CN220012953U - Sound amplifying type acoustic mesh cloth - Google Patents

Abstract

The utility model relates to a sound amplifying type acoustic mesh fabric, which relates to the technical field of acoustic mesh fabrics and comprises a plurality of composite fibers, wherein the cross sections of the composite fibers are in a trapezoid structure, the plurality of corrugated composite fibers are woven in a staggered mode to form the composite mesh fabric, sound penetrating holes are formed in the composite mesh fabric, and the sound penetrating holes are in a quadrangular frustum structure. This public address formula acoustic screen cloth through being provided with the sound hole that wears that is quadrangular frustum pyramid column structure, can make the sound wave take place reflection, scattering and diffraction on the screen cloth to reduce reflectivity and the refracting index of sound wave, reduce reflection and the interference of sound wave, improve the definition of sound.

Description

Sound amplifying type acoustic mesh cloth

Technical Field

The utility model relates to the technical field of acoustic mesh fabrics, in particular to a sound amplifying type acoustic mesh fabric.

Background

The metal acoustic mesh cloth belongs to one of important accessories of the earphone, all consumer electronic products with acoustic functions are often located at the position of the sound outlet, the protection of the loudspeaker and the microphone is realized by using the precisely woven acoustic mesh cloth and the waterproof breathable film, and the metal acoustic mesh cloth can effectively prevent external pollutants such as dust, metal dust, water, oil and cosmetics. But also airborne dust particles, sand, or various small particles within pockets for carrying such equipment.

The patent with the publication number of CN209162329U discloses protective screen cloth for an acoustic device, wherein the protective screen cloth is formed by weaving warps and wefts on a shuttle loom, and each 4 warps are a group and are respectively a first warp, a second warp, a third warp and a fourth warp; during knitting, first warp threads are lifted, and then weft threads are worn for knitting; lifting a third warp, and then threading a weft for knitting; lifting the second warp, and then threading the weft for knitting; lifting a fourth warp, and then threading a weft for knitting; and then restarting to lift the first warp yarn, then weaving by threading the weft yarn, and repeatedly circulating in turn to finally form a continuous protective mesh cloth for the acoustic device. The scheme has uniform and fine meshes, and can effectively separate dust and water drops; and the mesh cloth is light and thin in quality, flat in surface, good in air permeability and low in acoustic resistivity, and is more beneficial to sound transmission of acoustic equipment.

But dustproof effectual screen cloth, mesh number is little, and at sound conduction in-process, the screen cloth can receive the anti-shake, causes the definition of sound to descend by a wide margin, consequently, proposes a public address formula acoustic screen cloth, solves above-mentioned technical problem.

Disclosure of Invention

The utility model provides a sound amplifying type acoustic mesh cloth which has the function of improving the definition of sound.

The utility model provides a sound amplifying type acoustic mesh cloth, which adopts the following technical scheme:

the utility model provides a public address type acoustic screen cloth, includes composite fiber, composite fiber is provided with a plurality of, composite fiber's the section is trapezium structure, and the compound screen cloth of formation is woven to a plurality of composite fiber pairwise crisscross of wave form, the inside of compound screen cloth forms the sound hole of wearing, the sound hole of wearing is quadrangular frustum pyramid structure.

Through adopting above-mentioned technical scheme, be the sound hole of wearing of quadrangular frustum pyramid structure, can make the sound wave take place reflection on the screen cloth, scatter and diffraction, thereby reduce reflectivity and the refracting index of sound wave, reduce reflection and the interference of sound wave, improve the definition of sound, and because the hole of the screen cloth that is quadrangular frustum pyramid structure hole is great relatively, can make the sound wave pass through the screen cloth more easily, thereby improve the transmissivity and the propagation efficiency of sound, the gas permeability of screen cloth can be guaranteed to the sound hole of wearing in addition, ponding and humidity appear inside the earphone, also can prevent dust and debris entering inside the earphone simultaneously, guarantee the integrality and the stability of earphone inner element, consequently, the screen cloth that is quadrangular frustum pyramid structure hole has fine advantage to the sound propagation, can improve the definition and the propagation efficiency of sound, also can guarantee the gas permeability and the dust resistance of earphone simultaneously.

Preferably, the composite fiber comprises a base layer, a sound filtering layer, a waterproof layer, a dust-proof layer and a surface layer from top to bottom.

Through adopting above-mentioned technical scheme, by basic unit, the sound filtering layer, the waterproof layer, the compound fibre that dust layer and surface course mix hot pressing formed, can stand long-time use and frequent cleanness, be difficult for droing or warp, thereby prolonged the life of earphone, and compound fibre material has good air permeability, can guarantee the tone quality and the definition of earphone, simultaneously also can guarantee user's travelling comfort, and compound fibre material can form one deck dustproof waterproof barrier, can block dust and moisture effectively and get into the earphone, thereby protect the integrality and the stability of earphone inner element, and compound fibre material has very high intensity and toughness, can guarantee the intensity and the stability of earphone screen cloth, thereby protect the inner element of earphone not receive external force influence, consequently, the cell-phone earphone screen cloth that is woven by compound fibre is a fine selection, can improve the life and the stability of earphone, simultaneously also can guarantee user's travelling comfort and security, and have better pleasing to the eye effect.

Preferably, the base layer is made of PEEK.

By adopting the technical scheme, PEEK has good high temperature resistance, can keep better stability under high temperature environment, and can not soften or melt because of high temperature. The performance enables the earphone mesh cloth made of PEEK material to keep good performance when the mobile phone is used, and PEEK has good wear resistance, can resist long-term abrasion and friction, and is not easy to damage. The performance enables the earphone mesh cloth made of PEEK material to have longer service life, and PEEK has good light weight and high strength, namely, the strength of PEEK is higher than that of other common engineering plastics under the condition that the weight of the materials is the same. The performance makes the earphone screen cloth made of PEEK material lighter and more durable, and in addition, PEEK has very good chemical stability, can effectively resist chemical corrosion and oxidation, and can not be damaged due to the action of chemical substances. The performance enables the earphone screen cloth made of PEEK material to be used in severe environment and not easy to be influenced by chemical substances, so that PEEK serving as the material of the earphone screen cloth of the mobile phone has the advantages of high temperature resistance, wear resistance, light weight, high strength, chemical stability and the like, and the performance and the service life of the earphone of the mobile phone can be improved.

Preferably, the material of the sound filtering layer is sound absorption cotton or foam plastic.

Through adopting above-mentioned technical scheme, the sound absorption cotton or the foam is good sound absorbing material, can absorb noise and noise effectively, thereby improve the tone quality of earphone, and sound absorption cotton and foam all have fine elasticity, can guarantee the gas permeability and the dust resistance of screen cloth, can not influence the sound transmission of earphone simultaneously, moreover sound absorption cotton and foam all have better durability, can stand long-time use and frequent cleanness, be difficult for droing or warp, sound absorption cotton and foam are safe environmental protection material in addition, can not produce any influence to human health. Meanwhile, the materials also have good water resistance and mildew resistance, so that the sound absorption cotton or foam plastic is a good choice as the net cloth of the mobile phone receiver, can improve the tone quality and the service life of the receiver, and can also ensure the safety and the health of users.

Preferably, the waterproof layer is polyurethane.

Through adopting above-mentioned technical scheme, polyurethane is a high strength, high wear-resisting, high elastic material, have fine durability, can stand long-time use and frequent cleanness, be difficult for droing or warp, and polyurethane has fine dustproof and waterproof performance, can block dust and moisture effectively and get into the earphone, thereby protect the integrality and the stability of earphone internal element, polyurethane has fine air permeability moreover, can guarantee the tone quality and the definition of earphone, also can guarantee user's travelling comfort simultaneously, polyurethane is a safe environmental protection material in addition, can not exert any influence to human health, also have fine water resistance and mould proof performance simultaneously, therefore, polyurethane is a fine selection as the earphone screen cloth of cell-phone, can improve the life and the stability of cell-phone earphone, also can guarantee user's travelling comfort and security simultaneously.

Preferably, the dust-proof layer is an acrylic coating.

Through adopting above-mentioned technical scheme, the acrylic acid coating can form one deck dustproof and waterproof's barrier on the earphone screen cloth surface, can block dust and moisture effectively and get into the earphone, thereby protect the integrality and the stability of earphone internal element, acrylic acid coating has good air permeability in addition, can guarantee the tone quality and the definition of earphone, simultaneously also can guarantee user's travelling comfort, and acrylic acid coating has fine wearability and durability, can stand long-time use and frequent cleanness, be difficult for droing or warp, and acrylic acid coating can carry out the design of different colours and pattern as required, can make earphone screen cloth more elegant appearance, accord with user's individualized demand, acrylic acid coating is a safe environmental protection material in addition, can not exert any influence to healthy, simultaneously also have fine water resistance and mould proof performance, consequently, acrylic acid screen cloth coating is a fine selection as the cell-phone earphone, can improve user's life and stability, simultaneously also can guarantee user's travelling comfort and security, and have better pleasing to the eye effect.

In summary, the utility model has the following beneficial effects:

1. through being provided with the sound hole of wearing that is quadrangular frustum pyramid structure, can make the sound wave take place reflection, scattering and diffraction on the screen cloth, thereby reduce the reflectivity and the refracting index of sound wave, reduce the reflection and the interference of sound wave, improve the definition of sound, and because the hole of the screen cloth that is quadrangular frustum pyramid structure hole is great relatively, can make the sound wave pass through the screen cloth more easily, thereby improve the transmissivity and the propagation efficiency of sound, the gas permeability of screen cloth can be guaranteed to the sound hole of wearing in addition, ponding and humidity appear in the inside earphone, dust and debris entering inside the earphone can also be prevented simultaneously, guarantee the integrality and the stability of the inside component of earphone, consequently, the screen cloth that is quadrangular frustum pyramid structure hole has fine advantage to sound propagation, can improve the definition and the propagation efficiency of sound, simultaneously also can guarantee the gas permeability and the dust-proof of earphone.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a loudspeaker-type acoustic mesh cloth in the present embodiment;

fig. 2 is a schematic view of the internal structure of the composite fiber in this embodiment.

Reference numerals illustrate: 1. a composite fiber; 101. a base layer; 102. a sound filtering layer; 103. a waterproof layer; 104. a dust-proof layer; 105. a surface layer; 2. composite mesh cloth; 3. and (5) penetrating the sound hole.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the utility model only and is not to be construed as limiting the scope of the utility model, as various insubstantial modifications and adaptations of the utility model to those skilled in the art can be made in light of the foregoing disclosure.

The utility model discloses a sound amplifying type acoustic mesh cloth, which is shown in fig. 1, and comprises a plurality of composite fibers 1, wherein the composite fibers 1 are provided with a plurality of composite fibers 1, the cross section of each composite fiber 1 is in a trapezoid structure, the plurality of composite fibers 1 in a corrugated shape are woven in a staggered mode to form a composite mesh cloth 2, sound penetrating holes 3 are formed in the composite mesh cloth 2, and the sound penetrating holes 3 are in a quadrangular frustum structure; the sound penetrating holes 3 with the quadrangular frustum pyramid-shaped structures can enable sound waves to be reflected, scattered and diffracted on the mesh cloth, so that the reflectivity and the refractive index of the sound waves are reduced, the reflection and the interference of the sound waves are reduced, the sound definition is improved, and the holes of the mesh cloth with the quadrangular frustum pyramid-shaped structures are relatively large, so that the sound waves can more easily pass through the mesh cloth, the transmittance and the propagation efficiency of the sound are improved, in addition, the ventilation property of the mesh cloth can be ensured through the sound penetrating holes 3, ponding and dampness are prevented from occurring in the inside of the receiver, dust and sundries can be prevented from entering the inside of the receiver, the integrity and the stability of elements in the receiver are ensured, and therefore, the mesh cloth with the quadrangular frustum pyramid-shaped structures has good sound propagation advantages, the sound definition and the propagation efficiency can be improved, and the ventilation property and the dust resistance of the receiver can be ensured.

As shown in fig. 2, the composite fiber 1 comprises a base layer 101, a sound filtering layer 102, a waterproof layer 103, a dust-proof layer 104 and a surface layer 105 from top to bottom in sequence; the composite fiber 1 formed by mixing and hot-pressing the base layer 101, the sound filtering layer 102, the waterproof layer 103, the dustproof layer 104 and the surface layer 105 can be used for a long time and cleaned frequently, is not easy to fall off or deform, so that the service life of the earphone is prolonged, the composite fiber 1 material has good air permeability, the tone quality and the definition of the earphone can be ensured, meanwhile, the comfort of a user can also be ensured, the composite fiber 1 material can form a layer of dustproof and waterproof barrier, dust and moisture can be effectively prevented from entering the earphone, the integrity and the stability of the inner elements of the earphone are protected, the composite fiber 1 material has high strength and toughness, the strength and the stability of the earphone mesh can be ensured, and the inner elements of the earphone are protected from being influenced by external force, so that the mobile phone earphone mesh woven by the composite fiber 1 is a good choice, the service life and the stability of the earphone can be improved, meanwhile, the comfort and the safety of the user can be ensured, and the attractive effect is good.

As shown in fig. 2, the base layer 101 is made of PEEK, which has good high temperature resistance, and can maintain good stability in a high temperature environment without softening or melting due to high temperature. The performance enables the earphone mesh cloth made of PEEK material to keep good performance when the mobile phone is used, and PEEK has good wear resistance, can resist long-term abrasion and friction, and is not easy to damage. The performance enables the earphone mesh cloth made of PEEK material to have longer service life, and PEEK has good light weight and high strength, namely, the strength of PEEK is higher than that of other common engineering plastics under the condition that the weight of the materials is the same. The performance makes the earphone screen cloth made of PEEK material lighter and more durable, and in addition, PEEK has very good chemical stability, can effectively resist chemical corrosion and oxidation, and can not be damaged due to the action of chemical substances. The performance enables the earphone screen cloth made of PEEK material to be used in severe environment and not easy to be influenced by chemical substances, so that PEEK serving as the material of the earphone screen cloth of the mobile phone has the advantages of high temperature resistance, wear resistance, light weight, high strength, chemical stability and the like, and the performance and the service life of the earphone of the mobile phone can be improved.

As shown in fig. 2, the material of the sound filtering layer 102 is sound absorbing cotton or foam plastic; the sound absorption cotton or the foam plastic is a good sound absorption material, can effectively absorb noise and noise, so that the tone quality of the earphone is improved, the sound absorption cotton and the foam plastic are good in elasticity, the air permeability and the dust resistance of the mesh cloth can be guaranteed, meanwhile, the sound transmission of the earphone cannot be influenced, the sound absorption cotton and the foam plastic are good in durability, can be used for a long time and cleaned frequently, are not easy to fall off or deform, and are safe and environment-friendly materials, and cannot influence the health of a human body. Meanwhile, the materials also have good water resistance and mildew resistance, so that the sound absorption cotton or foam plastic is a good choice as the net cloth of the mobile phone receiver, can improve the tone quality and the service life of the receiver, and can also ensure the safety and the health of users.

As shown in fig. 2, the waterproof layer 103 is polyurethane; polyurethane is a high-strength, high-wear-resistance and high-elasticity material, has good durability, can be used for a long time and cleaned frequently, is not easy to fall off or deform, has good dustproof and waterproof properties, can effectively prevent dust and moisture from entering the earphone, so that the integrity and stability of the internal elements of the earphone are protected, and has good air permeability, the tone quality and definition of the earphone can be guaranteed, meanwhile, the comfort of a user can be guaranteed, and in addition, the polyurethane is a safe and environment-friendly material, cannot have any influence on the health of a human body, has good water resistance and mildew resistance, so that the polyurethane is a good choice as a screen cloth of the earphone of a mobile phone, can improve the service life and stability of the earphone, and can also guarantee the comfort and safety of the user.

As shown in fig. 2, the dust layer 104 is an acrylic coating; the acrylic acid coating can form a layer of dustproof and waterproof barrier on the surface of the earphone screen cloth, dust and moisture can be effectively prevented from entering the earphone, so that the integrity and stability of the internal elements of the earphone are protected, in addition, the acrylic acid coating has good air permeability, sound quality and definition of the earphone can be guaranteed, meanwhile, the comfort of a user can be guaranteed, the acrylic acid coating has good wear resistance and durability, long-time use and frequent cleaning can be carried out, the earphone screen cloth is not easy to fall off or deform, the acrylic acid coating can be designed in different colors and patterns according to the needs, the earphone screen cloth is more attractive and elegant, the personalized needs of the user are met, in addition, the acrylic acid coating is a safe and environment-friendly material, no influence is caused on the health of a human body, meanwhile, the acrylic acid coating has good water resistance and mildew resistance, so that the acrylic acid coating is a good choice as the earphone screen cloth of a mobile phone, the service life and stability of the earphone can be improved, meanwhile, the comfort and safety of the user can be guaranteed, and the attractive effect can be achieved.

As shown in fig. 2, the surface layer 105 is made of metallic silver, and the metallic silver material has high strength and wear resistance, can withstand long-time use and frequent cleaning, is not easy to fall off or deform, so that the service life of the earphone is prolonged, and the metallic silver material has good conductivity, can ensure the tone quality and definition of the earphone, and can ensure the comfort of a user, and the metallic silver material can form a layer of dustproof and waterproof barrier, can effectively block dust and moisture from entering the earphone, so as to protect the integrity and stability of the internal elements of the earphone, and because the metallic silver material has good conductivity, the transmittance and the propagation efficiency of sound can be improved, therefore, the metallic silver is a good choice as the earphone of the mobile phone, can improve the service life and stability of the earphone, can also ensure the comfort and safety of the user, and has good dustproof and waterproof properties, acoustic properties and attractive effects.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (6)

1. A public address formula acoustic screen cloth, its characterized in that: including composite fiber (1), composite fiber (1) is provided with a plurality of, the trapezium structure is personally submitted in the section of composite fiber (1), and the compound screen cloth (2) of formation is woven in the every two crisscross of a plurality of composite fiber (1) that is the wave form, the inside of compound screen cloth (2) forms and wears sound hole (3), wear sound hole (3) to be quadrangular frustum pyramid column structure.

2. A loudspeaker acoustic screen cloth according to claim 1, wherein: the composite fiber (1) sequentially comprises a base layer (101), a sound filtering layer (102), a waterproof layer (103), a dust-proof layer (104) and a surface layer (105) from top to bottom.

3. A loudspeaker acoustic screen cloth according to claim 2, wherein: the base layer (101) is made of PEEK.

4. A loudspeaker acoustic screen cloth according to claim 2, wherein: the sound filtering layer (102) is made of sound absorbing cotton or foam plastic.

5. A loudspeaker acoustic screen cloth according to claim 2, wherein: the waterproof layer (103) is polyurethane.

6. A loudspeaker acoustic screen cloth according to claim 2, wherein: the dust-proof layer (104) is an acrylic coating.