CN206131400U - Compound structure of making an uproar of falling - Google Patents
Compound structure of making an uproar of falling Download PDFInfo
- Publication number
- CN206131400U CN206131400U CN201621188624.1U CN201621188624U CN206131400U CN 206131400 U CN206131400 U CN 206131400U CN 201621188624 U CN201621188624 U CN 201621188624U CN 206131400 U CN206131400 U CN 206131400U
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- noise
- puigging
- reducing structure
- uproar
- noise reduction
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Abstract
The utility model discloses a compound structure of making an uproar of falling, above -mentioned compound structure of making an uproar of falling include noise damping layer, resonance abatvoix and the puigging that connects gradually, and noise damping layer lays formation by the microperforated panel. The utility model discloses in the compound structure of making an uproar of falling that provides, through increasing resonance acoustical panel and microperforated panel in the puigging outside, can effectively strengthen the sound ability of inhaling of the multifrequency noise that sends the advancing of fan, export and fan shell. Use the utility model provides a compound structure of making an uproar of falling, complete machine synthesize to fall and make an uproar more than the 20dB.
Description
Technical field
This utility model is related to air-conditioning noise reduction technical field, more particularly to a kind of compound noise-reducing structure.
Background technology
Blower fan is the noise source of household cabinet air-conditioning device, be to the noise reduction process of blower housing in noise source noise reduction, and
To at the import and export of blower fan and the noise reduction process of casing is then route of transmission by measure block noise.
At present, the sound insulation and noise reduction of cabinet type household air-conditioner mainly from sources of noise consider, i.e., using the slow-speed of revolution, low noise
Sound blower fan to reach the purpose of sound insulation and noise reduction, even if thus, when air-conditioning needs bigger air quantity and pressure head, the noise of blower fan
Also can increase therewith, it will usually more than 60 decibels so that Consumer's Experience is very poor.
Utility model content
For the problems referred to above that existing idle call sound insulation and noise reduction is present, now provide it is a kind of can be used to blocking the entering of blower fan,
The route of transmission of the noise of exit and casing and the compound noise-reducing structure with stronger sound insulation and noise reduction ability.
Concrete technical scheme is as follows：
A kind of compound noise-reducing structure, has the feature that, above-mentioned compound noise-reducing structure include be sequentially connected noise reduction layer,
Resonance acoustical absorption plate and puigging, noise reduction layer is laid by microperforated panel and is formed.
Above-mentioned compound noise-reducing structure, also has the feature that, puigging is laid by Sound-proof material and formed, puigging it is total
Thickness is 8-40mm.
Above-mentioned compound noise-reducing structure, also has the feature that, resonance acoustical absorption plate is hollow type border structure, and resonance is inhaled
The thickness of soundboard is 20-100mm.
Above-mentioned compound noise-reducing structure, also has the feature that, some through holes are evenly distributed with microperforated panel, and
And, the aperture of through hole is 0.05mm-1mm, and the spacing of adjacent through-holes is 2-4mm, and the thickness of microperforated panel is 1-3mm.
Above-mentioned compound noise-reducing structure, also has the feature that, noise reduction layer is made up of metal or plastics.
Above-mentioned compound noise-reducing structure, also has the feature that, noise reduction layer, resonance acoustical absorption plate and puigging are glued successively
Connection.
The beneficial effect of above-mentioned technical proposal：
The compound noise-reducing structure provided in this utility model, by increasing resonance noise reduction layer and micropunch on the outside of puigging
Plate, can effectively strengthen the sound absorbing power of the multifrequency noise that the import and export to blower fan and blower housing send.It is new using this practicality
The compound noise-reducing structure that type is provided, whole more than machine comprehensive Noise Reduction 20dB.
Description of the drawings
Fig. 1 is the configuration schematic diagram of the compound noise-reducing structure provided in embodiment of the present utility model.
In accompanying drawing：1st, noise reduction layer；2nd, resonance acoustic board；3rd, puigging.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained every other embodiment, belongs to the scope of this utility model protection.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in this utility model can
To be mutually combined.
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment, but not as of the present utility model
Limit.
Fig. 1 is the configuration schematic diagram of the compound noise-reducing structure provided in embodiment of the present utility model, such as Fig. 1 institutes
Show, the compound noise-reducing structure provided in embodiment of the present utility model includes noise reduction layer 1, the and of resonance acoustical absorption plate 2 being sequentially connected
Puigging 3, noise reduction layer 1 is laid by microperforated panel and is formed.
Specifically, puigging 3 is laid by Sound-proof material and is formed, and the gross thickness of puigging 3 is 8-40mm；Resonance acoustical absorption plate 2 is
Hollow type border structure, the thickness of resonance acoustical absorption plate 2 is 20-100mm；Some through holes are evenly distributed with noise reduction layer 1, also,
The aperture of through hole is 0.05mm-1mm, and the spacing of adjacent through-holes is 2-4mm, and the thickness of microperforated panel is 1-3mm, noise reduction layer 1 by
Metal or plastics are made, also, the glued connection successively of noise reduction layer 1, resonance acoustical absorption plate 2 and puigging 3.
Embodiment 1
Compound noise-reducing structure is applied in domestic air conditioning in the present embodiment, the micropunch by made by aluminium sheet in the present embodiment
Plate thickness of slab 1.5mm, through-hole aperture is 0.4mm, and the pitch of holes of adjacent through-holes is 3.5mm；Noise reduction resonant cavity is that thickness of slab is 40mm's
Hollow type border structure；Puigging is laid to be formed using the thick Sound-proof materials of 20mm, microperforated panel, noise reduction resonant cavity, puigging and
The glued connection successively of the outer containment vessel of air-conditioning.
Embodiment 2
Compound noise-reducing structure is applied in the import and export of blower fan in the present embodiment, in the present embodiment by made by rubber
Microperforated panel thickness of slab 1.7mm, in 0.1mm, the pitch of holes of adjacent through-holes is 3mm to through-hole aperture；Noise reduction resonant cavity is for thickness of slab
The hollow type border structure of 55mm；Puigging is laid to be formed using the thick Sound-proof materials of 30mm, microperforated panel, noise reduction resonant cavity, every
The glued connection successively of the outer containment vessel of the import and export of sound-absorbing layer and blower fan.
Embodiment 3
Compound noise-reducing structure is applied in the shell of blower fan in the present embodiment, it is micro- by made by rubber in the present embodiment to wear
Orifice plate thickness of slab 2.5mm, in 0.25mm, the pitch of holes of adjacent through-holes is 2.5mm to through-hole aperture；It is 60mm that noise reduction resonant cavity is thickness of slab
Hollow type border structure；Puigging is laid to be formed using the thick Sound-proof materials of 25mm, microperforated panel, noise reduction resonant cavity, puigging
With the outer containment vessel of blower fan successively glued connection.
The foregoing is only this utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain, to those skilled in the art, should can appreciate that in all utilization this utility model description and diagram
Scheme obtained by holding done equivalent and obviously changing, should be included in protection model of the present utility model
In enclosing.
Claims (6)
1. a kind of compound noise-reducing structure, it is characterised in that the compound noise-reducing structure includes that the noise reduction layer being sequentially connected, resonance are inhaled
Soundboard and puigging, the noise reduction layer is laid by microperforated panel and is formed.
2. compound noise-reducing structure according to claim 1, it is characterised in that the puigging is laid by Sound-proof material and formed,
The gross thickness of the puigging is 8-40mm.
3. compound noise-reducing structure according to claim 1, it is characterised in that the resonance acoustical absorption plate is hollow type frame knot
Structure, the thickness of the resonance acoustical absorption plate is 20-100mm.
4. compound noise-reducing structure according to claim 1, it is characterised in that be evenly distributed with the microperforated panel some
Through hole, also, the aperture of the through hole is 0.05mm-1mm, the spacing of the adjacent through hole is 2-4mm, the microperforated panel
Thickness is 1-3mm.
5. compound noise-reducing structure according to claim 4, it is characterised in that the noise reduction layer is made up of metal or plastics.
6. the compound noise-reducing structure according to any one of claim 1-5, it is characterised in that the noise reduction layer, the resonance
The glued connection successively of abatvoix and the puigging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188624.1U CN206131400U (en) | 2016-10-28 | 2016-10-28 | Compound structure of making an uproar of falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188624.1U CN206131400U (en) | 2016-10-28 | 2016-10-28 | Compound structure of making an uproar of falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206131400U true CN206131400U (en) | 2017-04-26 |
Family
ID=58577012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188624.1U Active CN206131400U (en) | 2016-10-28 | 2016-10-28 | Compound structure of making an uproar of falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206131400U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084295A (en) * | 2017-06-13 | 2017-08-22 | 长沙新奥燃气有限公司 | A kind of noise reducing plate at tube bends |
| CN108755994A (en) * | 2018-06-11 | 2018-11-06 | 贵阳锐航智能科技有限公司 | A kind of sound insulation and noise reduction wall in mechanical processing sound-deadening and noise-reducing moving operation room |
| CN110285495A (en) * | 2019-06-28 | 2019-09-27 | 广东美的制冷设备有限公司 | A kind of vibration isolation sound arrester and air-conditioner outdoor unit |
| CN112228680A (en) * | 2020-09-28 | 2021-01-15 | 广船国际有限公司 | Silencing and flow guiding device |
| CN112484221A (en) * | 2020-10-28 | 2021-03-12 | 大连交通大学 | Can clear away indoor waste gas treatment device of formaldehyde |
| CN113079656A (en) * | 2020-01-04 | 2021-07-06 | 鸿富锦精密工业(武汉)有限公司 | Noise reduction structure and electronic device with same |
-
2016
- 2016-10-28 CN CN201621188624.1U patent/CN206131400U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084295A (en) * | 2017-06-13 | 2017-08-22 | 长沙新奥燃气有限公司 | A kind of noise reducing plate at tube bends |
| CN108755994A (en) * | 2018-06-11 | 2018-11-06 | 贵阳锐航智能科技有限公司 | A kind of sound insulation and noise reduction wall in mechanical processing sound-deadening and noise-reducing moving operation room |
| CN110285495A (en) * | 2019-06-28 | 2019-09-27 | 广东美的制冷设备有限公司 | A kind of vibration isolation sound arrester and air-conditioner outdoor unit |
| CN110285495B (en) * | 2019-06-28 | 2021-09-28 | 广东美的制冷设备有限公司 | Vibration isolation sound absorption device and air conditioner outdoor unit |
| CN113079656A (en) * | 2020-01-04 | 2021-07-06 | 鸿富锦精密工业(武汉)有限公司 | Noise reduction structure and electronic device with same |
| CN113079656B (en) * | 2020-01-04 | 2023-10-27 | 鸿富锦精密工业(武汉)有限公司 | Noise reduction structure and electronic device with same |
| CN112228680A (en) * | 2020-09-28 | 2021-01-15 | 广船国际有限公司 | Silencing and flow guiding device |
| CN112484221A (en) * | 2020-10-28 | 2021-03-12 | 大连交通大学 | Can clear away indoor waste gas treatment device of formaldehyde |
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