Door and window sound insulation curtain

Abstract

The invention discloses a door and window sound insulation curtain and belongs to the field of sound insulation materials. Butyl rubber sound insulation felts are connected to the upper side and the lower side of the sound insulation cotton, and the sides, away from the sound insulation cotton, of the butyl rubber sound insulation felts are connected with oxford cloth. Preferably, the sound insulation cotton, the butyl rubber sound insulation felt and the oxford fabric are sewn in a thread mode. Multiple materials are compounded to synergistically resist sound waves, and the sound insulation effect is better than that of a traditional product; and the material is easy to obtain, the cost is controllable, the volume production is easy, and the anti-layering anti-sticking fabric is suitable for families, offices, hospitals and other places, and the use cost is reduced.

Description

Technical Field

[0001] This invention relates to the field of sound insulation materials technology, specifically to sound insulation curtains for doors and windows. Background Technology

[0002] In modern society, noise pollution has become a significant environmental problem affecting people's quality of life and physical and mental health. Its sources are widespread, encompassing traffic noise, industrial noise, construction noise, and residential noise. Long-term exposure to noise can lead to hearing loss, sleep disorders, and difficulty concentrating, and may also trigger mental illnesses such as anxiety and depression. It is particularly detrimental to the growth and development of children and the physical health of the elderly. To combat noise pollution, various soundproofing solutions have emerged on the market. Among them, soundproof curtains have become a common soundproofing product in homes, offices, hotels, hospitals, and other places due to their advantages such as easy installation, relatively low cost, and flexible adjustment. However, the soundproof curtains currently on the market have obvious defects in structural design and material selection: most products use a single material or a simple two-layer composite structure, which can only achieve limited soundproofing effects through the material's own barrier function. They are insufficient in absorbing mid-to-high frequency noise and cannot effectively block sound waves from propagating through material gaps or structural gaps. For example, some soundproof curtains rely solely on increasing the thickness of the fabric to improve soundproofing performance, but this not only increases the weight of the curtain and reduces its flexibility, but also fails to solve the problem of sound wave penetration. Other products use a composite structure of sound-absorbing cotton and ordinary fabric, but because the synergistic effect between the materials is not considered, the sound absorption effect of the sound-absorbing cotton is not fully utilized, and the poor sealing of ordinary fabric allows sound waves to easily penetrate through the fabric seams or fiber gaps, resulting in a significant reduction in the overall soundproofing effect. Furthermore, in scenarios with high sound insulation requirements, the performance of existing soundproof curtains is insufficient to meet the needs. Users often need to purchase additional soundproof windows, soundproof panels, and other equipment, which not only increases costs but may also be limited by installation space and structural constraints. Therefore, developing a new type of soundproof curtain with a reasonable structure, scientific material combination, excellent sound insulation effect, and wide applicability has become an urgent problem to be solved in the field of sound insulation materials technology. Summary of the Invention

[0003] The purpose of this invention is to provide a soundproof curtain for doors and windows to solve the problem of poor sound insulation effect of existing soundproof curtains.

[0004] To achieve the above objectives, the present invention employs the following technical means: The soundproof curtain for doors and windows includes soundproof cotton, with butyl rubber soundproof felt connected to the upper and lower sides of the soundproof cotton, and Oxford cloth connected to the side of the butyl rubber soundproof felt away from the soundproof cotton.

[0005] Preferably, the sound insulation cotton is connected to the butyl rubber sound insulation felt by sewing with thread.

[0006] Preferably, the butyl rubber sound insulation felt is connected to the Oxford cloth by sewing with thread.

[0007] The present invention has the following beneficial effects: 1. Superior sound insulation: It adopts a multi-material composite structure of sound insulation cotton, butyl rubber sound insulation felt and Oxford cloth. Through the synergistic effect of the properties of each material, it blocks the propagation of sound waves in multiple dimensions. Compared with traditional sound insulation curtains with single materials or simple composite structures, it can more effectively solve the problem of sound wave penetration and significantly improve the sound insulation and noise reduction effect.

[0008] 2. Enhanced structural stability: The materials of each layer are connected by sewing, which avoids delamination during use and can maintain stable sound insulation performance for a long time, thus extending the product's service life.

[0009] 3. High practicality and economy: The materials used are widely available and the cost is controllable. The overall structure is simple and easy to mass-produce. At the same time, it is applicable to flexible scenarios and can meet the sound insulation needs of different places such as homes, offices, and hospitals. There is no need to add other sound insulation equipment, which reduces the cost of use. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the present invention; In the attached figures, the following labels are used: 10g sound insulation cotton, 20g butyl rubber sound insulation felt, 30g Oxford cloth. Detailed Implementation

[0011] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0012] like Figure 1 As shown, the soundproof curtain for doors and windows includes soundproofing cotton 10. Butyl rubber soundproofing felt 20 is connected to both the top and bottom sides of the soundproofing cotton 10. Oxford cloth 30 is connected to the side of the butyl rubber soundproofing felt 20 away from the soundproofing cotton 10. The soundproofing cotton 10 is sewn to the butyl rubber soundproofing felt 20, and the butyl rubber soundproofing felt 20 is sewn to the Oxford cloth 30. This sewing method ensures a stable connection between the layers of material, preventing delamination during use and ensuring effective soundproofing. The sound insulation cotton 10 adopts a porous structure, which allows sound waves to enter the pores and convert sound energy into heat energy through the friction and adhesion between air molecules and the pore walls, thus achieving preliminary sound absorption and noise reduction. The butyl rubber sound insulation felt 20, based on the law of mass, has a large density, which can increase the density of the sound wave propagation medium, thereby reducing the vibration amplitude of the sound waves and further blocking the propagation of sound waves. The Oxford cloth 30 has good sealing properties, which can achieve the sealing of the entire structure, prevent sound waves from penetrating through the gaps, and protect the internal sound insulation cotton 10 and butyl rubber sound insulation felt 20, thus extending the service life of the product.

[0013] This invention combines three materials with different properties: sound insulation cotton 10, butyl rubber sound insulation felt 20, and Oxford cloth 30. By utilizing the synergistic effect of the advantages of each material, the sound viscosity effect is increased, which solves the problem of smooth sound wave passage and ultimately achieves the purpose of reducing sound wave vibration and improving sound insulation and noise reduction. The working principle is as follows: This new type of sound insulation and noise reduction curtain achieves sound insulation and noise reduction through the synergistic effect of a three-layer composite structure consisting of sound insulation cotton 10, butyl rubber sound insulation felt 20, and Oxford cloth 30. The functions of each structure and the overall workflow are as follows: I. Core Structure and Functions Sound insulation cotton 10: Adopting a porous structure, it is the "first line of defense" for sound wave treatment. When sound waves come into contact with the curtain, they first enter the pores of the sound insulation cotton 10. Through the friction and adhesion between air molecules and the pore walls, the sound energy is converted into heat energy, completing the initial sound absorption and noise reduction, and reducing the initial energy of the sound waves. Butyl rubber sound insulation felt 20: Connected to the upper and lower sides of the sound insulation cotton 10, serving as a "second line of defense." Based on the law of mass, it has a relatively high density, which can significantly increase the density of the sound wave propagation medium. When sound waves that are not completely absorbed by the sound insulation cotton 10 reach this point, their vibration amplitude will be greatly reduced due to the increased density of the propagation medium, further blocking the penetration of sound waves. Oxford cloth 30: Attached to the side of butyl rubber sound insulation felt 20 away from sound insulation cotton 10, forming a "third line of defense". It has good airtightness, which can seal the gap between the first two layers of materials, prevent residual sound waves from penetrating through the structural gaps, and at the same time protect the internal sound insulation cotton 10 and butyl rubber sound insulation felt 20, avoiding material damage that affects performance. II. Overall Workflow External sound waves first contact the outermost layer, Oxford cloth 30. Some of the sound waves are reflected by its surface, while a small amount penetrates into the butyl rubber sound insulation felt 20. The butyl rubber sound insulation felt 20 weakens the sound wave vibration due to its density advantage, and the unblocked sound waves continue to be transmitted to the middle layer, sound insulation cotton 10. The sound insulation cotton 10 uses its porous structure to convert sound energy into heat energy, achieving primary sound absorption. Finally, the remaining very small amount of sound waves passes through the double barrier of the butyl rubber sound insulation felt 20 and Oxford cloth 30 on the other side, achieving a significant sound insulation and noise reduction effect. The entire process solves the problem of smooth sound wave propagation by complementing the characteristics of each structure and increasing the sound viscosity effect. Example 1

[0014] Soundproof curtains for family bedrooms Applicable Scenarios To address common noise levels in family bedrooms, such as traffic noise (50-60dB) and neighborhood noise (40-50dB), it is necessary to balance sound insulation with light transmission and lightweight design. Structural parameters Sound insulation cotton 10: Made of polyester fiber sound insulation cotton, 1cm thick, 90% porosity, and 20kg / m³ density. 3 The porous structure can efficiently absorb mid-to-high frequency noise from daily life, and the lightweight design avoids overloading the curtain rod. Butyl rubber sound insulation felt 20: Low-density butyl rubber felt is selected, with a thickness of 1.2mm and a density of 1.2g / cm³. 3 Based on the law of mass, it reduces low-frequency traffic noise vibration, and the thin design reduces the feeling of heaviness of the curtain. Oxford Cloth 30: Made of 1680D semi-transparent Oxford cloth, weight 200g / m² 2 The surface is coated with a waterproof layer; this ensures both airtightness to block sound transmission through gaps and adequate lighting in the bedroom, while also making it easy to clean. Implementation effect

[0015] After installation, bedroom noise can be reduced to 30-35dB, meeting the national "quiet bedroom" standard, and the curtain is lightweight (approximately 3kg / m²). 2 ( ), compatible with ordinary household curtain rods. Example 2

[0016] Soundproof and noise-reducing curtains for hospital wards Applicable Scenarios Hospital wards need to isolate the sound of footsteps in the corridor and the sound of equipment operation (45-55dB), and at the same time, they need to meet the requirements of antibacterial, fireproof and easy-to-disinfect medical scenarios. Structural parameters Sound insulation cotton 10: Made of fiberglass sound insulation cotton, 1.2cm thick, 92% porosity, and 25kg / m³ density. 3Fiberglass material is resistant to high temperatures and does not easily breed bacteria; its high porosity can absorb high-frequency noise from equipment. Butyl rubber sound insulation felt 20: Flame-retardant butyl rubber felt is selected, with a thickness of 1.5mm and a density of 1.3g / cm³. 3 Antibacterial agents are added; this not only reduces low-frequency vibrations through high density, but also meets the fire prevention and antibacterial standards for medical facilities. Oxford Cloth 30: Made of 2100D antibacterial Oxford cloth, weight 250g / m² 2 The surface is coated with an antibacterial and mildew-proof coating; it has strong airtightness (sound transmission through gaps ≤5dB), can withstand alcohol wiping disinfection, and has no odor after long-term use. Implementation effect

[0017] The noise level in the ward can be controlled below 35dB, meeting the hospital's "Noise Limit for Medical Treatment Environment" requirements. The antibacterial rate reaches 99%, which complies with the GB / T 31402-2015 "Antibacterial Plastics" standard. Example 3

[0018] Soundproof and noise-reducing curtains for recording studios Applicable Scenarios The recording studio needs to achieve high sound insulation to block out external environmental noise (55-70dB) while avoiding "secondary noise" generated by the vibration of the curtain itself. It is necessary to balance sound insulation and vibration reduction. Structural parameters Sound insulation cotton 10: Gradient density polyurethane sound insulation cotton, 1.3cm thick, 95% porosity, 30kg / m³ density. 3 (Outer layer low density, inner layer high density); the gradient structure can absorb sound waves of different frequencies in layers, reducing sound wave reflection. Butyl rubber sound insulation felt 20: High-density butyl rubber felt, 2mm thick, density 1.5g / cm³. 3 A damping adhesive layer is pasted on the back; the high density improves low-frequency sound insulation (can reduce low-frequency noise below 200Hz by 15-20dB), and the damping adhesive layer further suppresses curtain vibration. Oxford Cloth 30: Made of 3000D high-density Oxford cloth, weighing 300g / m² 2 The inner layer is composited with 0.1mm aluminum foil; the aluminum foil layer can reflect some sound waves, and the high-density fabric achieves "zero gap" sound transmission, with an overall airtightness of over 98%. Implementation effect

[0019] The background noise in the recording studio can be reduced to below 25dB, meeting the "professional recording studio background noise standard", and the curtain vibration is ≤0.1mm / s, with no secondary noise interfering with the recording quality.

[0020] The examples provided in this invention are not intended to limit the implementation. Those skilled in the art will recognize that various variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations, and any obvious variations or modifications derived therefrom are still within the scope of this invention.

Claims

1. A soundproof curtain for doors and windows, characterized in that, It includes sound insulation cotton (10), and butyl rubber sound insulation felt (20) is connected to the upper and lower sides of the sound insulation cotton (10). Oxford cloth (30) is connected to the side of the butyl rubber sound insulation felt (20) away from the sound insulation cotton (10).

2. The soundproof curtain for doors and windows according to claim 1, characterized in that, The sound insulation cotton (10) is connected to the butyl rubber sound insulation felt (20) by sewing with thread.

3. The soundproof curtain for doors and windows according to claim 2, characterized in that, The butyl rubber sound insulation felt (20) is connected to the Oxford cloth (30) by sewing with thread.

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