Invisible sound reinforcement plate

Abstract

The utility model relates to the technical field of loudspeakers, and particularly discloses an invisible sound reinforcement plate which comprises a middle core layer which is a composite base material formed by interweaving carbon fibers and aramid fibers. The supporting layer is arranged at the upper end of the middle core layer, and the supporting layer is composed of a plurality of frameworks with the sections of regular hexagon structures and is of a honeycomb structure as a whole; the sound reinforcement plate has the advantages of high strength, good tensile effect, support of ultrahigh-frequency sound wave conduction, light weight and reduction of the overall weight of the sound reinforcement plate; the supporting layer is composed of a plurality of frameworks with the sections of regular hexagon structures, the whole supporting layer is of a honeycomb structure, rigidity is good, bending resistance is high, deformation is not prone to being caused in the assembling and using process, and therefore the using performance of the sound reinforcement plate is improved. The supporting ribs form a continuous force transmission path and disperse local stress, the trapezoid cross section reduces the stress concentration coefficient, and the buffering wrapping edge is made of silica gel materials, prevents external dust from invading the sound reinforcement plate interlayer and meanwhile plays a role in buffering and shock resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loudspeaker technical field, specifically disclose a kind of invisible sound reinforcement board. BACKGROUND

[0002] Loudspeaker is commonly known as "loudspeaker".It is a kind of very commonly used electroacoustic transducer, and loudspeaker is a kind of transducer that converts electrical signal into acoustic signal, and the performance of loudspeaker is very important to sound quality.Loudspeaker is a weakest device in sound equipment, and it is a most important component for sound effect.Loudspeaker is various, and the price difference is very big.Audio power is converted into sound by electromagnetic, piezoelectric or electrostatic effect, and the paper basin or diaphragm is vibrated and resonates with surrounding air.

[0003] At present, the diaphragm of loudspeaker is mostly cone-shaped composite diaphragm, which is large in size, high in weight, heavy to use, low in strength, easy to break and short in service life. INVENTION CONTENTS

[0004] The utility model discloses a kind of invisible sound reinforcement board, high in strength, light in weight, long in service life, whole thickness is thin, can be embedded installation, does not occupy indoor space, make indoor simple and generous, simple structure, easy and fast to make and install.

[0005] The utility model is implemented as follows, a kind of invisible sound reinforcement board, comprising:

[0006] Middle core layer, the middle core layer is by the composite base material of carbon fiber and aramid fiber interlacing;

[0007] Support layer, the support layer is set to the upper end of middle core layer, the support layer is formed by multiple skeletons with the cross section being regular hexagon structure and the whole is honeycomb structure;

[0008] Bottom panel and top panel, the bottom panel and top panel are respectively set to the lower end surface of middle core layer and the upper end surface of support layer;

[0009] Buffered edge, the buffered edge is covered in the outer wall perimeter of middle core layer, support layer, bottom panel and top panel.

[0010] As a kind of invisible sound reinforcement board of the utility model, preferably, the middle core layer and support layer are provided with multiple support ribs fixedly connected to the upper end surface of middle core layer, and the cross section of the support rib is trapezoidal structure.

[0011] As a kind of invisible sound reinforcement board of the utility model, preferably, the support layer is aluminum alloy material.

[0012] As a kind of invisible sound reinforcement board of the utility model, preferably, the bottom panel and top panel are both ABP panel.

[0013] As a kind of invisible sound reinforcement board of the utility model, the buffer edge covering is silica gel material.

[0014] As a kind of invisible sound reinforcement board of the utility model, the skeleton length of the regular hexagonal structure is 0.5-1.5mm, and the wall thickness is 0.1mm.

[0015] As a kind of invisible sound reinforcement board of the utility model, the bottom panel and the middle core layer and the top panel and the support layer are all bonded by alloy adhesive.

[0016] The utility model has the advantages of:

[0017] The middle core layer is a composite base material interwoven by carbon fiber and aramid fiber, which improves the transverse tear resistance by horizontal and vertical interweaving of carbon fiber and aramid fiber. The interwoven carbon fiber and aramid fiber have high self-strength and good tensile effect, support ultrahigh frequency sound wave conduction, are light in weight, and reduce the overall weight of the sound reinforcement board. The support layer is composed of multiple skeletons with regular hexagonal cross section and has a honeycomb structure as a whole, which is rigid and has strong bending resistance. Compared with solid metal, the weight is greatly reduced, and deformation is not easy to occur during assembly and use, thereby improving the performance of the sound reinforcement board. Multiple support ribs are arranged between the middle core layer and the support layer and fixed to the upper end surface of the middle core layer. The support ribs support the honeycomb structure, form a continuous force transmission path, disperse local stress, and reduce the stress concentration coefficient of the trapezoidal cross section. The bottom panel and the top panel are both ABP panels, which have high overall strength, long service life, and are covered by a buffer edge covering made of silica gel material. The buffer edge covering prevents external dust from entering the sandwich of the sound reinforcement board and plays a role in buffering and shock resistance. The overall thickness is thin, so the thickness of the sound box is greatly reduced, and the sound box is embedded in the wall in a embedded manner without occupying indoor space, forming a "invisible" installation, making the indoor space simple and elegant, and having simple structure, easy and fast production and installation. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0019] Figure 1 It is the overall cross-sectional structure of the utility model;

[0020] Figure 2 It is the three-dimensional structure diagram of the support layer of the utility model;

[0021] Figure 3 It is the support rib structure schematic diagram of the utility model;

[0022] Figure 4 The whole top view structure diagram of the present utility model.

[0023] In the drawing, 1, middle core layer; 2, support layer; 3, support rib; 4, bottom panel; 5, top panel; 6, buffer edge covering. DETAILED DESCRIPTION

[0024] The present utility model will be further described below in combination with the drawings and specific embodiments to help understand the content of the present utility model. The method used in the present utility model is conventional method if no special provision; the raw materials and devices used are conventional market products if no special provision.

[0025] Please refer to Figures 1-4 A hidden sound amplification board, comprising:

[0026] The middle core layer 1 is a composite base material interwoven by carbon fibers and aramid fibers;

[0027] The support layer 2 is arranged at the upper end of the middle core layer 1, and the support layer 2 is composed of a plurality of skeletons with a cross-section in the shape of a regular hexagon and has a honeycomb structure as a whole;

[0028] The bottom panel 4 and the top panel 5 are arranged at the lower end surface of the middle core layer 1 and the upper end surface of the support layer 2, respectively;

[0029] The buffer edge covering 6 is wrapped around the outer wall periphery of the middle core layer 1, the support layer 2, the bottom panel 4 and the top panel 5.

[0030] In the embodiment, the middle core layer 1 is a composite base material interwoven by carbon fibers and aramid fibers, the transverse tear resistance is improved by interweaving the carbon fibers and aramid fibers in the horizontal and vertical directions, the carbon fibers and aramid fibers have high interweaving strength and good tensile effect, support the conduction of ultrahigh frequency sound waves, and have light weight, thereby reducing the overall weight of the sound amplification board; the support layer 2 is formed by a plurality of skeletons with a regular hexagonal structure and has a honeycomb structure as a whole, has good rigidity and strong bending resistance, greatly reduces the weight compared with a solid metal, is not easy to deform during assembly and use, and improves the use performance of the sound amplification board; a plurality of support ribs 3 fixedly connected to the upper end surface of the middle core layer 1 are arranged between the middle core layer 1 and the support layer 2, the support ribs 3 support the honeycomb structure, form a continuous force transmission path, disperse local stress, and the trapezoidal cross section reduces the stress concentration coefficient; the bottom panel 4 and the top panel 5 are ABP panels, have high overall strength, and have long service life; the buffer edge cover 6 is made of silica gel, blocks the invasion of external dust into the interlayer of the sound amplification board, plays a role of buffering and shock resistance, compared with a traditional conical diaphragm, the sound amplification board has thin overall thickness, the thickness of the sound box is greatly reduced, the sound amplification board is embedded into a wall in a embedded mode, does not occupy indoor space, forms "invisible" installation, and makes the indoor simple and elegant.

[0031] As a technical optimization scheme of the utility model, a plurality of support ribs 3 fixedly connected to the upper end surface of the middle core layer 1 are arranged between the middle core layer 1 and the support layer 2, and the cross section of the support rib 3 is in trapezoidal structure.

[0032] In the embodiment, the support rib 3 supports the honeycomb structure, forms a continuous force transmission path, disperses local stress, and the trapezoidal cross section reduces the stress concentration coefficient.

[0033] As a technical optimization scheme of the utility model, the support layer 2 is made of aluminum alloy.

[0034] In the embodiment, the support layer 2 is made of aluminum alloy, has high strength and light weight.

[0035] As a technical optimization scheme of the utility model, the bottom panel 4 and the top panel 5 are ABP panels.

[0036] In the embodiment, the bottom panel 4 and the top panel 5 are ABP panels, have high overall strength, and have long service life.

[0037] As a technical optimization scheme of the utility model, the buffer edge cover 6 is made of silica gel.

[0038] In the embodiment, the buffer edge cover 6 is made of silica gel, blocks the invasion of external dust into the interlayer of the sound amplification board, and plays a role of buffering and shock resistance.

[0039] As a technical optimization scheme of the utility model, the skeleton of the regular hexagonal structure is 0.5-1.5mm in length of side, and 0.1mm in wall thickness.

[0040] In the embodiment, the skeleton of the regular hexagonal structure is 0.5-1.5mm in length of side, and 0.1mm in wall thickness, good in rigidity, strong in bending resistance, greatly reduced in weight compared with solid metal, not easy to cause deformation in the process of assembling and using, and thus the use performance of the sound amplification board is improved.

[0041] As a technical optimization scheme of the utility model, the bottom panel 4 and the middle core layer 1 and the top panel 5 and the support layer 2 are all bonded through alloy adhesive.

[0042] In the embodiment, the bottom panel 4 and the middle core layer 1 and the top panel 5 and the support layer 2 are all bonded through alloy adhesive, and the bottom panel 4 and the top panel 5 are conveniently fixed.

[0043] The utility model discloses a working principle and use flow: middle core layer 1 is by carbon fiber and aramid fiber interwoven composite base material, through carbon fiber and aramid fiber horizontal interweave, improve horizontal tear resistance, and carbon fiber and aramid fiber interwoven self strength is high, and the tensile effect is good, and support ultrahigh frequency sound wave conduction, light in weight, reduce the overall weight of sound amplification board, support layer 2 is formed by a plurality of section and is regular hexagonal structure's skeleton and the whole is honeycomb structure, good in rigidity, strong in bending resistance, greatly reduced in weight compared with solid metal, not easy to cause deformation in the process of assembling and using, and thus the use performance of the sound amplification board is improved, a plurality of fixed support rib 3 that connects on the middle core layer 1 upper end face is arranged between middle core layer 1 and support layer 2, support rib 3 supports the honeycomb structure, forms continuous force transmission path, disperses local stress, and trapezoidal section reduces stress concentration coefficient, bottom panel 4 and top panel 5 are all ABP panel, and the overall strength is high, and the service life is long, and the buffer edge 6 is covered in the outer wall perimeter of middle core layer 1, support layer 2, bottom panel 4 and top panel 5, is the silica gel material, blocks external dust from invading the sound amplification board interlayer, and simultaneously plays the role of buffering and shock resistance.

[0044] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "left", "right", "top", "bottom", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model.

[0045] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application. The replacement of equivalent components or equivalent changes and modifications within the scope of the present application should still be within the scope of the present application.

Claims

1. An invisible sound amplification panel, characterized in that: include: The core layer (1) is a composite substrate made of interwoven carbon fiber and aramid fiber; Support layer (2), the support layer (2) is disposed at the upper end of the core layer (1), the support layer (2) is composed of a skeleton with multiple cross sections in the form of regular hexagons and has an overall honeycomb structure; Bottom panel (4) and top panel (5), the bottom panel (4) and top panel (5) are respectively disposed on the lower end surface of the core layer (1) and the upper end surface of the support layer (2); Buffer edge (6) covers the outer perimeter of the core layer (1), support layer (2), bottom panel (4) and top panel (5).

2. The invisible sound amplification panel according to claim 1, characterized in that: A plurality of support ribs (3) are fixedly connected to the upper end face of the core layer (1) and the support layer (2), and the cross section of the support ribs (3) is trapezoidal.

3. The invisible sound amplification panel according to claim 1, characterized in that: The support layer (2) is made of aluminum alloy.

4. The invisible sound amplification panel according to claim 2, characterized in that: Both the bottom panel (4) and the top panel (5) are ABP panels.

5. The invisible sound amplification panel according to claim 1, characterized in that: The buffer edging (6) is made of silicone.

6. The invisible sound amplification panel according to claim 1, characterized in that: The skeleton of the regular hexagonal structure has a side length of 0.5-1.5 mm and a wall thickness of 0.1 mm.

7. The invisible sound amplification panel according to claim 2, characterized in that: The bottom panel (4) and the core layer (1), as well as the top panel (5) and the support layer (2), are all bonded together with an alloy adhesive.

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