CN105275782B - A kind of compressor of air conditioner oise damping means - Google Patents

A kind of compressor of air conditioner oise damping means Download PDF

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Publication number
CN105275782B
CN105275782B CN201510766053.9A CN201510766053A CN105275782B CN 105275782 B CN105275782 B CN 105275782B CN 201510766053 A CN201510766053 A CN 201510766053A CN 105275782 B CN105275782 B CN 105275782B
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China
Prior art keywords
side wrap
seal
wrap part
compressor
top cover
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CN105275782A (en
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夏博雯
傅亮
黄磊
贺才春
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Abstract

The invention discloses a kind of oise damping means of compressor of air conditioner, it is characterised in that including:Insulate against sound top cover and sound insulation side wrap part;Wherein sound insulation top cover includes:Closure body and inside of top cover seal;Sound insulation side wrap part includes:Side wrap part main body, side wrap part both sides sealing part, side wrap part top edge seal and bottom and bottom plate seal;The sound insulation top cover and sound insulation side wrap part include absorbent treatment and sound insulating layer, and absorbent treatment is towards compressor of air conditioner, and sound insulating layer is towards external environment condition.The device is an acoustic hood for having wrapped up compressor of air conditioner after installing, and good sealing has been carried out to each fixing clearance.The compressor of air conditioner oise damping means that the present invention is provided is sealed by the place for increasing top cover, being sealed and being connected to side wrap part main body with air-conditioning bottom plate to the top and bottom shear side of acoustic hood with seal, greatly improves the sound insulation property to oise damping means.

Description

A kind of compressor of air conditioner oise damping means
Technical field
The present invention relates to air-conditioning noise control field, a kind of compressor of air conditioner oise damping means is particularly related to.
Background technology
In recent years, due to the lifting of quality of life, in field of air conditioning, the noise objective of product is most important as one Technical requirements.The noise level of air-conditioning products affects the purchase of consumer to a certain extent.Therefore air-conditioning noise is increasingly By the extensive concern of main frame producer.
The noise of compressor in air-conditioning unit is protruded the most, and the noise source and composition of compressor are complex, including knot The electromagnetic noise that structure noise, aerodynamic noise and motor are produced.With reference to lower section citation file [1]-[7], it can be clearly seen that, in sky Field of noise control is adjusted, that currently mainly studies is related to the optimization noise reduction of compressor arrangement, and uses what sound absorption was combined Mode noise reduction, but in the research of many sound absorption compound sound-proof housing noise reductions, the function and performance in material are concentrated on mostly, The overall performance of acoustic hood does not reach preferably level.
A kind of air-conditioning is this document disclose referring to [1] noise reducing device for air conditioner compressor [P] China .U.CN 201916150. Noise-reduce device for compressor, applied to the soundproof rubber on rail traffic vehicles air-conditioning equipment, including outside compressor housing Plate, cystosepiment and the aluminium foil outside cystosepiment outside rubber slab for sound-absorbing.Outside compressor housing also Wrapping can further be installed additional, to reduce vibration noise.
A kind of sky is this document disclose referring to [2] air-conditioner host heat-insulation noise-reduction structure [P] China .U.CN 203147998. Main frame heat-insulation noise-reduction structure is adjusted, includes housing, cover plate and the compressor of air conditioner for being installed on enclosure interior of air-conditioner host, the pressure Contracting machine outer wrap, which has, is also equipped with heat-insulation noise-reduction layer on the inside of heat-insulation noise-reduction layer, the cover plate.Heat-insulation noise-reduction layer is by rubber and plastic sea Continuous plate is constituted.
It is adapted to integrated air energy water heater and its energy-saving and noise-reducing method [P] China that interior is used referring to [3] .A.CN104344553. integrated air energy water heater and its energy-saving and noise-reducing side that a kind of suitable interior is used be this document disclose Method.The device includes housing, evaporator, noise-reduction fan, compressor and storage tank.It is characterized in that inner walls are inhaled provided with one Sound-absorbing layer;Housing front panel is provided with active window and control panel, and side of the active window in housing is provided with fan housing, fan housing Inside is fixed with noise-reduction fan after being equipped with evaporator, evaporator;Mended after noise-reduction fan and be provided with storage tank, compressor, which is fixed on, to be set Have on the bottom plate of air outlet, have outside compressor and the second absorbent treatment is provided with inside acoustic hood, acoustic hood;From active window in housing Mouth, noise-reduction fan to compressor, air outlet arrive hull outside and constitute air flue for energy-saving and noise-reducing again.
It this document disclose referring to compressor noise-reduction structure [P] China .U.CN 202360344. of [4] double acoustic cover A kind of compressor noise-reduction structure of use double acoustic cover, specifically for reducing vibration and the noise of compressor, belongs to and subtracts Shake noise reduction technology field.
Disclosed referring to a kind of [5] air-conditioner outdoor unit [P] China this documents of .U.CN 203561007. with denoising device A kind of noise reduction cover body for absorbing the noise that compressor is produced, and noise reduction cover body is provided with some micropores or slit, micropore and drop The air layer outside cover body of making an uproar forms multiple Helmholtz resonators in parallel, when compressor resonant frequency and the resonant frequency of system When consistent, the air through noise reduction cover body micropore produces fierce vibration friction, so as to strengthen sound-absorbing benefit, forms absorption Peak, makes the aobvious acute decay of acoustic energy;Due to using micropore, micropore is thin and close, therefore acoustic resistance is big and acoustic mass is small, therefore acoustic resistance and acoustic mass Difference than larger, acoustically effective is good.
Should referring to the denoising device and air-conditioner outdoor unit [P] China .U.CN 202734091. of a kind of [6] air-conditioner outdoor unit One layer of flexible material that file discloses a kind of puigging being arranged on outside compressor and is coated on outside gas-liquid separator. Its puigging uses cotton-wadded quilt, and absorbing sound by cotton-wadded quilt reaches noise reduction.Flexible material be clay or felt, thickness be 2~ 3mm;Clay then uses butyl system non-drying clay, can remain viscous pasty state, changes the intrinsic frequency of qi leel, and reduction is shaken It is dynamic, so as to reduce noise;And felt is then to reduce noise by sound-absorbing.Flexible material is in close contact completely with compressor, no By air-conditioning heating and refrigeration, the temperature of qi leel is in the range of 1~13 DEG C, and no high temperature can make clay melt obscission.
Referring to a kind of [7] heat-recovery multi-connected air conditioning group noise-reduce device for compressor [P] China .U.CN 203349466. A kind of noise-reduce device for compressor is this document disclose, including is arranged at the soundproof rubber layer outside compressor housing, outside rubber layer Aluminium sheet outside the sound-absorbing spongy layer in portion, spongy layer and the reclaimed rubber plate outside aluminium sheet.
The content of the invention
In view of this, it is an object of the invention to propose a kind of equipment of effective barrier compressor of air conditioner noise.
The oise damping means of the compressor of air conditioner provided based on the above-mentioned purpose present invention, including:Sound insulation top cover and sound insulation Side wrap part;Wherein sound insulation top cover includes:Closure body and inside of top cover seal;Sound insulation side wrap part includes:Sideways Wrap member main body, side wrap part both sides sealing part, side wrap part top edge seal and bottom and bottom plate seal;
The closure body is a flat cylinder without bottom surface, and the inside of top cover seal is along along closure body Side is installed, and side wrap part main body expansion is a rectangle, a rectangular long side edge be provided with it is described One group of relative short side edge is provided with the short side etc. in the isometric side wrap part top edge seal in long side, rectangle Long side wrap part both sides sealing part, by side wrap part main body be rolled into one using its deploy duration side be used as bottom edge Hollow cylinder, wherein the side wrap part both sides sealing part is used to bond one group of short side, closure body, which is covered, to be spooled In side wrap part main body so that the inside of top cover seal and side wrap part top edge seal of closure body medial surface glue Merge sealing, bottom is sealed with the place that bottom plate seal is connected to side wrap part main body lower edge with air-conditioning bottom plate;
The sound insulation top cover and sound insulation side wrap part include absorbent treatment and sound insulating layer, and absorbent treatment is towards air conditioner compressed Machine, sound insulating layer is towards external environment condition.
In some embodiments, the bottom and bottom plate seal are strip magnetic rubber bar, be sideways L-shaped or U-shaped.
In some embodiments, the U-shaped bottom and bottom plate seal, the bottom of its U-shaped has width to be not less than 10mm Plane.
In some embodiments, at least two tops are offered on the closure body and cross line shearing side, the sound insulation Top cover also crosses wire seal including at least two top covers.
In some embodiments, the side wrap part main body is provided with bottom close to the position of bottom and crosses line shearing Side, the sound insulation side wrap part also crosses line shearing side seal including at least one bottom.
In some embodiments, the top cover crosses wire seal, bottom and crosses line shearing side seal, inside of top cover sealing Part and side wrap part top edge seal are made up of nylon adherent buckle or jointing tape.
In some embodiments, the absorbent treatment is constituted using felt or PET, and its density is 15~20kg/m3, Thickness is 5~10mm, and the sound insulating layer is constituted using rubber slab or PVC leathers, and its density is 1200~1500kg/m3, thick Spend for 1.5mm~2.5mm.
From the above it can be seen that the compressor of air conditioner oise damping means that the present invention is provided is by increasing top cover, use Seal is sealed to the top and bottom shear side of acoustic hood and side wrap part main body is connected with air-conditioning bottom plate Place is sealed, and greatly improves the sound insulation property to oise damping means.
Also, the compressor of air conditioner oise damping means that the present invention is provided, according to already installed on compressor of air conditioner Pipeline was provided with line shearing side on sound insulation top cover and sound insulation side wrap part respectively, therefore, it is possible to realize the purpose of high-efficient noise-reducing And the connecting line and erection sequence of original compressor need not be adjusted, and by corresponding seal configuration design from And good noise reduction is realized, the more conventional acoustic hood noise reduction of the acoustic hood made using the present invention lifts at least 3dB More than.
Simultaneously because there is more releasable member, also conveniently it can overhaul and safeguard.
Brief description of the drawings
Insulate against sound capping top view in a kind of oise damping means embodiment for compressor of air conditioner that Fig. 1 provides for the present invention;
Insulate against sound top cover front view in a kind of oise damping means embodiment for compressor of air conditioner that Fig. 2 provides for the present invention;
Insulate against sound side wrap part knot in a kind of oise damping means embodiment for compressor of air conditioner that Fig. 3 provides for the present invention Structure schematic diagram;
In a kind of oise damping means embodiment for compressor of air conditioner that Fig. 4 provides for the present invention in sound insulation side wrap part Line shearing side partial enlargement structural representation is crossed in bottom;
The knot of compressor acoustic hood in a kind of oise damping means embodiment for compressor of air conditioner that Fig. 5 provides for the present invention Structure schematic diagram;
Acoustic hood is air conditioner compressed in a kind of oise damping means embodiment for compressor of air conditioner that Fig. 6 provides for the present invention Mounting structure schematic diagram on machine.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference Accompanying drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention The entity of individual same names non-equal or the parameter of non-equal, it is seen that " first " " second " should not only for the convenience of statement The restriction to the embodiment of the present invention is interpreted as, subsequent embodiment no longer illustrates one by one to this.
The knot of compressor acoustic hood in a kind of oise damping means embodiment for compressor of air conditioner that Fig. 5 provides for the present invention Structure schematic diagram, as shown in figure 5, a kind of oise damping means of compressor of air conditioner of the present invention, including:Insulate against sound top cover and every Sound side wrap part two large divisions constitutes.
Sound insulation top cover includes:Closure body 1 and inside of top cover seal 2;Sound insulation side wrap part includes:Side wrap part Main body 4, side wrap part both sides sealing part 5, side wrap part top edge seal 6 and bottom and bottom plate seal 8.
Insulate against sound top cover in refer to the attached drawing 1, a kind of oise damping means embodiment of the compressor of air conditioner provided for the present invention Top view.
The closure body 1 is a flat cylindrical shape without bottom surface.According to different compressor of air conditioner air inlet pipe, The position of escape pipe and various circuit pipelines, at least two tops are offered on the closure body 1 and cross line shearing side 10, Each top crosses line shearing side 10 and includes wire through hole on top 101 and top sheared edge 102, the top sheared edge 102 from The wire through hole on top 101, which is cut off and cut close to the position at the edge of closure body 1, passes to the side lower edge of closure body 1, such as accompanying drawing 2 It is shown.The top cover, which crosses wire seal 3, to be used to seal the top sheared edge 102, prevents compressor of air conditioner from passing through the top Sheared edge 102 reveals noise.
Insulate against sound top cover in refer to the attached drawing 2, a kind of oise damping means embodiment of the compressor of air conditioner provided for the present invention Front view.
Medial surface of the inside of top cover seal 2 along closure body 1 is installed, and can be double sided adhesive tape or nylon The public band or master tape of thread gluing, are sealed for coordinating with side wrap part top edge seal 6 in the present embodiment, if running into institute Top sheared edge 102 is stated, inside of top cover seal 2 will also be cut off along it.When the pipeline of compressor of air conditioner has been installed, We, which can not only beat wire through hole on top 101, allows pipeline to pass through the hole, so, separated one along the top sheared edge 102 Breach, you can the pipeline of compressor of air conditioner is placed into wire through hole on top 101 along the breach, subsequent installation is carried out again afterwards, this Allow for the present invention and realizing the purpose of noise reduction simultaneously, it is not necessary to which the connecting line and erection sequence of original compressor are adjusted It is whole to complete the installation of oise damping means.
Preferably, the sound insulation top cover also crosses wire seal 3 including at least two top covers, the top sheared edge is attached to On 102, sealed for crossing line shearing side 10 to top.
Further, the closure body shape in the present embodiment is circle, also can be according to air conditioner compressed in practical operation The shape of machine is adjusted;Equally, the wire through hole on top 101 in the present embodiment is that circle also can be according to air-conditioning in practical operation Compressor Pipes shape is walked wire shaped and is adjusted.
Insulated against sound sideways in refer to the attached drawing 3, a kind of oise damping means embodiment of the compressor of air conditioner provided for the present invention Wrap member structural representation.
The side wrap part main body 4 expansion is a rectangle, a rectangular long side edge be provided with it is described The isometric side wrap part top edge seal 6 in long side, the side wrap part top edge seal 6 can be double-sided adhesive gum deposit The public band or master tape of band or nylon adherent buckle, are sealed for coordinating with the inside of top cover seal 2.It is relative in rectangle One group of short side edge the side wrap part both sides sealing part 5 isometric with the short side is installed, by side wrap part main body volume 4 Deploy duration side as the cylinder of base circumference into one using it, wherein the side wrap part both sides sealing part 5 is used to glue Close one group of short side.The side wrap part both sides sealing part 5 can be double sided adhesive tape, or nylon adherent buckle public band And master tape, wherein public band and master tape are respectively arranged in one group of short side edge, and make public band and master tape in side wrap part master It is located at its positive and negative both sides when body 4 deploys, therefore can be bonded to each other when rolling.Bottom is strip magnetic rubber with bottom plate seal 8 Adhesive tape, its side view is L-type or U-shaped, and the width of itself and base plate contact surface is not less than 10mm.
Insulated against sound sideways in refer to the attached drawing 4, a kind of oise damping means embodiment of the compressor of air conditioner provided for the present invention Line shearing side partial enlargement structural representation is crossed in bottom in wrap member.
The side wrap part main body 4 is provided with bottom close to the position of bottom and crosses line shearing side 9, and line shearing side is crossed in bottom 9 include bottom cable-through hole 91 and the bottom shear side 92 cut off from the bottom margin of side wrap part main body 4, air conditioner compressed When the pipeline or circuit of machine have been in a fixed position, incited somebody to action while side wrap part main body 4 can be wrapped to compressor of air conditioner The pipeline is routed through side wrap part main body 4.This design causes the present invention simultaneously, to be not required in the purpose for realizing noise reduction The installation of oise damping means can be completed by the connecting line and erection sequence of original compressor being adjusted, simultaneously because There is more releasable member, also conveniently can overhaul and safeguard.
Preferably, the sound insulation side wrap part also crosses line shearing side seal 7 including at least one bottom, it is attached to described On bottom shear side 92, sealed for crossing line shearing side 9 to bottom.
The appearance that a kind of oise damping means of compressor of air conditioner of the present invention is installed is one with cover and do not have Have in the cylinder of bottom surface, refer to the attached drawing 5, a kind of oise damping means embodiment of the compressor of air conditioner provided for the present invention and press The structural representation of contracting machine acoustic hood.
Preferably, the sound insulation top cover and sound insulation side wrap part include absorbent treatment and sound insulating layer two parts, absorbent treatment Towards compressor of air conditioner, it is used to absorb compressor noise in the outside communication process of compressor noise, its sound-absorbing principle It is sound wave in sound-absorbing porous material, because of friction and viscosity resistance, acoustic energy is converted into thermal energy consumption and dissipated, so as to reach sound absorption Purpose.Sound insulating layer is towards external environment condition, for further being obstructed to compressor by the noise after absorbent treatment, when sound is passed The sound insulating layer passed, because the mutation of medium causes a big chunk acoustic energy to reflect, only a fraction acoustic energy pass through every Sound layer, therefore obstructed in compressor noise to formation on the route of transmission of external radiation and reduce noise.Wherein, the absorbent treatment is adopted Constituted with felt or PET, its density is 15~20kg/m3, thickness is 5~10mm, the sound insulating layer using rubber slab or Person PVC leathers are constituted, and its density is 1200~1500kg/m3, and thickness is 1.5mm~2.5mm.
In the course of work, the oise damping means installation process for the compressor of air conditioner that the present invention is provided is as follows:
Acoustic hood exists in refer to the attached drawing 6, a kind of oise damping means embodiment of the compressor of air conditioner provided for the present invention Mounting structure schematic diagram on compressor of air conditioner.
Side wrap part main body 4 is wrapped compressor of air conditioner first, and with side wrap part both sides sealing part 5 by side Face wrap member main body 4 is fixed into cylindrical shape and is fixed with side wrap part both sides sealing part 5, wherein equipped with side wrap part Upward, compressor of air conditioner bottom conduit can pass through bottom cable-through hole 91 by bottom shear side 92 at the edge of top edge seal 6. Then, sound insulation top cover is arranged on above sound insulation side wrap part, it is near respectively because sound insulation top cover material is soft The top sheared edge 102 that line shearing side 10 is crossed at few two tops is formed separately breach, you can manage the top 12 of compressor of air conditioner The curb breach is placed into wire through hole on top 101, and breach is closed afterwards.By all pipelines installed above compressor of air conditioner After all passing through closure body 1, by the top sheared edge for continuing to cross closure body 1 along any one top line shearing side 10 102 are formed separately breach, cover closure body 1 be rolled into barrel-shaped side wrap part main body 4 in such a state, Then breach is closed and presses a circle side edge of closure body 1 so that the inside of top cover seal of the medial surface of closure body 1 2 and side wrap part top edge seal 6 bond and seal.Top is cut next, crossing wire seal 3 with least two top covers The meeting that trimming 102 is formed causes the gap of leakage sound to be sealed, and line shearing 92 shapes when seal 7 is by bottom shear are crossed with bottom Into meeting cause the gap of leakage sound to be sealed.
Preferably, the bottom can select the strip magnetic rubber bar that side is L-type with bottom plate seal 8, and it is grown Degree is equal to the bottom surface girth after side wrap part main body 4 is installed, and its one side is adhered into side perpendicular to air-conditioning bottom plate 11 wraps The bottom sidewall of part main body 4 is wrapped up in, another side is mutually adsorbed with air-conditioning bottom plate 11 by magnetic force, you can sealed with bottom plate using bottom The place that part 8 is connected to side wrap part main body 4 with air-conditioning bottom plate 11 is sealed.
Preferably, the bottom also can select the strip magnetic rubber bar that side is U-shaped, side U with bottom plate seal 8 The plane that width is not less than 10mm is arranged at the bottom of shape, and the length of the strip magnetic rubber bar of U-shaped is equal to side wrap part master Body 4 install after bottom surface girth, the lower edge of side wrap part main body 4 is fixed in U-shaped groove, and bottom width is not Plane less than 10mm is mutually adsorbed with air-conditioning bottom plate 11 by magnetic force, you can utilize bottom and the offside bread of bottom plate seal 8 The place that part main body 4 is connected with air-conditioning bottom plate 11 is wrapped up in be sealed.
In practical operation, the big I of the sound insulation side wrap part and sound insulation top cover is according to the air conditioner compressed of different model Machine is adjusted accordingly.
From above-described embodiment as can be seen that the oise damping means for the compressor of air conditioner that the present invention is provided passes through in air-conditioning pressure Hermetically sealed sound-insulating acoustic hood is set outside contracting machine, the noise of compressor of air conditioner can be effectively reduced.In the process of actually research and development In, it is different to prove to carry out the compressor of air conditioner oise damping means that the present invention is provided that inventor has also carried out a series of experiments Different noise reduction lifting demands can be realized during seal combination.Specific data are as follows:
Unencryption is sealed, and noise reduction is 8dB;
Plus after top cover, noise reduction is 9dB,
After being sealed plus bottom L-type, noise reduction is 11dB,
After the seal of bottom shear side, noise reduction is 11.5dB.
It can be seen that from this group of experimental data, increase sealing can significantly improve the Noise measarement of the oise damping means Performance.
Those of ordinary skills in the art should understand that:The discussion of any of the above embodiment is exemplary only, not It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples;Under the thinking of the present invention, above example Or can also not be combined between the technical characteristic in be the same as Example, and there is the different aspect of the present invention as described above Many other changes, in order to it is concise they provided not in details.Therefore, within the spirit and principles of the invention, Any omission, modification, equivalent substitution, improvement for being made etc., should be included in the scope of the protection.

Claims (9)

1. a kind of oise damping means of compressor of air conditioner, it is characterised in that including:Insulate against sound top cover and sound insulation side wrap part; Wherein sound insulation top cover includes:Closure body (1) and inside of top cover seal (2);Sound insulation side wrap part includes:Side wrap part Main body (4), side wrap part both sides sealing part (5), side wrap part top edge seal (6) and bottom and bottom plate seal (8);
The closure body (1) is a flat cylinder without bottom surface, and the inside of top cover seal (2) is along closure body (1) medial surface is installed, and side wrap part main body (4) expansion is a rectangle, rectangular long side edge peace Equipped with the side wrap part top edge seal (6) isometric with the long side, one group of relative short side edge is installed in rectangle There is the side wrap part both sides sealing part (5) isometric with the short side, side wrap part main body (4) is rolled into one is deployed with it Duration side as bottom edge hollow cylinder, wherein the side wrap part both sides sealing part (5) be used for bond described one group Short side, closure body (1) is covered in the side wrap part main body (4) spooled so that the inside of top cover of closure body (1) medial surface Seal (2) and side wrap part top edge seal (6) are bonded and sealed, and bottom is with bottom plate seal (8) to side wrap The place that part main body (4) lower edge is connected with air-conditioning bottom plate (11) is sealed;
The sound insulation top cover and sound insulation side wrap part include absorbent treatment and sound insulating layer, absorbent treatment towards compressor of air conditioner, every Sound layer is towards external environment condition.
2. device according to claim 1, it is characterised in that the bottom is strip magnetic with bottom plate seal (8) Rubber strip, is L-shaped or U-shaped sideways.
3. device according to claim 2, it is characterised in that the U-shaped bottom and bottom plate seal (8), the bottom of its U-shaped There is the plane that width is not less than 10mm in portion.
4. the device according to any one in claim 1-3, it is characterised in that offered on the closure body (1) Line shearing side (10) are crossed at least two tops, and the sound insulation top cover also crosses wire seal (3) including at least two top covers.
5. the device according to any one in claim 1-3, it is characterised in that the side wrap part main body (4) is leaned on The position of nearly bottom is provided with bottom and crosses line shearing side (9), and the sound insulation side wrap part also crosses line including at least one bottom Sheared edge seal (7).
6. device according to claim 5, it is characterised in that the top cover crosses wire seal (3), bottom and crosses line shearing side Seal (7), inside of top cover seal (2) and side wrap part top edge seal (6) are by nylon adherent buckle or jointing tape structure Into.
7. the device according to any one in claims 1 to 3,6, it is characterised in that the absorbent treatment using felt or PET is constituted, and its density is 15~20kg/m3, and thickness is 5~10mm, and the sound insulating layer uses rubber slab or PVC leathers Constitute, its density is 1200~1500kg/m3, thickness is 1.5mm~2.5mm.
8. device according to claim 4, it is characterised in that the absorbent treatment is constituted using felt or PET, and its is close Spend for 15~20kg/m3, thickness is 5~10mm, the sound insulating layer is constituted using rubber slab or PVC leathers, and its density is 1200~1500kg/m3, thickness is 1.5mm~2.5mm.
9. device according to claim 5, it is characterised in that the absorbent treatment is constituted using felt or PET, and its is close Spend for 15~20kg/m3, thickness is 5~10mm, the sound insulating layer is constituted using rubber slab or PVC leathers, and its density is 1200~1500kg/m3, thickness is 1.5mm~2.5mm.
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CN106837743A (en) * 2017-01-06 2017-06-13 美的集团股份有限公司 Compressor
CN108571439A (en) * 2017-03-08 2018-09-25 青岛经济技术开发区海尔热水器有限公司 Compressor module and electric appliance for heat pump
CN109404254A (en) * 2018-09-30 2019-03-01 青岛海尔空调电子有限公司 A kind of compression set and multi-line system
CN111577577B (en) * 2020-04-26 2022-07-05 株洲时代新材料科技股份有限公司 Sound insulation cover, design method of sound insulation cover and sound insulation method of compressor

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JPH02108873A (en) * 1988-10-14 1990-04-20 Matsushita Electric Ind Co Ltd Air conditioner
JPH02140472A (en) * 1988-11-21 1990-05-30 Toshiba Corp Compressor coating method and coated structure thereof
FR2876165B1 (en) * 2004-10-05 2006-12-01 Danfoss Commercial Compressors COMPRESSOR FOR COMPRESSING FLUID FOR A REFRIGERATION OR AIR CONDITIONING FACILITY
US9388731B2 (en) * 2013-03-15 2016-07-12 Kohler Co. Noise suppression system
CN203892146U (en) * 2014-06-06 2014-10-22 河南工业大学 Sound attenuation device

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