A shared quiet cabin

Abstract

The application provides a shared mute cabin, which comprises a cabin body, a ventilation channel is arranged on the cabin wall of the cabin body, and a mute grid is arranged at the port communicating with the cabin body; the mute grid is in a cavity shape, mesh holes are arranged on the front side wall and the rear side wall of the mute grid, a plurality of sound absorption channels are formed in the cavity of the mute grid, the plurality of sound absorption channels extend forward and backward and are arranged in a transverse continuous mode, a plurality of sound absorption baffles are arranged in the sound absorption channels, the plurality of sound absorption baffles are arranged in a forward and backward spaced mode, and the sound absorption channels are spaced to form a serpentine air channel; and the front side wall of the mute grid is exposed in the cabin body. The shared mute cabin replaces the traditional hole directly communicating with the inside of the cabin body with the mute grid, the sound absorption baffles are arranged in a staggered mode, the serpentine air channel is left for air circulation, the air circulation is ensured, the sound wave propagation direction is changed, the sound wave energy is consumed, the sound absorption baffles have sound absorption functions, and the quietness in the cabin body is further ensured under the double sound absorption effects.

Description

Technical Field

[0001] This utility model relates to the field of soundproof cabin technology, specifically a shared soundproof cabin. Background Technology

[0002] A shared quiet cabin is a mini, independent space that integrates soundproofing, ventilation, lighting, power supply, and furniture (usually tables and chairs). Users can pay for use by scanning a QR code via a mobile app or mini-program, charged by the minute or hour. Primarily located in public places, it aims to address the shortage of quiet, private spaces in modern cities, providing users with a readily available "third space."

[0003] Existing patent CN216042878U discloses a soundproof cabin that solves the problem of mold opening costs for profiles by combining various profiles. However, from... Figure 2 As can be seen, the top and side walls of the soundproof cabin are equipped with multiple grilles that directly connect the inside and outside of the cabin for ventilation. These grilles are simply mesh-like and have a simple structure, which allows the inside and outside of the cabin to be directly connected through the ventilation duct, resulting in the introduction of some noise, such as the sound of the ventilation fan running, making the soundproof cabin's sound insulation effect not very good. Utility Model Content

[0004] To address the technical problems existing in the background art described above, this utility model provides a shared silent cabin.

[0005] The technical solution of this utility model is as follows:

[0006] A shared soundproof cabin includes a cabin body, ventilation ducts on the cabin walls, and soundproof grilles at the ports where the ventilation ducts connect to the cabin body.

[0007] The silent grille is cavity-shaped, with mesh holes on its front and rear side walls. Multiple sound-absorbing channels are formed inside the cavity of the silent grille. The multiple sound-absorbing channels extend back and forth and are arranged continuously in the horizontal direction. Multiple sound-absorbing baffles are provided inside the sound-absorbing channels. The multiple sound-absorbing baffles are arranged at intervals back and forth, and the sound-absorbing channels are separated into serpentine air ducts.

[0008] The front sidewall of the soundproof grille is exposed inside the cabin.

[0009] Furthermore, a perforation plate is provided on the rear side of the rear wall of the noise-reducing grille. The perforation plate is in contact with the rear wall of the noise-reducing grille and can slide laterally to block the mesh of the rear wall of the noise-reducing grille.

[0010] Furthermore, one end of the shading plate in the lateral direction is connected to a driver that drives its sliding.

[0011] Preferably, the actuator is an electric push-pull cylinder.

[0012] Preferably, two sound-absorbing baffles are provided.

[0013] Furthermore, the sound-absorbing baffle is arrayed with sound-absorbing holes.

[0014] Furthermore, the sound-absorbing baffle is connected to one side wall of the sound-absorbing channel in the horizontal direction and is spaced at a preset distance from the other side wall in the horizontal direction. This preset distance is equal to the spacing between adjacent sound-absorbing baffles.

[0015] Furthermore, the sound-absorbing holes in the overlapping portions of two adjacent sound-absorbing baffles do not overlap.

[0016] Furthermore, the front sidewall of the noise-reducing grille faces an inner wall of the cabin and is spaced at a predetermined distance.

[0017] Furthermore, on the inner side of the cabin wall facing the soundproof grille, a sound-absorbing panel is provided at the position corresponding to the soundproof grille.

[0018] This utility model provides a shared soundproof cabin. When the sound entering the ventilation duct passes through the soundproof grille, it is blocked by the sound-absorbing baffle. The energy of the sound wave is consumed and weakened, which can achieve the effect of reducing or eliminating sound. While blocking the sound, the sound-absorbing baffle forms a serpentine air duct, which can allow the airflow to pass smoothly and ensure the ventilation needs of the cabin.

[0019] In addition, the installation of silent grilles allows for the enlargement of ventilation duct port sizes as needed to meet the requirements of greater ventilation volume, while also achieving noise reduction.

[0020] In addition, by setting up a perforated plate, the degree to which the perforated plate blocks the mesh on the rear wall of the soundproof grille can be freely controlled according to the needs of ventilation and quietness, increasing the flexibility of the soundproof cabin. Attached Figure Description

[0021] In the attached diagram:

[0022] Figure 1 This is a cross-sectional schematic diagram of the soundproof cabin of this utility model;

[0023] Figure 2 This is a schematic diagram of a noise-reducing grille;

[0024] Figure 3 This is a cross-sectional view of the noise reduction grille.

[0025] The components represented by the various reference numerals in the diagram are:

[0026] 1. Cabin; 2. Ventilation duct; 3. Silent grille; 31. Sound absorption channel; 32. Sound absorption baffle; 321. Sound absorption hole; 33. Air duct; 4. Perforated plate; 5. Driver; 6. Sound absorption panel. Detailed Implementation

[0027] like Figures 1 to 3As shown, this utility model embodiment provides a shared soundproof cabin, which includes a cabin body 1. The structure of the cabin body 1 can adopt any existing soundproof cabin structure. Existing soundproof cabins are all equipped with ventilation ducts 2, which include air inlet ducts 33 and air outlet ducts 33 to form airflow in the cabin body 1 and ventilate the cabin body 1. Usually, the port of the air inlet duct 33 that connects to the inside of the cabin body 1 is located at the lower part of the side wall of the cabin body 1, and the port of the air outlet duct 33 that connects to the inside of the cabin body 1 is located on both sides of the top wall of the cabin body 1. The outer port of the air outlet duct 33 is usually equipped with a ventilation fan.

[0028] The core design feature of this embodiment lies in the improvement of the ventilation duct port 2 of the silent cabin. Therefore, other structures of the silent cabin will not be described in detail below. Those skilled in the art can refer to the structural composition of any existing silent cabin.

[0029] The present invention provides a shared quiet cabin, including a cabin body 1, a ventilation duct 2 on the cabin wall of the cabin body 1, and a quiet grille 3 at the port of the ventilation duct 2 connecting to the interior of the cabin body 1.

[0030] The silent grille 3 is cavity-shaped, with mesh holes on its front and rear side walls. Multiple sound-absorbing channels 31 are formed inside the cavity of the silent grille 3. The multiple sound-absorbing channels 31 extend back and forth and are arranged continuously in the transverse direction. Multiple sound-absorbing baffles 32 are provided inside the sound-absorbing channels 31. The multiple sound-absorbing baffles 32 are arranged at intervals back and forth, and the sound-absorbing channels 31 are separated into serpentine air ducts 33.

[0031] The front sidewall of the silent grille 3 is exposed inside the cabin 1.

[0032] It should be noted that the definitions of front and rear directions in this application are only relative to the silent grille 3 itself, and are defined for the convenience of description and understanding, and are not the front and rear directions of the silent cabin.

[0033] The shared soundproof cabin provided by this utility model replaces the traditional holes that directly connect to the interior of the cabin 1 with a soundproof grille 3. Through the staggered sound-absorbing baffles 32, and the serpentine air duct 33 that allows for air circulation, the airflow is ensured to be smooth while changing the direction of sound wave propagation and consuming sound wave energy. At the same time, the sound-absorbing baffles 32 themselves also have sound-absorbing effects. Under the dual sound-absorbing effect, the additional noise brought by the ventilation duct 2 connecting the inside and outside of the cabin 1 is reduced, further ensuring the quietness inside the cabin 1.

[0034] In detail, such as Figure 2 and Figure 3 As shown, the silent grille 3 in this embodiment is a rectangular body with an internal cavity. Mesh openings are provided on the front and rear side walls, while the other side walls are sealed. During installation, the front side wall of the silent grille 3 is exposed inside the cabin 1, the rear side wall is located inside the ventilation duct 2, and the other side walls are sealed to the inner side wall of the silent cabin, allowing the silent grille 3 to serve as the ventilation duct 2, connecting the air inlet and outlet within the cabin 1.

[0035] The cavity of the soundproof chamber is equipped with multiple horizontally arranged partitions, which divide the cavity of the soundproof grille 3 into multiple sound-absorbing channels 31. The sound-absorbing channels 31 are connected to the mesh on the front and rear side walls, so that the soundproof grille 3 can be ventilated from the front and rear.

[0036] Multiple sound-absorbing baffles 32 are installed inside the sound-absorbing channel 31. These baffles 32 are evenly spaced and parallel to each other, with their surfaces facing the front and back directions. The sound-absorbing baffles 32 are connected to one side wall of the sound-absorbing channel 31 in the horizontal direction, and are spaced at a predetermined distance from the other side wall in the horizontal direction. This allows adjacent sound-absorbing baffles 32 to be horizontally staggered, meaning that two adjacent sound-absorbing baffles 32 are respectively connected to the two side walls of the sound-absorbing channel 31 in the horizontal direction, and are left with a predetermined distance from the opposite side wall. This creates a serpentine air duct 33 within the sound-absorbing channel 31, allowing air to flow along the serpentine air duct 33 after entering the silent grille 3, thereby changing the direction of sound wave propagation and consuming sound wave energy.

[0037] The preset distance between the sound-absorbing baffle 32 and the side wall of the sound-absorbing channel 31 is equal to the spacing between adjacent sound-absorbing baffles 32.

[0038] In this embodiment, two sound-absorbing baffles 32 are provided to reduce the thickness of the silent grille 3, making it easier to install and use the silent grille 3.

[0039] The sound-absorbing baffle 32 can be made of a sound-absorbing material with a certain degree of hardness, such as sound-absorbing cotton or polyester fiberboard.

[0040] Furthermore, the sound-absorbing baffle 32 of this embodiment is arrayed with sound-absorbing holes 321. These sound-absorbing holes 321 can be used to make part of the sound wave propagation direction intersect with the mainstream sound wave direction in the air duct 33 to consume sound wave energy. Moreover, the arrayed sound-absorbing holes 321 can also improve the airflow.

[0041] The sound-absorbing holes 321 of the overlapping portions of two adjacent sound-absorbing baffles 32 do not overlap. This prevents the sound-absorbing holes 321 from axially aligning, thus improving the noise reduction effect.

[0042] Furthermore, in this embodiment, the sound-absorbing hole 321 is an inclined hole, with its central axis inclined to one side laterally relative to the front-back direction, and the direction of inclination is consistent with the airflow direction between the two sound-absorbing baffles 32, that is, as Figure 3 As shown, the air duct 33 is S-shaped from back to front. When air flows from back to front, the air between the two sound-absorbing baffles 32 flows to the right, and the sound-absorbing holes 321 on the sound-absorbing baffles 32 are tilted from back to front and to the right. In this way, the angle of sound wave propagation is changed by the tilted sound-absorbing holes 321, and the air flowing through the sound-absorbing holes 321 is aligned with the airflow direction in the air duct 33, which can promote airflow.

[0043] In this embodiment, the four side walls of the sound-absorbing channel 31 are provided with slots for engaging the edges of the sound-absorbing baffle 32 to fix the sound-absorbing baffle 32. In addition, the top of the silent grille 3 is detachable to facilitate the installation or replacement of the sound-absorbing baffle 32.

[0044] In addition, such as Figure 3 As shown, a hole-blocking plate 4 is provided on the rear side of the rear side wall of the silent grille 3. The hole-blocking plate 4 is in contact with the rear side wall of the silent grille 3 and can slide laterally to block the mesh of the rear side wall of the silent grille 3.

[0045] In this embodiment, the mesh on the rear sidewall of the soundproof grille 3 is a rectangular array of holes, and the horizontal spacing between adjacent holes is greater than the horizontal dimension of the holes. The shape of the perforation plate 4 is the same as the shape of the rear sidewall of the soundproof grille 3. During normal use, the holes on the perforation plate 4 coincide with the holes on the rear sidewall of the soundproof grille 3. When it is necessary to improve the soundproofing level inside the cabin 1, the degree of overlap between the perforation plate 4 and the rear sidewall of the soundproof grille 3 can be changed by moving the perforation plate 4 laterally. In some cases, the perforation plate 4 can completely block the mesh on the rear sidewall of the soundproof grille 3, completely sealing the interior of the cabin 1. When ventilation is needed, the perforation plate 4 can be moved in the opposite direction to connect the ventilation duct 2 and the interior of the cabin 1.

[0046] The perforated plate 4 allows users to flexibly choose between ventilation and quiet operation to meet their needs, thus improving the usability of the soundproof cabin.

[0047] Furthermore, one end of the shading plate 4 in the lateral direction is connected to a driver 5 that drives it to slide, and the driver 5 is an electric push-pull cylinder.

[0048] Additionally, see Figure 1 As shown, in the silent cabin of this embodiment, the front side wall of the silent grille 3 is set facing an inner wall of the cabin body 1 and is spaced at a preset distance, so that the air inlet and outlet directions are not directly facing the user inside the cabin. This is to reduce the discomfort caused by airflow to the user and to reduce the direct transmission of sound brought in by the ventilation duct 2 to the user.

[0049] In addition, on the inner side of the inner wall of the cabin 1 facing the soundproof grille 3, a sound-absorbing panel 6 is provided at the position corresponding to the soundproof grille 3. The sound-absorbing panel 6 can be made of corrugated sound-absorbing cotton to further absorb the sound that may be transmitted from the ventilation duct 2, ensuring the soundproof effect in the cabin 1, while disturbing the air flow, making the air flow smooth and dispersed, reducing the discomfort caused to the user by the air flow during ventilation.

[0050] This utility model provides a shared soundproof cabin. By setting up soundproof grilles 3 and the way the soundproof grilles 3 are installed within the soundproof cabin, it can further reduce or avoid the sound introduced by the ventilation duct 2, improving the soundproofing effect within the cabin, based on the traditional soundproof cabin. Simultaneously, due to the increased soundproofing intensity, it is possible to increase the size of the port connecting the ventilation duct 2 to the cabin body 1 to improve ventilation. Furthermore, the ventilation and soundproofing levels can be flexibly selected by moving the perforated plate 4, improving the usability of the soundproof cabin.

Claims

1. A shared silent cabin, comprising a cabin body (1), wherein ventilation ducts (2) are provided on the cabin walls of the cabin body (1), characterized in that, The ventilation duct (2) is equipped with a soundproof grille (3) at the port connecting to the cabin (1); The silent grille (3) is cavity-shaped, with mesh holes on its front and rear side walls. Multiple sound-absorbing channels (31) are formed inside the cavity of the silent grille (3). The multiple sound-absorbing channels (31) extend back and forth and are arranged continuously in the transverse direction. Multiple sound-absorbing baffles (32) are provided inside the sound-absorbing channels (31). The multiple sound-absorbing baffles (32) are arranged at intervals back and forth, and the sound-absorbing channels (31) are separated into serpentine air ducts (33). The front sidewall of the silent grille (3) is exposed inside the cabin (1).

2. A shared silent cabin as described in claim 1, characterized in that, The rear side of the rear wall of the silent grille (3) is provided with a hole-blocking plate (4). The hole-blocking plate (4) is close to the rear wall of the silent grille (3) and can slide laterally to block the mesh of the rear wall of the silent grille (3).

3. A shared silent cabin as described in claim 2, characterized in that, One end of the shading plate (4) in the lateral direction is connected to a driver (5) that drives it to slide.

4. A shared silent cabin as described in claim 3, characterized in that, The actuator (5) is an electric push-pull cylinder.

5. A shared silent cabin as described in claim 1, characterized in that, Two sound-absorbing baffles (32) are provided.

6. A shared silent cabin as described in claim 5, characterized in that, The sound-absorbing baffle (32) has an array of sound-absorbing holes (321).

7. A shared silent cabin as described in claim 6, characterized in that, The sound-absorbing baffle (32) is connected to one side wall of the sound-absorbing channel (31) in the horizontal direction and is spaced at a preset distance from the other side wall in the horizontal direction. The preset distance is equal to the spacing distance between adjacent sound-absorbing baffles (32).

8. A shared silent cabin as described in claim 7, characterized in that, The sound-absorbing holes (321) of the overlapping parts of two adjacent sound-absorbing baffles (32) do not overlap.

9. A shared silent cabin as described in claim 1, characterized in that, The front sidewall of the silent grille (3) faces an inner wall of the cabin (1) and is spaced at a predetermined distance.

10. A shared silent cabin as described in claim 9, characterized in that, On the inner side of the inner wall of the cabin (1) facing the soundproof grille (3), a sound-absorbing plate (6) is provided at the position corresponding to the soundproof grille (3).

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