KR20010096714A - Structure For Blocking The Noise Of AiR-Conditioner - Google Patents

Structure For Blocking The Noise Of AiR-Conditioner Download PDF

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Publication number
KR20010096714A
KR20010096714A KR1020000019572A KR20000019572A KR20010096714A KR 20010096714 A KR20010096714 A KR 20010096714A KR 1020000019572 A KR1020000019572 A KR 1020000019572A KR 20000019572 A KR20000019572 A KR 20000019572A KR 20010096714 A KR20010096714 A KR 20010096714A
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South Korea
Prior art keywords
air
heat exchanger
air conditioner
noise
housing assembly
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KR1020000019572A
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Korean (ko)
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KR100381654B1 (en
Inventor
김준우
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황한규
만도공조 주식회사
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Priority to KR10-2000-0019572A priority Critical patent/KR100381654B1/en
Publication of KR20010096714A publication Critical patent/KR20010096714A/en
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Publication of KR100381654B1 publication Critical patent/KR100381654B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/242—Sound-absorbing material

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

PURPOSE: A noise prevention structure for air conditioner indoor unit is provided, in which noise reduction and prevention member is attached to the side surface of the heat exchanger, to thereby prevent the friction noise caused due to the collision of air against the heat exchanger from being discharged through the air inlet grill. CONSTITUTION: An air conditioner includes a fan housing assembly(3) for discharging cooling air through the front surface of an indoor unit body(1) of an air conditioner; a driving motor(2) for generating power so as to blow air through the fan housing assembly; an air outlet(4) for guiding the air generated from the fan housing assembly and discharging the air through the front surface of the air conditioner; a heat exchanger(6) for performing cooling operation by the air introduced into the air conditioner, and which is fixed by a fixing member(7); and an air inlet grill(5) for introducing air to be supplied to the heat exchanger. A noise reduction and prevention member(8) is arranged to be inclined at the front surface of the heat exchanger so as to prevent the noise generated from the heat exchanger from being discharged through the air inlet grill.

Description

에어콘 실내기의 소음차단구조 { Structure For Blocking The Noise Of AiR-Conditioner }Noise blocking structure of air conditioner indoor unit {Structure For Blocking The Noise Of AiR-Conditioner}

본 발명은 에어콘의 소음을 저감하기 위한 구조에 관한 것으로서, 특히, 에어콘의 관로를 따라 이동하는 냉매를 식히기 위하여 실내기본체의 하단부분에 설치된 열교환기로 공기를 공급하는 구성에서 열교환기의 일측면에 일정한 경사각도로 소음저감용 차단부재를 부착하여 공기흡입그릴을 통하여 유입되는 공기가 열교환기에 부딪치면서 발생되는 마찰 소음을 차단하도록 하는 에어콘 실내기의 소음차단구조에 관한 것이다.The present invention relates to a structure for reducing the noise of the air conditioner, and in particular, in the configuration for supplying air to the heat exchanger installed in the lower portion of the indoor main body to cool the refrigerant moving along the air conditioner pipe constant on one side of the heat exchanger It relates to a noise blocking structure of the air conditioner indoor unit to block the friction noise generated when the air introduced through the air intake grill hit the heat exchanger by attaching a noise reducing blocking member at an inclination angle.

일반적으로 에어콘은 냉방기의 일종으로서, 모터가 구동되는 응축기로 냉매를 고압으로 압축하여 액화시키고, 이 고압으로 응축된 냉매를 관의 직경이 작은 모세관파이프로 이동시키면서 증발기에서 냉매를 순간적으로 기화시켜 증발시키므로 온도를 강하시켜 냉기를 발생하고, 이 때, 발생된 냉기를 실내로 토출시키므로 냉방을 수행하게 되는 것이다.In general, an air conditioner is a type of air conditioner that compresses and liquefies a refrigerant at a high pressure with a condenser driven by a motor, and vaporizes the refrigerant in an evaporator by evaporating the refrigerant condensed at a high pressure into a capillary pipe having a small diameter. Therefore, the temperature is lowered to generate cold air. At this time, cooling is performed by discharging the generated cold air into the room.

그리고, 증발기에서 증발되어 열을 흡수하면서 기화된 냉매는 압축기에서 응축기로 이동하여 응축되어 액화되면서 열을 외부로 방출하여 상기한 과정을 거쳐 지속적으로 냉방을 수행한다.In addition, the vaporized refrigerant evaporated in the evaporator while absorbing heat moves from the compressor to the condenser to condense and liquefy to release heat to the outside to continuously cool through the above process.

상기한 에어콘에는 스탠드식으로 바닥면에 놓아서 설치하는 스탠드형과, 벽면에 걸어서 사용하는 벽걸이형 룸에어콘이 등이 있으며, 상기한 에어콘에서 발생되는 열기를 외부로 배출하기 위하여 실외기(응축기)를 베란다의 구석진 부위에 설치하여 더운 열기가 베란다난간을 통하여 외부로 용이하게 토출되도록 한다.The air conditioner includes a stand type installed on a floor by a stand type and a wall-mounted room air conditioner used on a wall, and an outdoor unit (condenser) is provided to discharge heat generated from the air conditioner to the outside. Installed in the corner of the hot air to be easily discharged to the outside through the porch railing.

도 1은 종래의 일반적인 에어콘의 구조에 관한 도면이다.1 is a view of the structure of a conventional general air conditioner.

종래의 에어콘의 구성을 살펴 보면, 도 1에 도시된 바와 같이, 에어콘의 실내기 본체(1)의 전면부분을 통하여 냉기를 배출하기 위하여 형성된 팬하우징 에셈블리(3)와; 상기 팬하우징어셈블리(3)를 통하여 바람을 송풍하기 위하여 동력을 발생하는 구동모터(2)와; 상기 팬하우징 어셈블리(3)에서 발생된 바람을 가이드하여 전면으로 토출하여 주는 공기토출구(4)와; 상기 에어콘의 내부로 유입되는 공기를 이용하여 냉각을 하고, 고정부재(7)에 의하여 고정되어지는 열교환기(6)와; 상기 열교환기(6)로 공급되는 공기를 유입하도록 하는 공기흡입그릴(5)로 구성된다.Looking at the configuration of a conventional air conditioner, as shown in Figure 1, the fan housing assembly (3) formed to discharge cold air through the front portion of the indoor unit body 1 of the air conditioner; A drive motor 2 generating power to blow wind through the fan housing assembly 3; An air discharge port 4 for guiding and discharging the wind generated by the fan housing assembly 3 to the front; A heat exchanger (6) cooled by using air introduced into the air conditioner and fixed by the fixing member (7); It consists of an air suction grill (5) for introducing the air supplied to the heat exchanger (6).

상기 열교환기(6)는 수직면에 대하여 일정각도로 경사져 형성되어진다.The heat exchanger 6 is formed to be inclined at a predetermined angle with respect to the vertical plane.

이와같이 구성된 상태에서 구동모터(2)를 통하여 팬하우징 어셈블리(3) 내부의 송풍팬으로 바람을 발생하여 미도시된 냉방장치에서 발생된 냉기를 공기토출구 (4)로 토출시키면서 냉방을 수행하도록 한다.In this manner, the wind is generated by the blower fan inside the fan housing assembly 3 through the driving motor 2 to discharge the cool air generated in the cooling device, not shown, to the air outlet 4.

상기 공기토출구(4)로 냉기가 토출되어지면 실내기본체(1)의 하단에 설치도니 공기흡입그릴(5)을 통하여 공기가 유입되어져서 열교환기(6)의 열기를 식히면서 유입되어지게 된다.When cold air is discharged to the air outlet 4, air is introduced through the air suction grille 5 installed at the lower end of the indoor main body 1 to cool down the heat of the heat exchanger 6.

그런데, 상기한 바와 같이, 종래의 에어콘은 공기흡입그릴(5)을 통하여 공기가 유입되어지면서 열교환기(6)의 냉각핀을 거치면서 지나가므로 공기가 이동하면서 발생되는 공기유동소음의 상당부분은 흡입구측에서 발생되어지고 있으며, 특히, 공기가 열교환기(6)를 거치면서 발생된 소음이 가장 크게 발생하여 공기흡입그릴(5)을 통하여 전면으로 토출되어지므로 에어콘 소음이 증가되는 문제점을 지닌다.However, as described above, since the conventional air conditioner passes through the cooling fins of the heat exchanger 6 while the air is introduced through the air suction grille 5, a substantial part of the air flow noise generated while the air moves is It is generated on the inlet side, and in particular, the noise generated while passing through the heat exchanger (6) is the largest and is discharged to the front through the air intake grill (5) has the problem that the air conditioner noise increases.

본 발명은 이러한 점을 감안하여 안출한 것으로서, 에어콘의 관로를 따라 이동하는 냉매를 식히기 위하여 실내기본체의 하단부분에 설치된 열교환기로 공기를 공급하는 구성에서 열교환기의 일측면에 일정한 경사각도로 소음저감용 차단부재를 부착하여 공기흡입그릴을 통하여 유입되는 공기가 열교환기에 부딪치면서 발생되는 마찰 소음을 저감하는 것이 목적이다.The present invention has been made in view of this point, in order to reduce the noise at a constant inclination angle on one side of the heat exchanger in the air supply structure to supply air to the heat exchanger installed in the lower portion of the indoor body to cool the refrigerant moving along the air conditioner pipe An object of the present invention is to reduce friction noise caused by attaching the blocking member to the heat exchanger when the air introduced through the air suction grille is hit.

도 1은 종래의 일반적인 에어콘의 구성을 보인 도면이고,1 is a view showing the configuration of a conventional general air conditioner,

도 2는 본 발명에 따른 소음차단구조를 갖는 에어콘의 구성을 보인 도면이고,2 is a view showing the configuration of an air conditioner having a noise blocking structure according to the present invention,

도 3은 본 발명에 따른 소음차단구조를 상세하게 보인 도면이다.Figure 3 is a view showing in detail the noise blocking structure according to the present invention.

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

1 : 실내기 본체 2 : 구동모터1: indoor unit main body 2: driving motor

3 : 팬하우징 하우징 어세블리3: fan housing housing assembly

4 : 공기토출구 5 : 공기흡입그릴4: air outlet 5: air suction grill

6 : 열교환기 7 : 고정부재6 heat exchanger 7 fixing member

8 : 소음저감용 차음부재 9 : 금속판8: sound insulation member for noise reduction 9: metal plate

10 : 차음재10: sound insulation

이러한 목적은 에어콘의 실내기 본체의 전면부분을 통하여 냉기를 배출하기 위하여 형성된 팬하우징 에셈블리와; 상기 팬하우징어셈블리를 통하여 바람을 송풍하기 위하여 동력을 발생하는 구동모터와; 상기 팬하우징 어셈블리에서 발생된 바람을 가이드하여 전면으로 토출하여 주는 공기토출구와; 상기 에어콘의 내부로 유입되는 공기를 이용하여 냉각을 하고, 고정부재에 의하여 고정되어지는 열교환기와; 상기 열교환기로 공급되는 공기를 유입하도록 하는 공기흡입그릴로 구성된 에어콘의 실내기본체에 있어서, 상기 열교환기에서 발생된 소음이 전면으로 방출되는 것을 차단하기 위하여 열교환기의 전면부분에 경사지게 소음저감용 차단부재 설치하는 에어콘 실내기의 소음차단구조를 제공함으로써 달성된다.This object includes a fan housing assembly formed for discharging cold air through the front portion of the indoor unit main body of the air conditioner; A drive motor for generating power to blow wind through the fan housing assembly; An air discharge port for guiding and discharging wind generated in the fan housing assembly to the front; A heat exchanger configured to cool by using the air introduced into the air conditioner and be fixed by a fixing member; In the indoor main body of the air conditioner consisting of an air suction grill for introducing the air supplied to the heat exchanger, in order to block the noise generated in the heat exchanger to the front surface of the heat exchanger inclined to reduce the noise reduction member It is achieved by providing a noise blocking structure of the air conditioner indoor unit to be installed.

그리고, 상기 소음저감용 차단부재의 금속판은, 방음성이 좋은 고무재질 혹은 천재질 중에 어느 하나를 사용하도록 하고, 바람직 하게는 소음을 차단하는 능력이 좋은 재질이라면 적절하게 선택하여 사용하도록 한다.In addition, the metal plate of the noise reduction blocking member is to use any one of a soundproof rubber material or a material, preferably, if the material having a good ability to block the noise to be used properly selected.

이하, 첨부한 도면에 의거하여 본 발명의 일실시예에 대하여 상세히 설명하도록 한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 소음차단구조를 갖는 에어콘의 구성을 보인 도면이고, 도 3은 본 발명에 따른 소음차단구조를 상세하게 보인 도면이다.2 is a view showing the configuration of an air conditioner having a noise blocking structure according to the present invention, Figure 3 is a view showing in detail the noise blocking structure according to the present invention.

본 발명의 구성은, 에어콘의 실내기 본체(1)의 전면부분을 통하여 냉기를 배출하기 위하여 형성된 팬하우징 에셈블리(3)와; 상기 팬하우징어셈블리(3)를 통하여 바람을 송풍하기 위하여 동력을 발생하는 구동모터(2)와; 상기 팬하우징 어셈블리(3)에서 발생된 바람을 가이드하여 전면으로 토출하여 주는 공기토출구(4)와; 상기 에어콘의 내부로 유입되는 공기를 이용하여 냉각을 하고, 고정부재(7)에 의하여 고정되어지는 열교환기(6)와; 상기 열교환기(6)로 공급되는 공기를 유입하도록 하는 공기흡입그릴(5)로 구성된 에어콘의 실내기본체에 있어서, 상기 열교환기(7)에서 발생된 소음이 전면으로 방출되는 것을 차단하기 위하여 열교환기(6)의 전면부분에 경사지게 소음저감용 차단부재(8)를 설치하여 구성된다.The configuration of the present invention, the fan housing assembly (3) formed to discharge the cold air through the front portion of the indoor unit body (1) of the air conditioner; A drive motor 2 generating power to blow wind through the fan housing assembly 3; An air discharge port 4 for guiding and discharging the wind generated by the fan housing assembly 3 to the front; A heat exchanger (6) cooled by using air introduced into the air conditioner and fixed by the fixing member (7); In the indoor main body of the air conditioner composed of an air suction grille (5) for introducing the air supplied to the heat exchanger (6), the heat exchanger to block the noise generated in the heat exchanger (7) to the front It is constituted by installing a noise reduction blocking member 8 at an inclined front portion.

그리고, 상기 소음저감용 차단부재(8)는, 열교한기(6)에 고정된 금속판(9)과; 상기 금속판(9)의 외주면에 설치된 차음재(10)를 포함하여 구성된다.The noise reduction blocking member 8 includes: a metal plate 9 fixed to the thermal bridge machine 6; It is configured to include a sound insulating material 10 provided on the outer peripheral surface of the metal plate (9).

상기 소음저감용 차단부재(8)의 금속판(9)은, 열교환기(6)에 일체로 형성하거나 나사 등을 사용하여 체결하도록 구성한다.The metal plate 9 of the noise reduction blocking member 8 is configured to be integrally formed on the heat exchanger 6 or fastened by using a screw or the like.

이하, 본 발명의 작용 및 효과를 첨부도면에 의거하여 상세하게 살펴 보도록한다.Hereinafter, the operation and effects of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명에 따른 에어콘 실내기의 소음차단구조의 사용 상태를 살펴 보면,First, look at the state of use of the noise blocking structure of the air conditioner indoor unit according to the present invention,

본 발명의 에어콘을 작동하면, 실내기본체(1) 내부의 냉매가 순환하여 냉기를 발생하고, 발생된 냉기를 외부로 토출하기 위여 구동모터(2)가 작동하면, 팬하우징 어셈블리(3)의 내부에 있는 송풍팬을 회전하여 냉기가 공기토출구(4)를 통하여 전면으로 토출되어서 냉방을 수행하게 된다.When operating the air conditioner of the present invention, the refrigerant inside the indoor body (1) circulates to generate cold air, when the drive motor (2) is operated to discharge the generated cold to the outside, the inside of the fan housing assembly (3) By rotating the blowing fan in the cold air is discharged to the front through the air discharge port (4) to perform the cooling.

그리고, 상기 공기토출구(4)로 공기가 토출되므로 부족한 공기는 공기흡입그릴(5)을 통하여 유입되어지고, 이 때, 공기흡입그릴(5)을 통하여 유입되는 공기는 열교환기(6)의 전면에 부착된 소음저감용 차단부재(8)를 거쳐서 열교환기 (7)의 냉각핀을 거쳐서 열교환기(6)을 냉각을 수행한 팬하우징 어셈블리(3)의 내부에 설치된 송풍팬에 의하여 공기토축구(4)로 냉기를 토출되어 순환하면서 냉방을 수행하는 것이다.Since the air is discharged to the air outlet 4, insufficient air is introduced through the air suction grille 5, and at this time, the air introduced through the air suction grille 5 is front of the heat exchanger 6. The air storage unit is provided by a blower fan installed inside the fan housing assembly 3 in which the heat exchanger 6 is cooled through the cooling fins of the heat exchanger 7 through the noise reduction blocking member 8 attached thereto. Cooling is performed while the cold air is discharged and circulated to (4).

이 때, 상기 공기흡입그릴(5)을 통하여 유입되는 공기가 열교환기(6)를 거치면서 발생된 소음은 열교환기(6)에 고정된 소음저감용 차단부재(8)의 차음재(10)에 에 의하여 차단되어지므로 공기흡입그릴(5)을 통하여 방출되는 열교환기(6)의 마찰소음을 대폭적으로 줄여주도록 한다.At this time, the noise generated while the air introduced through the air suction grille 5 passes through the heat exchanger 6 is transferred to the sound insulation material 10 of the noise reduction blocking member 8 fixed to the heat exchanger 6. Since it is blocked by so as to significantly reduce the friction noise of the heat exchanger (6) discharged through the air suction grill (5).

따라서, 상기한 바와 같이 본 발명에 따른 에어콘 실내기의 소음차단구조를이용하게 되면. 에어콘의 관로를 따라 이동하는 냉매를 식히기 위하여 실내기본체의 하단부분에 설치된 열교환기로 공기를 공급하는 구성에서 열교환기의 일측면에 일정한 경사각도로 소음저감용 차단부재를 부착하여 공기흡입그릴을 통하여 유입되는 공기가 열교환기에 부딪치면서 발생되는 마찰 소음이 공기흡입그릴을 거쳐서 방출되는 것을 방지하도록 하는 매우 유용하고 효과적인 발명이다.Therefore, when using the noise blocking structure of the air conditioner indoor unit according to the present invention as described above. In order to cool the refrigerant moving along the air conditioner, air is supplied to the heat exchanger installed at the lower part of the indoor main body. It is a very useful and effective invention to prevent the friction noise generated when the air hits the heat exchanger through the air intake grill.

Claims (2)

에어콘의 실내기 본체의 전면부분을 통하여 냉기를 배출하기 위하여 형성된 팬하우징 에셈블리와; 상기 팬하우징어셈블리를 통하여 바람을 송풍하기 위하여 동력을 발생하는 구동모터와; 상기 팬하우징 어셈블리에서 발생된 바람을 가이드하여 전면으로 토출하여 주는 공기토출구와; 상기 에어콘의 내부로 유입되는 공기를 이용하여 냉각을 하고, 고정부재에 의하여 고정되어지는 열교환기와; 상기 열교환기로 공급되는 공기를 유입하도록 하는 공기흡입그릴로 구성된 에어콘의 실내기본체에 있어서,A fan housing assembly formed to discharge cold air through the front portion of the indoor unit main body of the air conditioner; A drive motor for generating power to blow wind through the fan housing assembly; An air discharge port for guiding and discharging wind generated in the fan housing assembly to the front; A heat exchanger configured to cool by using the air introduced into the air conditioner and be fixed by a fixing member; In the indoor main body of the air conditioner consisting of an air suction grill for introducing the air supplied to the heat exchanger, 상기 열교환기에서 발생된 소음이 전면으로 방출되는 것을 차단하기 위하여 열교환기의 전면부분에 경사지게 소음저감용 차단부재를 설치하는 것을 특징으로 하는 에어콘 실내기의 소음차단구조.Noise blocking structure of the indoor air conditioner, characterized in that the noise reduction blocking member is installed inclined to the front portion of the heat exchanger to block the noise generated in the heat exchanger to the front. 제 1 항에 있어서, 상기 소음저감용 차단부재는, 열교한기에 고정된 금속판과; 상기 금속판의 외주면에 설치된 차음재를 포함하여 이루어지는 것을 특징으로 하는 에어콘 실내기의 소음차단구조.The noise reduction blocking member of claim 1, further comprising: a metal plate fixed to the heat bridge device; Noise blocking structure of the air conditioner indoor unit comprising a sound insulating material provided on the outer peripheral surface of the metal plate.
KR10-2000-0019572A 2000-04-14 2000-04-14 Structure For Blocking The Noise Of AiR-Conditioner KR100381654B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100732415B1 (en) * 2005-06-30 2007-06-27 삼성전자주식회사 Air conditioner
CN108082757A (en) * 2016-11-22 2018-05-29 扬州通利冷藏集装箱有限公司 Cold silencer cover and with its frozen products insulated container
CN111649386A (en) * 2020-05-14 2020-09-11 宁波奥克斯电气股份有限公司 Air conditioner air guide structure, control method, control device and air conditioner

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Publication number Priority date Publication date Assignee Title
CN103925648B (en) * 2014-04-25 2017-01-04 江苏兆胜空调有限公司 A kind of low noise vertical air conditioner machine peculiar to vessel

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JPS52104264U (en) * 1976-02-05 1977-08-08
JPS5862009U (en) * 1981-10-21 1983-04-26 株式会社日立製作所 Structure of indoor unit of air conditioner
KR200232367Y1 (en) * 1998-12-22 2001-09-29 황한규 Intake structure of package airconditioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100732415B1 (en) * 2005-06-30 2007-06-27 삼성전자주식회사 Air conditioner
CN108082757A (en) * 2016-11-22 2018-05-29 扬州通利冷藏集装箱有限公司 Cold silencer cover and with its frozen products insulated container
CN108082757B (en) * 2016-11-22 2020-03-17 扬州通利冷藏集装箱有限公司 Cold machine amortization cover and have its refrigerated container
CN111649386A (en) * 2020-05-14 2020-09-11 宁波奥克斯电气股份有限公司 Air conditioner air guide structure, control method, control device and air conditioner

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