CN211616866U - Corrugated sandwich plate with periodic reinforced composite structure - Google Patents
Corrugated sandwich plate with periodic reinforced composite structure Download PDFInfo
- Publication number
- CN211616866U CN211616866U CN201922403994.2U CN201922403994U CN211616866U CN 211616866 U CN211616866 U CN 211616866U CN 201922403994 U CN201922403994 U CN 201922403994U CN 211616866 U CN211616866 U CN 211616866U
- Authority
- CN
- China
- Prior art keywords
- corrugated
- plates
- panel
- composite structure
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a cycle adds muscle composite construction ripple sandwich panel, including top panel and lower panel, still include: corrugated plates, stiffened plates and filling materials; the corrugated plate, the stiffened plate and the filling material are positioned between interlayers formed by the upper panel and the lower panel. The sandwich plate of the embodiment of the utility model combines the broadband characteristic and the periodic composite structure of the porous sound absorption material, the periodic composite structure has the forbidden band characteristic, can prevent the vibration in the specific frequency range from spreading in the structure, and has good middle and low frequency characteristics, thereby improving the absorption of low frequency noise; the technical problem of the prior art that the noise reduction effect of the partition board in a low frequency domain is poor is solved.
Description
Technical Field
The utility model relates to a field of making an uproar falls especially relates to a cycle adds muscle composite construction ripple sandwich panel.
Background
The equipment such as a transformer and the like inevitably generates noise during operation, and particularly, the continuous noise is particularly prominent during night when the equipment such as the transformer and the like continuously operates for 24 hours. Establishing an acoustic barrier around a noise source is a common noise control strategy that can attenuate the effect of noise on the surrounding environment in the propagation path.
The noise of the transformer and other devices is usually mainly low frequency. The porous sound absorption material is a material which utilizes internal damping to dissipate energy so as to achieve vibration and noise reduction, and has the characteristics of low manufacturing cost, good applicability and the like, but the noise reduction effect in a low frequency domain is poor. At present, porous sound absorption materials are adopted in most of sound insulation boards, so that the noise reduction effect of most of sound insulation boards in a low frequency range is poor.
In summary, the technical problem of poor noise reduction effect of the sound insulation board in the low frequency domain exists in the prior art.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model discloses period adds muscle composite construction ripple sandwich panel has solved the relatively poor technical problem of noise reduction effect of acoustic celotex board in the low frequency domain that exists among the prior art.
The embodiment of the utility model provides a cycle adds muscle composite construction ripple sandwich panel, including top panel and lower panel, still include: corrugated plates, stiffened plates and filling materials; the corrugated plate, the stiffened plate and the filling material are positioned between interlayers formed by the upper panel and the lower panel.
Preferably, the corrugated plate is a one-way corrugated plate, and the corrugated direction of the corrugated plate is along the horizontal direction of the interlayer.
Preferably, the outer side surfaces of the wave crests of the corrugated plates are connected with the inner side surface of the upper panel, and the outer side surfaces of the wave troughs of the corrugated plates are connected with the inner side surface of the lower panel.
Preferably, the corrugated plate has a sinusoidal cross section.
Preferably, the ribbed plates are installed perpendicular to the upper panel and the lower panel of the sandwich layer, and the ribbed plates separate the corrugated plates.
Preferably, the filling material is filled in grooves formed by the corrugations of the corrugated plate, and the wave crests and the wave troughs of the corrugated plate are filled with gas.
Preferably, the filling material is a porous sound absorption material.
Preferably, the filling material is spun glass wool.
Preferably, the corrugated plate and the stiffened plate are provided with micro-perforations.
Preferably, the upper panel and the lower panel are made of steel, the stiffened plate is made of steel, and the corrugated plate is made of thin metal plates.
According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:
the utility model discloses the intermediate layer board has combined porous sound absorbing material's wide band characteristic and cycle composite construction, and cycle composite construction has the forbidden band characteristic, can prevent the vibration in the specific frequency range to propagate in the structure, has good low-and-medium frequency characteristic, and reserves the gas layer of certain thickness between porous sound absorbing material and buckled plate, has used one deck gas as sound absorbing structure again after the sound absorbing material equivalently, has also equivalently increased porous material's thickness to improve the absorption to low frequency noise; the technical problem of the prior art that the noise reduction effect of the partition board in a low frequency domain is poor is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a three-dimensional schematic view of a corrugated sandwich plate with a periodic reinforced composite structure provided in an embodiment of the present invention;
fig. 2 is a longitudinal side view of a corrugated sandwich plate with a periodic reinforced composite structure provided in an embodiment of the present invention.
Fig. 3 is a lateral side view of a corrugated sandwich plate with a periodic reinforced composite structure provided in an embodiment of the present invention (the figure is not filled with porous sound absorbing material).
Fig. 4 is a lateral side view of a corrugated sandwich plate with a periodic reinforced composite structure provided in an embodiment of the present invention (without a reinforcing plate in the figure).
Fig. 5 is a schematic diagram of a single corrugation of a periodic reinforced composite structure corrugated sandwich plate according to an embodiment of the present invention.
Fig. 6 is a schematic view of a single stiffened plate of a periodic stiffened composite corrugated sandwich plate according to an embodiment of the present invention.
In the drawings: the plate comprises an upper panel 1, a lower panel 2, a corrugated plate 3, a stiffened plate 4, a filling material 5, gas 6 and micro-perforations 7.
Detailed Description
The embodiment of the utility model discloses period adds muscle composite construction ripple sandwich panel has solved the relatively poor technical problem of noise reduction effect that has porous sound absorbing material in the low frequency domain among the prior art.
Referring to fig. 1, an embodiment of a corrugated sandwich plate with a periodic reinforced composite structure provided in an embodiment of the present invention includes:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment of the present invention provides a periodic reinforced composite structure corrugated sandwich plate, which includes an upper panel 1 and a lower panel 2, and further includes: a corrugated plate 3, a stiffened plate 4 and a filling material 5; the corrugated plate 3, the stiffened plate 4 and the filling material 5 are positioned between the interlayer formed by the upper panel 1 and the lower panel 2.
The corrugated plate 3 is of a periodic composite structure and has a forbidden band characteristic, vibration in a specific frequency range can be prevented from being transmitted in the structure, the corrugated plate 3 and the filling material 5 are matched with each other, absorption of low-frequency noise is improved, and the reinforcing plate 4 is arranged to enable the sandwich plate to have sufficient structural strength, so that the requirement of structural mechanical property is met.
As a preferred embodiment, the corrugated plate 3 is a unidirectional corrugated plate 3, and the corrugation direction of the corrugated plate 3 is along the horizontal direction of the interlayer. The ripple of buckled plate 3 can be isolated to low frequency noise along interbedded horizontal direction furthest, improves the isolated effect of sandwich panel to low frequency noise.
As a preferred embodiment, the outer side surfaces of the peaks of the corrugation plates 3 are connected to the inner side surface of the upper panel 1, and the outer side surfaces of the valleys of the corrugation plates 3 are connected to the inner side surface of the lower panel 2. With the crest and the trough of buckled plate 3 be connected with top panel 1 and lower panel 2 respectively, but furthest's increase buckled plate 3 surface area increases the isolated effect of buckled plate 3 to low frequency noise to increase sandwich panel's structural strength.
As a preferred embodiment, the corrugated plate 3 has a sinusoidal cross-section. The sine wave is a typical periodic wave, and similarly, the cross section of the wave of the corrugated plate 3 can also be triangular or rectangular, and the two waves are also periodic waves and can play the same role as the sine wave.
As a preferred embodiment, the ribbed plates 4 are installed perpendicular to the upper panel 1 and the lower panel 2 of the sandwich, and the ribbed plates 4 separate the corrugated plates 3. The upper panel 1 and the lower panel 2 are supported by the stiffened plate 4, so that the structural strength of the sandwich plate is increased, and the requirement on the structural mechanical property is met.
In a preferred embodiment, the filling material 5 is filled in the grooves formed by the corrugations of the corrugated plate 3, and the wave crests and wave troughs of the corrugated plate 3 are filled with the gas 6. An air layer with a certain thickness is reserved between the filling material 5 and the corrugated plate 3, which is equivalent to using a layer of air as a sound absorption structure behind the filling material 5 and also equivalent to increasing the thickness of the filling material 5, so that the absorption of low-frequency noise can be improved, and the corrugated plate is more economical and effective.
In a preferred embodiment, the filling material 5 is a porous sound-absorbing material. The porous sound absorption material has the characteristics of low manufacturing cost, good applicability and the like, and is suitable for large-scale popularization.
As a preferred embodiment, the filling material 5 is spun glass wool.
As shown in fig. 5 and 6, as a preferred embodiment, micro-perforations 7 are provided on the corrugated plate 3 and the ribbed plate 4. The size and the distribution density of the micro-perforation 7 can be designed according to the requirements of vibration reduction and noise reduction, the absorption effect of the composite structure on low-frequency noise can be improved by arranging the micro-perforation 7, and the absorption effect of the sandwich plate on the low-frequency noise is further improved.
In a preferred embodiment, the material of the upper panel 1 and the lower panel 2 is steel, the material of the stiffened plate 4 is steel, and the material of the corrugated plate 3 is thin metal plate. Thereby the intensity of upper panel 1, lower panel 2 and select for use steel as the material to promote the sandwich panel, and select for use corrugated plate 3 to play noise reduction effect simultaneously with the weight that thin metal sheet can reduce the sandwich panel.
It is right above the utility model provides a cycle adds muscle composite construction ripple sandwich panel and has introduced in detail, to the general technical personnel in this field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and application scope, to sum up, this specification content should not be understood as right the utility model discloses a restriction.
Claims (10)
1. The utility model provides a cycle adds muscle composite construction ripple sandwich panel, includes top panel and lower panel, its characterized in that still includes: corrugated plates, stiffened plates and filling materials; the corrugated plate, the stiffened plate and the filling material are positioned between interlayers formed by the upper panel and the lower panel.
2. The corrugated sandwich panel with the periodically reinforced composite structure according to claim 1, wherein the corrugated plates are unidirectional corrugated plates, and the corrugation direction of the corrugated plates is along the horizontal direction of the sandwich layer.
3. The corrugated sandwich panel with a periodically reinforced composite structure according to claim 2, wherein the outer side surfaces of the wave crests of the corrugated sheets are connected to the inner side surface of the upper face plate, and the outer side surfaces of the wave troughs of the corrugated sheets are connected to the inner side surface of the lower face plate.
4. The corrugated sandwich panel of a periodically stiffened composite structure of claim 2 wherein said corrugated panel has a sinusoidal wave pattern in its cross-section.
5. A corrugated sandwich panel with periodically stiffened composite structure according to claim 1, wherein said stiffened plates are mounted perpendicular to the upper and lower panels of the sandwich and are spaced apart by stiffened plates.
6. The corrugated sandwich panel with a periodically reinforced composite structure according to claim 1, wherein the filling material is filled in the grooves formed by the corrugations of the corrugated sheets, and the peaks and the troughs of the corrugated sheets are filled with gas.
7. The corrugated sandwich panel with a periodically reinforced composite structure as claimed in claim 6, wherein said filler material is a porous sound absorbing material.
8. The corrugated sandwich panel of periodically stiffened composite structure of claim 7 wherein said filler material is spun glass wool.
9. The corrugated sandwich plate with the periodic reinforced composite structure according to claim 1, wherein micro-perforations are arranged on the corrugated plates and the reinforcing plates.
10. The corrugated sandwich plate with the periodically reinforced composite structure according to claim 1, wherein the upper and lower face plates are made of steel, the reinforcing plates are made of steel, and the corrugated plates are made of thin metal plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403994.2U CN211616866U (en) | 2019-12-27 | 2019-12-27 | Corrugated sandwich plate with periodic reinforced composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403994.2U CN211616866U (en) | 2019-12-27 | 2019-12-27 | Corrugated sandwich plate with periodic reinforced composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211616866U true CN211616866U (en) | 2020-10-02 |
Family
ID=72632899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922403994.2U Active CN211616866U (en) | 2019-12-27 | 2019-12-27 | Corrugated sandwich plate with periodic reinforced composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211616866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954890A (en) * | 2021-11-10 | 2022-01-21 | 株洲国创轨道科技有限公司 | Noise reduction floor for railway vehicle |
-
2019
- 2019-12-27 CN CN201922403994.2U patent/CN211616866U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954890A (en) * | 2021-11-10 | 2022-01-21 | 株洲国创轨道科技有限公司 | Noise reduction floor for railway vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207032561U (en) | A kind of sound-proof wall body structure | |
| CN103291011A (en) | Process for constructing metal roof of building with super-large space | |
| CN210798047U (en) | Porous insulation construction of light wallboard | |
| CN211616866U (en) | Corrugated sandwich plate with periodic reinforced composite structure | |
| CN207032569U (en) | A kind of assembled sound absorption wall body structure | |
| CN202299233U (en) | Sound-absorption sound-proof panel | |
| CN105369923A (en) | Multilayer composite grid sound barrier and application of multilayer composite grid sound barrier | |
| CN103291014A (en) | Metal roof structure | |
| CN203270962U (en) | Metal roof structure | |
| CN210827890U (en) | Double-layer sound insulation board for subway | |
| CN212534655U (en) | Light sound-proof wall for building | |
| CN114670521B (en) | Sandwich honeycomb embedded coupling structure sound insulation board | |
| CN205276552U (en) | Metal sheet light partition wall | |
| CN103291015A (en) | Metal roof of building with super-large space | |
| CN210087179U (en) | Door core vacuum filling plate with sound insulation function | |
| CN203296272U (en) | Super-large space building metal roof | |
| CN216865546U (en) | Non-metal heat-insulation fireproof sound-absorbing decorative plate | |
| CN110924546A (en) | Inhale compound core plate structure of pressing from both sides of sound insulation | |
| CN107910172A (en) | A kind of transformer denoising device | |
| CN206128440U (en) | Light fire prevention is given sound insulation and is made up wallboard | |
| CN109808828A (en) | A kind of compound sound insulationg board of lightweight peculiar to vessel and manufacturing method | |
| CN109774262A (en) | A kind of compound sound-insulation wallboard of ship's space segmentation | |
| CN217892116U (en) | Shock-absorbing noise-reducing multilayer aluminum alloy honeycomb plate for building | |
| CN218149062U (en) | Steel construction factory building cold bridge wall structure of preventing | |
| CN211473368U (en) | Effectual environmental protection building templates gives sound insulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |