KR20100085688A - An electrolysis apparatus and refrigerator having the same - Google Patents

An electrolysis apparatus and refrigerator having the same Download PDF

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Publication number
KR20100085688A
KR20100085688A KR1020090005105A KR20090005105A KR20100085688A KR 20100085688 A KR20100085688 A KR 20100085688A KR 1020090005105 A KR1020090005105 A KR 1020090005105A KR 20090005105 A KR20090005105 A KR 20090005105A KR 20100085688 A KR20100085688 A KR 20100085688A
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South Korea
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electrode plate
electrode
electrolysis device
refrigerator
water
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KR1020090005105A
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Korean (ko)
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김지용
조한욱
이상훈
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삼성전자주식회사
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Priority to KR1020090005105A priority Critical patent/KR20100085688A/en
Publication of KR20100085688A publication Critical patent/KR20100085688A/en

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a coating
    • C02F2001/46142—Catalytic coating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46152—Electrodes characterised by the shape or form

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

PURPOSE: An electrolysis device and a refrigerator including the same are provided to improve high efficiency of electrode structure and to sterilize and deodorize the water with an electrode plate and a power applying part. CONSTITUTION: An electrolysis device includes a case forming a channel for water and an electrode plate(10) installed at the inside of the case. The electrode plate forms honeycomb structure by irregularly entangling an electrode wire of metallic. The electrolysis device further includes a power supply device supplying electricity to the electrode plate and a power applying part(18) connected to the power supply device. The electrode plate is formed with a rectangular shape. The electrode plate is made of titanium.

Description

전기분해장치 및 이를 구비한 냉장고{An Electrolysis Apparatus And Refrigerator Having The Same}Electrolysis Apparatus And Refrigerator Having The Same}

본 발명은 전기분해장치 및 이를 구비한 냉장고에 관한 것으로, 더욱 상세하게는 물을 전기분해하는 효율이 향상된 전극판을 가지는 전기분해장치 및 이를 구비한 냉장고에 관한 것이다.The present invention relates to an electrolysis device and a refrigerator having the same, and more particularly, to an electrolysis device having an electrode plate having improved efficiency of electrolyzing water and a refrigerator having the same.

일반적으로, 전기분해장치는 물을 살균 및 탈취하기 위해 많이 사용되며, 물이 유동하는 유로를 형성하는 케이스 내부에 음극과 양극을 형성하는 한 쌍의 전극판을 설치하고, 각 전극판에 전기를 공급하여 물을 전기분해한다.In general, an electrolysis device is widely used to sterilize and deodorize water, and installs a pair of electrode plates forming a cathode and an anode in a case forming a flow path through which water flows, and supplies electricity to each electrode plate. Supply to electrolyze the water.

본 발명의 일측면은 물을 전기분해하는 효율이 향상된 전극판을 가지는 전기분해장치 및 이를 구비한 냉장고를 제공한다.One aspect of the present invention provides an electrolysis device having an electrode plate having an improved efficiency of electrolyzing water, and a refrigerator having the same.

이를 위해 본 발명의 일실시예에 따른 전기분해장치는 물이 유동하는 유로를 형성하는 케이스와, 상기 케이스 내부에 설치되는 전극판을 포함하는 전기분해장치에 있어서, 상기 전극판은 금속성의 전극선이 불규칙하게 얽혀 입체적인 벌집구조를 형성하는 것을 특징으로 한다.To this end, the electrolysis device according to an embodiment of the present invention is an electrolysis device including a case forming a flow path through which water flows, and an electrode plate installed inside the case, wherein the electrode plate is formed of a metallic electrode wire. It is characterized in that it is intertwined irregularly to form a three-dimensional honeycomb structure.

또한, 상기 구성에 있어서, 상기 전극판에 전기를 공급하는 전원공급장치를 더 포함하고, 상기 전극판은 상기 전극판의 일부분이 압축되어 상기 전원공급장치와 연결되는 전원인가부를 구비하는 것을 특징으로 한다.In addition, in the above configuration, further comprising a power supply for supplying electricity to the electrode plate, the electrode plate is characterized in that a portion of the electrode plate is provided with a power applying unit connected to the power supply is compressed. do.

또한, 상기 구성에 있어서, 상기 전극판은 육면체 형상인 것을 특징으로 한다.In the above configuration, the electrode plate is characterized in that the cube shape.

또한, 상기 구성에 있어서, 상기 전극판은 티타늄으로 제작되는 것을 특징으로 한다.In the above configuration, the electrode plate is characterized in that it is made of titanium.

또한, 상기 구성에 있어서, 상기 전극판의 표면에 백금이 도금되는 것을 특징으로 한다.In the above configuration, platinum is plated on the surface of the electrode plate.

또 본 발명의 일실시예에 따른 냉장고는 급수유로와, 상기 급수유로 상에 설치된 전기분해장치와, 상기 전기분해장치 내부에 설치되는 전극판을 포함하는 냉장고에 있어서, 상기 전극판은 금속성의 전극선이 불규칙하게 얽혀 입체적인 벌집구조를 형성하는 것을 특징으로 한다.In addition, the refrigerator according to the embodiment of the present invention includes a water supply passage, a refrigerator including an electrolysis device installed on the water supply passage, and an electrode plate installed inside the electrolysis device, wherein the electrode plate is a metallic electrode wire. This irregularly entangled to form a three-dimensional honeycomb structure.

이하에서는 본 발명에 따른 바람직한 일실시예를 첨부도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, a preferred embodiment according to the present invention will be described in detail.

도 1은 본 발명의 일실시예에 따른 전기분해장치를 구비한 냉장고의 개략적인 구성을 나타낸 구성도이다.1 is a block diagram showing a schematic configuration of a refrigerator having an electrolysis device according to an embodiment of the present invention.

본 발명의 일실시예에 따른 전기분해장치(2)를 구비한 냉장고(1)는 급수원(3)과, 냉장고(1) 내부에 마련된 제빙기(4) 및 디스펜서(5)와, 급수원(3)과 제빙기(4) 및 디스펜서(5)를 연결하여 급수유로를 형성하는 급수관(6)과, 냉장고(1) 내부의 급수유로 상에 설치되는 전기분해장치(2)를 포함하여 구성된다.A refrigerator 1 having an electrolysis device 2 according to an embodiment of the present invention includes a water supply source 3, an ice maker 4 and a dispenser 5 provided inside the refrigerator 1, and a water supply source ( 3) and a water supply pipe 6 for connecting the ice maker 4 and the dispenser 5 to form a water supply passage, and an electrolysis device 2 installed on the water supply passage inside the refrigerator 1.

이에 따라 냉장고(1)의 제빙기(4) 및 디스펜서(5)가 작동하면 급수관(6)으로 연결된 급수원(3)에서 물이 공급되고, 급수관(6)을 통해 냉장고(1) 내부로 유입된 물은 전기분해장치(2)를 거쳐 제빙기(4) 및 디스펜서(5)로 공급된다.Accordingly, when the ice maker 4 and the dispenser 5 of the refrigerator 1 operate, water is supplied from the water supply source 3 connected to the water supply pipe 6, and introduced into the refrigerator 1 through the water supply pipe 6. Water is supplied to the ice maker 4 and the dispenser 5 via the electrolysis device 2.

전기분해장치(2)는 제빙기(4) 및 디스펜서(5)로 공급되는 물을 전기분해하여 살균 및 탈취하기 위한 장치로서, 급수관(6)과 연결되어 물이 유동하는 유로를 형성하는 케이스(2a)와 케이스(2a) 내부에 설치되는 전극판(10)으로 구성된다.The electrolysis device 2 is an apparatus for sterilizing and deodorizing the water supplied to the ice maker 4 and the dispenser 5, and is a case 2a connected to the water supply pipe 6 to form a flow path through which water flows. ) And an electrode plate 10 installed inside the case 2a.

도 2는 도 1에 도시된 전기분해장치의 전극판의 구성을 나타낸 단면도이고, 도 3은 도 1에 도시된 전기분해장치의 전극판의 구성을 나타낸 사시도이고, 도 4는 도 3에 도시된 "A"부분을 확대하여 나타낸 확대도이다.2 is a cross-sectional view showing the configuration of the electrode plate of the electrolysis device shown in FIG. 1, FIG. 3 is a perspective view showing the structure of the electrode plate of the electrolysis device shown in FIG. 1, FIG. 4 is shown in FIG. An enlarged view showing an enlarged portion "A".

도 2 내지 도 4에 도시된 바와 같이, 전극판(10)은 음극판(11)과 양극판(12)으로 나누어지고, 음극판(11)과 양극판(12)은 케이스(2a) 내부에 상호 이격되어 설 치된다. 그리고, 케이스(2a)의 외부 일측에는 전원을 공급하기 위한 전원공급장치(13)가 마련되고, 전기분해장치(2)의 음극판(11)과 양극판(12)은 전원을 공급하는 전원공급장치(13)에 연결되어 있다.2 to 4, the electrode plate 10 is divided into a negative electrode plate 11 and a positive electrode plate 12, and the negative electrode plate 11 and the positive electrode plate 12 are spaced apart from each other inside the case 2a. Is done. In addition, a power supply device 13 for supplying power is provided at an external side of the case 2a, and the negative electrode plate 11 and the positive electrode plate 12 of the electrolysis device 2 are provided with a power supply device for supplying power ( 13).

전극판(10)은 육면체 형상으로 제작된다. 그리고, 전극판(10)을 이루는 전극선(14)은 여러 방향으로 불규칙하게 분기되고, 분기된 전극선(14)은 서로 인접한 전극선(14)끼리 적어도 한군데 이상의 연결점(15)을 통해 연결되어 전극선(14) 사이에 구멍(16)을 형성한다. 즉, 전극판(10)은 불규칙한 형태로 분기된 전극선(14)이 서로 연결되어 불균일한 다수의 구멍(16)을 형성하는 입체적인 벌집구조를 이루게 된다. 그리고, 전극판(10)은 음극판(11)과 양극판(12)으로 구성되는데, 음극판(11)과 양극판(12)은 공급되는 전기의 극성만 다를 뿐 형태나 구조가 서로 동일하다.The electrode plate 10 is manufactured in the shape of a cube. In addition, the electrode lines 14 constituting the electrode plate 10 are irregularly branched in various directions, and the branched electrode lines 14 are connected to each other by the at least one connection point 15 between the adjacent electrode lines 14 and the electrode line 14. Holes 16 are formed between the holes. That is, the electrode plate 10 forms a three-dimensional honeycomb structure in which the branched electrode lines 14 are connected to each other to form a plurality of non-uniform holes 16. In addition, the electrode plate 10 is composed of a negative electrode plate 11 and a positive electrode plate 12, the negative electrode plate 11 and the positive electrode plate 12 is the same in shape and structure except that only the polarity of the supplied electricity is different.

전극판(10)은 티타늄으로 만들어지며, 본 발명의 일실시예에 따른 전기분해장치(2)는 냉장고(1)에 적용되어 음용수에 이용되는 것이므로 티타늄으로 이루어진 전극판(10)의 표면에 백금이 도금된다.Electrode plate 10 is made of titanium, electrolysis device 2 according to an embodiment of the present invention is applied to the refrigerator 1 is used for drinking water, platinum on the surface of the electrode plate 10 made of titanium Is plated.

전극판(10)의 일측에는 전극판(10) 자체의 일부분을 압축하여 형성된 전원인가부(18)가 마련된다. 전원인가부(18)는 육면체 형상의 전극판(10) 중에서 일부분이 압축되어 전극판(10)의 측면으로 돌출된 돌기 형태를 이루고 있다. 그리고, 전원인가부(18)에는 전도성 물질로 제작된 연결캡(19)이 압입고정되며, 전원공급장치(13)의 전원선(20)은 연결캡(19)에 연결된다.One side of the electrode plate 10 is provided with a power applying unit 18 formed by compressing a portion of the electrode plate 10 itself. A part of the hexahedral electrode plate 10 is compressed to form a protrusion protruding toward the side of the electrode plate 10. In addition, the power supply unit 18 is press-fit and fixed to the connection cap 19 made of a conductive material, the power supply line 20 of the power supply device 13 is connected to the connection cap 19.

일반적으로, 전기분해장치(2)는 전극판(10)에 전원을 공급하여 전압을 걸어 주면 처음에는 전극판(10) 사이에 전계가 발생하지만, 전압을 계속 상승시키면 전극판(10) 자체에서 방전이 발생하여 물을 전기분해한다. 그리고, 전극선(14)의 끝단(17) 지점 및 전극선(14)끼리의 연결점(15)은 전기적 에너지가 높아서 이러한 방전현상이 더욱 잘 일어난다.In general, the electrolysis device 2 supplies electric power to the electrode plate 10 to apply a voltage, and at first, an electric field is generated between the electrode plates 10. A discharge occurs to electrolyze the water. In addition, since the electric energy is high at the end 17 point of the electrode line 14 and the connection point 15 between the electrode lines 14, such a discharge phenomenon is more likely to occur.

상술한 바와 같이 본 발명의 일실시예에 따른 전기분해장치(2)의 전극판(10)은 불규칙한 형태로 분기된 전극선(14)이 서로 얽혀서 입체적인 벌집구조를 형성한다. 전극판(10)을 입체적인 벌집구조로 형성하게 되면, 다른 전극판(10) 구조에 비해 전기적 에너지가 높아지는 전극선(14)의 끝단(17) 지점 및 전극선(14)끼리의 연결점(15)이 많이 생길 뿐만 아니라 물과 전극판(10)이 접촉하는 표면적도 증가하여 전기분해효율이 높아지게 되므로, 전기분해장치(2)의 살균 및 탈취 성능이 향상되는 효과를 발휘한다.As described above, the electrode plate 10 of the electrolysis device 2 according to the exemplary embodiment of the present invention forms a three-dimensional honeycomb structure by entangled electrode lines 14 irregularly intertwined with each other. When the electrode plate 10 is formed in a three-dimensional honeycomb structure, the end 17 points of the electrode lines 14 and the connection points 15 between the electrode lines 14 are increased, as compared with other electrode plate 10 structures. In addition to the increase in the surface area in contact with the water and the electrode plate 10 also increases the electrolytic efficiency, the sterilization and deodorizing performance of the electrolytic apparatus 2 is improved.

도 5는 본 발명의 일실시예에 따른 전기분해장치의 전극판을 제조하는 방법을 나타낸 흐름도이다.5 is a flowchart illustrating a method of manufacturing an electrode plate of an electrolytic apparatus according to an embodiment of the present invention.

도 5를 참조하여 전극판(10)을 제조하는 방법에 대해 설명하면, 우선 제조할 전극판(10)과 크기가 동일한 육면체의 폴리우레탄에 용융된 티타늄을 코팅한다.(S100) 폴리우레탄은 입체적인 벌집구조를 이루고 있어서, 용융된 티타늄이 그 위에 코팅되어 전극판(10)의 구조를 갖추도록 하는 뼈대와 같은 역할을 한다.A method of manufacturing the electrode plate 10 will be described with reference to FIG. 5. First, molten titanium is coated on a polyurethane of a cube having the same size as the electrode plate 10 to be manufactured. In the honeycomb structure, the molten titanium is coated thereon and serves as a skeleton to form the structure of the electrode plate 10.

폴리우레탄에 코팅된 티타늄이 경화된 후에 경화된 티타늄을 적정온도로 가열하면 티타늄보다 연소점이 낮은 폴리우레탄은 제거되고 전극판(10)으로 쓰이게 될 티타늄만 남게 된다.(S200)After the titanium coated on the polyurethane is cured, when the cured titanium is heated to an appropriate temperature, the polyurethane having a lower combustion point than titanium is removed and only titanium, which will be used as the electrode plate 10, remains.

위와 같이 형성된 전극판(10)의 측면의 일부분을 압축하여 전원인가부(18)를 형성하고(S300), 전극판(10)의 표면에 백금을 도금하면 전극판(10)의 제조가 완료된다.(S400)Compressing a portion of the side of the electrode plate 10 formed as described above to form a power supply unit 18 (S300), if the plated platinum on the surface of the electrode plate 10 is completed manufacturing of the electrode plate 10. (S400)

본 발명의 일실시예에서는 입체적인 벌집구조로 형성된 전극판(10)을 가지는 전기분해장치(2)가 냉장고(1)에 적용된 구성에 관하여 설명하였으나, 에어컨, 정수기 등 살균 및 탈취를 위해 물을 처리하는 모든 제품에 동일하게 적용할 수 있다.In the exemplary embodiment of the present invention, the electrolysis device 2 having the electrode plate 10 having a three-dimensional honeycomb structure has been described for the configuration applied to the refrigerator 1, but the water is treated for sterilization and deodorization such as an air conditioner and a water purifier. The same applies to all products.

도 1은 본 발명의 일실시예에 따른 전기분해장치를 구비한 냉장고의 개략적인 구성을 나타낸 구성도이다.1 is a block diagram showing a schematic configuration of a refrigerator having an electrolysis device according to an embodiment of the present invention.

도 2는 도 1에 도시된 전기분해장치의 전극판의 구성을 나타낸 단면도이다.2 is a cross-sectional view showing the configuration of an electrode plate of the electrolytic apparatus shown in FIG.

도 3은 도 1에 도시된 전기분해장치의 전극판의 구성을 나타낸 사시도이다.3 is a perspective view showing the configuration of an electrode plate of the electrolytic apparatus shown in FIG.

도 4는 도 3에 도시된 "A"부분을 확대하여 나타낸 확대도이다.4 is an enlarged view illustrating an enlarged portion "A" shown in FIG. 3.

도 5는 본 발명의 일실시예에 따른 전기분해장치의 전극판을 제조하는 방법을 나타낸 흐름도이다.5 is a flowchart illustrating a method of manufacturing an electrode plate of an electrolytic apparatus according to an embodiment of the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

2: 전기분해장치, 10: 전극판,2: electrolysis device, 10: electrode plate,

11: 음극판, 12: 양극판,11: negative plate, 12: positive plate,

13: 전원공급장치, 14: 전극선,13: power supply, 14: electrode wire,

15: 연결점, 16: 구멍,15: connection point, 16: hole,

17: 끝단, 18: 전원인가부17: end, 18: power on

Claims (6)

물이 유동하는 유로를 형성하는 케이스와, 상기 케이스 내부에 설치되는 전극판을 포함하는 전기분해장치에 있어서,An electrolysis device comprising a case forming a flow path through which water flows, and an electrode plate provided inside the case. 상기 전극판은 금속성의 전극선이 불규칙하게 얽혀 입체적인 벌집구조를 형성하는 것을 특징으로 하는 전기분해장치.The electrode plate is an electrolysis device, characterized in that the metallic electrode wire is irregularly entangled to form a three-dimensional honeycomb structure. 제 1항에 있어서,The method of claim 1, 상기 전극판에 전기를 공급하는 전원공급장치를 더 포함하고,Further comprising a power supply for supplying electricity to the electrode plate, 상기 전극판은 상기 전극판의 일부분이 압축되어 상기 전원공급장치와 연결되는 전원인가부를 구비하는 것을 특징으로 하는 전기분해장치.The electrode plate is characterized in that a portion of the electrode plate is compressed, characterized in that it comprises a power applying unit connected to the power supply device. 제 2항에 있어서,3. The method of claim 2, 상기 전극판은 육면체 형상인 것을 특징으로 하는 전기분해장치.The electrode plate is characterized in that the hexahedral electrolysis device. 제 1항에 있어서,The method of claim 1, 상기 전극판은 티타늄으로 제작되는 것을 특징으로 하는 전기분해장치.The electrode plate is electrolytic device, characterized in that made of titanium. 제 4항에 있어서,The method of claim 4, wherein 상기 전극판의 표면에 백금이 도금되는 것을 특징으로 하는 전기분해장치.Electroplating apparatus characterized in that the platinum is plated on the surface of the electrode plate. 급수유로와, 상기 급수유로 상에 설치된 전기분해장치와, 상기 전기분해장치 내부에 설치되는 전극판을 포함하는 냉장고에 있어서,A refrigerator comprising a water supply passage, an electrolysis apparatus provided on the water supply passage, and an electrode plate provided inside the electrolysis apparatus, 상기 전극판은 금속성의 전극선이 불규칙하게 얽혀 입체적인 벌집구조를 형성하는 것을 특징으로 하는 냉장고.The electrode plate is a refrigerator, characterized in that to form a three-dimensional honeycomb structure in which the metallic electrode wires are entangled irregularly.
KR1020090005105A 2009-01-21 2009-01-21 An electrolysis apparatus and refrigerator having the same KR20100085688A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10107546B2 (en) 2015-03-31 2018-10-23 Samsung Electronics Co., Ltd. Refrigerator and method of controlling the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10107546B2 (en) 2015-03-31 2018-10-23 Samsung Electronics Co., Ltd. Refrigerator and method of controlling the same
US10544985B2 (en) 2015-03-31 2020-01-28 Samsung Electronics Co., Ltd. Refrigerator and method of controlling the same

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