Sound insulation cabin board for superstructure of ship
By designing a multi-layer structure of cavity, support plate, sponge and buffer spring in the sound insulation board of the ship superstructure, using the open hole structure of the air layer and sponge in the cavity, the problem of poor effect of traditional sound insulation boards is solved, and the problem of poor performance is achieved. Improved noise isolation and structural stability.
Patent Information
- Application Number
- CN202421045596.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The sound insulation panels of traditional ship superstructures only achieve poor sound insulation effect by setting up sound insulation cotton, which cannot effectively reduce the impact of wind and wave noise on the living compartment.
A soundproof cabin including a cavity and a support plate is designed. The cavity is equipped with a sponge and a buffer spring. The sponge has an open hole structure to absorb sound wave energy. The buffer spring absorbs and releases vibration energy, combining the air in the cavity. The layer and sound-absorbing cotton form a multi-layer sound-insulating structure to hinder the propagation of sound waves.
Through reflection, refraction and sound absorption effects, the sound insulation effect is significantly improved, and the stability and vibration resistance of the cabin are enhanced, reducing noise propagation and hull vibration.
Smart Images
Figure CN222247539U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of ships, and in particular to a sound insulation panel for a ship superstructure. Background Art
[0002] When a ship is sailing, people in the living cabins on the superstructure will be affected by wind and waves. In order to reduce the influence of the noise generated by wind and waves on the living cabins, sound insulation panels are installed in the living cabins. However, traditional sound insulation panels only achieve sound insulation by setting sound insulation cotton, resulting in poor sound insulation effect, so it needs to be improved. Utility Model Content
[0003] In order to improve the problem of poor sound insulation effect caused by only providing sound insulation cotton, the present application provides a sound insulation cabin for a ship superstructure.
[0004] The present application provides a sound insulation panel for a ship superstructure using the following technical solution:
[0005] A soundproofing bulkhead for a ship superstructure comprises a bulkhead body, a cavity is formed in the bulkhead body, a plurality of support plates are fixed in the cavity, one end of the support plate is fixed to an inner wall on one side in the vertical direction of the cavity, and the other end is fixed to an inner wall on the other side in the vertical direction of the cavity, the ends of adjacent support plates are fixed, and the adjacent support plates and the inner wall of the cavity enclose a triangular area, in which a sponge is provided.
[0006] By adopting the above technical solution, when noise comes from the outside of the cabin body, it will propagate inward from the outside of the cabin body. When the sound reaches the cavity, the cavity forms an air layer in the cabin body. Since the density of the air layer is much smaller than the density of the cabin body, when the sound wave passes through the cabin body and encounters the air layer, reflection and refraction will occur, thereby offsetting the resonance of the sound wave, hindering the propagation of the sound wave, and achieving a better sound insulation effect. The support plate supports the opposite sides of the cavity, and the triangular structure formed by each two adjacent support plates is relatively stable. When the cabin body is hit by external force, the volume of the cavity will not change, that is, the cabin body will not be concave and deformed, which increases the stability of the cabin body structure.
[0007] The sponge in the triangular area has an open-pore structure and contains a large number of irregular broad-spectrum holes. This special structure can absorb the energy of sound waves and convert sound into tiny vibration energy, thereby achieving a sound-absorbing effect. Secondly, due to the regular pore structure of the sponge, sound waves will rub against the surface of the sponge after passing through it, resulting in energy loss, thereby achieving a sound insulation effect, further improving the sound insulation effect of the entire cabin body.
[0008] Optionally, a mounting strip is provided on the sponge, and a mounting groove is horizontally opened on the side wall of the support plate, and the mounting strip can be inserted into the mounting groove.
[0009] By adopting the above technical solution, the mounting strip is inserted into the corresponding mounting groove, and the inner wall of the mounting groove abuts against the side wall of the mounting strip, which plays a role of limiting support, making it difficult for the sponge to move in the vertical direction, that is, the sponge will not fall out of the triangular area under the action of gravity, thereby increasing the stability of the sponge installed in the triangular area.
[0010] Optionally, a buffer spring is provided in the sponge, one end of the buffer spring abuts against the inner wall of the cavity, and the other end of the buffer spring abuts against the support plate.
[0011] By adopting the above technical solution, during the process of cavity silencing, the support plate is driven to generate amplitude, so that the buffer spring is subjected to force and elastic deformation occurs, and the buffer spring simultaneously generates a reverse elastic force, that is, the buffer spring can absorb and release the energy of the vibration, thereby reducing the amplitude and frequency of the vibration, and then reducing the vibration sound, achieving a sound insulation effect, and at the same time being able to weaken the vibration of the hull.
[0012] Optionally, a plurality of silencer holes are provided on the side wall of the support plate.
[0013] By adopting the above technical solution, a number of silencer holes make the surface of the support plate uneven. When sound waves propagate in the cavity and reach the silencer holes, they are reflected and refracted in the silencer holes, thereby dispersing and absorbing the energy, thereby hindering the transmission of sound waves in the cavity and improving the sound insulation effect of the cabin plate body.
[0014] Optionally, sound-absorbing cotton is provided in the silencer hole.
[0015] By adopting the above technical solution, when the sound waves are reflected and refracted in the silencer hole, the small gaps on the sound-absorbing cotton reflect and refract the sound waves again, thereby further improving the sound insulation effect of the cabin body.
[0016] Optionally, a plurality of sound absorbing strips are provided on the inner wall of the cavity, the sound absorbing strips are arranged in a horizontal direction, and a plurality of the sound absorbing strips are evenly arranged in a vertical direction.
[0017] By adopting the above technical solution, the sound-absorbing strip makes the inner wall of the cavity uneven, thereby preventing sound waves from entering the cavity for propagation, thereby achieving a sound insulation effect.
[0018] Optionally, a sound absorbing cavity is provided in the sound absorbing strip.
[0019] By adopting the above technical solution, the sound absorbing cavity makes the sound absorbing strip itself have an air layer, so that the sound waves are reflected and refracted when passing through the absorbing strip, thereby increasing the sound insulation effect of the sound absorbing strip itself.
[0020] Optionally, a connecting spring is provided between adjacent sound absorbing strips, and an end of the connecting spring is fixed to the sound absorbing strip.
[0021] By adopting the above technical solution, when sound waves propagate to the sound-absorbing strip, the sound-absorbing strip vibrates, the connecting spring is deformed under force, and the elastic force is used to buffer the vibration in the vertical direction. This makes the connecting spring achieve the purpose of sound absorption while achieving the ability of pressure relief and shock absorption.
[0022] In summary, the present application includes at least one of the following beneficial effects:
[0023] 1. When the noise comes from the outside of the cabin body, it will propagate from the outside of the cabin body to the inside. When the sound reaches the cavity, the cavity forms an air layer in the cabin body. Since the density of the air layer is much smaller than the density of the cabin body, when the sound wave passes through the cabin body and encounters the air layer, reflection and refraction will occur, thereby offsetting the resonance of the sound wave, hindering the propagation of the sound wave, and achieving a better sound insulation effect;
[0024] 2. The sponge in the triangular area has an open-pore structure and contains a large number of irregular broad-spectrum holes. This special structure can absorb the energy of sound waves and convert sound into tiny vibration energy, thereby achieving a sound-absorbing effect. Secondly, due to the regular pore structure of the sponge, sound waves will rub against the surface of the sponge after passing through it, resulting in energy loss, thereby achieving a sound insulation effect and further improving the sound insulation effect of the entire cabin body. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a cross-sectional view of a sound insulation panel used for a ship superstructure according to an embodiment of the present application;
[0026] Figure 2 This is a longitudinal cross-sectional view of a sound insulation panel used for a ship superstructure according to an embodiment of the present application.
[0027] In the figure: 10, cabin body; 11, cavity; 20, support plate; 21, installation groove; 22, silencer hole; 221, sound-absorbing cotton; 30, sponge; 31, installation strip; 40, buffer spring; 50, sound-absorbing strip; 51, sound-absorbing cavity; 60, connecting spring. DETAILED DESCRIPTION
[0028] The following is combined with Figure 1-2 This application is described in further detail.
[0029] The present application embodiment discloses a sound insulation panel for a ship superstructure. Figure 1 and Figure 2The soundproof bulkhead for a ship superstructure includes a bulkhead body 10, a cavity 11 is opened in the bulkhead body 10, and a plurality of support plates 20 are arranged in the cavity 11. The support plates 20 are placed obliquely on a horizontal plane, and one end of the support plate 20 is fixed to an inner wall on one side of the cavity 11 in a vertical direction, and the other end is fixed to an inner wall on the other side of the cavity 11 in a vertical direction. The ends of two adjacent support plates 20 are fixed, so that the plurality of support plates 20 are finally arranged in a wave shape, that is, adjacent support plates 20 and the inner wall of the cavity 11 enclose a triangular area.
[0030] When noise comes from the outside of the deck body 10, it will propagate inward from the outside of the deck body 10. When the sound reaches the cavity 11, the cavity 11 forms an air layer in the deck body 10. Since the density of the air layer is much smaller than the density of the deck body 10, when the sound wave passes through the deck body 10 and encounters the air layer, reflection and refraction will occur, thereby offsetting the resonance of the sound wave, hindering the propagation of the sound wave, and achieving a better sound insulation effect. The support plate 20 supports the opposite sides of the cavity 11. The triangular structure formed by each two adjacent support plates 20 is relatively stable. When the deck body 10 is hit by an external force, the volume of the cavity 11 will not change, that is, the deck body 10 will not be dented or deformed, which increases the stability of the structure of the deck body 10.
[0031] Reference Figure 1 and Figure 2 The triangular area is filled with sponge 30, and a mounting strip 31 is glued and fixed on the sponge 30. The mounting strip 31 is horizontally arranged. A mounting groove 21 is horizontally opened on the side wall of the support plate 20, and the mounting strip 31 is correspondingly inserted in the mounting groove 21 to realize the installation of the sponge 30 in the triangular area.
[0032] The structure of the sponge 30 is open-pore, and contains a large number of irregular broad-spectrum holes. This special structure can absorb the energy of sound waves and convert sound into tiny vibration energy, thereby achieving a sound-absorbing effect. Secondly, since the hole structure of the sponge 30 is regular, the sound waves will rub against the surface of the sponge 30 after passing through it, resulting in energy loss, thereby achieving a sound insulation effect, further improving the sound insulation effect of the entire cabin body 10.
[0033] Reference Figure 1 and Figure 2A buffer spring 40 is inserted on the sponge 30. The buffer spring 40 is arranged horizontally. One end of the buffer spring 40 abuts against the inner wall of the cavity 11, and the other end abuts against the support plate 20. During the silencing process of the cavity 11, the support plate 20 is driven to generate an amplitude, so that the buffer spring 40 is elastically deformed under force, and the buffer spring 40 simultaneously generates a reverse elastic force, that is, the buffer spring 40 can absorb and release the energy of the vibration, thereby reducing the amplitude and frequency of the vibration, thereby reducing the vibration sound, achieving a sound insulation effect, and at the same time can reduce the vibration of the hull.
[0034] Reference Figure 1 and Figure 2 In order to increase the sound insulation effect of the support plate 20 itself, a plurality of silencer holes 22 are provided on both the upper and lower sides of the support plate 20, and silencer cotton is inserted into the silencer holes 22, and the silencer cotton is made of polyester fiber material. The plurality of silencer holes 22 make the surface of the support plate 20 uneven, and when the sound wave propagates in the cavity 11 and reaches the silencer holes 22, it is reflected and refracted in the silencer holes 22, thereby dispersing and absorbing the energy. In the process of the sound wave being reflected and refracted in the silencer holes 22, the small gaps on the sound-absorbing cotton 221 reflect and refract the sound wave again, thereby further improving the sound insulation effect of the cabin body 10.
[0035] Reference Figure 1 and Figure 2 A plurality of sound absorbing strips 50 are fixed on the inner wall of the cavity 11 . The sound absorbing strips 50 are arranged in the horizontal direction. A plurality of sound absorbing strips 50 are evenly arranged in the vertical direction. A sound absorbing cavity 51 is opened in the sound absorbing strip 50 .
[0036] The sound absorbing strip 50 makes the inner wall of the cavity 11 uneven, thereby preventing sound waves from entering the cavity 11 for propagation, thereby achieving a sound insulation effect. The sound absorbing cavity 51 makes the sound absorbing strip 50 itself have an air layer, so that the sound waves are reflected and refracted when passing through the absorbing strip, thereby increasing the sound insulation effect of the sound absorbing strip 50 itself.
[0037] Reference Figure 1 and Figure 2 , wherein a connecting spring 60 is provided between adjacent sound absorbing strips 50, and the end of the connecting spring 60 is fixed to the sound absorbing strip 50. When the sound wave propagates to the sound absorbing strip 50, the sound absorbing strip 50 vibrates, and the connecting spring 60 is deformed by force, and the elastic force is used to buffer the vibration in the vertical direction, so that the connecting spring 60 can not only buffer pressure and shock, but also further achieve the purpose of silencing.
[0038] The implementation principle of a soundproof bulkhead for a ship superstructure in the embodiment of the present application is as follows: when noise is transmitted from the outside of the bulkhead body 10, it will propagate inward from the outside of the bulkhead body 10. When the sound reaches the cavity 11, the cavity 11 forms an air layer in the bulkhead body 10. Since the density of the air layer is much smaller than the density of the bulkhead body 10, when the sound wave passes through the bulkhead body 10 and encounters the air layer, reflection and refraction will occur, thereby offsetting the resonance of the sound wave, hindering the propagation of the sound wave, and achieving a better sound insulation effect. The support plate 20 supports the opposite sides of the cavity 11, and the triangular structure formed by each two adjacent support plates 20 is relatively stable. When the bulkhead body 10 is hit by an external force, the volume of the cavity 11 will not change, that is, the bulkhead body 10 will not be dented and deformed, which increases the stability of the structure of the bulkhead body 10.
[0039] The sponge 30 in the triangular area has an open-hole structure and contains a large number of irregular broad-spectrum holes. This special structure can absorb the energy of sound waves and convert sound into tiny vibration energy, thereby achieving a sound-absorbing effect. Secondly, since the hole structure of the sponge 30 is regular, the sound waves will rub against the surface of the sponge 30 after passing through it, resulting in energy loss, thereby achieving a sound insulation effect, further improving the sound insulation effect of the entire cabin body 10.
[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A sound insulation panel for a ship superstructure, characterized in that: The invention comprises a cabin plate body (10), wherein a cavity (11) is provided in the cabin plate body (10), wherein a plurality of support plates (20) are fixed in the cavity (11), wherein one end of the support plate (20) is fixed to an inner wall on one side of the cavity (11) in a vertical direction, and the other end is fixed to an inner wall on the other side of the cavity (11) in a vertical direction, and the ends of adjacent support plates (20) are fixed, and adjacent support plates (20) and inner walls of the cavity (11) enclose a triangular area, and a sponge (30) is provided in the triangular area.
2. The sound insulation panel for ship superstructure according to claim 1, characterized in that: The sponge (30) is provided with a mounting strip (31), and a mounting groove (21) is horizontally opened on the side wall of the support plate (20), and the mounting strip (31) can be inserted into the mounting groove (21).
3. The sound insulation panel for ship superstructure according to claim 1, characterized in that: A buffer spring (40) is provided in the sponge (30), one end of the buffer spring (40) abuts against the inner wall of the cavity (11), and the other end abuts against the support plate (20).
4. The sound insulation panel for a ship superstructure according to claim 1, characterized in that: A plurality of sound-absorbing holes (22) are provided on the side wall of the support plate (20).
5. The sound insulation panel for ship superstructure according to claim 4, characterized in that: The sound-absorbing cotton (221) is arranged in the sound-absorbing hole (22).
6. The sound insulation panel for ship superstructure according to claim 1, characterized in that: A plurality of sound absorbing strips (50) are arranged on the inner wall of the cavity (11); the sound absorbing strips (50) are arranged in a horizontal direction, and a plurality of the sound absorbing strips (50) are evenly arranged in a vertical direction.
7. The sound insulation panel for a ship superstructure according to claim 6, characterized in that: A sound absorbing cavity (51) is provided in the sound absorbing strip (50).
8. The sound insulation panel for a ship superstructure according to claim 6, characterized in that: A connecting spring (60) is provided between adjacent sound absorbing strips (50), and an end of the connecting spring (60) is fixed to the sound absorbing strip (50).