CN208329236U - Substation's aluminum fiber multiple resonance Felt - Google Patents
Substation's aluminum fiber multiple resonance Felt Download PDFInfo
- Publication number
- CN208329236U CN208329236U CN201820929459.3U CN201820929459U CN208329236U CN 208329236 U CN208329236 U CN 208329236U CN 201820929459 U CN201820929459 U CN 201820929459U CN 208329236 U CN208329236 U CN 208329236U
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- CN
- China
- Prior art keywords
- aluminum
- fiberboard
- microperforated panel
- substation
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses substation's aluminum fiber multiple resonance Felts, including wall and aluminum fiberboard, the aluminum fiberboard is by keel installation on wall, the aluminum fiberboard passes through keel far from wall on one side and connects microperforated panel, the first resonant cavity is formed between the microperforated panel and aluminum fiberboard, the second resonant cavity is formed between the aluminum fiberboard and wall, the microperforated panel is fixedly connected with damping sheet far from aluminum fiberboard on one side, the damping sheet sticks on one side far from microperforated panel foam noise reduction layer, the aluminum fiberboard includes outer aluminium net plate and interior aluminium net plate, clamping connection has aluminum fiber mat and aluminium foil between the outer aluminium net plate and interior aluminium net plate.The device passes through setting foam noise reduction layer and damping sheet, so that high-frequency noises sound wave by well inhaled every, by setting microperforated panel, the first resonant cavity, aluminum fiberboard and the second resonant cavity, enables sound to transform into thermal energy, have good sound absorption effect to Middle and low frequency noise sound wave.
Description
Technical field
The utility model relates to substation's noise management technique fields, specially substation's aluminum fiber multiple resonance sound absorption
Plate.
Background technique
Substation is voltage of transformation in electric system, receiving and distribution electric energy, the flow direction for controlling electric power and adjustment voltage
Electric power facility, it is got up the grid contact of each step voltage by its transformer, since substation is located near residential building more, is become
The low, middle and high frequency noise that power station issues when working often can cause to perplex to neighbouring resident.
However common sound insulationg board is only arranged in surface of wall for the method for traditional table power station processing noise, it can only be to portion
Point high-frequency noises play the role of some sound absorptions, and effect and bad, are even more to be difficult to eliminate for low-frequency noise therein.
A kind of there is the Felt of good sound insulation effect that can solve low, middle and high frequency noise if can invent
Certainly problems, we provide substation's aluminum fiber multiple resonance Felts thus.
Utility model content
The purpose of this utility model is to provide substation's aluminum fiber multiple resonance Felts, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: substation's aluminum fiber multiple resonance sound absorption
Plate, including wall and aluminum fiberboard, the aluminum fiberboard is through keel installation on wall, and the aluminum fiberboard is far from wall one
Face connects microperforated panel by keel, and the first resonant cavity, the aluminum fiberboard are formed between the microperforated panel and aluminum fiberboard
The second resonant cavity is formed between wall, the microperforated panel is fixedly connected with damping sheet, the resistance far from aluminum fiberboard on one side
Buddhist nun's plate sticks on one side far from microperforated panel foam noise reduction layer.
Preferably, the aluminum fiberboard includes outer aluminium net plate and interior aluminium net plate, between the outer aluminium net plate and interior aluminium net plate
Clamping connection has aluminum fiber mat and aluminium foil.
Preferably, the damping sheet includes external damping plate and interior damping sheet, is led between the external damping plate and interior damping sheet
Cross spring layer connection.
Preferably, the aluminum fiberboard with a thickness of 0.8-2mm, surface density 1.4-3.2kg/m.
Preferably, the microperforated panel with a thickness of 1-1.5mm, the aperture of the microperforated panel is less than 1mm.
Preferably, the damping sheet with a thickness of 10-20mm, the foam noise reduction layer with a thickness of 12-25mm.
Preferably, the distance between the aluminum fiberboard and wall are 20-45mm, the microperforated panel and aluminum fiberboard it
Between distance be 10-30mm.
Compared with prior art, the utility model has the beneficial effects that
1. the device is by setting foam noise reduction layer and damping sheet so that high-frequency noises sound wave inhaled well every.
2. the device enables sound to convert by setting microperforated panel, the first resonant cavity, aluminum fiberboard and the second resonant cavity
As thermal energy, there is good sound absorption effect to Middle and low frequency noise sound wave.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of aluminum fiberboard in the utility model；
Fig. 3 is the structural schematic diagram of damping sheet in the utility model.
In figure: 1 wall, 2 keel, 3 aluminum fiberboards, 4 microperforated panels, 5 damping sheets, 6 foam noise reduction layers, 7 outer aluminium expanded sheets, 8
Aluminum fiber mat, 9 aluminium foils, aluminium expanded sheets in 10,11 external damping plates, damping sheet, 13 spring layers, 14 first resonant cavities, 15 second in 12
Resonant cavity.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the technical solution in the utility model, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: substation's aluminum fiber multiple resonance Felt,
Including wall 1 and aluminum fiberboard 3, aluminum fiberboard 3 is mounted on wall 1 by keel 2, and aluminum fiberboard 3 leads on one side far from wall 1
It crosses keel 2 and connects microperforated panel 4, form the first resonant cavity 14, aluminum fiberboard 3 and wall between microperforated panel 4 and aluminum fiberboard 3
The second resonant cavity 15 is formed between 1, two resonant cavities enable sound to be converted to thermal energy, have sound absorption effect well to low-frequency noise sound wave
Fruit, microperforated panel 4 are fixedly connected with damping sheet 5 far from aluminum fiberboard 3 on one side, and damping sheet 5 sticks on one side far from microperforated panel 4 to be had
Foam noise reduction layer 6, the medium-high frequency sound wave caning absorb in noise.
Further, aluminum fiberboard 3 includes outer aluminium net plate 7 and interior aluminium net plate 10, between outer aluminium net plate 7 and interior aluminium net plate 10
Clamping connection has aluminum fiber mat 8 and aluminium foil 9, has good sound absorbing performance.
Further, damping sheet 5 includes external damping plate 11 and interior damping sheet 12, between external damping plate 11 and interior damping sheet 12
It is connected by spring layer 13, there is good resistive effect to the medium-high frequency sound wave in noise.
Further, aluminum fiberboard 3 with a thickness of 0.8-2mm, surface density 1.4-3.2kg/m2.
Further, microperforated panel 4 with a thickness of 1-1.5mm, the aperture of microperforated panel 4 is less than 1mm.
Further, damping sheet 5 with a thickness of 10-20mm, foam noise reduction layer 6 with a thickness of 12-25mm.
Further, the distance between aluminum fiberboard 3 and wall 1 are 20-45mm, between microperforated panel 4 and aluminum fiberboard 3
Distance be 10-30mm.
Working principle: the noise that substation generates first passes around foam noise reduction layer 6, protrudes into the hole in foam noise reduction layer 6,
Part high-frequency noises sound wave is converted to heat absorption, remaining sound wave passes through the damping sheet 5 with spring layer 13, spring layer 13
Increase the resistance of air, high-frequency noises sound wave is stopped well, and then pass through microperforated panel 4, the first resonant cavity 14,
Aluminum fiberboard 3 and the second resonant cavity 15, the hole of microperforated panel 4, the hole of aluminum fiberboard 3 and the first resonant cavity 14 and second are total
The chamber 15 that shakes forms multilayer resonant structure, increases the resistance of air molecule, optimizes resonance effect, so that the sound of middle low-frequency sound wave
Thermal energy can be more transformed into, has good sound absorption effect, the combination of total, so that noise to Middle and low frequency noise sound wave
In low, middle and high frequency sound wave all by well inhaled every.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. substation's aluminum fiber multiple resonance Felt, including wall (1) and aluminum fiberboard (3), it is characterised in that: the aluminium
Fiberboard (3) is mounted on wall (1) by keel (2), and the aluminum fiberboard (3) passes through keel (2) on one side far from wall (1)
It connects microperforated panel (4), forms the first resonant cavity (14), the aluminum fiber between the microperforated panel (4) and aluminum fiberboard (3)
It is formed between plate (3) and wall (1) the second resonant cavity (15), the microperforated panel (4) is far from the fixed company of aluminum fiberboard (3) one side
It is connected to damping sheet (5), the damping sheet (5) is sticked on one side far from microperforated panel (4) foam noise reduction layer (6).
2. substation's aluminum fiber multiple resonance Felt according to claim 1, it is characterised in that: the aluminum fiberboard
It (3) include outer aluminium net plate (7) and interior aluminium net plate (10), clamping connection has aluminium fine between the outer aluminium net plate (7) and interior aluminium net plate (10)
Tie up felt (8) and aluminium foil (9).
3. substation's aluminum fiber multiple resonance Felt according to claim 1, it is characterised in that: the damping sheet
(5) include external damping plate (11) and interior damping sheet (12), pass through spring between the external damping plate (11) and interior damping sheet (12)
Layer (13) connection.
4. substation's aluminum fiber multiple resonance Felt according to claim 1, it is characterised in that: the aluminum fiberboard
(3) with a thickness of 0.8-2mm, surface density 1.4-3.2kg/m2.
5. substation's aluminum fiber multiple resonance Felt according to claim 1, it is characterised in that: the microperforated panel
(4) with a thickness of 1-1.5mm, the aperture of the microperforated panel (4) is less than 1mm.
6. substation's aluminum fiber multiple resonance Felt according to claim 1, it is characterised in that: the damping sheet
(5) with a thickness of 10-20mm, the foam noise reduction layer (6) with a thickness of 12-25mm.
7. substation's aluminum fiber multiple resonance Felt according to claim 1, it is characterised in that: the aluminum fiberboard
It (3) is 20- with the distance between wall (1)
45mm, the distance between the microperforated panel (4) and aluminum fiberboard (3) are 10-
30mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929459.3U CN208329236U (en) | 2018-06-14 | 2018-06-14 | Substation's aluminum fiber multiple resonance Felt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929459.3U CN208329236U (en) | 2018-06-14 | 2018-06-14 | Substation's aluminum fiber multiple resonance Felt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208329236U true CN208329236U (en) | 2019-01-04 |
Family
ID=64770953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820929459.3U Active CN208329236U (en) | 2018-06-14 | 2018-06-14 | Substation's aluminum fiber multiple resonance Felt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208329236U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080399A (en) * | 2019-04-26 | 2019-08-02 | 太原理工大学 | A kind of cast-in-place steel wire net rack integration composite sound absorbing device and its application method |
| CN110599991A (en) * | 2019-08-02 | 2019-12-20 | 全球能源互联网研究院有限公司 | Inhale sound insulation composite member and transformer |
| CN113700159A (en) * | 2021-09-07 | 2021-11-26 | 全球能源互联网研究院有限公司 | High-temperature-resistant sound insulation board |
-
2018
- 2018-06-14 CN CN201820929459.3U patent/CN208329236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080399A (en) * | 2019-04-26 | 2019-08-02 | 太原理工大学 | A kind of cast-in-place steel wire net rack integration composite sound absorbing device and its application method |
| CN110599991A (en) * | 2019-08-02 | 2019-12-20 | 全球能源互联网研究院有限公司 | Inhale sound insulation composite member and transformer |
| CN113700159A (en) * | 2021-09-07 | 2021-11-26 | 全球能源互联网研究院有限公司 | High-temperature-resistant sound insulation board |
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