KR20040095032A - Damper installation structure - Google Patents

Damper installation structure Download PDF

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Publication number
KR20040095032A
KR20040095032A KR1020030028629A KR20030028629A KR20040095032A KR 20040095032 A KR20040095032 A KR 20040095032A KR 1020030028629 A KR1020030028629 A KR 1020030028629A KR 20030028629 A KR20030028629 A KR 20030028629A KR 20040095032 A KR20040095032 A KR 20040095032A
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KR
South Korea
Prior art keywords
damper
cold air
installation structure
baffle
insertion groove
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Application number
KR1020030028629A
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Korean (ko)
Inventor
하성욱
Original Assignee
엘지전자 주식회사
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Priority to KR1020030028629A priority Critical patent/KR20040095032A/en
Publication of KR20040095032A publication Critical patent/KR20040095032A/en

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Classifications

    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0653—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the mullion

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

PURPOSE: A damper installation structure is provided to simply reduce noise produced from a driving motor of a damper without a change of design. CONSTITUTION: A damper has a damper body(12), a driving motor(20), and a baffle(30) combined to the damper body in an opening and shutting state. The baffle opens and shuts the flowing of chill by opening and shutting by the driving motor. A damper installation structure is installed to a flow passage of chill. The damper installation structure has an insertion groove in which the damper is inserted and supported. Projected ribs(42), on which the damper is supported in a contact state, are oppositely formed to the inner periphery of the insertion groove.

Description

댐퍼 설치 구조{DAMPER INSTALLATION STRUCTURE}Damper installation structure {DAMPER INSTALLATION STRUCTURE}

본 발명은 댐퍼 설치 구조에 관한 것으로서, 댐퍼의 구동모터로부터 발생하는 모터 소음을 저감시키기 위한 댐퍼 설치 구조에 관한 것이다.The present invention relates to a damper installation structure, and relates to a damper installation structure for reducing motor noise generated from a drive motor of a damper.

냉장고는, 증발기 부근에서 생성된 냉기를 냉장실 및 냉동실로 공급하는 것에 의하여 소정의 냉동 및 냉장 상태를 유지하게 된다. 즉, 냉동실 및 냉장실의 내부 온도가 설정된 온도보다 상승하면 냉기를 공급하고, 설정된 온도 이하로 떨어지면 냉기의 공급을 중단하게 한다. 이러한 냉기의 단속을 위하여 댐퍼가 사용된다.The refrigerator maintains a predetermined freezing and refrigeration state by supplying cold air generated near the evaporator to the refrigerating chamber and the freezing chamber. That is, when the internal temperature of the freezer compartment and the refrigerating compartment rises above the set temperature, cold air is supplied, and when the temperature falls below the set temperature, the supply of cold air is stopped. A damper is used to interrupt this cold air.

도1은 종래의 냉장고의 내부 구조를 보여주는 측단면도이다.1 is a side cross-sectional view showing the internal structure of a conventional refrigerator.

도시한 바와 같이, 도1의 냉장고는 배리어(1)를 경계로 상부는 냉동실(2)로 하부는 냉장실(5)로 나누어진다.As shown, the refrigerator of FIG. 1 is divided into a freezer compartment 2 at an upper boundary and a refrigerating compartment 5 at a boundary of the barrier 1.

냉동실(2) 후방에 위치한 증발기(3)에서 열교환된 냉기중 일부는 냉동실(2)로 공급되고, 나머지의 냉기는 배리어(1) 내를 통하여 형성되어진 냉기유로(4)를 통하여 냉장실(5)로 공급된다. 상기 냉기유로(4) 상에는, 냉장실 내부로 공급되는 냉기의 양을 조절하는 댐퍼(10)가 설치된다.Some of the cold air heat exchanged in the evaporator (3) located behind the freezer compartment (2) is supplied to the freezer compartment (2), and the remaining cold air through the cold air passage (4) formed through the barrier (1) Is supplied. On the cold air passage 4, a damper 10 for adjusting the amount of cold air supplied into the refrigerating chamber is provided.

댐퍼(10)는 배플(baffle)(30)을 구비한다. 냉기유로(4)를 통하여 공급되는 냉기는, 배플(30)의 개방에 의해 냉장실(5) 후방에 설치된 냉장실덕트(7)로 공급되고, 냉장실덕트(7)상에 형성된 냉기토출공(7a)을 통하여 냉장실(5) 내부로 토출된다.The damper 10 has a baffle 30. The cold air supplied through the cold air flow passage 4 is supplied to the refrigerating chamber duct 7 provided at the rear of the refrigerating chamber 5 by the opening of the baffle 30, and the cold air discharge hole 7 a formed on the refrigerating chamber duct 7. It is discharged into the refrigerating chamber (5) through.

냉장실덕트(7)로의 냉기공급을 조절하는 댐퍼(10)의 구동은, 온도감지센서(미도시)에 의해 감지된 냉장실(5) 내의 온도에 따라 마이컴(미도시)에 의해 조절된다. 즉, 냉장실(5)내에 설치된 온도감지센서에 의해 감지된 온도가 설정온도 이상일 때에는 댐퍼(10)의 구동모터(20)의 구동에 의해 배플(30)이 열리며 이에 따라 냉기가 냉장실(5)내로 공급된다. 반면, 냉장실(5)내의 온도가 적정온도 이하이면, 댐퍼(10)의 배플(30)이 닫혀 냉장실(5) 내로의 냉기공급이 중단된다.The driving of the damper 10 to regulate the supply of cold air to the refrigerating chamber duct 7 is controlled by a microcomputer (not shown) according to the temperature in the refrigerating chamber 5 sensed by a temperature sensor (not shown). That is, when the temperature detected by the temperature sensor installed in the refrigerating chamber 5 is higher than the set temperature, the baffle 30 is opened by driving the drive motor 20 of the damper 10, whereby the cold air is stored in the refrigerating chamber 5. Are fed into. On the other hand, if the temperature in the refrigerating chamber 5 is lower than the appropriate temperature, the baffle 30 of the damper 10 is closed to stop the supply of cold air into the refrigerating chamber 5.

도2는 도1의 냉장고에 사용될 수 있는 종래의 댐퍼 구조를 상세하게 보여주는 상세 사시도이다.Figure 2 is a detailed perspective view showing in detail the conventional damper structure that can be used in the refrigerator of Figure 1;

도시된 바와 같이, 댐퍼(10)는, 냉기가 통과할 수 있는 냉기통과공(12a)을 구비하는 댐퍼바디(12)와, 상기 댐퍼바디(12)의 냉기통과공(12a)을 개폐하는 배플(30)을 포함하고 있다.As illustrated, the damper 10 includes a damper body 12 having a cold air passing hole 12a through which cold air can pass, and a baffle for opening and closing the cold air passing hole 12a of the damper body 12. It contains 30.

상기 배플(30)을 회전시키는 것에 의하여 냉기통과공(12a)을 개폐하기 위한 구동모터(20)가 상기 댐퍼바디(12) 일측에 설치되어 있다. 상기 구동모터(20)의 구동축에 결합된 구동기어(26)는, 구동모터(20)의 회전 동력을 부채꼴기어(24)에 전달하게 된다.The drive motor 20 for opening and closing the cold air passage 12a by rotating the baffle 30 is provided at one side of the damper body 12. The drive gear 26 coupled to the drive shaft of the drive motor 20 transmits the rotational power of the drive motor 20 to the fan gear 24.

상기 부채꼴기어(24)의 회전축에는 상기 배플(30)의 회전축이 끼워져서, 상기 부채꼴기어(24)의 회전에 의하여 상기 배플(30)이 회전하게 된다. 배플(30)이 회전하면 상기 냉기통과공(12a)이 개폐되는 것이다.The rotating shaft of the baffle 30 is fitted to the rotating shaft of the fan gear 24, the baffle 30 is rotated by the rotation of the fan gear 24. When the baffle 30 rotates, the cold air passage 12a is opened and closed.

도3은 도1의 냉장고에 사용될 수 있는 종래의 또 다른 댐퍼의 설치 구조를 개략적으로 보여주는 정면도이다.FIG. 3 is a front view schematically showing an installation structure of another conventional damper that can be used in the refrigerator of FIG.

도시한 바와 같이, 댐퍼(10)는 프레임(40)을 사이에 개재하여 냉기의 유동로예컨대, 도1의 냉기유로(4) 상에 설치된다. 프레임(40)은 통상 EPS(Expandable Polystyrene, 발포 폴리스티렌) 재질이 사용되는데, 냉기통과공(12a)을 통하지 않은 댐퍼(10) 전후의 열전달을 차폐하는 단열재로서의 기능과 댐퍼(10) 설치를 위한 구조 틀로서의 기능을 수행한다.As shown, the damper 10 is provided on the flow path of cold air, for example, the cold air flow path 4 of FIG. 1 via the frame 40. Frame 40 is usually used EPS (Expandable Polystyrene) material, the function as a heat insulating material to shield the heat transfer before and after the damper 10 through the cold air passage 12a and the structure for the damper 10 installation It functions as a framework.

상기와 같은 댐퍼 설치 구조에서는 댐퍼가 프레임(40)에 꽉 끼워맞춤되어 지지되기 때문에, 댐퍼의 구동모터(20)로부터 전달되는 진동 또는 소음이 완충됨이 없이 외부에까지 그대로 전달되는 문제점이 있었다.In the damper installation structure as described above, since the damper is tightly fitted to and supported by the frame 40, there is a problem that the vibration or noise transmitted from the driving motor 20 of the damper is transmitted to the outside without being buffered.

냉장고는 가정의 실내에서 주로 사용되고, 특히 최근 소비자의 구매 성향을 볼때 냉장고의 저소음 특성이 더욱 중요시되고 있어, 댐퍼(10)의 구동모터(20)에서 발생하는 소음 저감 문제에 대한 방안이 요구되어 왔다.Refrigerators are mainly used indoors of homes, and in particular, the low noise characteristics of the refrigerators are particularly important in view of the purchasing tendency of consumers, and thus, a method for reducing noise generated in the driving motor 20 of the damper 10 has been required. .

본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 별도의 방음 구조물을 부가하는 등의 설계 변경을 하지 않고도 매우 간단히 댐퍼의 구동모터로부터 야기되는 소음을 저감시킬 수 있는 소음 저감 구조를 제공하는데 목적이 있다.The present invention has been made to solve the above problems, an object of the present invention is to reduce the noise caused by the drive motor of the damper very simply without changing the design, such as adding a separate soundproof structure The purpose is to provide a structure.

도1은 종래의 냉장고의 내부 구조를 보여주는 측단면도이다.1 is a side cross-sectional view showing the internal structure of a conventional refrigerator.

도2는 도1의 냉장고에 사용될 수 있는 종래의 댐퍼 구조를 상세하게 보여주는 상세 사시도이다.Figure 2 is a detailed perspective view showing in detail the conventional damper structure that can be used in the refrigerator of Figure 1;

도3은 도1의 냉장고에 사용될 수 있는 종래의 또 다른 댐퍼의 설치 구조를 개략적으로 보여주는 정면도이다.FIG. 3 is a front view schematically showing an installation structure of another conventional damper that can be used in the refrigerator of FIG.

도4a는 본 발명의 일 실시예에 따른 댐퍼 설치 구조를 개략적으로 보여주는 정면도이다.Figure 4a is a front view schematically showing a damper installation structure according to an embodiment of the present invention.

도4b는 본 발명의 또 다른 실시예에 따른 댐퍼 설치 구조를 개략적으로 보여주는 정면도이다.Figure 4b is a front view schematically showing a damper installation structure according to another embodiment of the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10: 댐퍼 12: 댐퍼바디10: damper 12: damper body

20: 구동모터 30: 배플20: drive motor 30: baffle

40: 프레임 42: 돌출리브40: frame 42: protrusion rib

상기한 목적을 달성하기 위하여, 본 발명은 댐퍼바디와, 구동모터와, 상기댐퍼바디에 개폐 가능하게 결합되어, 상기 구동모터에 의하여 개폐 작동되고 냉기의 흐름을 개폐하는 배플을 구비하는 댐퍼와, 냉기의 유동로 상에 고정되고, 상기 댐퍼가 삽입 지지되는 삽입홈을 구비하되 상기 삽입홈의 내주에는 상기 댐퍼가 접촉된 상태로 지지되는 돌출리브가 돌출되게 형성되는 것을 특징으로 하는 댐퍼 설치 구조를 제공한다.In order to achieve the above object, the present invention provides a damper body, a damper having a drive motor, a damper coupled to the damper body to open and close, the baffle for opening and closing operation by the drive motor and opening and closing the flow of cold air; It is fixed on the flow path of the cold air, the damper is provided with an insertion groove is inserted and supported, the inner periphery of the insertion groove is provided with a damper installation structure characterized in that the projecting ribs are formed to protrude in the state in which the damper is in contact do.

바람직하게는, 상기 돌출리브는 상기 삽입홈의 내주에서 상호 대향하도록 쌍을 이루어, 한 쌍 이상이 형성된다.Preferably, the protruding ribs are paired to face each other at the inner circumference of the insertion groove, so that at least one pair is formed.

이하, 첨부도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도4a는 본 발명의 일 실시예에 따른 댐퍼 설치 구조를 개략적으로 보여주는 도면이다.Figure 4a is a schematic view showing a damper installation structure according to an embodiment of the present invention.

도시한 바와 같이, 도4a의 댐퍼는 댐퍼바디(12)와, 구동모터(20)와, 배플(30)을 포함하여 이루어진다.As shown, the damper of FIG. 4A includes a damper body 12, a drive motor 20, and a baffle 30.

댐퍼바디(12)는 배플(30)과 구동모터(20)가 고정 설치되는 몸체 역할을 한다.The damper body 12 serves as a body in which the baffle 30 and the driving motor 20 are fixedly installed.

구동모터(20)로는 예컨대 스테핑모터가 사용될 수 있다.As the driving motor 20, for example, a stepping motor may be used.

배플(30)은 댐퍼바디(12)에 회전 개폐 가능하게 결합된다. 배플(30)은 축(13)을 통해 구동모터(20)로부터 구동력을 받아 회전됨으로써 개폐 작동된다.The baffle 30 is rotatably coupled to the damper body 12. The baffle 30 is rotated by receiving a driving force from the driving motor 20 through the shaft 13 to be opened and closed.

댐퍼(10)의 구동은, 온도감지센서(미도시)에 의해 감지된 냉장실(5) 또는 냉동실 내의 온도에 따라 마이컴(미도시)에 의해 조절된다. 즉, 온도감지센서에 의해 감지된 온도가 설정온도 이상일 때에는 댐퍼(10)의 구동모터(20)의 구동에 의해 배플(30)이 열리며 이에 따라 냉기가 토출되어 냉장실(5) 또는 냉동실 내로 공급된다. 반면, 냉장실(5) 또는 냉동실 내의 온도가 적정온도 이하이면, 배플(30)이 닫혀 냉기공급이 중단된다.The driving of the damper 10 is controlled by a microcomputer (not shown) according to the temperature in the refrigerating chamber 5 or the freezing chamber sensed by a temperature sensor (not shown). That is, when the temperature sensed by the temperature sensor is higher than the set temperature, the baffle 30 is opened by driving the drive motor 20 of the damper 10, and thus cold air is discharged and supplied into the refrigerating chamber 5 or the freezing chamber. do. On the other hand, if the temperature in the refrigerating chamber 5 or the freezing chamber is below the proper temperature, the baffle 30 is closed to stop the supply of cold air.

프레임(40)은 통상 EPS 재질이 사용되며, 댐퍼(10)는 프레임(40)을 사이에 개재하여 냉기의 유동로, 예컨대, 도1의 냉기유로(4) 상에 설치된다.Frame 40 is usually used for the EPS material, the damper 10 is installed on the flow path of the cold air, for example, the cold air flow path 4 of Figure 1 via the frame 40.

프레임(40)은 댐퍼가 삽입 지지되는 삽입홈을 구비하는데, 삽입홈의 내주의 네 변 중 대향하는 두변에 각각 하나씩 돌출리브(42)(돌출편)가 형성된다. 돌출리브(42)는 댐퍼와 직접 접촉되어 댐퍼를 지지함으로써 댐퍼의 진동 소음을 저감시킨다. 돌출리브(42)로 인하여 댐퍼와 삽입홈 사이에는 이격 공간이 존재한다.The frame 40 has an insertion groove into which the damper is inserted and supported, and one protrusion rib 42 (protrusion piece) is formed on each of two opposite sides of the inner circumference of the insertion groove. The protruding rib 42 is in direct contact with the damper to support the damper, thereby reducing the vibration noise of the damper. Due to the protruding rib 42, there is a space between the damper and the insertion groove.

도4b는 본 발명의 또 다른 실시예에 따른 댐퍼 설치 구조를 개략적으로 보여주는 도면이다.Figure 4b is a schematic view showing a damper installation structure according to another embodiment of the present invention.

도시한 바와 같이, 돌출리브(42)는 댐퍼의 진동 특성에 따라 소정 개수가 삽입홈의 내주에 형성될 수 있고, 도4b는 삽입홈의 내주에 두 쌍의 돌출리브(42)가 사용될 수 있음을 보여준다.As shown, a predetermined number of the protrusion ribs 42 may be formed on the inner circumference of the insertion groove according to the vibration characteristics of the damper, and in FIG. 4B, two pairs of the protrusion ribs 42 may be used on the inner circumference of the insertion groove. Shows.

상기한 구성에 따르면, 본 발명은 별도의 방음 구조물을 부가하는 등의 설계 변경을 하지 않고도 매우 간단히 댐퍼의 구동모터로부터 야기되는 소음을 저감시킬 수 있다.According to the above configuration, the present invention can very simply reduce the noise caused by the drive motor of the damper without changing the design, such as adding a separate soundproof structure.

Claims (2)

댐퍼바디와, 구동모터와, 상기 댐퍼바디에 개폐 가능하게 결합되고 상기 구동모터에 의하여 개폐 작동되어 냉기의 흐름을 개폐하는 배플을 구비하는 댐퍼와,A damper having a damper body, a drive motor, and a baffle coupled to the damper body so as to be openable and openable and opened and closed by the drive motor to open and close the flow of cold air; 냉기의 유동로 상에 고정되고, 상기 댐퍼가 삽입 지지되는 삽입홈을 구비하되 상기 삽입홈의 내주에는 상기 댐퍼가 접촉된 상태로 지지되는 돌출리브가 돌출되게 형성되는 것을 특징으로 하는 댐퍼 설치 구조.The damper installation structure is fixed on the flow path of the cold air, the damper is provided with an insertion groove is inserted and supported, the inner periphery of the insertion groove is a damper installation structure characterized in that the projecting ribs are formed to protrude in the state in which the damper is in contact. 제1항에 있어서,The method of claim 1, 상기 돌출리브는 상기 삽입홈의 내주에서 상호 대향하도록 쌍을 이루어, 한 쌍 이상이 형성되는 것을 특징으로 하는 댐퍼 설치 구조.The protruding ribs are formed in pairs so as to face each other at the inner circumference of the insertion groove, and at least one pair is formed.
KR1020030028629A 2003-05-06 2003-05-06 Damper installation structure KR20040095032A (en)

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