KR100792797B1 - Radiant heat device for preventing sound - Google Patents

Radiant heat device for preventing sound Download PDF

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Publication number
KR100792797B1
KR100792797B1 KR1020060081871A KR20060081871A KR100792797B1 KR 100792797 B1 KR100792797 B1 KR 100792797B1 KR 1020060081871 A KR1020060081871 A KR 1020060081871A KR 20060081871 A KR20060081871 A KR 20060081871A KR 100792797 B1 KR100792797 B1 KR 100792797B1
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South Korea
Prior art keywords
heat dissipation
case
radiating
fan
hole
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KR1020060081871A
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Korean (ko)
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최태홍
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주식회사 대우일렉트로닉스
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/34—Vessels, containers or parts thereof, e.g. substrates
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/28—Cooling arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/04—Display protection
    • G09G2330/045—Protection against panel overheating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2217/00—Gas-filled discharge tubes
    • H01J2217/38—Cold-cathode tubes
    • H01J2217/49—Display panels, e.g. not making use of alternating current
    • H01J2217/492—Details

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

A heat radiator is provided to decrease a noise generated when air collides with an external case, by directly radiating heated air through a radiating hole using a heat radiating fan. A heat radiator includes an external case(20) and a radiator(30). A radiating component is mounted on the external case which includes a mounting hole. The radiator is mounted on the mounting hole and ejects air to the outside. The radiator includes a radiating case(31), a radiating fan(32), and a radiating motor(33). The radiating case is mounted on the mounting hole and is coupled with the external case. The radiating hole penetrates an inner portion of the radiating case. The radiating fan is mounted on the radiating hole and moves air. The radiating motor is coupled with a center shaft of the radiating fan to rotate the radiating fan. The radiating motor is fixed on the radiating case.

Description

소음 저감을 위한 방열장치{RADIANT HEAT DEVICE FOR PREVENTING SOUND}Radiator for noise reduction {RADIANT HEAT DEVICE FOR PREVENTING SOUND}

도 1은 종래 평판 디스플레이 장치 내부의 열을 배출하기 위해 방열팬이 장착된 상태를 개략적으로 도시한 도면이다.FIG. 1 is a view schematically illustrating a state in which a heat dissipation fan is mounted in order to discharge heat inside a conventional flat panel display device.

도 2는 본 발명의 일실시예에 따른 방열장치가 구비된 제품을 간략히 도시한 측단면도이다.Figure 2 is a side cross-sectional view briefly showing a product having a heat dissipation device according to an embodiment of the present invention.

도 3은 본 발명의 일실시예에 따른 방열케이스를 도시한 부분 절개 사시도이다.Figure 3 is a partially cut perspective view showing a heat dissipation case according to an embodiment of the present invention.

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

31 : 방열케이스 32 : 방열팬31: heat dissipation case 32: heat dissipation fan

33 : 방열모터 34 : 방열홀33: heat dissipation motor 34: heat dissipation hole

38 : 흡음재 39 : 흡음홀38: sound absorbing material 39: sound absorbing hole

본 발명은 방열장치에 관한 것으로서, 보다 상세하게는 전자제품 내부에서 가열된 공기가 소음이 억제되면서 전자제품 외부로 배출되도록 하는 것을 특징으로 하는 소음 저감을 위한 방열장치에 관한 것이다.The present invention relates to a heat dissipation device, and more particularly, to a heat dissipation device for noise reduction, characterized in that the air heated inside the electronic product is discharged to the outside of the electronic product while the noise is suppressed.

일반적으로 방열팬은 전자제품에 장착되어 제품 내부부품에서 발생되는 열을 외부로 신속하게 배출시켜 준다. 엘시디 모듈이나 피디피 모듈은 자체 발열이 크기 때문에, 이러한 모듈이 장착된 평판 디스플레이 장치에서는 방열팬의 장착이 필수적이다.In general, the heat dissipation fan is mounted on the electronics to quickly dissipate the heat generated from the internal parts of the product. Since the LCD module and the PD module generate a large amount of self-heating, it is essential to mount a heat dissipation fan in the flat panel display device equipped with such a module.

도 1은 종래 평판 디스플레이 장치 내부의 열을 배출하기 위해 방열팬이 장착된 상태를 개략적으로 도시한 도면이다.FIG. 1 is a view schematically illustrating a state in which a heat dissipation fan is mounted in order to discharge heat inside a conventional flat panel display device.

도 1을 참조하면, 평판 디스플레이 장치(10)는 프론트마스크(11)와 백커버(12)의 결합으로 외관이 형성되고, 평판 디스플레이 장치(10)의 내부에는 영상이 사용자에게 표현되기 위한 영상모듈(13)이 구비된다.Referring to FIG. 1, the flat panel display apparatus 10 has an exterior formed by a combination of the front mask 11 and the back cover 12, and an image module for displaying an image to the user inside the flat panel display apparatus 10. (13) is provided.

이러한 영상모듈(13)은 자체 발열이 크기 때문에, 영상모듈(13)에는 방열팬 어셈블리(15)가 구비된다.Since the image module 13 generates a large amount of self-heating, the image module 13 is provided with a heat radiating fan assembly 15.

상기 방열팬 어셈블리(15)에는 고정대(16), 팬케이스(17), 팬(18) 및 모터(19)가 구비된다.The heat dissipation fan assembly 15 includes a fixing stand 16, a fan case 17, a fan 18, and a motor 19.

상기 팬케이스(17) 내부에는 팬(18)이 장착되고, 팬(18)의 중심에는 모터(19)가 구비되어 팬(18)을 회전시키는데, 모터(19)는 팬케이스(17)에 고정 설치된다.The fan 18 is mounted inside the fan case 17, and a motor 19 is provided at the center of the fan 18 to rotate the fan 18. The motor 19 is fixed to the fan case 17. Is installed.

상기 고정대(16)는 영상모듈(13)의 후면에 일단이 결합되고, 팬케이스(17)에 타단이 결합되어, 팬케이스(17)를 영상모듈(13)의 후방에 위치시킨다.One end is coupled to the rear surface of the image module 13 and the other end is coupled to the fan case 17 to position the fan case 17 at the rear of the image module 13.

한편, 상기 백커버(12)에는 평판 디스플레이 장치(10) 내부의 열이 배출되기 위한 다수의 방열홀(12a)이 구비된다.On the other hand, the back cover 12 is provided with a plurality of heat dissipation holes 12a for discharging heat inside the flat panel display apparatus 10.

상기와 같은 구성을 갖는 종래의 평판 디스플레이 장치(10)는 팬(18)의 회전에 따라 공기가 팬케이스(17)를 통과하는 과정에서, 공기가 팬케이스(17)에 부딪혀 소음을 유발하는 문제점이 있다.In the conventional flat panel display device 10 having the above-described configuration, in the process of passing air through the fan case 17 as the fan 18 rotates, the air hits the fan case 17 to cause noise. There is this.

또한, 팬케이스(17)를 통과한 공기가 방열홀(12a)을 통해 백커버(12)를 통과하는 과정에서, 방열홀(12a)을 통과하지 못하는 공기가 백커버(12)에 부딪혀 와류를 형성함으로써, 다른 공기가 방열홀(12a)을 통해 배출되는 것을 방해할 뿐만 아니라 소음이 발생되는 문제점이 있다.In addition, while the air passing through the fan case 17 passes through the back cover 12 through the heat dissipation hole 12a, air that fails to pass through the heat dissipation hole 12a hits the back cover 12 to prevent vortex flow. By forming, not only does it prevent other air from being discharged through the heat dissipation hole 12a, but there is a problem that noise is generated.

본 발명은 상기와 같은 문제점들을 개선하기 위해 안출된 것으로서, 팬케이스의 형상을 변경하여 소음을 줄이고 공기 배출 효율을 향상시키는 소음 저감을 위한 방열장치를 제공하는데 그 목적이 있다.The present invention has been made in order to improve the above problems, an object of the present invention is to provide a heat dissipation device for noise reduction by changing the shape of the fan case to reduce noise and improve the air discharge efficiency.

상기와 같은 목적을 달성하기 위하여 본 발명은 발열부품이 내장되고 장착홀이 구비되는 외부케이스; 및 상기 장착홀에 장착되어 상기 외부케이스의 내부 공기를 배출시키는 방열수단을 포함하는 것을 특징으로 하는 소음 저감을 위한 방열장 치를 제공한다.In order to achieve the above object, the present invention is a heat generating component is built-in an outer case provided with a mounting hole; And a heat dissipation means mounted to the mounting hole for discharging the internal air of the outer case.

본 발명에서 상기 방열수단은 상기 장착홀에 위치되어 상기 외부케이스에 결합되며 내부를 관통하는 방열홀이 구비되는 방열케이스; 상기 방열홀에 위치되어 회전되면서 공기를 이동시키는 방열팬; 및 상기 방열팬의 중심축과 결합되어 상기 방열팬을 회전시키며 상기 방열케이스에 고정 설치되는 방열모터를 포함하는 것을 특징으로 한다.In the present invention, the heat dissipation means is located in the mounting hole is coupled to the outer case and the heat dissipation case is provided with a heat dissipation hole penetrating the inside; A heat dissipation fan positioned in the heat dissipation hole to move air; And a heat dissipation motor coupled to the central axis of the heat dissipation fan to rotate the heat dissipation fan and fixedly installed to the heat dissipation case.

상기 방열케이스의 내주면은 오리피스 형상을 갖는 것을 특징으로 한다.The inner peripheral surface of the heat dissipation case is characterized in that it has an orifice shape.

상기 방열케이스의 내부에는 흡음재가 구비되고, 상기 방열케이스의 내주면에는 상기 흡입재로 공기를 이동시키는 흡음홀이 구비되는 것을 특징으로 한다.A sound absorbing material is provided inside the heat dissipation case, and a sound absorbing hole for moving air to the suction material is provided on the inner circumferential surface of the heat dissipation case.

이하, 첨부된 도면들을 참조하여 본 발명에 따른 방열장치의 일실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of a heat radiation device according to the present invention.

이러한 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다.In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로써, 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다.In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom.

그러므로, 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Therefore, definitions of these terms should be made based on the contents throughout the specification.

도 2는 본 발명의 일실시예에 따른 방열장치가 구비된 제품을 간략히 도시한 측단면도이고, 도 3은 본 발명의 일실시예에 따른 방열케이스를 도시한 부분 절개 사시도이다.2 is a side cross-sectional view briefly showing a product having a heat dissipation device according to an embodiment of the present invention, Figure 3 is a partial cutaway perspective view showing a heat dissipation case according to an embodiment of the present invention.

도 2와 도 3을 참조하면, 전자제품의 외관을 형성하는 외부케이스(20)에는 발열부품(21)이 내장되고, 외부케이스(20)에는 장착홀(22)이 구비된다. 통상적으로 가열된 공기는 상방으로 이동되므로, 이러한 장착홀(22)은 외부케이스(20)의 상부에 형성되는 것이 바람직하다.2 and 3, a heat generating part 21 is embedded in an outer case 20 that forms an exterior of an electronic product, and a mounting hole 22 is provided in the outer case 20. Typically, the heated air is moved upwards, such a mounting hole 22 is preferably formed in the upper portion of the outer case (20).

상기 장착홀(22)에는 방열수단(30)이 장착되어 외부케이스(20)의 내부 공기를 외부케이스(20) 외부로 배출시키게 된다.The heat dissipation means 30 is mounted in the mounting hole 22 to discharge the internal air of the outer case 20 to the outside of the outer case 20.

상기 방열수단(30)은 방열케이스(31), 방열팬(32) 및 방열모터(33)를 구비한다.The heat dissipation means 30 includes a heat dissipation case 31, a heat dissipation fan 32, and a heat dissipation motor 33.

상기 방열케이스(31)는 장착홀(22)에 위치되어 외부케이스(20)에 고정 설치되며, 방열케이스(31)에는 방열케이스(31)를 관통하는 방열홀(34)이 구비된다. 이러한 방열케이스(31)가 외부케이스(20)에 장착되도록, 방열케이스(31)의 외주면에는 나사공(42)을 갖는 결합편(41)이 구비되고, 외부케이스(20)에는 나사공(42)에 대응되는 결합공(44)이 구비되어 나사(43) 결합된다.The heat dissipation case 31 is positioned in the mounting hole 22 and fixedly installed in the outer case 20, and the heat dissipation case 31 is provided with a heat dissipation hole 34 penetrating the heat dissipation case 31. In order that the heat dissipation case 31 is mounted on the outer case 20, the outer peripheral surface of the heat dissipation case 31 is provided with a coupling piece 41 having a screw hole 42, and the outer case 20 has a screw hole 42. Coupling holes 44 corresponding to) are provided and the screws 43 are coupled.

상기 방열홀(34)에는 방열팬(32)이 구비되고, 방열팬(32)의 중심축과 결합되어 방열팬(32)을 회전시키는 방열모터(33)가 구비된다. 이러한 방열모터(33)는 제어부(35)에 의해 구동이 제어되고, 외주면에 돌출된 고정바(36)가 방열케이스(31)의 내주면에 고정 설치된다.The heat dissipation hole 34 is provided with a heat dissipation fan 32, and is provided with a heat dissipation motor 33 coupled to the central axis of the heat dissipation fan 32 to rotate the heat dissipation fan 32. The heat dissipation motor 33 is controlled by the control unit 35, the fixing bar 36 protruding to the outer peripheral surface is fixed to the inner peripheral surface of the heat dissipation case (31).

한편, 상기 방열케이스(31)의 내주면, 보다 구체적으로는 방열홀(34)의 단면이 오리피스 형상을 갖도록 한다. 이러한 오리피스 형상에 의해 방열팬(32)을 통해 방열홀(34)을 통과하는 공기가 단면적이 좁은 곳을 지나면서 속도가 빨라져 공기 배출력을 향상시킨다.On the other hand, the inner peripheral surface of the heat dissipation case 31, more specifically, the cross section of the heat dissipation hole 34 to have an orifice shape. By the orifice shape, the air passing through the heat dissipation hole 34 through the heat dissipation fan 32 passes through a narrow cross-sectional area and the speed is increased to improve the air discharge force.

상기 방열케이스(31)에는 흡음재(38)가 내장되고, 방열케이스(31)의 내주면에는 내장된 흡입재(38)로 공기를 이동시키는 통로 기능을 하는 흡음홀(39)이 구비된다.The heat dissipation case 31 is provided with a sound absorbing material 38, and an inner circumferential surface of the heat dissipation case 31 is provided with a sound absorbing hole 39 functioning as a passage for moving air to the built-in suction material 38.

이하, 첨부된 도면들을 참조하여 본 발명의 일실시예에 따른 방열장치의 동작을 설명한다.Hereinafter, the operation of the heat radiation device according to an embodiment of the present invention with reference to the accompanying drawings.

도 2 및 도 3을 참조하면, 미도시한 온도센서 등을 통해 외부케이스(20) 내부의 온도 상승이 감지되면, 제어부(35)는 방열모터(33)를 구동시킨다.2 and 3, when a temperature rise inside the outer case 20 is detected through a temperature sensor, etc., not illustrated, the controller 35 drives the heat radiating motor 33.

그리하면, 방열모터(33)가 구동되면서 방열팬(32)이 회전되고, 외부케이스(20) 내부에서 가열된 공기는 방열홀(34)을 통해 외부로 배출된다.Then, the heat radiating fan 32 is rotated while the heat radiating motor 33 is driven, and the air heated inside the outer case 20 is discharged to the outside through the heat radiating hole 34.

한편, 상기와 같이 가열된 공기가 외부로 배출되는 과정에서, 배출되는 공기가 단면 형상이 오리피스인 방열홀(34)을 통과하게 되어, 배출되는 공기의 속도가 증대된다. 이로 인해, 공기의 배출력이 향상되어, 방열팬(32)의 공기 배출율이 향상된다.Meanwhile, in the process of discharging the heated air to the outside, the discharged air passes through the heat dissipation hole 34 having an orifice in cross section, thereby increasing the speed of the discharged air. For this reason, the discharge force of air improves and the air discharge rate of the heat radiating fan 32 improves.

그리고, 방열홀(34)을 통과하는 공기 중 일부가 흡음홀(39)을 통해 외부케이스(20)에 내장된 흡음재(38)에 도달함으로써, 방열홀(34)을 통과하는 공기의 소음이 저감된다.Then, some of the air passing through the heat dissipation hole 34 reaches the sound absorbing material 38 embedded in the outer case 20 through the sound absorbing hole 39, thereby reducing the noise of the air passing through the heat dissipation hole 34. do.

본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다.Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

따라서, 본 발명의 진정한 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다.Therefore, the true technical protection scope of the present invention will be defined by the claims below.

상기한 바와 같이 본 발명에 따른 방열장치는 가열된 공기가 방열팬을 통해 방열홀로 직접 배출됨으로써, 팬을 통해 배출되는 공기가 외부케이스에 부딪혀 유발되는 소음이 발생되지 않는 효과가 있다.As described above, the heat dissipation device according to the present invention has the effect that the heated air is discharged directly into the heat dissipation hole through the heat dissipation fan, so that the air discharged through the fan hits the outer case so that no noise is generated.

또한, 본 발명은 방열홀의 단면이 오리피스 형상을 갖도록 함으로써, 배출되는 공기의 속도가 빨라져, 공기 배출 효율이 향상되는 이점이 있다.In addition, the present invention has the advantage that the speed of the discharged air is faster, the air discharge efficiency is improved by having the cross section of the heat radiation hole has an orifice shape.

또한, 본 발명은 방열홀을 통과하는 공기가 흡음홀을 통해 방열케이스의 흡음재로 유입되어, 방열홀을 통과하면서 발생되는 공기의 소음이 저감되는 효과가 있다.In addition, the present invention has the effect that the air passing through the heat dissipation hole is introduced into the sound absorbing material of the heat dissipation case through the sound absorbing hole, thereby reducing the noise of air generated while passing through the heat dissipation hole.

Claims (4)

삭제delete 발열부품이 내장되고 장착홀이 구비되는 외부케이스; 및An outer case in which a heating component is built and the mounting hole is provided; And 상기 장착홀에 장착되어 상기 외부케이스의 내부 공기를 배출시키는 방열수단을 포함하고,It is mounted to the mounting hole and includes a heat dissipation means for discharging the internal air of the outer case, 상기 방열수단은 상기 장착홀에 위치되어 상기 외부케이스에 결합되며 내부를 관통하는 방열홀이 구비되는 방열케이스;The heat dissipation means is located in the mounting hole is coupled to the outer case and the heat dissipation case is provided with a heat dissipation hole penetrating the inside; 상기 방열홀에 위치되어 회전되면서 공기를 이동시키는 방열팬; 및A heat dissipation fan positioned in the heat dissipation hole to move air; And 상기 방열팬의 중심축과 결합되어 상기 방열팬을 회전시키며 상기 방열케이스에 고정 설치되는 방열모터를 포함하는 것을 특징으로 하는 소음 저감을 위한 방열장치.Heat radiation device for noise reduction, characterized in that coupled to the central axis of the heat dissipation fan rotates the heat dissipation fan and is fixed to the heat dissipation case. 제 2항에 있어서,The method of claim 2, 상기 방열케이스의 내주면은 오리피스 형상을 갖는 것을 특징으로 하는 소음 저감을 위한 방열장치.The heat dissipation device for noise reduction, characterized in that the inner peripheral surface of the heat dissipation case has an orifice shape. 제 2항 또는 제 3항에 있어서,The method of claim 2 or 3, 상기 방열케이스의 내부에는 흡음재가 구비되고, 상기 방열케이스의 내주면에는 상기 흡입재로 공기를 이동시키는 흡음홀이 구비되는 것을 특징으로 하는 소음 저감을 위한 방열장치.Sound absorbing material is provided inside the heat dissipation case, the heat dissipation device for noise reduction, characterized in that the inner peripheral surface of the heat dissipation case is provided with a sound absorbing hole for moving the air to the suction material.
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Publication number Priority date Publication date Assignee Title
KR20200076280A (en) * 2018-12-19 2020-06-29 엘지디스플레이 주식회사 Display device

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JPS59186017A (en) 1983-04-07 1984-10-22 Nec Corp Case structure
JPH03168399A (en) * 1989-11-28 1991-07-22 Pfu Ltd Cooling fan device
KR970004516Y1 (en) * 1992-05-21 1997-05-12 배순훈 Noise-proofing unit of fan of oa device
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KR20040061806A (en) * 2002-12-31 2004-07-07 엘지전자 주식회사 Noise preventing structure in flat display panel

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Publication number Priority date Publication date Assignee Title
JPS59186017A (en) 1983-04-07 1984-10-22 Nec Corp Case structure
JPH03168399A (en) * 1989-11-28 1991-07-22 Pfu Ltd Cooling fan device
KR970004516Y1 (en) * 1992-05-21 1997-05-12 배순훈 Noise-proofing unit of fan of oa device
KR20000021890A (en) * 1998-09-30 2000-04-25 윤종용 Apparatus for installing cooling fan into electronic device and portable computer having the apparatus
KR20040061806A (en) * 2002-12-31 2004-07-07 엘지전자 주식회사 Noise preventing structure in flat display panel

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076280A (en) * 2018-12-19 2020-06-29 엘지디스플레이 주식회사 Display device
KR102575515B1 (en) 2018-12-19 2023-09-05 엘지디스플레이 주식회사 Display device

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