CN104532975B - Noise reducing and sound insulating water curtain structure - Google Patents
Noise reducing and sound insulating water curtain structure Download PDFInfo
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- CN104532975B CN104532975B CN201510006561.7A CN201510006561A CN104532975B CN 104532975 B CN104532975 B CN 104532975B CN 201510006561 A CN201510006561 A CN 201510006561A CN 104532975 B CN104532975 B CN 104532975B
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- water
- noise reduction
- water curtain
- tank
- curtain structure
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Abstract
The invention discloses a noise reducing and sound insulating water curtain structure. The noise reducing and sound insulating water curtain structure comprises a water tank, an installation plate is vertically arranged in the water tank, protection layers are arranged on the two sides of the water tank and are parallel to the installation plate, a plurality of guide pipes are arranged in the installation plate, a minitype water pump is arranged in the water pump, one end of each guide pipe is connected with the water pump, and the other end of the each guide pipe penetrates through the top of the installation plate; the water pump conveys water in the water tank to the top of the installation plate through the guide pipes, and water flows down from the top of the installation plate to form a water curtain and flows back to the water tank; the water tank is filled with noise reducing liquid, and the noise reducing liquid comprises, by weight, 50-80 parts of water, 2-5 parts of pectin, 10-20 parts of censer ash and 0.5-1 part of polyurethane resin. The noise reducing and sound insulating water curtain structure is simple, convenient to install and good in sound insulating effect, by means of decoration design in the prior art, a very good attractive effect is achieved, and the noise reducing and sound insulating water curtain structure can meet requirements for reducing noise and insulating sound in some large entertainment venues.
Description
Technical field
The present invention relates to building field, more particularly, to a kind of noise reduction sound insulation water curtain structure.
Background technology
In prior art, public place or some large-scale public places of entertainment typically adopt foam cement to make wall, foaming
Cement quality is lighter, and its multi-through hole structure has preferable soundproof effect.But for the high amusement of some sound isolation requirements
Place, such as ktv, the soundproof effect of foam cement shows slightly not enough.
In average family or temple, usually can be burnt incense and pray, the incense burner of family or temple is piled up and stayed
Ashes.General cleaning way is to outwell ashes, and such ashes can become dust, causes air dirty to a certain extent
Dye.
The research as noise reduction application by incense burner ash is not also found in prior art.
Content of the invention
In order to solve problem of the prior art, it is an object of the invention to provide a kind of noise reduction sound insulation water curtain structure, by perfume (or spice)
Ashes use for noise reduction after being processed.
Technical scheme is as follows: a kind of noise reduction sound insulation water curtain structure, wherein, including tank, perpendicular in described tank
Erect and be equipped with installing plate, described tank both sides arrange matcoveredn, and described protective layer and installing plate be arranged in parallel；Described installing plate
It is internally provided with many conduits, in described tank, is provided with micro pump, described tube at one end connects water pump, and the other end is from installation
Top of the plate portion passes；Water in tank is transported to installing plate top through conduit by described water pump, then flows down from installing plate top and formed
Water curtain, flows back in tank；
Equipped with noise reduction liquid in described tank, the composition of raw materials of described noise reduction liquid is by each component of following parts by weight
Composition:
50 ~ 80 parts of water；
2 ~ 5 parts of pectin；
10 ~ 20 parts of incense burner ash；
0.5 ~ 1 part of polyurethane resin；
The ashes that described incense burner ash is family, temple stays when burning joss sticks.
The preparation method of noise reduction liquid is as follows: puts into incense burner ash in the sulfuric acid solution that concentration is 1.5mol/l first, stirs
Soak 30 minutes after mixing 15 minutes, then filter, cleaned with clear water and obtain black solid after drying；This black solid is ground
Become powder, mix with pectin, polyurethane resin and put in water, be uniformly mixing to obtain noise reduction liquid.
The component analyses of the noise reduction liquid in the present invention, pectin is one of plant acidic polysaccharose material, and it is usually
White, to pale yellow powder, slightly carries tart flavour, has water solublity, is used for making food gelling agents, pectin is soluble in water to be formed
Colloid, there is presently no the research finding that pectin is applied to noise reduction, and the pectin of the present invention adopts commercially available prod.Incense burner ash adopts
The ashes that family or temple etc. stay after burning joss sticks in place.Polyurethane resin is that one kind has high intensity, anti tear, the characteristic such as wear-resisting
Macromolecular material, the polyurethane resin of the present invention adopts commercially available prod.Inventor finds, incense burner ash is processed through soak with sulphuric acid
Grind again afterwards, the inclined black powder obtaining is a kind of grain structure of more hard surface irregularity, this grain structure
Water insoluble, there is good sound-absorbing effect, especially flowed with certain speed (about 0.5 ~ 1.5m/s) in this granule
When, its sound-absorbing effect becomes apparent from, and when making this granule, takes the incense burner ash block effect being deposited under incense burner preferable.In
It is the acoustical absorbance properties that inventor utilizes this granule, produce noise reduction sound insulation water curtain structure, this granule is put in water, using micro-
Circulating of water realized by type water pump, so that this particulate matter is flowed with current with certain speed, to reach using its absorbing sound and lowering noise
Purpose.Due to particle diameter very little (generally 100 ~ 500 mesh), do not result in the blocking of micro pump, by controlling water pump
Power realize control current flow velocity (i.e. the flow velocity of particulate matter).Inventor also puts into a small amount of pectin and polyurethane tree in water
Fat, to improve the resistance of water, slows down the flowing velocity of this granule to a certain extent, meanwhile, adds pectin and polyurethane resin
Water formed colloid also there is good noise reduction.Slow down water velocity alternatively, it is also possible to be provided with installation plate surface
Protruding block, reach control particulate matter flowing velocity effect.
Beneficial effects of the present invention: the present invention provides a kind of noise reduction sound insulation water curtain structure, has extraordinary noise reduction sound insulation
Effect, meets the sound insulation demand of the public places of entertainment such as ktv.
Brief description
Fig. 1 is the side view of noise reduction sound insulation water curtain structure.
Specific embodiment
For making the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention further describes.
Embodiment 1
The noise reduction sound insulation water curtain structure of the present embodiment, as shown in figure 1, including tank 100, erectting in tank 100 and being provided with
Installing plate 200, tank 100 both sides arrange matcoveredn 300, and this protector can be glassy layer or foam cement layer, protection
Layer 300 is be arranged in parallel with installing plate 200.Installing plate 200 is internally provided with many conduits (in figure does not draw), sets in tank 100
It is equipped with micro pump (in figure does not draw), tube at one end connects water pump, the other end passes from installing plate top；Water pump is by tank
Water be transported to installing plate top through conduit, then from installing plate top flow down formation water curtain 400, flow back in tank.
In the present embodiment, installing plate 200 surface is provided with the protruding block (in figure does not draw) slowing down water velocity.
Equipped with noise reduction liquid in tank, in the present embodiment, the composition of raw materials of noise reduction liquid is each by following parts by weight
Group is grouped into:
50 parts of water；
3 parts of pectin；
12 parts of incense burner ash；
0.5 part of polyurethane resin；
Incense burner ash is the incense burner ash block being deposited on incense burner bottom.
The preparation method of noise reduction liquid is as follows: puts into incense burner ash in the sulfuric acid solution that concentration is 1.5mol/l first, stirs
Soak 30 minutes after mixing 15 minutes, then filter, cleaned with clear water and obtain black solid after drying；This black solid is ground
Become powder, mix with pectin, polyurethane resin and put in water, be uniformly mixing to obtain noise reduction liquid.
Embodiment 2
The present embodiment is substantially consistent with embodiment 1, and except for the difference that, the composition of raw materials of the noise reduction liquid of the present embodiment is by such as
The each group of lower parts by weight is grouped into:
80 parts of water；
5 parts of pectin；
18 parts of incense burner ash；
1 part of polyurethane resin.
The ashes that incense burner ash is family, temple stays when burning joss sticks.
The noise reduction sound insulation water curtain structure that embodiments of the invention are provided carries out sound insulation test, due to the noise reduction of the present invention
The main noise reduction sound-insulating structure of sound insulation water curtain structure is the water curtain filling noise reduction liquid, and therefore following experiment is simple to Sheng
The water curtain having noise reduction liquid carries out sound insulation test.
First, test object.
Build 6 shape size identical square empty rooms using specification identical cement board, the length of side is 2.5m, point
It is not labeled as 1 ~ No. 6 test cabinet, put at each test cabinet center that model is identical, output identical loudspeaker are as noise
Sound source.
Test case 1: the water curtain of the noise reduction liquid of embodiment 1 is installed on the inwall of No. 1 test cabinet, water velocity controls
1.2m/s；
Test case 2: the water curtain of the noise reduction liquid of embodiment 2 is installed on the inwall of No. 2 test cabinets, water velocity controls
0.8m/s；
Comparative example 1: the water curtain of the noise reduction liquid of embodiment 1 is installed on the inwall of No. 3 test cabinets, water velocity controls
3m/s；
Comparative example 2: the water curtain structure merely equipped with clear water is installed on the inwall of No. 4 test cabinets, this water curtain structure and reality
Apply example 1 identical, clear water flow speed control is in 1.2m/s；
Comparative example 3: in spreading using embodiment 1 on the inwall of No. 5 test cabinets, method processes the granule that incense burner ash obtains；
Comparative example 4: install and embodiment 1 water curtain thickness identical cement board on the inwall of No. 6 test cabinets.
2nd, method of testing.
1. environmental noise measurement.
1.1 method of testings: in the case of not opening loudspeaker, inside and outside using each test cabinet of common sound level measurement amount
Environment noise numerical value, each test cabinet is inside and outside to randomly select 5 test points respectively, that is, each test cabinet need survey
10 environmental noise data of examination (indoor 5, outdoor 5), calculate the noise average of indoor and outdoors respectively, obtain environment and make an uproar
Sound.
1.2 environmental noise measurement data records (unit db).
1.3 noise correction, such as following table (unit db).
Wherein difference represents the phase difference of the measured noise after opening of loudspeaker and environment noise, for example: after loudspeaker are opened
Measured noise is 3 with the phase difference of environment noise, then after opening loudspeaker, measured noise deducts correction value 2, obtains
To numerical value be produced actual noise value after loudspeaker are opened.
2. work noise measurement.
2.1 method of testings: using common sound meter, each test cabinet is measured, first loudspeaker are opened, in each test cabinet
Inside, is close to test chamber interior walls arbitrarily 5 test points of selection, and the height of each test point is 1.2m for 1.2m(loudspeaker height),
Record the data of these test points, calculate meansigma methodss, obtain each test cabinet internal noise data；Outside each test cabinet, distance
The local of test chamber outer wall 1m arbitrarily chooses 5 test points, and the height of each test point is 1.2m, records the number of these test points
According to, calculating meansigma methodss, obtain each test cabinet external noise data.
2.2 test data records: such as below table (unit db).
2.3 data analysiss.
(1) environment noise of the indoor and outdoors of each test cabinet is more or less the same, it can be considered that the interior of each test cabinet
Consistent with outdoor environment noise.
(2) after opening loudspeaker, the measured value of the indoor noise of each test cabinet is significantly larger than the survey of its indoor environment noise
Value, does not therefore need to be modified.
(3) after opening loudspeaker, the measured value phase of the measured value of the outdoor noise of each test cabinet and its indoor environment noise
Differ from less it is therefore desirable to be modified, revised result such as following table.
| Test cabinet | 1 | 2 | 3 | 4 | 5 | 6 |
| Revise noise | 51.2 | 52 | 58.2 | 79.2 | 65.4 | 64.6 |
The sound insulation and noise reduction effect of (4) No. 1 and No. 2 test cabinets preferably, 3 numbers it, No. 5 and 1 ~ No. 3 difference of No. 6 ratios, No. 4
Difference.
3. test result.
The test result contrast of (1) 1 ~ No. 3 test cabinet and No. 6 test cabinets, finds the water curtain knot of the present invention of same thickness
Structure is better than the soundproof effect of foamed cement structures.
The test result contrast of (2) 1 ~ No. 3 test cabinets and No. 4 test cabinets, what discovery acted primarily as sound insulation and noise reduction effect is this
The noise reduction liquid of invention.
The test result contrast of (3) 1, No. 2 test cabinets and 3 good test cabinets, finds that the flow velocity of test liquid drops to its sound insulation
Effect of making an uproar all has a certain impact, better than 3m/s in the sound insulation and noise reduction effect for 0.8m/s or 1.2m/s for the flow velocity.
(4) 1 ~ No. 3 test cabinets and No. 5 test cabinets test result contrast, find flowing incense burner ash prepare
Grain thing is better than the sound insulation and noise reduction effect of static particulate matter.
The present invention has the advantage that: the noise reduction sound insulation water curtain structure of the present invention is simple, and easy for installation, soundproof effect is good, joins
Close some Art Designs of prior art, there is fabulous aesthetic, the noise reduction sound insulation being suitable for some large-scale public places of entertainment needs
Ask.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Shield scope.
Claims (5)
1. a kind of noise reduction sound insulation water curtain structure, it is characterised in that including tank, is erect in described tank and is provided with installing plate, institute
State tank both sides setting matcoveredn, described protective layer and installing plate be arranged in parallel；Described installing plate is internally provided with many and leads
Pipe, is provided with micro pump in described tank, and described tube at one end connects water pump, and the other end passes from installing plate top；Described
Water in tank is transported to installing plate top through conduit by water pump, then flows down formation water curtain from installing plate top, flows back in tank；
Equipped with noise reduction liquid in described tank, the composition of raw materials of described noise reduction liquid is by each group packet of following parts by weight
Become:
50 ~ 80 parts of water；
2 ~ 5 parts of pectin；
10 ~ 20 parts of incense burner ash；
0.5 ~ 1 part of polyurethane resin；
The ashes that described incense burner ash is family, temple stays when burning joss sticks.
2. noise reduction sound insulation water curtain structure according to claim 1 it is characterised in that the preparation method of described noise reduction liquid such as
Under: first incense burner ash is put in the sulfuric acid solution that concentration is 1.5mol/l, stirring was soaked 30 minutes after 15 minutes, then mistake
Filter, is cleaned with clear water and obtains black solid after drying；By this black solid grind into powder, mix with pectin, polyurethane resin
Conjunction is put in water, is uniformly mixing to obtain noise reduction liquid.
3. noise reduction sound insulation water curtain structure according to claim 1 is it is characterised in that described incense burner ash is family or temple is fragrant
The incense burner ash block of furnace bottom deposition.
4. noise reduction sound insulation water curtain structure according to claim 1 is it is characterised in that described installation plate surface is provided with and slows down
The protruding block of water velocity.
5. noise reduction sound insulation water curtain structure according to claim 1 is it is characterised in that the current stream of described noise reduction sound insulation water curtain
Speed is 0.5 ~ 1.5m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006561.7A CN104532975B (en) | 2015-01-07 | 2015-01-07 | Noise reducing and sound insulating water curtain structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006561.7A CN104532975B (en) | 2015-01-07 | 2015-01-07 | Noise reducing and sound insulating water curtain structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532975A CN104532975A (en) | 2015-04-22 |
| CN104532975B true CN104532975B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510006561.7A Expired - Fee Related CN104532975B (en) | 2015-01-07 | 2015-01-07 | Noise reducing and sound insulating water curtain structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577812A (en) * | 2018-12-14 | 2019-04-05 | 广西祖昌门业有限公司 | Reduce the kitchen door special of noise jamming |
| CN111554259B (en) * | 2020-04-15 | 2023-07-28 | 广东精铟海洋工程股份有限公司 | Silencer of ocean hydraulic pile hammer |
| CN113053345B (en) * | 2021-03-12 | 2024-04-12 | 清研特材科技(洛阳)有限公司 | Water curtain/foamed aluminum composite noise reduction method and noise reduction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100793297B1 (en) * | 2004-03-25 | 2008-01-10 | 이광우 | Plant growing system for the bare surface |
| CN1897107A (en) * | 2005-07-11 | 2007-01-17 | 谢土根 | Self-adhering environmental-protective sound-absorbing cotton and its production |
| CN203640075U (en) * | 2014-01-06 | 2014-06-11 | 北京灵众博通科技有限公司 | Internal and external sound-insulation color steel plate |
| CN104060712A (en) * | 2014-06-23 | 2014-09-24 | 苏州金螳螂建筑装饰股份有限公司 | Heat-insulating and sound-insulating insulation board structure in indoor large-temperature-difference area |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Tao Inventor after: Liu Wenqi Inventor after: Feng Pengfei Inventor after: Zhang Shaohua Inventor after: Li Lan Inventor after: Li Dalong Inventor after: Han Fen Inventor after: Liu Genjun Inventor after: Zhang Fa Inventor before: Huang Wenhui |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20161128 Address after: 037008 No. 41, Xinjian South Road, Datong City, Shanxi Province Applicant after: DATONG SANJIAN GROUP CO., LTD. Address before: Sanjiang ancient kiln village of Leping town Sanshui District of Guangdong Province, Foshan City West 528000 North Lane No. 44 Applicant before: Huang Wenhui |
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Granted publication date: 20170201 Termination date: 20210107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |