CN104061631A - Air conditioning outdoor unit denoising structure and air conditioner comprising denoising structure - Google Patents
Air conditioning outdoor unit denoising structure and air conditioner comprising denoising structure Download PDFInfo
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- CN104061631A CN104061631A CN201410261177.7A CN201410261177A CN104061631A CN 104061631 A CN104061631 A CN 104061631A CN 201410261177 A CN201410261177 A CN 201410261177A CN 104061631 A CN104061631 A CN 104061631A
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Abstract
The invention discloses an air conditioning outdoor unit denoising structure and an air conditioner comprising the denoising structure. The air conditioning outdoor unit denoising structure comprises a sound absorption layer and multiple vibration damping parts; the sound absorption layer is arranged on the inner side of a shell of the air conditioning outdoor unit; an air layer is formed by a clearance between the sound absorption layer and the shell; the vibration damping parts are arranged between the sound absorption layer and the shell at intervals. According to the air conditioning outdoor unit denoising structure, the sound absorption layer is arranged on the inner side of the shell of the air conditioning outdoor unit; the main noise generated by the air conditioning outdoor unit can be absorbed by the sound absorption layer; the air layer is formed by the clearance between the sound absorption layer and the shell; the soundproof effect can be enhanced by the air layer and the sound absorption coefficient of a low frequency section can be enhanced; the damping parts are arranged between the sound absorption layer and the shell, the direct effect of the sound absorption layer hardened in the low temperature environment to a metal plate can be effectively reduced by the damping parts and the corresponding noise is eliminated.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of outdoor machine of air-conditioner denoising structure and there is the air-conditioning of this denoising structure.
Background technology
Along with people improve constantly the requirement of quality of the life, the noise of air-conditioning is more and more subject to consumer's attention, becomes a large Consideration of choosing air-conditioning.The noise of air-conditioner outdoor unit is mainly derived from compressor noise, fan noise and refrigerant and flows pipeline is impacted to the pipeline noise causing.
At present, the conventional scheme of outdoor machine of air-conditioner noise reduction is: at compressor and pipeline periphery, respectively wrap the acoustical cotton of one deck gined cotton combination, or the acoustical cotton only combining at the peripheral bag of pipeline one deck gined cotton, to realize outer machine noise reduction.But acoustical cotton structure mainly concentrates on the noise processed of medium-high frequency section, and noise reduction is limited, and low frequency range noise treatment effect is poor; And under low-temperature heating operating mode, acoustical cotton is material hardens at low temperatures, pipeline vibration, by acoustical cotton and the effect of outer machine sheet metal component of hardening, produces extraordinary noise, affects products noise quality.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved by this invention is, a kind of outdoor machine of air-conditioner denoising structure is provided and has the air-conditioning of this denoising structure, improves outdoor machine of air-conditioner low frequency range noise level, promotes outdoor machine of air-conditioner full frequency band noise noise reduction.
In order to solve the problems of the technologies described above, a kind of outdoor machine of air-conditioner denoising structure provided by the present invention, comprising:
Sound absorbing layer, described sound absorbing layer is arranged at the inner side of outdoor machine of air-conditioner housing, and gapped formation air layer between described sound absorbing layer and described housing; And
A plurality of vibration-damped components, a plurality of described vibration-damped components compartment of terrain is arranged between described sound absorbing layer and described housing.
In an embodiment, described vibration-damped component is bar shaped therein, and a plurality of described vibration-damped component distributes along the vertical direction of described housing and/or horizontal direction, or is emitting shape and distributes.
In an embodiment, the material of described vibration-damped component is foaming pearl cotton therein.
In an embodiment, the thickness of described air layer is a, and 2mm≤a≤20mm therein.
In an embodiment, the material of described sound absorbing layer is felt therein.
In an embodiment, the thickness of described sound absorbing layer is t1, and 2mm≤t1≤20mm therein.
In an embodiment, described outdoor machine of air-conditioner denoising structure also comprises therein:
Puigging, described puigging is arranged at described sound absorbing layer back to a side of described vibration-damped component.
In an embodiment, the material of described puigging is skin therein.
In an embodiment, the thickness of described puigging is t2, and 2mm≤t2≤20mm therein.
Therein in an embodiment, the compressor that described denoising structure is positioned at outdoor machine of air-conditioner around.
A kind of air-conditioning provided by the present invention, comprises outer machine, and described outer facility have above-mentioned denoising structure.
Compared with prior art, outdoor machine of air-conditioner denoising structure of the present invention, by the inner side at outdoor machine of air-conditioner housing, sound absorbing layer is set, sound absorbing layer can absorb the main noise that outdoor machine of air-conditioner produces, simultaneously, gapped formation air layer between sound absorbing layer and described housing, air layer can increase soundproof effect, promotes low-frequency range sound-absorption coefficient; And, between sound absorbing layer and housing, being provided with vibration-damped component, vibration-damped component can effectively prevent the direct effect of the sound absorbing layer of hardening under low temperature environment to sheet metal component, has eliminated corresponding noise.
The beneficial effect that additional technical feature of the present invention has will partly describe in this description specific embodiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the outdoor machine of air-conditioner denoising structure in one of them embodiment of the present invention;
Fig. 2 is the local enlarged diagram at I place in Fig. 1;
Fig. 3 is the outdoor machine of air-conditioner of outdoor machine of air-conditioner denoising structure and the noise testing result comparison diagram of existing outdoor machine of air-conditioner with the embodiment of the present invention.
Description of reference numerals: 1, housing; 2, sound absorbing layer; 3, vibration-damped component; 4, air layer; 5, puigging.
The specific embodiment
Below with reference to accompanying drawing, also the present invention is described in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in following embodiment and embodiment can combine mutually.
As shown in Figure 1, 2, outdoor machine of air-conditioner denoising structure in one of them embodiment of the present invention comprises sound absorbing layer 2 and a plurality of vibration-damped component 3, described sound absorbing layer 2 is arranged at the inner side of outdoor machine of air-conditioner housing 1, and gapped formation air layer 4 between described sound absorbing layer 2 and described housing 1.Sound absorbing layer 2 is for absorbing the main noise of outdoor machine of air-conditioner; Meanwhile, between sound absorbing layer 2 and described housing 1, have air layer 4, air layer 4 can increase soundproof effect, promotes low-frequency range sound-absorption coefficient.A plurality of described vibration-damped components 3 compartment of terrains are arranged between described sound absorbing layer 2 and described housing 1.When sound absorbing layer 2 is during in low temperature environment hardening, the vibration of calculation for pipelines system of compressor is passed to sound absorbing layer 2, by the vibration damping of vibration piece, can be not directly and the sheet metal component rigid plane effect of housing 1, thus avoided corresponding extraordinary noise.As can be seen here, the outdoor machine of air-conditioner denoising structure in the present embodiment improves low frequency range noise level, promotes outdoor machine of air-conditioner full frequency band noise noise reduction.
In order to form rational air layer 4, described vibration-damped component 3 is preferably bar shaped.Because directly affecting air layer 4, the layout of vibration-damped component 3 distributes, therefore the layout of vibration-damped component 3 preferably adopts following several mode: a plurality of described vibration-damped components 3 distribute along the vertical direction of described housing 1, a plurality of described vibration-damped components 3 distribute along the horizontal direction of described housing 1, or a plurality of described vibration-damped components 3 are interspersed along vertical direction and the horizontal direction of described housing 1, or a plurality of described vibration-damped component 3 is emitting shape distribution.The material of described vibration-damped component 3 is preferably foaming pearl cotton, and foaming pearl cotton still has good damping property under low temperature environment.
Within the specific limits, along with the increase of air layer 4, denoising structure also can promote at the sound-absorption coefficient of low-frequency range thereupon, and preferably, the thickness of described air layer 4 is a, and 2mm≤a≤20mm.
Preferably, the material of described sound absorbing layer 2 is preferably felt, and felt sound-absorbing effect is good.Along with sound absorbing layer 2 thickness increase, denoising structure also has better improvement at the sound-absorption coefficient of low-frequency range, and preferably, the thickness of described sound absorbing layer 2 is t1, and 2mm≤t1≤20mm.
In order to improve noise reduction, outdoor machine of air-conditioner denoising structure also comprises puigging 5, and described sound absorbing layer 2 is arranged at described sound absorbing layer 2 back to a side of described vibration-damped component 3.The material of described puigging 5 is preferably skin.Along with the increase of puigging 5 surface densities, denoising structure also can promote at the sound-absorption coefficient of low-frequency range thereupon, and preferably, the thickness of described puigging 5 is t2, and 2mm≤t2≤20mm.
The outdoor machine of air-conditioner with the denoising structure in the present embodiment is carried out to noise testing test with adopting the outdoor machine of air-conditioner of the denoising structure of prior art, and result of the test as shown in Figure 3.In Fig. 3, abscissa is 1/12 octave frequency, the Hz of unit, and ordinate is sound pressure level, the dB of unit.In figure, dark color is depicted as the test data of the outdoor machine of air-conditioner with the denoising structure in the present embodiment, and light color is depicted as the test data of the outdoor machine of air-conditioner that adopts denoising structure of the prior art.As can be seen from Figure 3, the full rate section noise of the outdoor machine of air-conditioner of the denoising structure of employing the present embodiment has all obtained remarkable reduction.
The present invention also provides a kind of air-conditioning, and air-conditioning comprises outer machine, and described outer facility have the denoising structure of above-described embodiment.Air-conditioning is owing to having adopted the denoising structure of the embodiment of the present invention, and full rate section noise has all obtained remarkable reduction, has promoted product competitiveness.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (11)
1. an outdoor machine of air-conditioner denoising structure, is characterized in that, comprising:
Sound absorbing layer, described sound absorbing layer is arranged at the inner side of outdoor machine of air-conditioner housing, and gapped formation air layer between described sound absorbing layer and described housing; And
A plurality of vibration-damped components, a plurality of described vibration-damped components compartment of terrain is arranged between described sound absorbing layer and described housing.
2. outdoor machine of air-conditioner denoising structure according to claim 1, is characterized in that, described vibration-damped component is bar shaped, and a plurality of described vibration-damped component distributes along the vertical direction of described housing and/or horizontal direction, or is emitting shape and distributes.
3. outdoor machine of air-conditioner denoising structure according to claim 1, is characterized in that, the material of described vibration-damped component is foaming pearl cotton.
4. outdoor machine of air-conditioner denoising structure according to claim 1, is characterized in that, the thickness of described air layer is a, and 2mm≤a≤20mm.
5. outdoor machine of air-conditioner denoising structure according to claim 1, is characterized in that, the material of described sound absorbing layer is felt.
6. outdoor machine of air-conditioner denoising structure according to claim 1, is characterized in that, the thickness of described sound absorbing layer is t1, and 2mm≤t1≤20mm.
7. according to the outdoor machine of air-conditioner denoising structure described in any one in claim 1 to 6, it is characterized in that, also comprise:
Puigging, described puigging is arranged at described sound absorbing layer back to a side of described vibration-damped component.
8. outdoor machine of air-conditioner denoising structure according to claim 7, is characterized in that, the material of described puigging is skin.
9. outdoor machine of air-conditioner denoising structure according to claim 7, is characterized in that, the thickness of described puigging is t2, and 2mm≤t2≤20mm.
10. outdoor machine of air-conditioner denoising structure according to claim 1, is characterized in that, the compressor that described denoising structure is positioned at outdoor machine of air-conditioner around.
11. 1 kinds of air-conditionings, comprise outer machine, it is characterized in that, described outer facility are just like the denoising structure described in any one in claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261177.7A CN104061631B (en) | 2014-06-12 | 2014-06-12 | Outdoor machine of air-conditioner denoising structure and the air-conditioning with the denoising structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261177.7A CN104061631B (en) | 2014-06-12 | 2014-06-12 | Outdoor machine of air-conditioner denoising structure and the air-conditioning with the denoising structure |
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| CN104061631A true CN104061631A (en) | 2014-09-24 |
| CN104061631B CN104061631B (en) | 2018-03-06 |
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Cited By (6)
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| CN105276705A (en) * | 2015-12-03 | 2016-01-27 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and vibration and noise reduction structure thereof |
| CN105509288A (en) * | 2014-09-26 | 2016-04-20 | 中国科学院声学研究所 | Air outlet used for ventilation pipeline |
| CN106765677A (en) * | 2016-12-27 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of noise reducing structure of outdoor and air-conditioner outdoor unit |
| CN112537263A (en) * | 2020-10-29 | 2021-03-23 | 安徽江淮汽车集团股份有限公司 | Automobile with noise reduction and sound collection device |
| CN112659843A (en) * | 2020-09-30 | 2021-04-16 | 东风马勒热系统有限公司 | Automobile air conditioner shell with silencing cavity structure |
| CN113464605A (en) * | 2021-07-15 | 2021-10-01 | 珠海格力电器股份有限公司 | Shock attenuation cover and refrigeration plant |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106765677A (en) * | 2016-12-27 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of noise reducing structure of outdoor and air-conditioner outdoor unit |
| CN112659843A (en) * | 2020-09-30 | 2021-04-16 | 东风马勒热系统有限公司 | Automobile air conditioner shell with silencing cavity structure |
| CN112537263A (en) * | 2020-10-29 | 2021-03-23 | 安徽江淮汽车集团股份有限公司 | Automobile with noise reduction and sound collection device |
| CN113464605A (en) * | 2021-07-15 | 2021-10-01 | 珠海格力电器股份有限公司 | Shock attenuation cover and refrigeration plant |
| CN113464605B (en) * | 2021-07-15 | 2023-02-17 | 珠海格力电器股份有限公司 | Shock attenuation cover and refrigeration plant |
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| CN104061631B (en) | 2018-03-06 |
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