[go: up one dir, main page]

WO2018126611A1 - Compresseur - Google Patents

Compresseur Download PDF

Info

Publication number
WO2018126611A1
WO2018126611A1 PCT/CN2017/088771 CN2017088771W WO2018126611A1 WO 2018126611 A1 WO2018126611 A1 WO 2018126611A1 CN 2017088771 W CN2017088771 W CN 2017088771W WO 2018126611 A1 WO2018126611 A1 WO 2018126611A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
compressor
compressor according
foamed
sound absorbing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/088771
Other languages
English (en)
Chinese (zh)
Inventor
徐前
熊玉明
叶容君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Original Assignee
Midea Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2018126611A1 publication Critical patent/WO2018126611A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0033—Pulsation and noise damping means with encapsulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0033—Pulsation and noise damping means with encapsulations
    • F04B39/0038—Pulsation and noise damping means with encapsulations of inlet or outlet channels

Definitions

  • the present invention relates to the field of noise control and, in particular, to a compressor.
  • Controlling noise pollution mainly includes: control of the sound source, and restriction of noise propagation.
  • household appliances including but not limited to household air conditioners, central air conditioners, wall breaking machines, air energy water heaters, etc.
  • compressors hot water pumps, high-speed motors and other components, and the above structures will generate a lot of noise indoors. It seriously affects the quality of life of the people.
  • the above-mentioned home appliances require components such as compressors to realize their functions of use, so that people are more convenient in using the above-mentioned home appliances, and also bring noisy noise. Therefore, the noise source in the environment is currently not removable, so the control of the noise propagation path is mainly adopted to reduce the harm of noise to the user.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent.
  • the inventors have conducted in-depth research and a large number of experiments and found that this is mainly due to the fact that in order to reduce the overall weight of the device, current outdoor units, compressors, etc., are often provided with sound-absorbing components such as sound-absorbing cotton at noise sources (such as compressor casings, etc.). Most of the sound-absorbing cotton is a sound-absorbing felt and polyester cotton which are pressed by recycled cotton, and the sound absorption effect is poor. At present, the sound absorption effect can be improved by coating the outer surface of the sound absorbing cotton with a PVC skin.
  • the higher the sound insulation component the density of the surface, or the greater the mass per unit area
  • the better the sound insulation effect and the double the surface density
  • the theoretical increase of the sound insulation is 6dB. Therefore, an increase in the amount of sound insulation can be obtained by increasing the number of layers or the thickness of the sound insulating member.
  • the PVC skin is mostly a single-layer laminated PVC artificial leather, in order to achieve low cost and good sound insulation effect, the pursuit of higher areal density, in the PVC processing process, a large amount of CaCO 3 , BaSO 4 is added to the PVC. , metal powder and other fillers.
  • the PVC material added with the above filler is not resistant to aging, and the filler PVC material may be pulverized and broken during long-term use, thereby reducing the sound insulation effect and durability of the soundproof assembly. Moreover, increasing the material thickness or the areal density (adding the filler) will make the material hard. Therefore, when the noise-insulating component is coated with the noise vibration source, the contact portion around the sound-insulating component may be caused by the vibration, causing resonance, and thus a second time. noise.
  • the invention proposes a compressor.
  • the compressor includes: a base; a compressor housing, the compressor housing is disposed on the base; a compression assembly, the compression assembly is disposed inside the compressor housing; and a soundproof assembly, the soundproof assembly Provided on a surface of at least one of the base and the compressor housing, wherein the soundproof assembly includes: a laminated layer including a foamed sub-layer and a non-foamed sub-layer; and a sound absorbing layer, A sound absorbing layer is disposed on a lower surface of the laminated layer.
  • the sound-insulating component utilizes a continuous layered interface formed by alternating layers of a foamed layer and a non-foamed layer of the laminated layer to achieve multiple reflection of noise, the foamed layer reduces the density of the sound-insulating component, and the sound of the adjacent two-layer laminated layer
  • the anti-ratio is not matched, so that the effective reflection of the acoustic wave by the layered interface can be improved, and the acoustic energy can be attenuated, and the high-frequency and low-frequency noise can not easily penetrate the sound-insulating component.
  • the sound insulating component has a foamed sub-layer and a non-foamed sub-layer, the density of the material can be reduced, thereby facilitating the overall hardness of the sound-insulating component (the Shore hardness can be close to 75 A), and the sound-insulating component is covered. On the material to be noise-reduced, the contradiction between high sound insulation and material density reduction is solved.
  • the foamed sublayer and the non-foamed sublayer in the layered layer are alternately stacked. Thereby, the reflection effect on noise can be further improved.
  • the layer stack includes at least one of PVC, PU, fluororubber, butadiene rubber, and styrene-butadiene rubber.
  • the laminate layer is formed of PVC. Therefore, the performance of the soundproof assembly can be further improved.
  • the layer stack is formed by a micro-nano lamination technique. Thereby, the laminated layer can be obtained easily.
  • the foamed sub-layer and the non-foamed sub-layer are formed by the same material, after being foamed or not subjected to a foaming treatment.
  • the layered layer has a density of 1.0 to 1.79 g/cm 3 .
  • the laminate layer according to an embodiment of the present invention may have a smaller density and the material texture may be made softer than a conventional PVC material to which a metal powder or an inorganic filler is added.
  • the sound absorbing layer comprises at least one of a damping glue, a polyester cotton, and a sound absorbing felt. Thereby, the performance of the soundproof assembly can be further improved.
  • a plurality of the layered layers and a plurality of the sound absorbing layers are included, and the layered layer and the sound absorbing layer are alternately stacked. Thereby, the performance of the soundproof assembly can be further improved.
  • the laminate layer has a thickness of 0.2 to 3 mm.
  • the layered layer has a thickness of from 0.5 to 2.5 mm.
  • the sound absorbing layer has a thickness of from 1 to 6 mm. Therefore, the noise reduction effect of the soundproof assembly can be further improved.
  • the sound absorbing layer has a thickness of 4-6 mm.
  • the compressor further includes: an intake line and an exhaust line, the suction line and the exhaust line being respectively connected to the compression assembly, the suction line And a surface of at least one of the exhaust lines has a vibration confinement material.
  • the vibration restraining material comprises at least one of silicone rubber and damping rubber, butyl cyanide rubber, ethylene propylene rubber, and butyl cyanide rubber.
  • the vibration-confining material has a plurality of sub-layers stacked in sequence.
  • the compressor is a high speed compressor.
  • Figure 1 shows a schematic structural view of a compressor according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a soundproof assembly according to an embodiment of the present invention.
  • Figure 3 shows a schematic structural view of a laminate layer in accordance with one embodiment of the present invention
  • FIG. 4 is a schematic structural view of a soundproof assembly according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram showing the principle of noise reduction according to an embodiment of the present invention.
  • FIG. 6 shows a schematic diagram of a noise reduction principle according to an embodiment of the present invention
  • Fig. 7 shows the results of the anti-noise test according to Embodiment 1 of the present invention.
  • the invention proposes a compressor.
  • the compressor 1000 includes a soundproof assembly 100, a compression assembly 300, a base 400, and a compressor housing 500.
  • the compressor housing 500 is disposed on the base 400, and the compression assembly 300 is disposed inside the compressor housing 500.
  • a soundproof assembly 100 is disposed on the surface of at least one of the base 400 and the compressor housing 500.
  • the compressor has at least one of the following advantages: light weight, good sound insulation, and high durability of the soundproofing assembly.
  • the soundproof assembly 100 includes a laminate layer 110 and a sound absorbing layer 120.
  • the sound absorbing layer 120 is disposed on the lower surface of the layer stack 110.
  • the layer stack 110 includes a foamed sub-layer 11 and a non-foamed sub-layer 12.
  • the sound insulating unit utilizes a continuous layered interface formed by alternately forming a foamed sub-layer 11 and a non-foamed sub-layer 12 of the laminated layer 110 to achieve multiple reflection of noise.
  • the foamed sub-layer 11 reduces the density of the sound-insulating component 100 and increases the acoustic-impedance ratio between the layers, thereby improving the effective reflection of the sound waves by the layered interface and realizing the attenuation of the acoustic energy, so that the high-frequency noise does not easily penetrate the sound-insulating component 100. .
  • the soundproofing component 100 has the foamed sub-layer 11 and the non-foamed sub-layer 12, the density of the material can be reduced, thereby facilitating obtaining high hardness and facilitating the covering of the sound-insulating component 100 onto the material to be noise-reduced. The contradiction between high sound insulation and reduced material density.
  • the specific material and preparation manner of the layered layer 110 and the sound absorbing layer 120 are not particularly limited, and those skilled in the art can select according to actual conditions.
  • the soundproofing component can realize the characteristics of acoustic impedance mismatch in the laminated layer 110, it is possible to realize multiple reflection of noise.
  • the following is a brief description of the principle of noise reduction and sound insulation for the soundproofing component:
  • the laminated layer 110 is formed of a foamed sub-layer 11 and a non-foamed sub-layer 12, and the foamed sub-layer 11 and the non-foamed sub-layer 12 have different areal densities.
  • the foamed sub-layer 11 and the non-foamed sub-layer 12 may be formed of two different polymer materials or may be formed of the same polymer material: for the same polymer material, after being foamed (for foaming) Sublayer 11) or without foaming treatment (non-foamed sub-layer 12), a laminated foamed sub-layer and a non-foamed sub-layer are formed by a micro-nano lamination technique. At least one continuous layered interface exists in the layer stack 110, that is, an acoustic impedance mismatch characteristic is formed in the layer stack.
  • the soundproof component is In actual use, defects such as cracks and cracks are not formed at the filler due to vibration, material aging and the like, and the durability of the soundproof assembly is affected.
  • the sound absorbing layer 120 has the function of absorbing sound energy and dissipating sound energy, so that the purpose of reducing the transmitted sound energy by absorbing the sound energy can be achieved.
  • the sound absorbing layer 120 may have a porous structure.
  • the soundproofing component does not involve a metal filler harmful to the human body, and thus is more suitable for noise reduction and sound insulation in the field of home appliances.
  • the sound-insulating assembly according to the embodiment of the present invention does not have high-density, heavy-mass filler doping, so that the doping filler is not dropped due to external environment such as vibration during use, and thus has better durability. .
  • the soundproofing assembly uses a combination of sound absorbing (sound absorbing layer 120) and damped noise reduction (layering layer 110), which can significantly reduce low frequency noise, and is more suitable for noise reduction of home appliance compressors.
  • the sound insulating member can be adjusted by adjusting the areal density of the foamed sub-layer 11 and the non-foamed sub-layer 12 in the laminated layer 110. Low noise in different frequency bands, so it can be applied to noise reduction processing of different noise spectrum.
  • the foamed sub-layer 11 and the non-foamed sub-layer 12 in the layered layer 110 may be alternately stacked. Thereby, the reflection effect on noise can be further improved.
  • the laminate layer may be formed of at least one of PVC, PU, fluororubber, butadiene rubber, and styrene-butadiene rubber. Thereby, the performance of the soundproof assembly can be further improved.
  • the foamed sub-layer 11 and the non-foamed sub-layer 12 in the layered layer 110 may be formed of the same material or may be formed of different materials.
  • the thickness of the foamed sub-layer 11 and the non-foamed sub-layer 12 is also not particularly limited.
  • the foamed sub-layer 11 and the non-foamed sub-layer 12 may be set to have a thickness of micrometers. Even the nano level.
  • the layer stack 110 can be prepared using micro-nano lamination techniques. Thereby, the foamed sub-layer 11 and the non-foamed sub-layer 12 having a thickness of the micro-nano level can be easily obtained.
  • the soundproofing assembly according to the embodiment of the present invention relies on different layered structures to form acoustic impedance mismatch characteristics, thereby achieving multiple reflection and noise reduction of noise.
  • the structure in which the multi-layered foamed sub-layer 11 and the non-foamed sub-layer 12 are laminated to each other can be easily formed by one extrusion, and the sound-insulating property of the sound-insulating member can be enhanced.
  • the sound absorbing layer 120 may include at least one of polyester cotton and sound absorbing felt. Thereby, the performance of the soundproof assembly can be further improved.
  • the soundproof assembly may further include a plurality of laminated layers 110 and a plurality of sound absorbing layers 120.
  • the layer stack 110 and the sound absorbing layer 120 are alternately stacked. Referring to Fig. 5, thereby, the performance of the soundproof assembly can be further improved by alternately performing multilayer reflection and absorption noise.
  • the layered layer 110 may have a thickness of 0.2 to 3 mm, for example, may be 0.5 to 2.5 mm.
  • the total number of layers of the foamed sub-layer 11 and the non-foamed sub-layer 12 in the layered layer may be an even number, and may be, for example, 64 layers, 128 layers, or 320 layers.
  • each layer has an average thickness of 0.03125 mm.
  • the laminate layer prepared by the micro-nano laminate of the present invention may have a density of 1.0 to 1.7 9 g/ Cm 3 .
  • the conventional filler-filled acoustic PVC material has a density of about 1.8-2.5 g/cm 3 .
  • the PVC material is flame-retardant, weather-resistant, and soft in texture, which is convenient for coating the compressor.
  • the sound absorbing layer may have a thickness of 4-6 mm.
  • the sound absorbing layer may have a thickness of 5 mm.
  • the parameters such as the thickness and density of the sound absorbing layer 120 and the layer stack 110, those skilled in the art can adjust the parameters according to the noise frequency, the sound absorbing layer 120, and the material of the layer stack 110 which are required to be reduced.
  • the soundproof assembly adopts the principle of combining reflection and absorption to achieve noise transmission blocking, and adopts a foamed sublayer/non-foamed sublayer alternate structure in the laminated layer.
  • the transmission acoustic energy of the operation is reduced by reflection without increasing the overall density of the material.
  • the soundproofing amount can reach 25 dB at 100-1000 Hz.
  • the soundproof assembly has at least one of the advantages of low cost, light weight, good sound insulation effect, high durability and the like.
  • the specific position and arrangement of the soundproof assembly 100 on the base 400 and the compressor housing 500 are not particularly limited.
  • the soundproofing assembly described above may be provided at a portion where the compressor emits noise, such as a surface of a base, a compressor casing, or the like, by means of sticking, coating, or the like, to form a soundproofing assembly.
  • the soundproofing assembly can realize soundproofing of the soundproofing assembly by adjusting parameters such as the number of layers, material, and areal density of the foamed sublayer 11 and the non-foamed sublayer 12 contained in the layered layer 110. Adjustment, therefore, at the different positions of the compressor, the above-described soundproofing assembly having different soundproofing audio can be provided, so that the noise emitted by the compressor can be further reduced.
  • the compressor further includes an intake line 600 and an exhaust line 700.
  • the suction line 600 and the exhaust line 700 are each coupled to a compression assembly 300.
  • a surface of at least one of the suction line 600 and the exhaust line 700 is provided with a vibration confinement material.
  • the vibration restraining material may include silicone rubber and at least one of a damping rubber, a butyl cyanide rubber, an ethylene propylene rubber, and a butyl cyanide rubber.
  • the vibration-confining material may have a plurality of sub-layers stacked in sequence.
  • the vibration-constraining material may be made of a material such as a damping rubber or a butyl cyanide rubber to form the same structure as the laminated layer 110 described above.
  • the vibration-constraining material may also include a structure in which a plurality of foamed sub-layers and non-foamed sub-layers are alternately laminated, and the material forming the foamed sub-layer and the material forming the non-foamed sub-layer may be the same, Can be different.
  • the inventors have found through a large number of experiments that in the air suction line 600 and the exhaust line 700, etc., it is possible to emit a portion caused by vibration of the pipeline, and the vibration restraining material formed by the above-mentioned damping material having a wide temperature range can be provided. It can effectively alleviate the noise caused by vibration.
  • the vibration-constraining material used in the compressor according to the embodiment of the present invention has a wider temperature region than the compressor currently using a damping damping material such as asphalt, and can obtain a more excellent environment in a high-low temperature alternating environment. Damping noise reduction effect. Further, the vibration-constraining material formed of the above polymer material has a smaller hardness and more excellent durability than the asphalt material.
  • the compressor may be a high speed compressor.
  • the rotation speed of the high-speed compressor is much higher than that of the ordinary compressor, so the bulk noise of the whole compressor is also relatively increased, and it is difficult to improve the noise reduction in the structure.
  • the acoustical assembly can be disposed on the entire interior surface of the compressor housing 500 or over the outer surface of the compressor housing 500.
  • a sound insulating member composed of a laminated layer composed of PVC and a sound absorbing layer composed of polyester cotton may be coated on the outer surface of the compressor casing 500.
  • the number of layers of the laminate layer composed of PVC may be 32 to 1024 layers, and the density may be in the range of 1.2 to 1.72 g/cm 3 .
  • a laminated layer composed of fluororubber and butyl cyanide rubber may be coated on the outer surface of the base 400.
  • the surfaces of the intake duct 600 and the exhaust duct 700 may be coated with a vibration-constraining material having a laminated structure composed of rubber.
  • the compressor can further improve the noise reduction function of the compressor by using a combination of a soundproofing assembly (layering layer and sound absorbing layer) and a vibration restraining material in a group and noise reduction mode.
  • a laminate layer having a thickness of 1.5 mm, including 64 sublayer structures (1#), a laminate layer having a thickness of 1.5 mm, including 32 sublayer structures (2#), and a thickness of 2.5 mm were prepared.
  • a layered layer stack comprising 64 layers of sublayer structure (3#).
  • the density of 1#, 2#, and 3# is 1.2-1.72 g/cm 3 , and the hardness of the material is 68-75 A.
  • a single layer material having a thickness of 2.5 mm was prepared using PVC as a raw material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Compressor (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

Un compresseur comprend : une base (400) ; un boîtier (500) ; un ensemble de compression (300) ; et un ensemble d'isolation sonore (100). L'ensemble d'isolation sonore (100) est disposé au niveau d'une surface de la base (400) et/ou du boîtier (500). L'ensemble d'isolation sonore (100) comprend : une couche de superposition (110) comprenant une sous-couche de mousse (11) et une sous-couche non de mousse (12) ; et une couche phono-absorbante (120) disposée au niveau d'une surface inférieure de la couche de superposition (110).
PCT/CN2017/088771 2017-01-06 2017-06-16 Compresseur Ceased WO2018126611A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710009819.8 2017-01-06
CN201710009819.8A CN106837743A (zh) 2017-01-06 2017-01-06 压缩机

Publications (1)

Publication Number Publication Date
WO2018126611A1 true WO2018126611A1 (fr) 2018-07-12

Family

ID=59117989

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/088771 Ceased WO2018126611A1 (fr) 2017-01-06 2017-06-16 Compresseur

Country Status (2)

Country Link
CN (1) CN106837743A (fr)
WO (1) WO2018126611A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106837743A (zh) * 2017-01-06 2017-06-13 美的集团股份有限公司 压缩机
WO2020107365A1 (fr) * 2018-11-30 2020-06-04 Henkel Ag & Co. Kgaa Source de bruit et procédé de réduction de bruit pour source de bruit
CN109945535A (zh) * 2019-03-11 2019-06-28 西华大学 一种暖通工程用制冷系统
CN112324666A (zh) * 2020-11-05 2021-02-05 湖南常通压缩机有限公司 一种密封性好的螺杆压缩机

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544777A (ja) * 1991-08-09 1993-02-23 Sharp Corp 吸振装置
CN201672645U (zh) * 2010-04-02 2010-12-15 广州市延昌新型塑胶制品有限公司 一种空调压缩机中频隔音罩
US8336672B2 (en) * 2006-01-18 2012-12-25 Bard Manufacturing Company Air treatment and sound reduction system
JP2013194673A (ja) * 2012-03-22 2013-09-30 Mitsubishi Heavy Ind Ltd 電動圧縮機
CN204783543U (zh) * 2015-07-09 2015-11-18 重庆美的通用制冷设备有限公司 用于压缩机的隔音箱和压缩机组件
CN204829098U (zh) * 2015-08-17 2015-12-02 成都迈科新材料有限公司 一种化工管道隔音减振结构件
CN105275782A (zh) * 2015-11-10 2016-01-27 株洲时代新材料科技股份有限公司 一种空调压缩机噪声控制装置
CN105485794A (zh) * 2015-12-25 2016-04-13 广东美的制冷设备有限公司 压缩机组件、室外机及空调器
CN106679238A (zh) * 2017-01-06 2017-05-17 美的集团股份有限公司 隔音材料、压缩机以及空调
CN106837743A (zh) * 2017-01-06 2017-06-13 美的集团股份有限公司 压缩机
CN106827694A (zh) * 2017-01-06 2017-06-13 美的集团股份有限公司 隔声材料及其应用

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008169812A (ja) * 2007-01-15 2008-07-24 Daikin Ind Ltd 防音断熱シート
CN201746500U (zh) * 2010-08-24 2011-02-16 夏超华 一种隔音胶粘带
CN203895111U (zh) * 2013-12-13 2014-10-22 李巍巍 一种具有吸声隔声结构的复合材料
CN205372802U (zh) * 2016-01-29 2016-07-06 广东美的制冷设备有限公司 分体立式室内机及空调系统

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544777A (ja) * 1991-08-09 1993-02-23 Sharp Corp 吸振装置
US8336672B2 (en) * 2006-01-18 2012-12-25 Bard Manufacturing Company Air treatment and sound reduction system
CN201672645U (zh) * 2010-04-02 2010-12-15 广州市延昌新型塑胶制品有限公司 一种空调压缩机中频隔音罩
JP2013194673A (ja) * 2012-03-22 2013-09-30 Mitsubishi Heavy Ind Ltd 電動圧縮機
CN204783543U (zh) * 2015-07-09 2015-11-18 重庆美的通用制冷设备有限公司 用于压缩机的隔音箱和压缩机组件
CN204829098U (zh) * 2015-08-17 2015-12-02 成都迈科新材料有限公司 一种化工管道隔音减振结构件
CN105275782A (zh) * 2015-11-10 2016-01-27 株洲时代新材料科技股份有限公司 一种空调压缩机噪声控制装置
CN105485794A (zh) * 2015-12-25 2016-04-13 广东美的制冷设备有限公司 压缩机组件、室外机及空调器
CN106679238A (zh) * 2017-01-06 2017-05-17 美的集团股份有限公司 隔音材料、压缩机以及空调
CN106837743A (zh) * 2017-01-06 2017-06-13 美的集团股份有限公司 压缩机
CN106827694A (zh) * 2017-01-06 2017-06-13 美的集团股份有限公司 隔声材料及其应用

Also Published As

Publication number Publication date
CN106837743A (zh) 2017-06-13

Similar Documents

Publication Publication Date Title
WO2018126611A1 (fr) Compresseur
CN106679238A (zh) 隔音材料、压缩机以及空调
CN207458569U (zh) 隔音板和隔音罩
CN111256215A (zh) 噪音源及噪音源的降噪方法
CN103738037A (zh) 一种中低频隔声隔热复合壁板
JP2011043553A (ja) 吸音体
CN107558622A (zh) 一种降噪隔声复合板
CN100460247C (zh) 隔音罩
CN209482506U (zh) 声阻消声体
CN213297747U (zh) 一种超构材料隔声门
CN101862707A (zh) 用于离心机的低噪声转子腔
CN109210757A (zh) 一种含多层吸声材料的隔音棉及压缩机
JP2012053434A (ja) 低周波吸音材
CN202948717U (zh) 一种消音结构
CN201804554U (zh) 一种隔音垫及家用电器
CN106827694B (zh) 隔声材料及其应用
CN112049774B (zh) 压缩机降噪装置及方法
JP7705330B2 (ja) 吸音材
CN223330141U (zh) 一种装饰隔声吸声结构
WO2021140448A1 (fr) Mat multicouche
CN114787909A (zh) 包括隔热且隔音产品和位于正面处的膜的隔热且隔音组件
RU213331U1 (ru) Шумоизоляционный чехол для запорно-регулирующей арматуры, участков трубопроводов и иного промышленного оборудования
CN113968055A (zh) 一种管道专用阻燃隔音复合材料及其制备方法和应用
RU213296U1 (ru) Шумоизоляционный чехол для запорно-регулирующей арматуры, участков трубопроводов и иного промышленного оборудования
CN200947346Y (zh) 新型宽频复合吸声板

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17889704

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17889704

Country of ref document: EP

Kind code of ref document: A1