CN108447469A - A kind of novel substation's sound-absorption composite board - Google Patents
A kind of novel substation's sound-absorption composite board Download PDFInfo
- Publication number
- CN108447469A CN108447469A CN201810453109.9A CN201810453109A CN108447469A CN 108447469 A CN108447469 A CN 108447469A CN 201810453109 A CN201810453109 A CN 201810453109A CN 108447469 A CN108447469 A CN 108447469A
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- CN
- China
- Prior art keywords
- sound
- absorption
- plate ontology
- composite
- composite plate
- 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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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of novel substation's sound-absorption composite boards, including composite plate ontology, aluminum fiber acoustic board, filling material, backboard and side plate, the composite plate ontology is made of aluminum fiber acoustic board, filling material and backboard successively from outside to inside, composite plate ontology both sides are both provided with side plate, one end of the composite plate ontology is provided with positive stop lug boss, and the other end of the composite plate ontology is provided with the limiting groove to match with positive stop lug boss.A kind of novel substation of the present invention uses sound-absorption composite board by aluminum fiber acoustic board and microperforated panel as basis material, aluminum fiberboard forms first layer resonating cativty with microperforated panel, microperforated panel forms second layer resonating cativty with wall, simultaneously polyester fiber is filled in first layer resonating cativty, this impedance double resonance sound absorption system can strengthen low frequency absorption performance and widen efficiently sound absorption frequency range and be easily installed.
Description
Technical field
The present invention relates to sound-absorption composite board relevant device technical field, specially a kind of novel substation is compound with absorbing sound
Plate.
Background technology
The structure type of conventional microporous fiber composite acoustic board generally use outer layer microperforated panel, internal layer aluminum fiberboard, should
Arrangement form can give full play to the sound absorbing performance of microperforated panel and porous fibre plate, while improving low frequency absorption performance, open up
Wide sound sucting band range, more traditional single structure sound-absorbing material has better application value, but the arrangement form still can not
Meet the depth noise reduction requirement of substation's low-frequency noise.
Invention content
The purpose of the present invention is to provide a kind of novel substation's sound-absorption composite boards, in the prior art can not solve
The problem of meeting the depth noise reduction requirement of substation's low-frequency noise.
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of novel substation's sound absorption
Composite plate, including composite plate ontology, aluminum fiber acoustic board, filling material, backboard and side plate, the composite plate ontology is from outside to inside
It is made of successively aluminum fiber acoustic board, filling material and backboard, composite plate ontology both sides are both provided with side plate, described compound
One end of plate ontology is provided with positive stop lug boss, and the other end of the composite plate ontology is provided with the limit to match with positive stop lug boss
Groove.
Further, the first resonating cativty, the backboard and installation wall are constituted between the aluminum fiber acoustic board and backboard
The second resonating cativty is formed between wall.
Further, filling material is provided in first resonating cativty, the filling material is set as polyester fiber
Material.
Further, the thickness of the polyester fiber material is set as 10cm-25cm, and the polyester fiber material thickness is set
It is set to 20cm.
Further, the backboard is set as microperforated panel, and the thickness of the microperforated panel is set as 0cm-20cm, described
Microperforated panel is set as 20cm, and microperforated panel surface percent opening is set as 75%-80%.
Further, the side plate intersects vertically with composite plate ontology both sides, and the height of side plate is set as 15cm-
20cm。
The outer diameter of the positive stop lug boss is slightly less than the internal diameter of limiting groove, and seal washer is provided in the limiting groove,
The seal washer is set as elastomeric material, and the section of positive stop lug boss and the adjacent composite plate ontology of limiting groove is upper
It is both provided with fluid sealant.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention has the characteristics that reasonable design and easy for installation,
A kind of novel substation of the present invention uses sound-absorption composite board by aluminum fiber acoustic board and microperforated panel as basis material, aluminum fiber
Plate forms first layer resonating cativty with microperforated panel, and microperforated panel forms second layer resonating cativty with wall, while in first layer
Polyester fiber is filled in resonating cativty, this impedance double resonance sound absorption system can strengthen low frequency absorption performance and widen height
Effect sound absorption frequency range.
(1), by being both provided with side plate in composite plate ontology both sides, the side plate is the present invention convenient for composite plate ontology
When wall is installed, resonating cativty is formed, in addition the present invention is provided with positive stop lug boss in one end of composite plate ontology, described multiple
The other end of plywood is provided with the limiting groove to match with positive stop lug boss, and the outer diameter of the positive stop lug boss is slightly less than limiting groove
Internal diameter, and then convenient for by the complementary snap-in function of limiting groove and positive stop lug boss, convenient for multiple compoiste sound-absorbing boards are carried out
Assembly is provided with seal washer in the limiting groove, and the seal washer is set as elastomeric material, and then effectively carries
The compactness that high positive stop lug boss connect with limiting groove, section of the positive stop lug boss and the adjacent composite plate ontology of limiting groove
It is both provided with fluid sealant on face, and then effectively raises connection sealing between adjacent composite plates.
Description of the drawings
Fig. 1 is the whole structural schematic diagram of the present invention；
Fig. 2 is enlarged drawing at A of the present invention；
Fig. 3 is vertical view of the present invention；
Fig. 4 is the attachment structure schematic diagram of composite plate ontology of the present invention；
Fig. 5 is the mounting structure schematic diagram of the present invention；
In figure：1- composite plates ontology, 11- aluminum fiber acoustic boards, 12- fillings material, 13- backboards, 2- side plates, 3- limit convexes
Platform, 4- limit card slots, 41- seal washers, 5- fluid sealants.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention provides a kind of technical solution：A kind of novel substation's use
Sound-absorption composite board, including composite plate ontology 1, aluminum fiber acoustic board 11, filling material 12, backboard 13 and side plate 2, it is reasonable for structure and
It is with obvious effects that noise reduction inhales life；
Composite plate ontology 1 is made of aluminum fiber acoustic board 11, filling material 12 and backboard 13 successively from outside to inside, aluminum fiber
The first resonating cativty is constituted between acoustic board 11 and backboard 13, backboard 13 and installation form the second resonating cativty between the walls, the
Filling material 12 is provided in one resonating cativty, filling material 12 is set as polyester fiber material, rock wool, polyurethane foam and poly-
Ester fiber is the sound-absorbing porous material of three kinds of routines and has feature below：The acoustic absorptivity wave of rock wool and polyurethane foam
Medium-high frequency is partial at peak, and with the raising of frequency, the acoustic absorptivity of polyurethane foam is continuously increased, until 1600Hz or so becomes
Change tends towards stability, and rock wool reaches maximum value in 800-900Hz or so acoustic absorptivities, and subsequent acoustic absorptivity slowly declines；And polyester
Fiber has good middle low frequency absorption performance, has highest sound absorption efficiency between 200-800Hz, when frequency is more than
800Hz, sound absorbing performance rapid decrease with the increase of frequency, and form a trough in 1400Hz or so, it is contemplated that become
The characteristic of environment residing for power station low frequency noise and substation, so select polyester fiber as the present invention filling material,
Polyester fiber obtains extensive use in noise reduction field, and in addition to good acoustical behavior, polyester fiber itself has good
Good physical property, meets the application requirement of the adverse circumstances such as substation, the thickness of polyester fiber material is set as 10cm-
25cm, polyester fiber material thickness are set as 20cm, and backboard 13 is set as microperforated panel, and the thickness of microperforated panel is set as 0cm-
20cm, microperforated panel is set as 20cm, and microperforated panel surface percent opening is set as 75%-80%, novel multiple in such cases
Acoustic board is closed using outer layer aluminum fiber acoustic board 11, internal layer microperforated panel (both backboards 13), central filler Polyester Fibers
And the thickness of the filling thickness and behind air chamber of Polyester Fibers is also improved there are while the structure of cavity in most inner side
The low frequency absorption ability of the present invention can be significantly improved under the premise of having substantially no effect on material high frequency sound absorbing performance；
1 both sides of composite plate ontology are both provided with side plate 2, and side plate 2 intersects vertically with 1 both sides of composite plate ontology, and side plate 2
Height be set as 15cm-20cm, when side plate 2 is that wall is installed convenient for composite plate ontology 1, formed resonating cativty, carry
High acoustic absorption performance；
One end of composite plate ontology 1 is provided with positive stop lug boss 3, and the other end of composite plate ontology 1 is provided with and positive stop lug boss 3
The limiting groove 4 to match, the outer diameter of positive stop lug boss 3 are slightly less than the internal diameter of limiting groove 4, and then convenient for passing through limiting groove 4
It is assembled convenient for carrying out multiple compoiste sound-absorbing boards with the complementary snap-in function of positive stop lug boss 3；Sealing is provided in limiting groove 4
Washer 41, seal washer 41 are set as elastomeric material, and then effectively raise positive stop lug boss 3 and the connection of limiting groove 4
Compactness；And the section of positive stop lug boss 3 and the adjacent composite plate ontology 1 of limiting groove 4 on be both provided with fluid sealant 5, into
And effectively raise connection sealing between adjacent composite plates ontology 1.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of novel substation's sound-absorption composite board, including composite plate ontology (1), aluminum fiber acoustic board (11), filling material
Matter (12), backboard (13) and side plate (2), which is characterized in that the composite plate ontology (1) is from outside to inside successively by aluminum fabric acoustic absorption
Plate (11), filling material (12) and backboard (13) are constituted, and composite plate ontology (1) both sides are both provided with side plate (2), described multiple
One end of plywood ontology (1) is provided with positive stop lug boss (3), and the other end of the composite plate ontology (1) is provided with and positive stop lug boss
(3) limiting groove (4) to match.
2. a kind of novel substation's sound-absorption composite board according to claim 1, which is characterized in that the aluminum fiber is inhaled
The first resonating cativty is constituted between sound plate (11) and backboard (13), the backboard (13) and installation form the second resonance between the walls
Cavity.
3. a kind of novel substation's sound-absorption composite board according to claim 1, which is characterized in that first resonance
Filling material (12) is provided in cavity, the filling material (12) is set as polyester fiber material.
4. a kind of novel substation's sound-absorption composite board according to claim 3, which is characterized in that the polyester fiber
The thickness of material is set as 10cm-25cm, and the polyester fiber material thickness is set as 20cm.
5. a kind of novel substation's sound-absorption composite board according to claim 1, which is characterized in that the backboard (13)
It is set as microperforated panel, the thickness of the microperforated panel is set as 0cm-20cm, and the microperforated panel is set as 20cm, and micro- wears
Orifice surface percent opening is set as 75%-80%.
6. a kind of novel substation's sound-absorption composite board according to claim 1, which is characterized in that the side plate (2)
It intersects vertically with composite plate ontology (1) both sides, and the height of side plate (2) is set as 15cm-20cm.
7. a kind of novel substation's sound-absorption composite board according to claim 1, which is characterized in that the positive stop lug boss
(3) outer diameter is slightly less than the internal diameter of limiting groove (4), and seal washer (41), the sealing are provided in the limiting groove (4)
Washer (41) is set as elastomeric material, and section of positive stop lug boss (3) and the adjacent composite plate ontology (1) of limiting groove (4)
Fluid sealant (5) is both provided on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453109.9A CN108447469A (en) | 2018-05-14 | 2018-05-14 | A kind of novel substation's sound-absorption composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453109.9A CN108447469A (en) | 2018-05-14 | 2018-05-14 | A kind of novel substation's sound-absorption composite board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108447469A true CN108447469A (en) | 2018-08-24 |
Family
ID=63203128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810453109.9A Withdrawn CN108447469A (en) | 2018-05-14 | 2018-05-14 | A kind of novel substation's sound-absorption composite board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108447469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529993A (en) * | 2021-08-04 | 2021-10-22 | 睿辉声学(深圳)科技有限公司 | Sound absorption assembly for anechoic chamber and anechoic chamber |
-
2018
- 2018-05-14 CN CN201810453109.9A patent/CN108447469A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529993A (en) * | 2021-08-04 | 2021-10-22 | 睿辉声学(深圳)科技有限公司 | Sound absorption assembly for anechoic chamber and anechoic chamber |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |
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| WW01 | Invention patent application withdrawn after publication |