Refrigerator and temperature sensor fixing method in the refrigerator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-001/00
F25B-049/00
F25D-025/00
출원번호
US-0746338
(2003-12-29)
우선권정보
KR-10-2003-0016577(2003-03-17)
발명자
/ 주소
Lee,Tae Hee
Kim,Kyung Sik
Kim,Yang Gyu
Kim,Se Young
Chun,Chan Ho
Lee,Youn Seok
출원인 / 주소
LG Electronics Inc.
대리인 / 주소
Birch, Stewart, Kolasch &
인용정보
피인용 횟수 :
4인용 특허 :
5
초록▼
A direct cooling type refrigerator capable of rapidly and accurately controlling the temperature thereof, reducing the ON/OFF time of its compressor, thereby preventing the temperature deviation of its storage compartment from increasing over a predetermined value. The refrigerator includes an outer
A direct cooling type refrigerator capable of rapidly and accurately controlling the temperature thereof, reducing the ON/OFF time of its compressor, thereby preventing the temperature deviation of its storage compartment from increasing over a predetermined value. The refrigerator includes an outer casing defining an appearance of the refrigerator, an inner casing arranged within the outer casing, and defined with a storage compartment, an insulator interposed between the outer casing and the inner casing, a compressor for compressing a refrigerant, an evaporator arranged to be in contact with the inner casing, and adapted to cool the inner casing in accordance with evaporation of a refrigerant passing therethrough, a temperature sensor provided with a surface contact area closely contacting the inner casing, and adapted to sense a temperature of the inner casing, and a control unit for controlling the compressor in accordance with the temperature sensed by the temperature sensor.
대표청구항▼
What is claimed is: 1. A direct cooling type refrigerator comprising: an outer casing; an inner casing arranged within the outer casing, and defining a storage compartment; an insulator interposed between the outer casing and the inner casing; a compressor for compressing a refrigerant; an evaporat
What is claimed is: 1. A direct cooling type refrigerator comprising: an outer casing; an inner casing arranged within the outer casing, and defining a storage compartment; an insulator interposed between the outer casing and the inner casing; a compressor for compressing a refrigerant; an evaporator in contact with the inner casing, and adapted to cool the inner casing in accordance with evaporation of the refrigerant passing therethrough; a temperature sensor for sensing a temperature of the inner casing, the temperature sensor including: a heat transfer member spaced apart from the evaporator, the heat transfer member having a substantially flat surface attached to the inner casing, and a thermistor in contact with the heat transfer member to sense the temperature of the inner case; and a control unit for controlling the compressor in accordance with the temperature sensed by the temperature sensor. 2. The direct cooling type refrigerator according to claim 1, wherein the thermistor is adapted to output a signal representing a temperature of the heat transfer member to the control unit. 3. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member is arranged between the inner casing and the insulator. 4. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member is made of a soft synthetic resin. 5. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member is made of a metal. 6. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member is attached to an outer surface of the inner casing. 7. The direct cooling type refrigerator according to claim 2, wherein the substantially flat surface extends in a longitudinal direction of the heat transfer member. 8. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member has a bar structure having opposite flat side surfaces, and curved upper and lower surfaces. 9. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member has a rectangular cross-sectional structure. 10. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member has a semicircular cross-sectional structure. 11. The direct cooling type refrigerator according to claim 2, wherein the heat transfer member is coated with an adhesive at the substantially flat surface. 12. The direct cooling type refrigerator according to claim 2, wherein the temperature sensor further includes a coating surrounding a contact area between the heat transfer member and the thermistor. 13. A direct cooling type refrigerator comprising: an outer casing defining an appearance of the refrigerator; an inner casing arranged within the outer casing, and defined with a storage compartment; an insulator interposed between the outer casing and the inner casing; a compressor for compressing a refrigerant; an evaporator arranged to be in contact with the inner casing, and adapted to cool the inner casing in accordance with evaporation of the refrigerant passing therethrough; a temperature sensor provided with a surface contact area closely contacting the inner casing, and adapted to sense a temperature of the inner casing, wherein the temperature sensor includes a heat transfer member attached to the inner casing, and provided with a surface contact area at at least one surface thereof, and a thermistor arranged to be in contact with a portion of the heat transfer member, and adapted to output a signal representing a temperature of the heat transfer member to the control unit, wherein the heat transfer member is made of a soft synthetic resin; and a control unit for controlling the compressor in accordance with the temperature sensed by the temperature sensor. 14. A direct cooling type refrigerator comprising: an outer casing defining an appearance of the refrigerator; an inner casing arranged within the outer casing, and defined with a storage compartment; an insulator interposed between the outer casing and the inner casing; a compressor for compressing a refrigerant; an evaporator arranged to be in contact with the inner casing, and adapted to cool the inner casing in accordance with evaporation of the refrigerant passing therethrough; a temperature sensor provided with a surface contact area closely contacting the inner casing, and adapted to sense a temperature of the inner casing, wherein the temperature sensor includes a heat transfer member attached to the inner casing, and provided with a surface contact area at at least one surface thereof, and a thermistor arranged to be in contact with a portion of the heat transfer member, and adapted to output a signal representing a temperature of the heat transfer member to the control unit, wherein the heat transfer member has a bar structure having opposite flat side surfaces, and curved upper and lower surfaces; and a control unit for controlling the compressor in accordance with the temperature sensed by the temperature sensor. 15. A direct cooling type refrigerator comprising: an outer casing defining an appearance of the refrigerator; an inner casing arranged within the outer casing, and defined with a storage compartment; an insulator interposed between the outer casing and the inner casing; a compressor for compressing a refrigerant; an evaporator arranged to be in contact with the inner casing, and adapted to cool the inner casing in accordance with evaporation of the refrigerant passing therethrough; a temperature sensor provided with a surface contact area closely contacting the inner casing, and adapted to sense a temperature of the inner casing, wherein the temperature sensor includes a heat transfer member attached to the inner casing, and provided with a surface contact area at at least one surface thereof, and a thermistor arranged to be in contact with a portion of the heat transfer member, and adapted to output a signal representing a temperature of the heat transfer member to the control unit, wherein the heat transfer member has a semicircular cross-sectional structure; and a control unit for controlling the compressor in accordance with the temperature sensed by the temperature sensor. 16. A direct cooling type refrigerator comprising: an outer casing defining an appearance of the refrigerator; an inner casing arranged within the outer casing, and defined with a storage compartment; an insulator interposed between the outer casing and the inner casing; a compressor for compressing a refrigerant; an evaporator arranged to be in contact with the inner casing, and adapted to cool the inner casing in accordance with evaporation of the refrigerant passing therethrough; a temperature sensor adapted to sense a temperature of the inner casing, wherein the temperature sensor includes a heat transfer member attached to the inner casing, said heat transfer member having a substantially flat surface at at least one surface thereof, and a thermistor arranged to be in contact with a portion of the heat transfer member, to sense the temperature of the inner case, wherein the heat transfer member is attached directly to the inner casing by an adhesive which is coated on the substantially flat surface of the heat transfer member; and a control unit for controlling the compressor in accordance with the temperature sensed by the temperature sensor.
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이 특허에 인용된 특허 (5)
Kim, Sang Bae; Choi, Young Seok; Kang, Byung Gyu, Device for controlling cooling air supply of refrigerator.
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