CN214462010U - Novel composite material sound-insulation heat-insulation interior trim panel - Google Patents
Novel composite material sound-insulation heat-insulation interior trim panel Download PDFInfo
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- CN214462010U CN214462010U CN202022151157.8U CN202022151157U CN214462010U CN 214462010 U CN214462010 U CN 214462010U CN 202022151157 U CN202022151157 U CN 202022151157U CN 214462010 U CN214462010 U CN 214462010U
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Abstract
The utility model provides a novel plaque in compound material sound insulation and heat insulation relates to plaque field in the aircraft, which comprises a body, the body is formed by carbon fiber reinforced material, damping combined material, glass fiber material and the combined material that gives sound insulation combining in proper order, and bonds each other between carbon fiber reinforced material and the damping combined material, and bonds each other between damping combined material and the glass fiber material, and passes through high temperature resistant material along edge threading fixed connection between glass fiber material and the combined material that gives sound insulation, carbon fiber reinforced material's thickness is 3mm, and damping combined material's thickness is 2mm, and glass fiber material is 20mm, and the combined material's that gives sound insulation thickness is 30 mm. The damping composite material has the functions of sound absorption, heat insulation, vibration prevention and the like, the sound insulation composite material is composed of alkali-free superfine cotton and a felt, the inner sandwich of the sound insulation composite material is of a honeycomb structure, the sound absorption effect is increased by the honeycomb cotton, and the aramid fiber is used as the material to have the heat insulation effect.
Description
Technical Field
The utility model relates to an plaque technical field in the aircraft especially relates to a novel plaque in compound material sound insulation and heat insulation.
Background
The composite material is a new material which is formed by optimizing and combining materials with different properties by applying an advanced material preparation technology. The fiber reinforced composite material has the advantages of small specific gravity, large specific strength, large specific modulus and the like, replaces the traditional material, and is applied to a plurality of fields. For example, in a boeing 787 airliner, fiber reinforced composites have been used up to 50% more than traditional metallic materials such as steel, titanium alloys, aluminum alloys, and the like.
The existing composite material for sound and heat insulation of the airplane has single function, and one composite material cannot have the sound and heat insulation effects at the same time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel composite material sound and heat insulation interior trim panel.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel plaque in compound material sound insulation and heat insulation, includes the body, the body is formed by carbon fiber reinforced material, damping combined material, glass fiber material and sound insulation combined material combination in proper order, and bonds each other between carbon fiber reinforced material and the damping combined material, and bonds each other between damping combined material and the glass fiber material, and passes through high temperature resistant material along edge threading fixed connection between glass fiber material and the sound insulation combined material, carbon fiber reinforced material's thickness is 3mm, and damping combined material's thickness is 2mm, and glass fiber material is 20mm, and sound insulation combined material's thickness is 30 mm.
Preferably, the carbon fiber reinforced material is a resin-based composite material, the resin-based composite material is a reinforced material taking an organic polymer as a matrix, the carbon fiber reinforced material is synthesized by adopting epoxy resin for heating and molding, and the density of the carbon fiber reinforced material is 1.7g/cm 3.
Preferably, the damping composite material is a composite material taking rubber and foam materials as a sandwich.
Preferably, the inner sandwich of the sound insulation composite material is of a honeycomb structure, the side length of the honeycomb core is 4mm, the height of the honeycomb core is 25mm, the honeycomb core is made of meta-aramid fiber, and 120-type and 1581-type epoxy prepreg fabrics are used as surface layers.
Preferably, the body is sprayed on the surface of the body by taking polytetrafluoroethylene as a spraying material.
Advantageous effects
In the utility model, the damping composite material is made of rubber and foam materials, the damping coefficient is increased firstly and then reduced along with the rise of the temperature, the damping coefficient is the largest when the temperature is 30 ℃, the damping coefficient is equal when the temperature is 0 ℃ and 40 ℃, the damping coefficient has the functions of sound absorption, heat insulation, vibration prevention and the like, the sound insulation composite material is composed of alkali-free superfine cotton and felt, the sandwich inside the sound insulation composite material is of a honeycomb structure, the honeycomb core is made of meta-position aramid fiber, the honeycomb cotton increases the sound absorption effect, the aramid fiber is used as the material and has the heat insulation effect, the carbon fiber reinforced material, the damping composite material, the glass fiber material and the sound insulation composite material are sequentially combined together to form the whole of sound insulation and heat insulation, the carbon fiber material and the carbon fiber material both have the heat insulation function, the damping composite material and the sound insulation composite material have the sound insulation function, therefore, compared with the traditional composite material, the composite material has double-layer effect and high-strength heat insulation and sound insulation effects.
Drawings
Fig. 1 is an isometric view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
Illustration of the drawings:
1. a carbon fiber reinforcement; 2. a damping composite material; 3. a glass fiber material; 4. a sound insulating composite; 5. a body.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
The specific embodiment is as follows:
referring to fig. 1-3, a novel compound material sound and heat insulation interior trim panel, including body 5, body 5 is by carbon fiber reinforced material 1, damping composite 2, glass fiber material 3 and sound insulation composite 4 make up in proper order and forms, and bond each other between carbon fiber reinforced material 1 and the damping composite 2, and bond each other between damping composite 2 and the glass fiber material 3, and pass through high temperature resistant material along edge threading fixed connection between glass fiber material 3 and the sound insulation composite 4, the thickness of carbon fiber reinforced material 1 is 3mm, the thickness of damping composite 2 is 2mm, glass fiber material 3 is 20mm, the thickness of sound insulation composite 4 is 30 mm.
The carbon fiber reinforced material 1, the damping composite material 2, the glass fiber material 3 and the sound insulation composite material 4 are sequentially and flatly mixed together to form a sound and heat insulation whole, and the sound insulation and sound insulation composite material has high-strength heat insulation and sound insulation effects.
The carbon fiber reinforced material 1 is a resin-based composite material, the resin-based composite material is a reinforced material taking an organic polymer as a matrix, the carbon fiber reinforced material 1 is synthesized by adopting epoxy resin for heating and molding, and the density of the carbon fiber reinforced material 1 is 1.7g/cm 3.
In the structure bearing high temperature, the material is the lightest material, the high temperature strength is good, the room temperature strength can be kept at 2200 ℃, the fracture toughness, the fatigue resistance and the creep resistance are higher, the tensile strength and the elastic modulus are higher than those of the common carbon material, and the heat flow into the material can be prevented by taking away a large amount of heat through ablation of the carbon fiber composite material due to the phenomenon of surface loss of the solid material caused in the thermochemical and mechanical processes.
The damping composite material 2 is a composite material taking rubber and foam materials as a sandwich, the damping coefficient is firstly increased and then reduced along with the increase of the temperature, the damping coefficient is maximum at the temperature of 30 ℃, and the damping coefficients are equal at the temperature of 0 ℃ and 40 ℃.
The damping composite material 2 has the functions of sound absorption, heat insulation, vibration prevention and the like, the basic principle of damping is energy loss, the capacity of converting mechanical vibration energy into thermal energy for dissipation when the material is subjected to vibration deformation is called damping, the larger the damping is, the energy input into a system can be completely lost in a shorter time, so the time from the excited vibration to the restitution of the system is shortened, and the damping can also be understood as the capacity of rapidly recovering the system to the state before the excitation after the system is excited.
The glass fiber material 3 is a reinforcing material in the body 5, the main components of the glass fiber material are silicon dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide and sodium oxide, the glass fiber material 3 is prepared by melting raw materials such as pyrophyllite and the like in a kiln to form glass solution, removing bubbles, conveying the glass solution to a porous bushing plate through a passage, and drawing the glass fiber material into glass fiber strands at high speed to form the glass fiber material 3.
When the glass fiber is used as a reinforcing material of reinforced plastics, the glass fiber has the biggest characteristics of high tensile strength and good heat resistance, and the strength is not influenced when the temperature reaches 300 ℃.
The sound insulation composite material 4 is composed of alkali-free superfine cotton and a felt, the inner sandwich of the sound insulation composite material 4 is of a honeycomb structure, the side length of a honeycomb core is 4mm, the height of the honeycomb core is 25mm, the honeycomb core is made of meta-position aramid fiber, and 120-type and 1581-type epoxy prepreg fabrics are used as surface layers.
The body 5 is sprayed on the surface of the body 5 by taking polytetrafluoroethylene as a spraying material.
Polytetrafluoroethylene, generally known as "non-stick coating", is a synthetic polymer material using fluorine to replace all hydrogen atoms in polyethylene, and this material has the features of resisting acid, alkali and various organic solvents, and is almost insoluble in all solvents, meanwhile, polytetrafluoroethylene has the feature of high temperature resistance, and its friction coefficient is very low, so it can be used as lubricating action.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a novel plaque in compound material sound insulation and heat insulation, includes body (5), its characterized in that: body (5) are formed by carbon fiber reinforced material (1), damping combined material (2), glass fiber material (3) and syllable-dividing combined material (4) combination in proper order, and bond each other between carbon fiber reinforced material (1) and damping combined material (2), and bond each other between damping combined material (2) and the glass fiber material (3), and pass through high temperature resistant material along edge threading fixed connection between glass fiber material (3) and syllable-dividing combined material (4), the thickness of carbon fiber reinforced material (1) is 3mm, and the thickness of damping combined material (2) is 2mm, and glass fiber material (3) are 20mm, and the thickness of syllable-dividing combined material (4) is 30 mm.
2. The novel composite material sound and heat insulation interior trim panel as claimed in claim 1, characterized in that: the carbon fiber reinforced material (1) is a resin-based composite material, the resin-based composite material is a reinforced material taking an organic polymer as a matrix, the carbon fiber reinforced material (1) is synthesized by adopting epoxy resin for heating and forming, and the density of the carbon fiber reinforced material (1) is 1.7g/cm3。
3. The novel composite material sound and heat insulation interior trim panel as claimed in claim 1, characterized in that: the damping composite material (2) is a composite material taking rubber and foam materials as a sandwich.
4. The novel composite material sound and heat insulation interior trim panel as claimed in claim 1, characterized in that: the internal sandwich of the sound insulation composite material (4) is of a honeycomb structure, the side length of a honeycomb core is 4mm, the height of the honeycomb core is 25mm, the honeycomb core is made of meta-aramid and made of 120-type and 1581-type epoxy prepreg cloth as surface layers.
5. The novel composite material sound and heat insulation interior trim panel as claimed in claim 1, characterized in that: the body (5) is sprayed on the surface of the body (5) by taking polytetrafluoroethylene as a spraying material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151157.8U CN214462010U (en) | 2020-09-27 | 2020-09-27 | Novel composite material sound-insulation heat-insulation interior trim panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151157.8U CN214462010U (en) | 2020-09-27 | 2020-09-27 | Novel composite material sound-insulation heat-insulation interior trim panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214462010U true CN214462010U (en) | 2021-10-22 |
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| CN202022151157.8U Active CN214462010U (en) | 2020-09-27 | 2020-09-27 | Novel composite material sound-insulation heat-insulation interior trim panel |
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| CN (1) | CN214462010U (en) |
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