반적인 배기식 의류 건조기가 도시된 내부 구성도이다.1 is a diagram illustrating an internal configuration of a general exhaust clothes dryer.

배기식 의류 건조기는 도 1을 참고하면 케이스(10) 내에 회전 가능하게 설치되어 내부에서 의류가 건조될 수 있도록 이루어진 드럼(20)과, 상기 드럼(20)과 벨트(25)로 연결되어 드럼(20)을 회전시키는 구동 모터(미도시 됨)와, 상기 드럼(20)의 후방인 흡입 덕트(30)의 입구부에 설치되어 흡입 공기를 가열시키는 히터(33)와, 상기 드럼(20)의 전방 하측인 배기 덕트(35) 내에 구비되어 드럼(20)내에서 의류를 건조시킨 공기를 강제 배출시키는 블로워(37)로 구성된다.Referring to FIG. 1, the exhaust clothes dryer is rotatably installed in the case 10, and the drum 20 is connected to the drum 20 and the belt 25 to dry the clothes therein. A driving motor (not shown) for rotating 20, a heater 33 installed at an inlet of the suction duct 30, which is rear of the drum 20, and heats suction air, and the drum 20 It is provided in the exhaust duct 35 which is a front lower side, and consists of the blower 37 which forcibly discharges the air which dried the clothes in the drum 20. As shown in FIG.

상기 케이스(10)의 전면에는 의류를 넣거나 뺄 수 있도록 도어(15)가 설치된다.The front of the case 10 is provided with a door 15 to put or remove the clothing.

상기 드럼(20)의 뒤쪽에는 상기 히터(33)를 통과하면서 가열된 외기가 흡입 덕트(30)를 통해 유입되도록 흡입구(21)가 형성되고, 앞쪽에는 상기 배기 덕트(35)의 입구부(36)가 연결되어 드럼(20) 내에서 의류를 건조한 공기를 배출할 수 있도록 되어 있다.A suction port 21 is formed at the rear of the drum 20 such that heated air is introduced through the suction duct 30 while passing through the heater 33, and an inlet 36 of the exhaust duct 35 is provided at the front. ) Is connected to the drum 20 to discharge the dry air clothes.

특히, 상기 배기 덕트(35)의 입구부(36)는 드럼(20)의 내측으로 경사지게 돌출되고, 이 돌출된 경사면에는 의류의 건조 상태를 감지할 수 있도록 전극 센서(40)가 설치된다.In particular, the inlet portion 36 of the exhaust duct 35 protrudes inclined inwardly of the drum 20, and the electrode sensor 40 is installed on the protruded inclined surface so as to detect a dry state of the clothes.

상기 전극 센서(Electrode Sensor; 40)는 두 개의 금속판이 나란히 위치되고, 각 금속판에 전선이 연결되어 회로를 구성함으로써 양측 금속판을 통해 흐르는 전압의 변화를 감지하여 건조 정도를 판단할 수 있도록 이루어진다.In the electrode sensor 40, two metal plates are positioned side by side, and wires are connected to each metal plate to form a circuit so that the degree of drying can be determined by detecting a change in voltage flowing through both metal plates.

이와 같은 전극 센서(40)는 습도가 많은 의류가 금속판에 접촉하게 되면 쇼트(short)상태가 되며, 의류가 건조되어 습도가 적은 의류가 금속판에 접촉하게 되면 전압값이 증가하게 되므로 이 전압값의 차이로 의류 건조 정도를 판단할 수 있도록 구성된다.The electrode sensor 40 is in a short state when the clothes having high humidity come into contact with the metal plate. When the clothes are dried and the clothes having low humidity come in contact with the metal plate, the electrode sensor 40 increases its voltage value. It is configured to determine the degree of drying of clothes by the difference.

그리고 상기 전극 센서(40)에서 감지된 의류 건조 정도는 건조기의 작동을 제어하는 제어 컴퓨터(미도시 됨)에 입력되어 의류 건조를 위한 각종 제어 작동에 사용된다.And the degree of clothes drying detected by the electrode sensor 40 is input to a control computer (not shown) that controls the operation of the dryer is used for various control operations for clothes drying.

상기와 같이 구성된 배기식 의류 건조기는 구동 모터의 작동에 따라 벨트(25)로 연결된 드럼(20)이 회전함과 동시에 블로워(37)가 회전하게 된다.In the exhaust type clothes dryer configured as described above, the blower 37 rotates at the same time as the drum 20 connected to the belt 25 rotates according to the operation of the drive motor.

상기 블로워(37)가 회전함에 따라 흡입 덕트(30) 내로 외기가 도입되고, 이 외기는 히터(33)를 통과하면서 가열되어 상기 드럼(20) 내로 유입된다. 이와 같이 드럼(20) 내로 유입되는 가열된 공기 즉, 열풍은 축축한 의류와 열교환되면서 의류를 건조시키게 되고, 의류를 건조시킨 열풍은 상기 배기 덕트(35)를 통해 케이스(10) 외부로 배출된다.As the blower 37 rotates, outside air is introduced into the suction duct 30, and the outside air is heated while passing through the heater 33 and introduced into the drum 20. As such, the heated air introduced into the drum 20, that is, the hot air, dries the clothes while exchanging heat with the damp clothes, and the hot air, which dries the clothes, is discharged to the outside of the case 10 through the exhaust duct 35.

특히, 상기와 같이 의류를 건조시키는 과정에서 상기 드럼(20)이 회전하게 되면 내부에서 건조되는 의류가 드럼(20) 내로 돌출된 전극 센서(40)에 부딪히게 되고, 이때 전극 센서(40)와 연결된 회로의 전압값이 변화됨으로써 의류의 건조 정도를 판단할 수 있게 된다.In particular, when the drum 20 is rotated in the process of drying the clothes as described above, the clothes dried therein hit the electrode sensor 40 protruding into the drum 20, wherein the electrode sensor 40 and By changing the voltage value of the connected circuit it is possible to determine the drying degree of the clothing.

도 2는 상기한 전극 센서를 이용한 건조도 감지 상태가 도시된 그래프이다.2 is a graph illustrating a dryness detection state using the electrode sensor.

도 2를 참조하면, 의류에 습도가 많은 초기에는 전극 센서(40)를 통해 감지된 전압값이 낮고, 의류의 건조가 진행될수록 전압값이 점차 높아진다. 이때, 상기 전극 센서(40)를 통해 감지된 건조 정도 즉, 전압값의 변화가 일정 수치(도 2에서는 5V)에 도달하게 되면 제어 컴퓨터에서 건조 완료 시점으로 판단하고 건조기의 작동을 중지시키게 된다.Referring to FIG. 2, in the initial stage of high humidity in clothes, the voltage value detected by the electrode sensor 40 is low, and as the drying of the clothes proceeds, the voltage value gradually increases. At this time, when the degree of drying sensed through the electrode sensor 40, that is, the change in the voltage value reaches a predetermined value (5V in FIG. 2), the control computer determines that the drying is completed and stops the operation of the dryer.

그러나, 상기한 바와 같은 배기식 의류 건조기를 포함한 종래 기술의 의류 건조기는 전극 센서(40)를 이용하여 건조 정도만 감지하므로 건조 시스템에서 건조할 의류량을 판단하기 위해서는 사용자가 의류량을 직접 선택하여 입력하거나 별도의 감지 기구를 설치하여 감지하여야 되는 문제점이 있다.However, the conventional clothes dryer including the exhaust type clothes dryer as described above detects only the degree of drying using the electrode sensor 40, so that the user directly selects and inputs the clothes amount to determine the amount of clothes to be dried in the drying system. Or there is a problem to be detected by installing a separate detection mechanism.

본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 의류의 건조 정도를 감지하는 전극 센서를 이용하여 건조할 의류량을 판단할 수 있도록 함으로써 구성 요소의 추가 없이 건조량을 용이하게 판단할 수 있도록 하는 의류 건조기의 건조량 감지 방법을 제공하는 데 목적이 있다.The present invention has been made to solve the above problems, it is possible to determine the amount of clothes to be dried by using an electrode sensor for detecting the degree of drying of clothes to facilitate the determination of the dry amount without the addition of components An object of the present invention is to provide a method for detecting a dry amount of a clothes dryer.

도 1은 일반적인 배기식 의류 건조기가 도시된 내부 구성도,1 is an internal configuration of a typical exhaust clothes dryer,

도 2는 종래 기술에서 전극 센서의 건조도 감지 그래프,2 is a dryness detection graph of the electrode sensor in the prior art,

도 3은 본 발명에 따른 전극 센서를 이용한 의류 건조기의 건조량 감지 방법이 도시된 그래프이다.3 is a graph illustrating a drying amount sensing method of a clothes dryer using an electrode sensor according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 케이스 15 : 도어10: case 15: door

20 : 드럼 25 : 벨트20: drum 25: belt

30 : 흡입 덕트 33 : 히터30: suction duct 33: heater

35 : 배기 덕트 37 : 블로워35: exhaust duct 37: blower

40 : 전극 센서40: electrode sensor

상기한 과제를 실현하기 위한 본 발명의 의류 건조기의 건조량 감지 방법은, 드럼의 내측에 위치되어 드럼이 회전될 때 건조할 의류가 접촉되면서 건조 정도를 감지하는 전극 센서가 구비된 의류 건조기에 있어서, 상기 드럼이 회전되면서 드럼 내의 의류가 상기 전극 센서에 접촉될 때, 상기 전극 센서를 통해 발생되는 전압값의 변화 횟수에 따라 건조할 의류량을 판단하는 것을 특징으로 하여 가능하게 된다.In the drying amount detection method of the clothes dryer of the present invention for realizing the above object, in the clothes dryer provided with an electrode sensor which is located inside the drum and detects the degree of drying while the clothes to be dried when the drum is rotated, When the drum is rotated and the clothing in the drum contacts the electrode sensor, it is possible to determine the amount of clothes to be dried according to the number of changes in the voltage value generated through the electrode sensor.

이하, 첨부된 도면을 참조하여 본 발명의 실시 예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 3은 본 발명에 따른 전극 센서를 이용한 의류 건조기의 건조량 감지 방법이 도시된 그래프이다.3 is a graph illustrating a drying amount sensing method of a clothes dryer using an electrode sensor according to the present invention.

본 발명에 따른 의류 건조기의 건조량 감지 방법은 도 1을 참조하면, 드럼(20)의 내측으로 돌출되게 설치된 전극 센서(40)를 이용하여 건조할 의류량을 감지한다.In the drying amount sensing method of the clothes dryer according to the present invention, referring to FIG. 1, the amount of clothes to be dried is detected by using the electrode sensor 40 protruding into the drum 20.

즉, 드럼(20) 내에서 건조되는 의류가 전극 센서(40)의 양측 금속판을 통해 흐르는 전압의 변화를 감지하여 건조 정도를 판단할 수 있도록 구성되어 있는 바, 상기 드럼(20)이 회전되면서 드럼(20) 내의 의류가 상기 전극 센서(40)에 접촉될 때, 상기 전극 센서(40)에 의류가 닿는 횟수인 전압값의 변화 횟수에 따라 건조할 의류량을 판단하게 된다.That is, the clothing dried in the drum 20 is configured to detect a change in voltage flowing through the metal plates on both sides of the electrode sensor 40 so as to determine the degree of drying. As the drum 20 rotates, the drum is rotated. When the clothing in 20 is in contact with the electrode sensor 40, the amount of clothing to be dried is determined according to the number of changes in the voltage value, which is the number of times the clothing touches the electrode sensor 40.

이와 같은 상기 전극 센서(40)는 도 3에 도시된 바와 같이 건조할 의류가 접촉되면 전압값의 변화에 따라 펄스(pulse)가 반복되어 발생되는 바, 단위 시간당 전압값의 변화, 즉 펄스 수가 많으면 건조할 의류량이 많은 것으로 판단하고, 단위 시간당 펄스 수가 작으면 건조할 의류량이 작은 것으로 판단하게 된다.As shown in FIG. 3, when the clothing to be dried is in contact with the electrode sensor 40, a pulse is repeatedly generated according to the change of the voltage value. It is determined that the amount of clothing to be dried is large, and when the number of pulses per unit time is small, it is determined that the amount of clothing to be dried is small.

물론, 상기와 같이 펄스 수에 따른 건조량 판단은 건조할 의류량을 드럼(20) 내에 투입하여 반복적인 실험 과정을 거쳐 설정될 수 있다.Of course, the drying amount determination according to the number of pulses as described above may be set through an iterative experiment process by putting the amount of clothing to be dried in the drum (20).

또한, 상기한 전극 센서(40)는 종래 기술과 같이 습도가 많은 의류가 금속판에 접촉하게 되면 쇼트(short)상태가 되고, 습도가 적은 의류가 금속판에 접촉하게 되면 전압값이 증가하는 전압값의 차이로 의류 건조 정도도 판단하게 된다.In addition, the electrode sensor 40 is a short state when the clothes with high humidity contact the metal plate as in the prior art, and when the clothes with low humidity contact the metal plate, the voltage value increases. The difference will also determine how dry the clothing is.

따라서, 건조기의 드럼(20) 내에 건조할 의류를 투입한 다음 건조기를 작동시키면 구동 모터의 작동에 따라 드럼(20)이 회전하게 된다.Therefore, when clothes to be dried are put into the drum 20 of the dryer and the dryer is operated, the drum 20 rotates according to the operation of the driving motor.

여기서, 드럼(20) 내에 투입된 의류가 전극 센서(40)에 접촉되고, 이때 발생하는 전압값의 변화 횟수인 단위 시간당 펄스 수를 측정하여 건조할 의류량을 판단하게 된다.Here, the clothes put into the drum 20 are in contact with the electrode sensor 40, and the number of clothes to be dried is determined by measuring the number of pulses per unit time, which is the number of changes in the voltage value generated at this time.

이와 같이 하여 건조할 의류량을 판단하여 건조 진행 시간, 드럼(20)의 회전 속도, 가열 공기의 온도 등을 결정하고, 이 결정된 값에 의해 의류 건조 작동을 시작하게 된다.In this way, the amount of clothes to be dried is determined to determine a drying progress time, a rotation speed of the drum 20, a temperature of heating air, and the like, and the clothes drying operation is started based on the determined value.

즉, 상기와 같이 전극 센서(40)를 이용하여 건조량을 감지함에 따라 건조 시간의 예측이 가능하여 건조 작동을 완료할 때까지 남은 시간을 알려줄 수 있고, 건조량에 따라 드럼(20) 및 블로워(37)의 회전 속도를 빠르게 하거나 느리게 구동하여 건조량에 따른 적절한 운전을 실시할 수 있게 된다.That is, by detecting the amount of drying using the electrode sensor 40 as described above, it is possible to predict the drying time to inform the remaining time until the drying operation, the drum 20 and the blower (37) according to the amount of drying By driving the speed of rotation or slow the speed of) can be appropriately operated according to the drying amount.

한편, 상기와 같이 의류 건조 작동이 시작되면 상기 전극 센서(40) 통해 의류의 건조 정도도 감지한다.On the other hand, when the clothing drying operation starts as described above, the degree of drying of the clothing is also sensed through the electrode sensor 40.

상기와 같이 구성되고 작용되는 본 발명의 의류 건조기의 건조량 감지 방법은 의류의 건조 정도를 감지하는 전극 센서를 이용하여 건조할 의류량을 판단하기 때문에 구성 요소의 추가 없이 건조량을 용이하게 판단하여 건조기의 작동 효율을 높일 수 있는 이점을 제공하게 된다.The drying amount detection method of the clothes dryer of the present invention configured and operated as described above determines the amount of clothes to be dried using an electrode sensor for detecting the degree of drying of the clothes, thereby easily determining the amount of drying without the addition of components. It provides the advantage of increasing the operating efficiency.

Claims (2)

드럼의 내측에 위치되어 드럼이 회전될 때 건조할 의류가 접촉되면서 건조 정도를 감지하는 전극 센서가 구비된 의류 건조기에 있어서,In the clothes dryer having an electrode sensor which is located inside the drum and detects the degree of drying while the clothes to be dried when the drum is rotated, 상기 드럼이 회전되면서 드럼 내의 의류가 상기 전극 센서에 접촉될 때, 상기 전극 센서를 통해 발생되는 전압값의 변화 횟수에 따라 건조할 의류량을 판단하는 것을 특징으로 하는 의류 건조기의 건조량 감지 방법.When the clothes in the drum is in contact with the electrode sensor while the drum is rotated, determining the amount of clothes to be dried according to the number of changes in the voltage value generated through the electrode sensor. 제 1 항에 있어서,The method of claim 1, 상기 전극 센서에서 발생되는 단위 시간당 전압값의 변화가 많으면 건조할 의류량이 많은 것으로 판단하고, 단위 시간당 전압값의 변화가 작으면 건조할 의류량이 작은 것으로 판단하는 것을 특징으로 하는 의류 건조기의 건조량 감지 방법.When the change in the voltage value per unit time generated by the electrode sensor is large, it is determined that the amount of clothes to be dried is large, and when the change in the voltage value per unit time is small, the amount of clothes to be dried is determined to be small. .
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100565244B1 (en) * 2004-06-02 2006-03-30 엘지전자 주식회사 Drying load quantity distinction method and apparatus for clothes dryer
KR101308473B1 (en) * 2007-11-05 2013-09-12 동부대우전자 주식회사 Dry control method for dryer
KR20160065225A (en) * 2014-11-28 2016-06-08 삼성전자주식회사 Dryer and method for controlling the same
CN111279029A (en) * 2017-10-25 2020-06-12 Bsh家用电器有限公司 Method for determining the properties of laundry in a laundry dryer and laundry dryer

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KR20230102608A (en) * 2021-12-30 2023-07-07 삼성전자주식회사 Clothes dryer and method for controlling the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100565244B1 (en) * 2004-06-02 2006-03-30 엘지전자 주식회사 Drying load quantity distinction method and apparatus for clothes dryer
KR101308473B1 (en) * 2007-11-05 2013-09-12 동부대우전자 주식회사 Dry control method for dryer
KR20160065225A (en) * 2014-11-28 2016-06-08 삼성전자주식회사 Dryer and method for controlling the same
CN111279029A (en) * 2017-10-25 2020-06-12 Bsh家用电器有限公司 Method for determining the properties of laundry in a laundry dryer and laundry dryer
CN111279029B (en) * 2017-10-25 2022-07-19 Bsh家用电器有限公司 Method for determining the properties of laundry in a laundry dryer and laundry dryer

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