CN202707419U - Sound-insulation noise-reduction box - Google Patents
Sound-insulation noise-reduction box Download PDFInfo
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- CN202707419U CN202707419U CN 201220385833 CN201220385833U CN202707419U CN 202707419 U CN202707419 U CN 202707419U CN 201220385833 CN201220385833 CN 201220385833 CN 201220385833 U CN201220385833 U CN 201220385833U CN 202707419 U CN202707419 U CN 202707419U
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Abstract
The utility model discloses a sound-insulation noise-reduction box which comprises a damping cushion which is installed at the bottom, wherein the upper surface of the damping cushion is connected with side walls and a top wall, the side walls are arranged vertically, and the top wall is connected with the top of each side wall. Each side wall and the top wall respectively comprise a sound-insulation perforated plate layer, a sound-absorbing cotton layer, a grating layer, a sound-insulation cotton layer, a sound-insulation plate layer and a sound-insulation cover layer from inside to outside. The sound-insulation noise-reduction box composed of a plurality of sound-insulation layers can process noise with complex frequency spectrums in selective mode, noise is produced by a sound source and is adsorbed and stopped by each sound-insulation layer, noise transmitted by a noise-reduction wall is reduced greatly, and the therefore the sound-insulation effect is improved.
Description
Technical field
The utility model relates to a kind of sound insulation and noise reduction casing.
Background technique
During compressor operating, compressing mechanism makes mechanical movement and can produce a large amount of noises, and continual noise causes production environment extremely abominable, works in this environment for a long time and can make people's impaired hearing.Generally adopt in the industry at present Sound-proof material or complex sound insulation cotton that compressor seal is alleviated noise, but compressor operating can produce the noise of multi-frequency, and the loudness of each frequency noise is different, yet existing sound insulation and noise reduction measure is too single, can't effectively reduce the noise of spectrum structure complexity.
The model utility content
The technical problem that the utility model at first will solve is for defects, and a kind of different frequency noise, sound insulation and noise reduction casing that soundproof effect is good eliminated is provided.
In order to solve the problems of the technologies described above, the utility model provides a kind of sound insulation and noise reduction casing with following structure,
Its structural feature is to comprise the beam that is arranged on the bottom, the upper surface of beam is connected with the sidewall of vertical setting and is connected to roof on each top side wall, and described sidewall and roof all comprise perforated panel layer, acoustical cotton layer, grating layer, Sound-proof material layer, sound insulation flaggy and sound-insulating cover layer from inside to outside.
The sound insulation and noise reduction casing that a plurality of puiggings form can selectively be processed the noise of spectrum complex, and noise produces from sound source, after each puigging absorbs, intercepts, spreads out of the noise decrease of silencer wall, therefore can improve soundproof effect of the present utility model.
Rock wool between the glass fibre cloth forms described acoustical cotton layer by outer glass fibre cloth, interior glass fibre cloth with inside and outside being filled in, and can prevent loose disengaging of for a long time vibrations of rock wool, structural change, the energy of absorption, the highest loudness noise of consumption frequency spectrum medium-high frequency section.
Described Sound-proof material layer is fine and close gradually from inside to outside, effectively the noise of the longer frequency range of absorbing high-frequency section.
Described sound insulation flaggy sticks to one by industrial viscose glue and sound-insulating cover layer, can change the natural frequency of sound-insulating cover layer, prevents from making the sound-insulating cover layer produce resonance by sound source vibrations conduction, causes the sound-insulating cover layer to become the secondary noise source.
Be respectively equipped with on described sidewall and the roof from the sound-insulating cover layer and be through to a plurality of partitions that perforated panel layer and interval arrange, prevent resonance, prevent that breadth is excessive and make each puigging produce tenesmus, guarantee that each puigging brings into play its deadening.
Compared with prior art, adopt the sound insulation and noise reduction casing of said structure to have the following advantages: the sound insulation and noise reduction casing that a plurality of puiggings form can selectively be processed the noise of spectrum complex, noise produces from sound source, after each puigging absorbs, intercepts, spread out of the noise decrease of silencer wall, therefore can improve soundproof effect of the present utility model.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the sound insulation and noise reduction casing comprises the beam 2 that is arranged on the bottom, the upper surface of beam 2 is connected with four sidewalls of vertical setting and is connected to roof on each top side wall, form a square box body that energy seals noise source, sidewall and roof all comprise perforated panel layer 11, acoustical cotton layer 12, grating layer 13, Sound-proof material layer 14, sound insulation flaggy 15 and sound-insulating cover layer 16 from inside to outside.Perforated panel layer 11 is the innermost layer of sound insulation and noise reduction casing, the thickness of perforated panel layer 11 is by frequency analysis, determine the thickness of aperture, pitch-row and the plate of perforated panel layer 11 according to the frequency of the highest loudness place noise in the low frequency noise, absorb as far as possible, consume the energy of the highest loudness noise of frequency spectrum medium and low frequency section.Rock wool between the glass fibre cloth forms acoustical cotton layer 12 by outer glass fibre cloth, interior glass fibre cloth with inside and outside being filled in, by frequency analysis, determine the micropore size of acoustical cotton layer 12 according to the frequency of loudness highest point noise in the high frequency noise, determine the thickness of acoustical cotton layer 12 according to the highest loudness in the high frequency noise, absorb, consume the energy of the highest loudness noise of frequency spectrum medium-high frequency section, noise energy is reduced, the glass fibre cloth of acoustical cotton layer 12 outer wrap, can prevent the loose disengaging of the long-time vibrations of rock wool, structural change.Grating layer 13 Airs can flow between each hole, noise is reflected between each flase floor, the Natural Attenuation of energy consumes noise energy when propagating in air by sound, and various frequency noise are all had the effect that reduces acoustic pressure, and grating layer 13 can support acoustical cotton layer 12 simultaneously.Sound-proof material layer 14 is fine and close gradually from inside to outside, and is namely fine and close gradually to sound insulation flaggy 15 from grating layer 13, the effective noise of the longer frequency range of absorbing high-frequency section, and the acoustic pressure of reduction wave band noise reduces to penetrate each frequency range noise of Sound-proof material layer 14.Sound insulation flaggy 15 is three-decker, two wooden partitions and intermediate course, wooden partition is the soft rubber sill, the high density materials such as filling ferrous powder or gypsum between two wooden partitions, can intercept the propagation of each frequency noise of low-frequency range, consumption penetrates the low frequency noise energy of sound insulation flaggy 15, and high frequency noise is propagated also has preferably iris action simultaneously.Sound-insulating cover layer 16 is outermost surface, material is metal or nonmetal, sound insulation flaggy 15 sticks to one by industrial viscose glue and sound-insulating cover layer 16, can change the natural frequency of sound-insulating cover layer 16, prevent from producing resonance owing to sound source vibrations conduction makes sound-insulating cover layer 16, cause sound-insulating cover layer 16 to become the secondary noise source.Be respectively equipped with a plurality of partitions 3 that are through to perforated panel layer 11 and interval setting from sound-insulating cover layer 16 on sidewall and the roof, partition 3 laterally runs through each sidewall of vertical setting, the roof that vertically runs through cross setting, puigging in the sound insulation and noise reduction casing is separated into some fritters, avoid each puigging single-block area excessive, prevent resonance, prevent that breadth is excessive and make each puigging produce tenesmus, guarantee that each puigging can bring into play its sound-absorbing, deadening.
In the using process, the sound insulation and noise reduction casing of this structure can selectively be processed the noise of spectrum complex, and noise produces after the absorption and obstruct of each puigging from sound source, spreads out of the noise energy decrease of sound insulation and noise reduction casing.
Claims (5)
1. sound insulation and noise reduction casing, it is characterized in that: comprise the beam (2) that is positioned at the bottom, the upper surface of beam (2) is connected with the sidewall of vertical setting and is connected to roof on each top side wall, and described sidewall and roof all comprise perforated panel layer (11), acoustical cotton layer (12), grating layer (13), Sound-proof material layer (14), sound insulation flaggy (15) and sound-insulating cover layer (16) from inside to outside.
2. sound insulation and noise reduction casing according to claim 1 is characterized in that: described acoustical cotton layer (12) is comprised of outer glass fibre cloth, interior glass fibre cloth and the rock wool that is filled between the inside and outside glass fibre cloth.
3. sound insulation and noise reduction casing according to claim 1 is characterized in that: described Sound-proof material layer (14) is fine and close gradually from inside to outside.
4. sound insulation and noise reduction casing according to claim 1, it is characterized in that: described sound insulation flaggy (15) sticks to one by industrial viscose glue and sound-insulating cover layer (16).
5. the described sound insulation and noise reduction casing of any one according to claim 1-4 is characterized in that: be respectively equipped with a plurality of partitions (3) that are through to perforated panel layer (11) and interval setting from sound-insulating cover layer (16) on described sidewall and the roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385833 CN202707419U (en) | 2012-08-06 | 2012-08-06 | Sound-insulation noise-reduction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385833 CN202707419U (en) | 2012-08-06 | 2012-08-06 | Sound-insulation noise-reduction box |
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| Publication Number | Publication Date |
|---|---|
| CN202707419U true CN202707419U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220385833 Expired - Fee Related CN202707419U (en) | 2012-08-06 | 2012-08-06 | Sound-insulation noise-reduction box |
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| CN (1) | CN202707419U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295196A (en) * | 2013-07-16 | 2015-01-21 | 辽宁辽杰科技有限公司 | Door plate core material with flame retardance, sound insulation and heat preservation and preparation method thereof |
| CN104777699A (en) * | 2015-04-17 | 2015-07-15 | 上海东方传媒技术有限公司 | Sound-absorbing light box |
| CN105338764A (en) * | 2015-12-01 | 2016-02-17 | 张萍 | Electric power electrical cabinet device capable of effectively reducing noise |
| CN105840459A (en) * | 2016-04-05 | 2016-08-10 | 紫金矿业集团股份有限公司 | Sound insulation and noise reduction method and device for MVR energy saving vaporization system |
| CN106652990A (en) * | 2017-02-21 | 2017-05-10 | 湖州浩森科技股份有限公司 | Small sound-insulating enclosure device for industrial use |
| CN108532784A (en) * | 2018-06-15 | 2018-09-14 | 苏州岸肯电子科技有限公司 | A kind of tablet noise elimination structure |
| 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 |
| CN108962209A (en) * | 2018-06-19 | 2018-12-07 | 广东美的白色家电技术创新中心有限公司 | A kind of silencing apparatus and household electrical appliance |
| CN112376948A (en) * | 2020-10-23 | 2021-02-19 | 颜达 | Machining plus type noise reduction device |
| CN112856797A (en) * | 2021-03-22 | 2021-05-28 | 珠海格力绿色再生资源有限公司 | Inhale sound insulation composite construction and air condition compressor |
| CN113099852A (en) * | 2021-05-12 | 2021-07-13 | 伍玉军 | Corn thresher for food processing |
-
2012
- 2012-08-06 CN CN 201220385833 patent/CN202707419U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295196A (en) * | 2013-07-16 | 2015-01-21 | 辽宁辽杰科技有限公司 | Door plate core material with flame retardance, sound insulation and heat preservation and preparation method thereof |
| CN104777699A (en) * | 2015-04-17 | 2015-07-15 | 上海东方传媒技术有限公司 | Sound-absorbing light box |
| CN105338764A (en) * | 2015-12-01 | 2016-02-17 | 张萍 | Electric power electrical cabinet device capable of effectively reducing noise |
| CN105840459A (en) * | 2016-04-05 | 2016-08-10 | 紫金矿业集团股份有限公司 | Sound insulation and noise reduction method and device for MVR energy saving vaporization system |
| CN105840459B (en) * | 2016-04-05 | 2018-05-18 | 紫金矿业集团股份有限公司 | The sound-proof noise reducing method and equipment of the energy saving vapo(u)rization systems of MVR |
| CN106652990B (en) * | 2017-02-21 | 2024-02-27 | 湖州浩森科技股份有限公司 | Industrial small-size sound-proof housing device |
| CN106652990A (en) * | 2017-02-21 | 2017-05-10 | 湖州浩森科技股份有限公司 | Small sound-insulating enclosure device for industrial use |
| 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 |
| CN108532784A (en) * | 2018-06-15 | 2018-09-14 | 苏州岸肯电子科技有限公司 | A kind of tablet noise elimination structure |
| CN108962209A (en) * | 2018-06-19 | 2018-12-07 | 广东美的白色家电技术创新中心有限公司 | A kind of silencing apparatus and household electrical appliance |
| CN112376948A (en) * | 2020-10-23 | 2021-02-19 | 颜达 | Machining plus type noise reduction device |
| CN112856797A (en) * | 2021-03-22 | 2021-05-28 | 珠海格力绿色再生资源有限公司 | Inhale sound insulation composite construction and air condition compressor |
| CN113099852A (en) * | 2021-05-12 | 2021-07-13 | 伍玉军 | Corn thresher for food processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20190806 |