CN206711599U - A kind of cycle born of the same parents structure composite sound panel - Google Patents
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Abstract
本实用新型公开了一种周期胞结构复合隔音板，包括上端的面板、下端的背板、位于面板和背板之间的周期胞芯层；周期胞芯层将面板和背板连接起来；上侧板、下侧板、微穿孔板、多孔材料均安装在周期胞芯层上，微穿孔板安装在周期胞芯层的内部中间；面板、背板、上侧板、下侧板、周期胞芯层一起构成单胞的腔体结构；上侧板、下侧板一起构成单胞的侧板；多孔材料安装在周期胞芯层的底端，且与背板接触；微穿孔板将单胞分为上空腔和下空腔；相连的单胞的侧板上设有通孔将单胞之间的空腔相连；背板上设有注气孔；单胞的空腔内填充有惰性气体；本实用新型的周期结构复合隔音板，通过复合结构的设计，具有很好的隔音效果。
The utility model discloses a composite sound insulation board with periodic cell structure, which comprises an upper panel, a lower backboard, and a periodic cell core layer located between the panel and the backboard; the periodic cell core layer connects the panel and the backboard; The side plate, lower side plate, micro-perforated plate, and porous materials are all installed on the periodic cell core layer, and the micro-perforated plate is installed in the inner middle of the periodic cell core layer; the face plate, back plate, upper side plate, lower side plate, periodic cell The core layer together forms the cavity structure of the unit cell; the upper side plate and the lower side plate together form the side plate of the unit cell; the porous material is installed at the bottom of the core layer of the periodic cell and is in contact with the back plate; the micro-perforated plate connects the unit cell It is divided into an upper cavity and a lower cavity; the side plates of the connected units are provided with through holes to connect the cavities between the units; the back plate is provided with gas injection holes; the cavities of the units are filled with inert gas; The periodic structure composite sound insulation board of the utility model has a good sound insulation effect through the design of the composite structure.
Description
技术领域technical field
本实用新型属于噪音防治技术领域，特别是一种周期胞结构复合隔音板。The utility model belongs to the technical field of noise prevention and control, in particular to a composite sound insulation board with a periodic cell structure.
背景技术Background technique
噪音影响人们的工作、睡眠和娱乐，甚至使人感到紧张和疲劳、食欲不振和消化不良、恼怒和头痛，高强度噪音对人体听觉器官的伤害具有积累效应。随着社会的发展，工业、服务业、制造业等的兴起，噪音几乎已经遍及全世界，噪音污染原来越严重，防治噪音势在必行。Noise affects people's work, sleep and entertainment, and even makes people feel nervous and tired, loss of appetite and indigestion, irritation and headache. High-intensity noise has a cumulative effect on the damage of human auditory organs. With the development of society and the rise of industry, service industry, and manufacturing industry, noise has almost spread all over the world. The more serious the noise pollution, the more it is imperative to prevent and control noise.
近年来，蜂窝结构以其良好的隔音、隔热、比强度高、比刚度强的优势出现在各大研究平台，引起了国内外不少研究人员的关注。大多数研究表明，蜂窝结构的力学性能被大量运用，如军事防护装甲、航空航天、力学结构设计等；反而忽视了隔音这个特点，在声学性能方面的研究为数不多，进展也不大。In recent years, the honeycomb structure has appeared in various research platforms due to its good sound insulation, heat insulation, high specific strength, and strong specific stiffness, which has attracted the attention of many researchers at home and abroad. Most studies have shown that the mechanical properties of honeycomb structures are widely used, such as military protective armor, aerospace, mechanical structure design, etc.; instead, the feature of sound insulation is ignored, and there are few studies on acoustic properties, and little progress has been made.
中国专利CN205990675U公开了一种具有三层夹心结构且夹心板上有若干通孔的全实木隔音板，该结构具有一定的隔音效果，但主要吸收低频声波，对于高能量的声音无法阻隔；中国专利CN106409276A公开了一种氦气隔音板，具有防火抗爆、大幅提升隔音量的优点，但装置制作困难，且易受环境影响，只适用于小型机电设备或家用电器的隔音降噪；孟晗,辛锋先,卢天健.多孔纤维吸声材料填充蜂窝结构的声学性能(J).中国科学:物理学力学天文学,2014(6):599-609.文献验证了多孔纤维填充矩形蜂窝结构的吸声性能得到了有效提高，但填充的材料单一、芯层的结构单一，声音吸收效果有限。Chinese patent CN205990675U discloses a solid wood sound insulation panel with a three-layer sandwich structure and several through holes on the sandwich panel. This structure has a certain sound insulation effect, but it mainly absorbs low-frequency sound waves and cannot block high-energy sounds; Chinese patent CN106409276A discloses a helium sound insulation board, which has the advantages of fire prevention and explosion resistance, and greatly improved sound insulation, but the device is difficult to manufacture and is easily affected by the environment, so it is only suitable for sound insulation and noise reduction of small electromechanical equipment or household appliances; Meng Han, Xin Fengxian, Lu Tianjian. Acoustic performance of porous fiber sound-absorbing material filled honeycomb structure (J). Chinese Science: Physics, Mechanics and Astronomy, 2014(6): 599-609. Documents verify the sound absorption of porous fiber-filled rectangular honeycomb structure The performance has been effectively improved, but the filling material is single, the structure of the core layer is single, and the sound absorption effect is limited.
发明内容Contents of the invention
本实用新型所解决的技术问题在于提供一种周期胞结构复合隔音板，以解决现有的隔音板结构单一，隔音效果不佳的问题。The technical problem solved by the utility model is to provide a composite sound-insulating board with a periodic cell structure to solve the problem that the existing sound-insulating board has a single structure and poor sound-insulating effect.
实现本实用新型目的的技术解决方案为：The technical solution to realize the purpose of this utility model is:
一种周期胞结构复合隔音板，包括上端的面板、下端的背板、位于面板和背板之间的n(n≥1)个相连的单胞；所述单胞包括周期胞芯层、上侧板、下侧板、微穿孔板、多孔材料、惰性气体；A composite sound insulation panel with a periodic cell structure, comprising an upper panel, a lower backboard, and n (n≥1) connected unit cells between the panel and the backboard; the unit cells include a periodic cell core layer, an upper Side plates, lower side plates, micro-perforated plates, porous materials, inert gases;
所述周期胞芯层为边框结构，位于面板和背板之间，并将面板和背板连接起来；所述上侧板、下侧板、微穿孔板、多孔材料均安装在周期胞芯层上，所述微穿孔板安装在周期胞芯层的内部中间；所述上侧板、下侧板均安装在周期胞芯层的外围，上侧板位于面板和微穿孔板之间，下侧板位于多孔材料和微穿孔板之间；所述面板、背板、上侧板、下侧板、周期胞芯层一起构成单胞的腔体结构；所述上侧板、下侧板一起构成单胞的侧板；所述多孔材料安装在周期胞芯层的底端，且与背板接触；所述微穿孔板将单胞分为上空腔和下空腔，同时微穿孔板上设置的通孔将上空腔和下空腔相连；相连的单胞共用相同的侧板，且相连的单胞的侧板上设有通孔，将相连的单胞之间的空腔相连；所述背板上设有注气孔；所述单胞的空腔内填充有惰性气体。The periodic cell core layer is a frame structure, located between the face plate and the back plate, and connects the face plate and the back plate; the upper side plate, lower side plate, micro-perforated plate, and porous materials are all installed on the periodic cell core layer On the top, the micro-perforated plate is installed in the middle of the periodic cell core layer; the upper side plate and the lower side plate are installed on the periphery of the periodic cell core layer, the upper side plate is located between the panel and the micro-perforated plate, and the lower side plate The plate is located between the porous material and the micro-perforated plate; the face plate, the back plate, the upper side plate, the lower side plate, and the periodic cell core layer together form the cavity structure of the unit cell; the upper side plate and the lower side plate together form a The side plate of the unit cell; the porous material is installed at the bottom of the periodic cell core layer and is in contact with the back plate; the micro-perforated plate divides the unit cell into an upper cavity and a lower cavity, and the micro-perforated plate is set at the same time The through hole connects the upper cavity and the lower cavity; the connected unit cells share the same side plate, and the side plate of the connected unit cell is provided with a through hole to connect the cavities between the connected unit cells; the back Gas injection holes are arranged on the plate; the cavity of the unit cell is filled with inert gas.
本实用新型与现有技术相比，其显著优点：Compared with the prior art, the utility model has significant advantages:
(1)通过面板对声波进行反射，使得进入周期胞芯层的声波受到衰减；(1) The sound wave is reflected by the panel, so that the sound wave entering the core layer of the periodic cell is attenuated;
(2)通过微穿孔板主要吸收低频声波，通过多孔材料吸收高频声波，使得声能显著下降；在单胞中填充惰性气体，声波受到惰性气体的吸收作用，从而再次衰减；将高频声波和低频声波的吸收功能集于一体，隔音效果显著；(2) The low-frequency sound waves are mainly absorbed through the micro-perforated plate, and the high-frequency sound waves are absorbed through the porous material, so that the sound energy is significantly reduced; the unit cell is filled with inert gas, and the sound wave is absorbed by the inert gas, thereby attenuating again; the high-frequency sound wave It is integrated with the absorption function of low-frequency sound waves, and the sound insulation effect is remarkable;
(3)周期胞的单胞之间设有多个气孔，声波通过内部侧板之间的气孔传递后被消耗殆尽。(3) There are multiple air holes between the unit cells of the periodic cell, and the sound waves are exhausted after passing through the air holes between the inner side plates.
下面结合附图对本实用新型作进一步详细描述。Below in conjunction with accompanying drawing, the utility model is described in further detail.
附图说明Description of drawings
图1为本实用新型周期胞结构复合隔音板装置三维立体图。Fig. 1 is a three-dimensional perspective view of a composite sound-insulating panel device with a periodic cell structure of the present invention.
图2为单个胞元的三维立体轴视图；Fig. 2 is a three-dimensional axial view of a single cell;
图3为单个胞元的剖视图；Figure 3 is a cross-sectional view of a single cell;
具体实施方式detailed description
为使本实用新型的目的、技术方案和优点更加清楚，下面将结合附图对本实用新型实施方式作进一步地详细描述。In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.
结合图1-图3，本实用新型的一种周期胞结构复合隔音板，包括上端的面板1、下端的背板5、位于面板1和背板5之间的n(n≥1)个相连的单胞；所述单胞包括周期胞芯层7、上侧板21、下侧板22、微穿孔板3、多孔材料4、惰性气体8；Combining with Fig. 1-Fig. 3, a composite sound-insulating panel with periodic cell structure of the present utility model includes an upper panel 1, a lower back panel 5, and n (n≥1) connected panels between the panel 1 and the back panel 5. The unit cell; the unit cell includes a periodic cell core layer 7, an upper side plate 21, a lower side plate 22, a micro-perforated plate 3, a porous material 4, and an inert gas 8;
所述周期胞芯层7为边框结构，位于面板1和背板5之间，将面板1和背板5连接起来；所述上侧板21、下侧板22、微穿孔板3、多孔材料4均安装在周期胞芯层7上，所述微穿孔板3安装在周期胞芯层7的内部中间；所述上侧板21、下侧板22均安装在周期胞芯层7的外围，上侧板21位于面板1和微穿孔板3之间，下侧板22位于多孔材料4和微穿孔板3之间；所述面板1、背板5、上侧板21、下侧板22、周期胞芯层7一起构成单胞的腔体结构；所述上侧板21、下侧板22一起构成单胞的侧板；所述多孔材料4安装在周期胞芯层7的底端，且与背板5接触；所述微穿孔板3将单胞分为上空腔211和下空腔221，同时微穿孔板3上设置的多个通孔31将空腔211和下空腔221相连；相连的单胞共用相同的侧板，且相连的单胞的侧板上设有通孔6，将相连的单胞之间的空腔相连；所述背板5上设有注气孔9，用于向单胞内填充惰性气体；所述单胞的空腔内填充有惰性气体8，以吸收声波。The periodic cell core layer 7 is a frame structure, located between the face plate 1 and the back plate 5, and connects the face plate 1 and the back plate 5; the upper side plate 21, the lower side plate 22, the micro-perforated plate 3, the porous material 4 are installed on the periodic cell core layer 7, the micro-perforated plate 3 is installed in the middle of the periodic cell core layer 7; the upper side plate 21 and the lower side plate 22 are installed on the periphery of the periodic cell core layer 7, The upper side plate 21 is located between the panel 1 and the micro-perforated plate 3, and the lower side plate 22 is located between the porous material 4 and the micro-perforated plate 3; the panel 1, the back plate 5, the upper side plate 21, the lower side plate 22, The periodic cell core layer 7 together constitutes the cavity structure of the unit cell; the upper side plate 21 and the lower side plate 22 together constitute the side plate of the unit cell; the porous material 4 is installed at the bottom of the periodic cell core layer 7, and In contact with the back plate 5; the micro-perforated plate 3 divides the unit cell into an upper cavity 211 and a lower cavity 221, and a plurality of through holes 31 provided on the micro-perforated plate 3 connect the cavity 211 and the lower cavity 221; The connected unit cells share the same side plate, and the side plates of the connected unit cells are provided with through holes 6 to connect the cavities between the connected unit cells; the back plate 5 is provided with air injection holes 9 for The unit cell is filled with an inert gas; the cavity of the unit cell is filled with an inert gas 8 to absorb sound waves.
进一步的，所述通孔6垂直于单胞侧板平面，以消耗声能，降低声能透射。Further, the through hole 6 is perpendicular to the plane of the side plate of the unit cell to consume sound energy and reduce sound energy transmission.
进一步的，所述上侧板21、下侧板22、微穿孔板3、多孔材料4与周期胞芯层7之间的安装为过盈配合。这样，使得周期胞芯层7上安装的上侧板21、下侧板22、微穿孔板3、多孔材料4不会发生相对运动而产生振动。Further, the installation among the upper side plate 21, the lower side plate 22, the micro-perforated plate 3, the porous material 4 and the periodic cell core layer 7 is an interference fit. In this way, the upper side plate 21 , the lower side plate 22 , the micro-perforated plate 3 and the porous material 4 installed on the periodic cell core layer 7 will not move relative to each other and generate vibration.
进一步的，为增大隔音量，所述面板1和背板5的材料均为橡胶或玻璃钢；所述上侧板21和下侧板22的材料均为橡胶或弹性塑料；所述微穿孔板3的材料为PVC塑料；所述多孔材料4为玻璃棉或多孔纤维材料，所述惰性气体8为氩气或氦气；所述周期胞芯层7的材料为聚乙烯或密度大的金属，如铜、铁。Further, in order to increase the sound insulation, the materials of the panel 1 and the back plate 5 are rubber or fiberglass; the materials of the upper side plate 21 and the lower side plate 22 are rubber or elastic plastic; the micro-perforated plate 3 is PVC plastic; the porous material 4 is glass wool or porous fiber material, and the inert gas 8 is argon or helium; the material of the periodic cell core layer 7 is polyethylene or dense metal, Such as copper and iron.
进一步的，所述面板1和背板5与周期胞芯层7采用黏贴或螺钉固接。Further, the face plate 1 and the back plate 5 are fixed to the periodic cell core layer 7 by sticking or screwing.
进一步的，所述周期胞芯层7为四边形、五边形等多边形边框结构。Further, the periodic cell core layer 7 is a polygonal frame structure such as a quadrangle or a pentagon.
工作时，先从注气孔9冲入惰性气体8，将单胞的空腔内部充满惰性气体8；当噪音以声波的形式传播进入周期胞结构复合隔音板后，通过面板1对声波进行反射，使得声波进入单胞前收到衰减；声波进入到单胞后，受到惰性气体8的吸收作用，从而再次衰减；衰减后的声波经过微穿孔板3的吸收后声能下降，微穿孔板3主要起到吸收低频声波的作用；声波再经多孔材料4吸收后，声量被大量吸收，多孔材料主要起到吸收高频声波的作用；经微穿孔板3吸收后的声波再通过内部气孔6传动后被消耗殆尽，这样使得穿过背板5的声波微乎其微，达到隔音的效果。When working, first pour in the inert gas 8 from the gas injection hole 9, and fill the cavity of the unit cell with the inert gas 8; when the noise propagates into the composite sound insulation panel with a periodic cell structure in the form of sound waves, the sound waves are reflected by the panel 1, The sound wave is attenuated before entering the unit cell; after the sound wave enters the unit cell, it is absorbed by the inert gas 8, thereby attenuating again; the attenuated sound wave is absorbed by the micro-perforated plate 3. It plays the role of absorbing low-frequency sound waves; after the sound waves are absorbed by the porous material 4, the sound volume is absorbed in a large amount, and the porous material mainly plays the role of absorbing high-frequency sound waves; the sound waves absorbed by the micro-perforated plate 3 are transmitted through the internal air holes 6 is exhausted, so that the sound waves passing through the backboard 5 are negligible, achieving the effect of sound insulation.
虽然本实用新型已以较佳实施例揭露如上，然其并非用以限定本实用新型。本实用新型所属技术领域中具有通常知识者，在不脱离本实用新型的精神和范围内，当可作各种的更动与润饰。因此，本实用新型的保护范围当视权利要求书所界定者为准。Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the utility model belongs can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present utility model should be defined by the claims.
Claims (7)
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| CN201720317079.XU CN206711599U (en) | 2017-03-29 | 2017-03-29 | A kind of cycle born of the same parents structure composite sound panel |
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| CN201720317079.XU CN206711599U (en) | 2017-03-29 | 2017-03-29 | A kind of cycle born of the same parents structure composite sound panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231052A (en) * | 2017-12-22 | 2018-06-29 | 高州创建铸造有限公司 | A kind of silencer for large-sized boiler air-introduced machine steel chimney |
| CN108492816A (en) * | 2018-05-31 | 2018-09-04 | 山东理工大学 | A kind of two-dimentional male-type photonic crystal structure with microperforated panel |
| CN117420713A (en) * | 2023-12-15 | 2024-01-19 | 江苏繁华应材科技股份有限公司 | Electrochromic dimming energy-saving sound-insulating glass and electrochromic dimming energy-saving sound-insulating window system |
-
2017
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231052A (en) * | 2017-12-22 | 2018-06-29 | 高州创建铸造有限公司 | A kind of silencer for large-sized boiler air-introduced machine steel chimney |
| CN108492816A (en) * | 2018-05-31 | 2018-09-04 | 山东理工大学 | A kind of two-dimentional male-type photonic crystal structure with microperforated panel |
| CN117420713A (en) * | 2023-12-15 | 2024-01-19 | 江苏繁华应材科技股份有限公司 | Electrochromic dimming energy-saving sound-insulating glass and electrochromic dimming energy-saving sound-insulating window system |
| CN117420713B (en) * | 2023-12-15 | 2024-03-29 | 江苏繁华应材科技股份有限公司 | Electrochromic dimming energy-saving sound-insulating glass and electrochromic dimming energy-saving sound-insulating window system |
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