Ceiling flame-retardant sound-insulation heat-insulation felt suitable for low-carbon intelligent safety car roof system

Abstract

The invention provides a ceiling flame-retardant sound-insulation heat-insulation felt suitable for a low-carbon intelligent safety car roof system, which comprises a flame-retardant sound-insulation heat-insulation felt mounting plate and a flame-retardant sound-insulation heat-insulation felt base plate, the flame-retardant sound-insulation heat-insulation felt mounting plate and the flame-retardant sound-insulation heat-insulation felt base plate are connected with a flame-retardant sound-insulation heat-insulation felt upper magic tape and a flame-retardant sound-insulation heat-insulation felt lower magic tape; the ceiling flame-retardant sound-insulation heat-insulation felt is of a double-layer structure and can be disassembled and assembled through hook-and-loop fasteners, cleaning of the ceiling flame-retardant sound-insulation heat-insulation felt is facilitated, the ceiling flame-retardant sound-insulation heat-insulation felt is internally provided with a double-layer metal net plate and a flame-retardant fireproof composite fiber plate structure, and the heat insulation, heat dissipation and flame-retardant fireproof effects of the ceiling are improved; buffering sound-absorbing non-Newtonian fluid colloid is adopted to improve the sound-absorbing, noise-reducing and vibration-resisting performance, porous molecular sieve balls and double-component sound-absorbing cotton balls are filled, the sound-insulating and sound-absorbing effects are reinforced, a multi-layer structure is adopted as a whole, and performance superposition of the plates is achieved by compounding the plates with different performances, so that the flame-retardant, sound-insulating and heat-insulating effects of the structure are improved.

Description

Technical Field

[0001] This invention relates to the field of automotive parts technology, specifically to a flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe roof system. Background Technology

[0002] Against the backdrop of escalating global climate change and energy structure transformation, the transportation sector faces immense pressure to transition to low-carbon practices. The automotive industry, a significant source of carbon emissions, is moving towards low-carbon, electrified, and intelligent technologies. Simultaneously, consumer demands for intelligent, comfortable, and safe vehicles continue to rise. Traditional roof systems, with their limited functionality and function merely as structural components, cannot meet the needs of modern mobility. In terms of low carbon emissions, traditional roof systems lack efficient management of energy consumption and carbon emissions, resulting in insufficient utilization of green energy. In terms of intelligence, they suffer from low levels of automation, simplistic human-vehicle interaction, and weak environmental awareness. In terms of safety, they lack adequate protection against extreme environments, have delayed emergency response to water damage, and fail to provide adequate protection for vulnerable populations.

[0003] With the development of intelligent and electric vehicles, traditional fixed-performance thermal insulation materials are no longer sufficient to meet the high requirements of modern vehicles, especially new energy vehicles, for in-vehicle comfort and energy efficiency. Traditional roof insulation materials often only have fixed insulation properties and cannot dynamically respond to changes in ambient temperature, resulting in excessively high interior temperatures in summer (reaching over 68°C under direct sunlight) or excessive heat loss in winter. Meanwhile, the stringent requirements of new energy vehicles for lightweighting, space efficiency, and energy efficiency have made the development of multifunctional integrated intelligent thermal insulation materials an urgent industry need. Summary of the Invention

[0004] This invention addresses the shortcomings of existing technologies by providing a flame-retardant, sound-insulating, and heat-insulating felt suitable for low-carbon, intelligent, and safe vehicle roof systems. It features a double-layer structure with Velcro for easy disassembly, facilitating cleaning. A double-layer lightweight metal mesh structure within the felt significantly enhances its heat insulation and dissipation. A double-layer flame-retardant and fire-resistant composite fiber upper layer further improves its high-efficiency flame-retardant and fire-resistant properties. The use of a buffering, sound-absorbing, non-Newtonian fluid adhesive significantly enhances its sound absorption, noise reduction, and vibration resistance. Filling with porous molecular sieve balls and two-component sound-absorbing cotton balls further strengthens the sound insulation and absorption effects. The overall multi-layer structure, combining different performance materials, achieves a synergistic effect, enhancing the flame-retardant, sound-insulating, and heat-insulating properties of the structure.

[0005] To achieve the objective of this invention, the technical solution adopted is as follows: A flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system includes a flame-retardant, sound-insulating, and heat-insulating felt mounting plate and a flame-retardant, sound-insulating, and heat-insulating felt base plate. The flame-retardant, sound-insulating, and heat-insulating felt mounting plate and the flame-retardant, sound-insulating, and heat-insulating felt base plate are connected by upper Velcro and lower Velcro fasteners for the flame-retardant, sound-insulating, and heat-insulating felt.

[0006] Preferably, the flame-retardant, sound-insulating, and heat-insulating felt substrate includes a buffer sound-absorbing adhesive protective bag disposed in the center. The buffer sound-absorbing adhesive protective bag is filled with a non-Newtonian fluid buffer sound-absorbing adhesive, and porous lightweight sound-absorbing molecular sieve balls and porous two-component cotton sound-absorbing balls are distributed in the non-Newtonian fluid buffer sound-absorbing adhesive.

[0007] Preferably, the upper and lower surfaces of the cushioning sound-absorbing rubber protective bag are both fitted with porous sound-absorbing foam rubber sheets, and the upper surface of the porous sound-absorbing foam rubber sheet on the upper side of the cushioning sound-absorbing rubber protective bag is fitted with a flame-retardant and fireproof composite fiber upper layer and a heat-insulating lightweight metal mesh lower layer of the upper porous sound-absorbing foam rubber sheet.

[0008] Preferably, a heat-insulating lightweight metal mesh upper layer is attached to the upper surface of the flame-retardant and fire-resistant composite fiber upper layer, and a flame-retardant and fire-resistant composite fiber upper layer is attached to the lower surface of the heat-insulating lightweight metal mesh lower layer.

[0009] Preferably, the outer surface of the heat-insulating lightweight metal mesh upper layer and the flame-retardant and fireproof composite fiber upper layer is wrapped with an antibacterial and mildew-proof porous dense felt board, and the outer surface of the antibacterial and mildew-proof porous dense felt board is wrapped with a woven carbon fiber wear-resistant protective plate.

[0010] Preferably, the upper surface of the flame-retardant sound and heat insulation felt substrate is provided with a lower Velcro fastener for the flame-retardant sound and heat insulation felt, and the lower surface of the flame-retardant sound and heat insulation felt mounting plate is provided with an upper Velcro fastener for the flame-retardant sound and heat insulation felt. The flame-retardant sound and heat insulation felt mounting plate is connected to the flame-retardant sound and heat insulation felt substrate by adhesively connecting the upper Velcro fastener and the lower Velcro fastener.

[0011] Preferably, the porous bicomponent cotton sound-absorbing ball includes a bicomponent sound-absorbing cotton ball core filled in the middle, and the outer surface of the bicomponent sound-absorbing cotton ball core is wrapped with a porous lightweight molecular sieve shell. The number of porous bicomponent cotton sound-absorbing balls is less than or equal to the number of porous lightweight sound-absorbing molecular sieve balls.

[0012] Furthermore, the superimposed thickness of the buffer sound-absorbing adhesive protective bag and the non-Newtonian fluid buffer sound-absorbing adhesive is greater than or equal to the superimposed thickness of the flame-retardant and fire-resistant composite fiber upper layer and the flame-retardant and fire-resistant composite fiber lower layer, and the superimposed thickness of the flame-retardant and fire-resistant composite fiber upper layer and the flame-retardant and fire-resistant composite fiber lower layer is greater than or equal to the superimposed thickness of the heat-insulating lightweight metal mesh upper layer and the heat-insulating lightweight metal mesh lower layer.

[0013] Furthermore, the thickness of the flame-retardant and fire-resistant composite fiber upper layer is equal to the thickness of the flame-retardant and fire-resistant composite fiber lower layer, and the thickness of the heat-insulating lightweight metal mesh upper layer is equal to the thickness of the heat-insulating lightweight metal mesh lower layer; the thickness of the flame-retardant and fire-resistant composite fiber upper layer is greater than or equal to the thickness of the porous sound-absorbing foam rubber soft board, and the thickness of the porous sound-absorbing foam rubber soft board is greater than or equal to the thickness of the heat-insulating lightweight metal mesh upper layer.

[0014] Furthermore, the thickness of the heat-insulating lightweight metal mesh upper layer is greater than or equal to the thickness of the antibacterial and mildew-resistant porous dense felt board, and the thickness of the antibacterial and mildew-resistant porous dense felt board is greater than or equal to the thickness of the woven carbon fiber wear-resistant protective board.

[0015] The non-Newtonian fluid buffer sound-absorbing adhesive comprises the following components by weight percentage: 10-45% poly(p-phenylenebenzodiazole) branched modified polyborosiloxane, 15-30% chitosan quaternary ammonium salt modified polyacrylamide resin, 5-30% Fe(OH)3 colloid, 5-25% nano-ferromagnetic matrix modified natural rubber latex, 5-15% polydopamine modified celluloid adhesive, 5-10% magnetic slurry, and 10-30% ceramic slurry.

[0016] The porous sound-absorbing foam rubber flexible board comprises the following components by weight percentage: 40-70% carbon fiber and glass fiber double-modified polyurethane rubber, 5-20% nano-oxide ceramic matrix and hexafluorobutyl acrylate double-modified silicone rubber, 5-15% polysiloxane and polystyrene double-modified fluororubber, 5-30% organic solvent, 1-3% chitosan hydrochloride, 1-4% nano-silver modified carbon fiber, 2-7% poly(p-phenylene terephthalamide) short fiber, 2-5% polyimide short fiber, 2-8% organic rare earth, 1-5% silica aerogel, 0.5-1.5% accelerator, 0.3-0.6% dispersant, 0.2-0.4% curing agent, and 0.2-0.3% antioxidant.

[0017] This invention provides a flame-retardant, sound-insulating, and heat-insulating felt for the roof of a low-carbon, intelligent, and safe vehicle, which has the following advantages: The ceiling flame-retardant, sound-insulating, and heat-insulating felt of this invention adopts a double-layer structure and is removable via Velcro, which facilitates cleaning. By setting a double-layer lightweight metal mesh structure inside the ceiling flame-retardant, sound-insulating, and heat-insulating felt, its heat insulation and heat dissipation effect is greatly improved. The double-layer flame-retardant and fire-resistant composite fiber upper layer helps to achieve its efficient flame-retardant and fire-resistant effect. The use of a buffering sound-absorbing non-Newtonian fluid adhesive significantly improves its sound absorption, noise reduction, and vibration resistance performance. By filling it with porous molecular sieve balls and two-component sound-absorbing cotton balls, the sound insulation and sound absorption effect is further enhanced. The whole structure adopts a multi-layer structure, and by combining different performance boards, the positive superposition of board performance is achieved, thereby improving the flame-retardant, sound-insulating, and heat-insulating effects of the structure. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the flame-retardant, sound-insulating, and heat-insulating felt for the roof of a low-carbon, intelligent, and safe vehicle roof system, according to the present invention.

[0019] Figure 2 This is a front cross-sectional view of the flame-retardant, sound-insulating, and heat-insulating felt substrate of the flame-retardant, sound-insulating, and heat-insulating felt for the roof of a low-carbon, intelligent, and safe vehicle roof system, according to the present invention.

[0020] In the image: 1. Antibacterial and mildew-resistant porous dense felt board; 2. Woven carbon fiber wear-resistant protective board; 3. Heat-insulating lightweight metal mesh upper layer board; 4. Flame-retardant and fire-resistant composite fiber upper layer board; 5. Heat-insulating lightweight metal mesh lower layer board; 6. Flame-retardant and fire-resistant composite fiber upper layer board; 7. Porous sound-absorbing foam rubber soft board; 8. Buffer sound-absorbing adhesive protective bag; 9. Non-Newtonian fluid buffer sound-absorbing adhesive; 10. Porous lightweight sound-absorbing molecular sieve balls; 11. Porous two-component cotton sound-absorbing balls; 12. Two-component sound-absorbing cotton ball core; 13. Hollow lightweight molecular sieve ball shell; 14. Flame-retardant sound-insulating and heat-insulating felt mounting plate; 15. Flame-retardant sound-insulating and heat-insulating felt base plate; 16. Flame-retardant sound-insulating and heat-insulating felt upper Velcro; 17. Flame-retardant sound-insulating and heat-insulating felt lower Velcro. Detailed Implementation

[0021] The present invention will be further described and illustrated below with reference to specific embodiments and accompanying drawings.

[0022] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0023] In the description of this invention, it should be understood that the terms "upper", "lower", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. Example 1

[0024] like Figure 1As shown, a flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system includes a flame-retardant, sound-insulating, and heat-insulating felt mounting plate 14 and a flame-retardant, sound-insulating, and heat-insulating felt base plate 15. The mounting plate 14 and the base plate 15 are connected by upper and lower Velcro fasteners 16 and 17, respectively. The upper surface of the base plate 15 is connected to the lower Velcro fastener 17, and the lower surface of the mounting plate 14 is connected to the upper Velcro fastener 16. The mounting plate 14 is connected to the base plate 15 via the upper Velcro fastener 16 and the lower Velcro fastener 17.

[0025] like Figure 2 As shown, a flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system is provided. The upper and lower surfaces of the buffer sound-absorbing rubber protective bag 8 are both fitted with porous sound-absorbing foam rubber sheets 7. A flame-retardant and fire-resistant composite fiber upper layer 4 and a heat-insulating lightweight metal mesh lower layer 5 are fitted onto the upper surface of the porous sound-absorbing foam rubber sheet 7 on the upper side of the buffer sound-absorbing rubber protective bag 8. A heat-insulating lightweight metal mesh upper layer 3 is fitted onto the upper surface of the flame-retardant and fire-resistant composite fiber upper layer 4, and a flame-retardant and fire-resistant composite fiber upper layer 6 is fitted onto the lower surface of the heat-insulating lightweight metal mesh lower layer 5. An antibacterial and mildew-resistant porous dense felt board 1 is wrapped around the outer surfaces of the heat-insulating lightweight metal mesh upper layer 3 and the flame-retardant and fire-resistant composite fiber upper layer 6. A woven carbon fiber wear-resistant protective board 2 is wrapped around the outer surface of the antibacterial and mildew-resistant porous dense felt board 1.

[0026] like Figure 1 , 2 As shown, a flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system is disclosed. The flame-retardant, sound-insulating, and heat-insulating felt substrate 15 includes a buffer sound-absorbing adhesive protective bag 8 disposed in the center. The buffer sound-absorbing adhesive protective bag 8 is filled with a non-Newtonian fluid buffer sound-absorbing adhesive 9. Porous lightweight sound-absorbing molecular sieve balls 10 and porous two-component cotton sound-absorbing balls 11 are distributed in the non-Newtonian fluid buffer sound-absorbing adhesive 9. The porous two-component cotton sound-absorbing balls 11 include a two-component sound-absorbing cotton ball core 12 filled in the center. The outer surface of the two-component sound-absorbing cotton ball core 12 is wrapped with a porous lightweight molecular sieve ball shell 13. The number of porous two-component cotton sound-absorbing balls 11 is less than or equal to the number of porous lightweight sound-absorbing molecular sieve balls 10.

[0027] Furthermore, the superimposed thickness of the buffer sound-absorbing adhesive protective bag 8 and the non-Newtonian fluid buffer sound-absorbing adhesive 9 is greater than or equal to the superimposed thickness of the flame-retardant and fire-resistant composite fiber upper layer 4 and the flame-retardant and fire-resistant composite fiber lower layer 6, and the superimposed thickness of the flame-retardant and fire-resistant composite fiber upper layer 4 and the flame-retardant and fire-resistant composite fiber lower layer 6 is greater than or equal to the superimposed thickness of the heat-insulating lightweight metal mesh upper layer 3 and the heat-insulating lightweight metal mesh lower layer 5; the thickness of the flame-retardant and fire-resistant composite fiber upper layer 4 is equal to the thickness of the flame-retardant and fire-resistant composite fiber lower layer 6, and the thickness of the heat-insulating lightweight metal mesh upper layer 3 is equal to the thickness of the heat-insulating lightweight metal mesh lower layer 5.

[0028] Furthermore, the thickness of the flame-retardant and fireproof composite fiber upper layer 4 is greater than or equal to the thickness of the porous sound-absorbing foam rubber soft board 7, the thickness of the porous sound-absorbing foam rubber soft board 7 is greater than or equal to the thickness of the heat-insulating lightweight metal mesh upper layer 3; the thickness of the heat-insulating lightweight metal mesh upper layer 3 is greater than or equal to the thickness of the antibacterial and mildew-resistant porous dense felt board 1, and the thickness of the antibacterial and mildew-resistant porous dense felt board 1 is greater than or equal to the thickness of the woven carbon fiber wear-resistant protective board 2.

[0029] The porous sound-absorbing foam rubber soft board 7 comprises the following components by weight percentage: 40% carbon fiber and glass fiber dual-modified polyurethane rubber, 10% nano-oxide ceramic matrix and hexafluorobutyl acrylate dual-modified silicone rubber, 10% polysiloxane and polystyrene dual-modified fluororubber, 22% organic solvent, 1% chitosan hydrochloride, 2% nano-silver modified carbon fiber, 5% poly(p-phenylene terephthalamide) short fiber, 3% polyimide short fiber, 2% organic rare earth, 3.8% silica aerogel, 0.5% accelerator, 0.3% dispersant, 0.2% curing agent, and 0.2% antioxidant.

[0030] The non-Newtonian fluid buffer sound-absorbing adhesive 9 comprises the following components by weight percentage: 45% poly(p-phenylenebenzodiazole) branched modified polyborosiloxane, 15% chitosan quaternary ammonium salt modified polyacrylamide resin, 5% Fe(OH)3 colloid, 5% nano-ferromagnetic matrix modified natural rubber latex, 15% polydopamine modified celluloid adhesive, 5% magnetic slurry, and 10% ceramic slurry.

[0031] In use, first install the flame-retardant sound insulation and heat insulation felt mounting plate 14 together with the upper Velcro 16 of the flame-retardant sound insulation and heat insulation felt on the inner wall of the roof using the fixing mounting screws. Then, attach and fix the lower Velcro 17 of the flame-retardant sound insulation and heat insulation felt to one side surface of the flame-retardant sound insulation and heat insulation felt base plate 15. The flame-retardant sound insulation and heat insulation felt mounting plate 14 is connected to the flame-retardant sound insulation and heat insulation felt base plate 15 by attaching the upper Velcro 16 and the lower Velcro 17 of the flame-retardant sound insulation and heat insulation felt. The heat-insulating lightweight metal mesh upper layer 3 and lower layer 5 inside the flame-retardant sound-insulating and heat-insulating felt substrate 15 effectively achieve the heat insulation function of the flame-retardant sound-insulating and heat-insulating felt. The flame-retardant and fire-resistant composite fiber upper layer 4 and lower layer 6 effectively achieve the flame-retardant function of the flame-retardant sound-insulating and heat-insulating felt. The porous sound-absorbing foam rubber soft board 7 and the cushioning sound-absorbing adhesive protective bag 8, along with their internal non-Newtonian fluid cushioning sound-absorbing adhesive 9, achieve the sound absorption and sound insulation function of the flame-retardant sound-insulating and heat-insulating felt, and the non-Newtonian fluid cushioning... The porous lightweight sound-absorbing molecular sieve balls 10 and porous bicomponent cotton sound-absorbing balls 11 inside the sound-absorbing adhesive 9 significantly improve the sound absorption and insulation effect of the flame-retardant sound insulation and heat insulation felt, giving the flame-retardant sound insulation and heat insulation felt good flame-retardant, sound insulation and heat insulation effects and functions as a whole; the antibacterial and mildew-proof porous dense felt board 1 helps to prevent microorganisms from corroding the internal structure of the flame-retardant sound insulation and heat insulation felt, ensuring the structural integrity; the woven carbon fiber wear-resistant protective board 2 can improve the surface wear resistance of the flame-retardant sound insulation and heat insulation felt, thereby protecting the overall structure. Example 2

[0032] The difference between this embodiment and Embodiment 1 is that: like Figure 2 As shown, a flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system, comprising a porous sound-absorbing foam rubber soft board 7, includes the following components by weight percentage: 45% carbon fiber and glass fiber dual-modified polyurethane rubber, 15% nano-oxide ceramic matrix and hexafluorobutyl acrylate dual-modified silicone rubber, 8% polysiloxane and polystyrene dual-modified fluororubber, 20.8% organic solvent, 1% chitosan hydrochloride, 1% nano-silver modified carbon fiber, 2% poly(p-phenylene terephthalamide) short fiber, 2% polyimide short fiber, 2% organic rare earth, 2% silica aerogel, 0.5% accelerator, 0.3% dispersant, 0.2% curing agent, and 0.2% antioxidant.

[0033] The non-Newtonian fluid buffer sound-absorbing adhesive 9 comprises the following components by weight percentage: 15% poly(p-phenylenebenzodiazole) branched modified polyborosiloxane, 30% chitosan quaternary ammonium salt modified polyacrylamide resin liquid, 5% Fe(OH)3 colloid, 25% nano-ferromagnetic matrix modified natural rubber latex, 10% polydopamine modified celluloid liquid, 5% magnetic slurry, and 10% ceramic slurry. Example 3

[0034] The difference between this embodiment and embodiments 1 and 2 is that: like Figure 2As shown, a flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system, comprising a porous sound-absorbing foam rubber soft board 7, includes the following components by weight percentage: 40% carbon fiber and glass fiber dual-modified polyurethane rubber, 5% nano-oxide ceramic matrix and hexafluorobutyl acrylate dual-modified silicone rubber, 10% polysiloxane and polystyrene dual-modified fluororubber, 20% organic solvent, 2% chitosan hydrochloride, 3% nano-silver modified carbon fiber, 7% poly(p-phenylene terephthalamide) short fiber, 3% polyimide short fiber, 5% organic rare earth, 3.5% silica aerogel, 0.8% accelerator, 0.3% dispersant, 0.2% curing agent, and 0.2% antioxidant.

[0035] The non-Newtonian fluid buffer sound-absorbing adhesive 9 comprises the following components by weight percentage: 10% poly(p-phenylenebenzodiazole) branched modified polyborosiloxane, 15% chitosan quaternary ammonium salt modified polyacrylamide resin liquid, 30% Fe(OH)3 colloid, 5% nano-ferromagnetic matrix modified natural rubber latex, 5% polydopamine modified celluloid liquid, 10% magnetic slurry, and 25% ceramic slurry. Example 4

[0036] The difference between this embodiment and embodiments 1, 2, and 3 is that: like Figure 2 As shown, a flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system, comprising a porous sound-absorbing foam rubber soft board 7, includes the following components by weight percentage: 40% carbon fiber and glass fiber dual-modified polyurethane rubber, 10% nano-oxide ceramic matrix and hexafluorobutyl acrylate dual-modified silicone rubber, 10% polysiloxane and polystyrene dual-modified fluororubber, 20% organic solvent, 1% chitosan hydrochloride, 2% nano-silver modified carbon fiber, 5% poly(p-phenylene terephthalamide) short fiber, 3% polyimide short fiber, 4% organic rare earth, 3.1% silica aerogel, 0.9% accelerator, 0.5% dispersant, 0.2% curing agent, and 0.3% antioxidant.

[0037] The non-Newtonian fluid buffer sound-absorbing adhesive 9 comprises the following components by weight percentage: 40% poly(p-phenylenebenzodiazole) branched modified polyborosiloxane, 15% chitosan quaternary ammonium salt modified polyacrylamide resin liquid, 5% Fe(OH)3 colloid, 20% nano-ferromagnetic matrix modified natural rubber latex, 5% polydopamine modified celluloid liquid, 5% magnetic slurry, and 10% ceramic slurry.

[0038] In this invention, the ceiling flame-retardant, sound-insulating, and heat-insulating felt adopts a double-layer structure and is removable via Velcro, which facilitates cleaning. By setting a double-layer lightweight metal mesh structure inside the ceiling flame-retardant, sound-insulating, and heat-insulating felt, its heat insulation and heat dissipation effect is greatly improved. The double-layer flame-retardant and fire-resistant composite fiber upper layer helps to achieve its efficient flame-retardant and fire-resistant effect. The use of a buffer sound-absorbing non-Newtonian fluid adhesive significantly improves its sound absorption, noise reduction, and vibration resistance performance. By filling it with porous molecular sieve balls and two-component sound-absorbing cotton balls, the sound insulation and sound absorption effect is further enhanced. The whole adopts a multi-layer structure, and by combining different performance boards, the positive superposition of board performance is achieved, thereby improving the flame-retardant, sound-insulating, and heat-insulating effects of the structure.

[0039] The technical solutions disclosed in the embodiments of the present invention have been described in detail above. Specific embodiments have been used to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only for helping to understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the embodiments of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A flame-retardant, sound-insulating, and heat-insulating felt for rooftop systems suitable for low-carbon, intelligent, and safe vehicles, characterized in that: It includes a flame-retardant sound insulation and heat insulation felt mounting plate (14) and a flame-retardant sound insulation and heat insulation felt base plate (15), and the flame-retardant sound insulation and heat insulation felt mounting plate (14) and the flame-retardant sound insulation and heat insulation felt base plate (15) are connected by upper Velcro (16) and lower Velcro (17) of flame-retardant sound insulation and heat insulation felt. The flame-retardant sound insulation and heat insulation felt substrate (15) includes a buffer sound-absorbing adhesive protective bag (8) located in the middle. The buffer sound-absorbing adhesive protective bag (8) is filled with non-Newtonian fluid buffer sound-absorbing adhesive (9). The non-Newtonian fluid buffer sound-absorbing adhesive (9) is distributed with porous lightweight sound-absorbing molecular sieve balls (10) and porous two-component cotton sound-absorbing balls (11). The non-Newtonian fluid buffer sound-absorbing adhesive (9) comprises the following components in weight percentage: 10-45% poly(p-phenylenebenzodiazole) branched modified polyborosiloxane, 15-30% chitosan quaternary ammonium salt modified polyacrylamide resin, 5-30% Fe(OH)3 colloid, 5-25% nano-ferromagnetic matrix modified natural rubber latex, 5-15% polydopamine modified celluloid adhesive, 5-10% magnetic slurry, and 10-30% ceramic slurry.

2. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 1, characterized in that: The upper and lower surfaces of the buffer sound-absorbing rubber protective bag (8) are both fitted with porous sound-absorbing foam rubber soft board (7). The upper surface of the porous sound-absorbing foam rubber soft board (7) on the upper side of the buffer sound-absorbing rubber protective bag (8) is fitted with a flame-retardant and fireproof composite fiber upper board (4) and a heat-insulating lightweight metal mesh lower board (5) of the upper porous sound-absorbing foam rubber soft board (7).

3. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 2, characterized in that: The upper surface of the flame-retardant and fireproof composite fiber upper layer board (4) is fitted with a heat-insulating lightweight metal mesh upper layer board (3), and the lower surface of the heat-insulating lightweight metal mesh lower layer board (5) is fitted with a flame-retardant and fireproof composite fiber upper layer board (6).

4. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 3, characterized in that: The outer surfaces of the heat-insulating lightweight metal mesh upper plate (3) and the flame-retardant and fireproof composite fiber upper plate (6) are covered with antibacterial and mildew-proof porous dense felt board (1), and the outer surface of the antibacterial and mildew-proof porous dense felt board (1) is covered with woven carbon fiber wear-resistant protective plate (2).

5. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 1, characterized in that: The upper surface of the flame-retardant sound insulation and heat insulation felt substrate (15) is provided with a flame-retardant sound insulation and heat insulation felt lower Velcro (17), and the lower surface of the flame-retardant sound insulation and heat insulation felt mounting plate (14) is provided with a flame-retardant sound insulation and heat insulation felt upper Velcro (16). The flame-retardant sound insulation and heat insulation felt mounting plate (14) is connected to the flame-retardant sound insulation and heat insulation felt substrate (15) by pasting the flame-retardant sound insulation and heat insulation felt upper Velcro (16) and the flame-retardant sound insulation and heat insulation felt lower Velcro (17).

6. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 1, characterized in that: The porous bicomponent cotton sound-absorbing ball (11) includes a bicomponent sound-absorbing cotton ball core (12) filled in the middle. The outer surface of the bicomponent sound-absorbing cotton ball core (12) is wrapped with a porous lightweight molecular sieve shell (13). The number of porous bicomponent cotton sound-absorbing balls (11) is less than or equal to the number of porous lightweight sound-absorbing molecular sieve balls (10).

7. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 1, characterized in that: The porous sound-absorbing foam rubber soft board (7) comprises the following components by weight percentage: 40-70% carbon fiber and glass fiber double-modified polyurethane rubber, 5-20% nano-oxide ceramic matrix and hexafluorobutyl acrylate double-modified silicone rubber, 5-15% polysiloxane and polystyrene double-modified fluororubber, 5-30% organic solvent, 1-3% chitosan hydrochloride, 1-4% nano-silver modified carbon fiber, 2-7% poly(p-phenylene terephthalamide) short fiber, 2-5% polyimide short fiber, 2-8% organic rare earth, 1-5% silica aerogel, 0.5-1.5% accelerator, 0.3-0.6% dispersant, 0.2-0.4% curing agent, and 0.2-0.3% antioxidant.

8. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 3, characterized in that: The combined thickness of the buffer sound-absorbing adhesive protective bag (8) and the non-Newtonian fluid buffer sound-absorbing adhesive (9) is greater than or equal to the combined thickness of the flame-retardant and fire-resistant composite fiber upper layer board (4) and the flame-retardant and fire-resistant composite fiber lower layer board (6), and the combined thickness of the flame-retardant and fire-resistant composite fiber upper layer board (4) and the flame-retardant and fire-resistant composite fiber lower layer board (6) is greater than or equal to the combined thickness of the heat-insulating lightweight metal mesh upper layer board (3) and the heat-insulating lightweight metal mesh lower layer board (5).

9. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 8, characterized in that: The thickness of the flame-retardant and fireproof composite fiber upper layer (4) is equal to the thickness of the flame-retardant and fireproof composite fiber lower layer (6), and the thickness of the heat-insulating lightweight metal mesh upper layer (3) is equal to the thickness of the heat-insulating lightweight metal mesh lower layer (5). The thickness of the flame-retardant and fireproof composite fiber upper board (4) is greater than or equal to the thickness of the porous sound-absorbing foam rubber soft board (7), and the thickness of the porous sound-absorbing foam rubber soft board (7) is greater than or equal to the thickness of the heat-insulating lightweight metal mesh upper board (3).

10. The flame-retardant, sound-insulating, and heat-insulating felt for a low-carbon, intelligent, and safe vehicle roof system according to claim 4 or 9, characterized in that: The thickness of the heat-insulating lightweight metal mesh upper plate (3) is greater than or equal to the thickness of the antibacterial and mildew-resistant porous dense felt board (1), and the thickness of the antibacterial and mildew-resistant porous dense felt board (1) is greater than or equal to the thickness of the woven carbon fiber wear-resistant protective plate (2).

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