CN203462967U - Rainproof noise eliminating louver blades and rain-proof and noise eliminating louver for power generation unit - Google Patents
Rainproof noise eliminating louver blades and rain-proof and noise eliminating louver for power generation unit Download PDFInfo
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- CN203462967U CN203462967U CN201320532550.9U CN201320532550U CN203462967U CN 203462967 U CN203462967 U CN 203462967U CN 201320532550 U CN201320532550 U CN 201320532550U CN 203462967 U CN203462967 U CN 203462967U
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- rainproof
- muffling
- noise eliminating
- louver
- louvre blade
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Abstract
The utility model discloses rainproof noise eliminating louver blades and a rainproof noise eliminating louver for a power generation unit. The rainproof noise eliminating louver blades are in inverted V shapes and comprise rainproof plates, sound damping material layers and sound damping hole plates, wherein the sound damping material layers are arranged between the rainproof plates and the sound damping hole plates in a clamping way. The rainproof noise eliminating louver comprises an installation frame and the rainproof noise eliminating louver blades, wherein the rainproof noise eliminating louver blades are arranged in the installation frame through two side end surfaces of the inverted V shapes, the installation distances of the rainproof noise eliminating louver blades are the same, and the rainproof noise eliminating louver blades are uniformly and parallelly distributed in the installation frame. According to the rainproof noise eliminating louver blades and the rainproof noise eliminating louver, disclosed by the utility model, the requirement of preventing rainwater from entering into the power generation unit when the power generation unit is in running is met, radial noise is ensured to be removed out of a cover after being completely subjected to noise eliminating and noise reducing through the rainproof noise eliminating louver, no leakage of the noise is ensured before the noise passes through the rainproof noise eliminating louver, and rainproof and noise-reducing effects are obvious.
Description
Technical field
The utility model relates to Rainproof muffling device, particularly relates to a kind of Rainproof muffling louvre blade for generating set and Rainproof muffling shutter.
Background technology
Shutter is conventional device in rainproof bell-type generating set, it is for ventilation and rainproof, the rain-proof structure that the ventilation opening of existing rainproof bell-type generating set adopts is steel shutter window, and noise-reducing structure is Sound Attenuator, and both are arranged apart, all only there is unique function, in real work, due to the restriction of arrangement space, tend to cause the insufficient space of rain cover like this, need to strengthen cover body appearance and size and cause cost to increase, or reduction Sound Attenuator volume and the situation that causes erasure effect to decline.
Summary of the invention
Technical problem to be solved in the utility model is: make up above-mentioned the deficiencies in the prior art, a kind of Rainproof muffling louvre blade for generating set and Rainproof muffling shutter are proposed, can effectively stop in the rain cover of rainwater inflow generator group, the noise of radiation in the time of absorbing again generating set operation, rainproof noise reduction successful.
Technical problem of the present utility model is solved by following technical scheme:
For a Rainproof muffling louvre blade for generating set, described Rainproof muffling louvre blade is reverse V-shaped, comprises flashing board, quieter material layer and muffling hole plate, and described quieter material layer is located between described flashing board and muffling hole plate.
Preferably, also comprise armour layer, described armour layer is located between described quieter material layer and described muffling hole plate, is coated on the external surface of described quieter material layer.
Preferably, described flashing board is steel plate or aluminium sheet.
Preferably, described quieter material layer adopts glass fibre cotton or rock wool.
Preferably, described muffling hole plate adopts zinc-plated orifice plate or aluminium orifice plate.
Preferably, described armour layer adopts glass-fiber-fabric.
A kind of Rainproof muffling shutter for generating set, comprise installing frame and above-mentioned arbitrary described Rainproof muffling louvre blade, described Rainproof muffling louvre blade is fixedly mounted in described installing frame by two reverse V-shaped side end faces, identical, even and parallel being distributed in described installing frame of described Rainproof muffling louvre blade installation interval.
The beneficial effect that the utility model is compared with the prior art is: Rainproof muffling louvre blade of the present utility model is reverse V-shaped, its oblique structure can effectively stop that the rain cover of rainwater inflow generator group is inner, reach rainproof effect, simultaneously when noise is flowed through Rainproof muffling louvre blade, between muffling hole plate and flashing board, form resonant cavity, low, intermediate frequency noise is absorbed, inner quieter material layer is absorbing high-frequency noise, guaranteed that the noise of generating set radiation is completely after sound-deadening louver carries out noise elimination noise reduction, just discharge outside cover, guaranteed noise nothing leakage before the Rainproof muffling shutter of flowing through, rainproof noise reduction effect is remarkable, and of the present utility model simple in structure, when allowing air-flow to pass through, can stop rainwater to enter, gas-flow resistance is little, sound deadening capacity is large, take up room little, cost is low.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram that is equipped with the rainproof bell-type generating set of Rainproof muffling shutter in the utility model embodiment mono-;
Fig. 2 is the general illustration of the Rainproof muffling shutter in the utility model embodiment mono-;
Fig. 3 is the sectional structure schematic diagram of Fig. 2;
Fig. 4 is the structural representation of a Rainproof muffling louvre blade in Fig. 3;
Fig. 5 is the sizing specification schematic diagram of the Rainproof muffling louvre blade in Fig. 3.
The specific embodiment
Preferred embodiment the utility model is described in further detail to contrast accompanying drawing combination below.
The utility model provides a kind of Rainproof muffling louvre blade for generating set, in one embodiment, described Rainproof muffling louvre blade is reverse V-shaped, comprises flashing board, quieter material layer and muffling hole plate, and described quieter material layer is located between described flashing board and muffling hole plate.
In a preferred embodiment, also comprise armour layer, described armour layer is located between described quieter material layer and described muffling hole plate, is coated on the external surface of described quieter material layer.
Wherein, further preferably flashing board is steel plate or aluminium sheet, and quieter material layer adopts glass fibre cotton or rock wool, and muffling hole plate adopts zinc-plated orifice plate or aluminium orifice plate, and described armour layer adopts glass-fiber-fabric.The utility model also provides a kind of Rainproof muffling shutter for generating set, in one embodiment, comprise installing frame and above-mentioned arbitrary described Rainproof muffling louvre blade, described Rainproof muffling louvre blade is fixedly mounted in described installing frame by two reverse V-shaped side end faces, identical, even and parallel being distributed in described installing frame of described Rainproof muffling louvre blade installation interval.
The utility model is applicable in rainproof bell-type generating set, on the rain cover of generating set, set up Rainproof muffling shutter, the requirement that has stoped rainwater to enter while having met generating set operation, and the noise that has guaranteed generating set radiation is completely after sound-deadening louver carries out noise elimination noise reduction, just discharge outside cover, guaranteed noise nothing leakage before the Rainproof muffling shutter of flowing through, rainproof noise reduction effect is remarkable.By embodiment more specifically, describe below.
embodiment mono-
As shown in Figure 1, rainproof bell-type generating set, comprise generator 3, rain cover 2 and Rainproof muffling shutter 1, rain cover 2 is the inner casing that is provided with cavity, generating set 3 is placed in rain cover 2 inside, Rainproof muffling shutter 1 is arranged on rain cover 2, and the air intake 13 of Rainproof muffling shutter is in communication with the outside, air outlet 14 and rain cover 2 internal communication.The air outlet 14 of Rainproof muffling shutter and generating set docking, so just guaranteed that the noise of generating set radiation is discharged outside cover completely after the noise elimination noise reduction of Rainproof muffling shutter, guaranteed noise nothing leakage before the Rainproof muffling shutter of flowing through.
As shown in Figures 2 and 3, Rainproof muffling shutter is assembled by installing frame 11 and Rainproof muffling louvre blade 12, installing frame 11 surrounds quadrangle by steel plate processing welding, there are abundant strength and stiffness, Rainproof muffling louvre blade installation interval is identical, even and parallel being distributed in installing frame 1, is fixedly welded in installing frame 11 by two reverse V-shaped side end faces, and all seams are broken fluid sealant.
Each Rainproof muffling louvre blade is an independently muffling unit, as shown in Figure 4, Rainproof muffling louvre blade comprises flashing board 121, quieter material layer 122 and muffling hole plate 124, flashing board 121 is reverse V-shaped for steel plate bending forms, quieter material layer 122 adopts glass fibre cotton, density is 48K, and muffling hole plate adopts zinc-plated orifice plate, and the surface of the glass fibre cotton contacting with muffling hole plate 124 is also coated with glass-fiber-fabric as armour layer 123.
When rainwater is flowed through Rainproof muffling louvre blade, it is inner that the oblique structure of flashing board can effectively stop that rainwater flows into rain cover, thereby reach rainproof effect, when noise is flowed through Rainproof muffling louvre blade, between muffling hole plate and flashing board, form resonant cavity, low, intermediate frequency noise is absorbed, and inner quieter material layer is absorbing high-frequency noise, rainproof noise reduction successful.During application, can by changing length, installation interval, thickness and the quieter material layer density of Rainproof muffling louvre blade, be applied to the generating set of different capacity, through experiment, detect, the noise reduction of each Rainproof muffling louvre blade is between 20-40dB (A).
As shown in Figure 5, in this example, the thickness of Rainproof muffling louvre blade is 50mm, length is 390mm, installation interval is 170mm, and reverse V-shaped oblique structure is enough to stop that the rain cover of rainwater inflow generator group is inner, and in this example, reverse V-shaped angle is 100 °, wherein interval refers to the vertical distance of the reverse V-shaped junction, two sides of any two adjacent Rainproof muffling louvre blades, and length refers to each edge lengths sum of reverse V-shaped side end face.
embodiment bis-
Be with the difference of embodiment mono-: flashing board adopts aluminium sheet, quieter material layer adopts rock wool, and muffling hole plate adopts aluminium orifice plate, and the thickness of Rainproof muffling louvre blade is 100mm, interval 340mm, and length is 790mm, reverse V-shaped angle is 100 °.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; can also make some being equal to substitutes or obvious modification, and performance or purposes identical, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. for a Rainproof muffling louvre blade for generating set, it is characterized in that: described Rainproof muffling louvre blade is reverse V-shaped, comprises flashing board, quieter material layer and muffling hole plate, described quieter material layer is located between described flashing board and muffling hole plate.
2. Rainproof muffling louvre blade as claimed in claim 1, is characterized in that: also comprise armour layer, described armour layer is located between described quieter material layer and described muffling hole plate, is coated on the external surface of described quieter material layer.
3. Rainproof muffling louvre blade as claimed in claim 1, is characterized in that: described flashing board is steel plate or aluminium sheet.
4. Rainproof muffling louvre blade as claimed in claim 1, is characterized in that: described quieter material layer adopts glass fibre cotton or rock wool.
5. Rainproof muffling louvre blade as claimed in claim 1, is characterized in that: described muffling hole plate adopts zinc-plated orifice plate or aluminium orifice plate.
6. Rainproof muffling louvre blade as claimed in claim 2, is characterized in that: described armour layer adopts glass-fiber-fabric.
7. the Rainproof muffling shutter for generating set, it is characterized in that: comprise the arbitrary described Rainproof muffling louvre blade of installing frame and claim 1-6, described Rainproof muffling louvre blade is fixedly mounted in described installing frame by two reverse V-shaped side end faces, identical, even and parallel being distributed in described installing frame of described Rainproof muffling louvre blade installation interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532550.9U CN203462967U (en) | 2013-08-29 | 2013-08-29 | Rainproof noise eliminating louver blades and rain-proof and noise eliminating louver for power generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320532550.9U CN203462967U (en) | 2013-08-29 | 2013-08-29 | Rainproof noise eliminating louver blades and rain-proof and noise eliminating louver for power generation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203462967U true CN203462967U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320532550.9U Expired - Fee Related CN203462967U (en) | 2013-08-29 | 2013-08-29 | Rainproof noise eliminating louver blades and rain-proof and noise eliminating louver for power generation unit |
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| Country | Link |
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| CN (1) | CN203462967U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403822A (en) * | 2018-12-06 | 2019-03-01 | 吕林晏 | A kind of ventilation noise reduction shutter |
| CN111928405A (en) * | 2020-07-21 | 2020-11-13 | 江阴市博强装饰材料有限公司 | Shutter convenient for indoor air circulation |
| CN111963033A (en) * | 2020-08-20 | 2020-11-20 | 安徽信息工程学院 | Multipurpose louver blade |
-
2013
- 2013-08-29 CN CN201320532550.9U patent/CN203462967U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403822A (en) * | 2018-12-06 | 2019-03-01 | 吕林晏 | A kind of ventilation noise reduction shutter |
| CN111928405A (en) * | 2020-07-21 | 2020-11-13 | 江阴市博强装饰材料有限公司 | Shutter convenient for indoor air circulation |
| CN111963033A (en) * | 2020-08-20 | 2020-11-20 | 安徽信息工程学院 | Multipurpose louver blade |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20170829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |