Compressor noise reduction device

Abstract

The utility model discloses a compressor noise reduction device which comprises a noise reduction shell, the left side of the noise reduction shell is provided with an opening, the right side of the noise reduction shell is connected with a cover body through a bolt, the left side of the cover body is provided with an opening, a circle of sound absorption sponge is wrapped in an inner cavity of the noise reduction shell, and the right side of the noise reduction shell is connected with a first sound absorption plate. The right side of the first sound absorption plate is attached to the inner wall of the right side of the noise reduction shell, a plurality of evenly-distributed rectangular sound absorption grooves are formed in the left side of the first sound absorption plate, the right sides of the rectangular sound absorption grooves communicate with spiral grooves, the right ends of the spiral grooves communicate with the interior of the cover body, and the right side of the cover body is connected with a sound absorption block in a penetrating mode. And a plurality of sound discharge holes which are uniformly distributed are formed in the side wall of the sound absorption block. According to the technical scheme, the rectangular sound absorption grooves, the spiral grooves, the inclined grooves, the arc-shaped grooves, the V-shaped grooves and other parts are matched with one another, so that multiple sound absorption can be conducted, sound absorption can be effectively conducted, and the sound absorption efficiency and the noise reduction efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, and in particular to a compressor noise reduction device. Background Technology

[0002] To reduce noise during the operation of refrigeration equipment, noise reduction devices are usually installed on the compressor of the refrigeration equipment. The noise reduction device generally includes a housing, and a sound-absorbing cavity is set inside the housing. The sound-absorbing cavity is connected to the outside of the silencer body through the intake pipe and the exhaust pipe. However, the existing compressor noise reduction devices cannot perform multiple sound absorption during use, which makes them unable to effectively absorb sound and reduces their sound absorption efficiency and noise reduction efficiency. Therefore, we propose a compressor noise reduction device. Utility Model Content

[0003] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a compressor noise reduction device that can perform multiple sound absorption, thereby effectively absorbing sound and improving its sound absorption efficiency and noise reduction efficiency.

[0004] To achieve the above objectives, a compressor noise reduction device is provided, comprising: a noise reduction housing, wherein the left side of the noise reduction housing is open, and a cover is bolted to the right side of the noise reduction housing, wherein the left side of the cover is open, the inner cavity of the noise reduction housing is wrapped with a ring of sound-absorbing sponge, a first sound-absorbing plate is connected to the right side of the noise reduction housing, and the right side of the first sound-absorbing plate is attached to the inner wall of the right side of the noise reduction housing, a plurality of evenly distributed rectangular sound-absorbing grooves are formed on the left side of the first sound-absorbing plate, and a spiral groove is connected to the right side of the rectangular sound-absorbing grooves, the right end of the spiral groove is connected to the interior of the cover, and a sound-absorbing block is connected through the right side of the cover, wherein a plurality of evenly distributed sound exhaust holes are formed on the side wall of the sound-absorbing block.

[0005] According to the compressor noise reduction device, the left side of the sound-absorbing sponge is connected to a second sound-absorbing plate, and the left side of the second sound-absorbing plate is provided with a plurality of evenly distributed arc-shaped grooves. The right side of the arc-shaped grooves is connected to a V-shaped groove, and the right side of the V-shaped grooves is connected to a horizontal groove. The right end of the horizontal groove is connected to the right side of the second sound-absorbing plate.

[0006] According to the compressor noise reduction device, the top and bottom of the noise reduction housing are both connected to mounting plates by bolts near the left side, and the mounting plates are provided with mounting holes.

[0007] According to the compressor noise reduction device, several uniformly distributed inclined grooves are connected between adjacent spiral grooves.

[0008] According to the compressor noise reduction device, a vertical groove is connected between two adjacent V-shaped grooves.

[0009] According to the compressor noise reduction device, a muffler is sleeved on the left side of the sound-absorbing block, and the left side of the muffler is bolted to the right outer wall of the noise reduction housing.

[0010] According to the compressor noise reduction device, the right ends of several spiral grooves are placed inside a muffler.

[0011] The above solution has at least one of the following beneficial effects: This technical solution, through the cooperation between components such as rectangular sound-absorbing grooves, spiral grooves, inclined grooves, arc grooves and V-shaped grooves, enables it to perform multiple sound absorption, thereby effectively absorbing sound and improving its sound absorption efficiency and noise reduction efficiency.

[0012] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0014] Figure 1 This is a front perspective view of the present invention;

[0015] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;

[0016] Figure 3 for Figure 1 Enlarged view of point A in the image;

[0017] Figure 4 for Figure 1 Partial 3D view of components such as the sound-absorbing block and silencer.

[0018] Legend:

[0019] 1. Noise-reducing housing; 2. Mounting plate; 3. Mounting hole; 4. Cover; 5. Sound-absorbing block; 6. Sound exhaust hole; 7. Sound-absorbing sponge; 8. First sound-absorbing panel; 9. Spiral groove; 10. Inclined groove; 11. Rectangular sound-absorbing groove; 12. Silencer; 13. Second sound-absorbing panel; 14. Arc groove; 15. V-shaped groove; 16. Vertical groove; 17. Horizontal groove. Detailed Implementation

[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0021] Reference Figures 1 to 4 This utility model discloses a compressor noise reduction device, which includes a noise reduction housing 1, with an opening on the left side. A cover 4 is bolted to the right side of the noise reduction housing 1, with an opening on the left side of the cover 4. A ring of sound-absorbing sponge 7 surrounds the inner cavity of the noise reduction housing 1. A first sound-absorbing plate 8 is connected to the right side of the noise reduction housing 1, and the right side of the first sound-absorbing plate 8 is attached to the inner right wall of the noise reduction housing 1. Several evenly distributed rectangular sound-absorbing grooves 11 are formed on the left side of the first sound-absorbing plate 8. The right side of the sound-absorbing groove 11 is connected to a spiral groove 9, and several evenly distributed inclined grooves 10 are connected between adjacent spiral grooves 9. The right end of the spiral groove 9 is connected to the inside of the cover 4. The right side of the cover 4 is connected to a sound-absorbing block 5, and several evenly distributed sound exhaust holes 6 are opened on the side wall of the sound-absorbing block 5. The left side of the sound-absorbing block 5 is fitted with a silencer 12, and the left side of the silencer 12 is connected to the right outer wall of the noise reduction housing 1 by bolts. The right ends of several spiral grooves 9 are placed inside the silencer 12.

[0022] The left side of the sound-absorbing sponge 7 is connected to a second sound-absorbing panel 13, and the left side of the second sound-absorbing panel 13 has several evenly distributed arc-shaped grooves 14. The right side of the arc-shaped grooves 14 is connected to a V-shaped groove 15, and the right side of the V-shaped groove 15 is connected to a horizontal groove 17. A vertical groove 16 connects two adjacent V-shaped grooves 15, and the right end of the horizontal groove 17 is connected to the right side of the second sound-absorbing panel 13. This structure enables multiple sound absorption, thereby effectively absorbing sound and improving its sound absorption and noise reduction efficiency.

[0023] The top and bottom of the noise-reducing housing 1 are bolted to mounting plates 2 near the left side, and mounting plates 2 have mounting holes 3. This structure allows for convenient installation and disassembly.

[0024] Working principle: When using this technical solution, the noise reduction housing 1 is first installed on the compressor at the required position using the mounting plate 2, mounting holes 3, and screws. The noise generated by the compressor is introduced into the noise reduction housing 1 and enters the V-shaped groove 15 through the arc groove 14. At this time, it is drawn into the rectangular sound absorption groove 11 by the arc groove 14, V-shaped groove 15, vertical groove 16, and horizontal groove 17, and then drawn into the silencer 12 by the spiral groove 9 and inclined groove 10. Finally, it is discharged through the sound exhaust hole 6 on the sound absorption block 5, which enables it to perform multiple sound absorption, thereby effectively absorbing sound and improving its sound absorption efficiency and noise reduction efficiency.

[0025] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A compressor noise reduction device, characterized in that, include: The noise reduction housing (1) has an opening on the left side. The right side of the noise reduction housing (1) is connected to a cover (4) by bolts. The left side of the cover (4) is also open. The inner cavity of the noise reduction housing (1) is wrapped with a ring of sound-absorbing sponge (7). The right side of the noise reduction housing (1) is connected to a first sound-absorbing plate (8). The right side of the first sound-absorbing plate (8) is attached to the inner wall of the right side of the noise reduction housing (1). The left side of the first sound-absorbing plate (8) has several evenly distributed rectangular sound-absorbing grooves (11). The right side of the rectangular sound-absorbing grooves (11) is connected to a spiral groove (9). The right end of the spiral groove (9) is connected to the inside of the cover (4). The right side of the cover (4) is connected to a sound-absorbing block (5). The side wall of the sound-absorbing block (5) has several evenly distributed sound-emitting holes (6).

2. The compressor noise reduction device according to claim 1, characterized in that, The left side of the sound-absorbing sponge (7) is connected to the second sound-absorbing plate (13), and the left side of the second sound-absorbing plate (13) is provided with a number of evenly distributed arc-shaped grooves (14). The right side of the arc-shaped grooves (14) is connected to a V-shaped groove (15), and the right side of the V-shaped grooves (15) is connected to a horizontal groove (17). The right end of the horizontal groove (17) is connected to the right side of the second sound-absorbing plate (13).

3. The compressor noise reduction device according to claim 1, characterized in that, The top and bottom of the noise reduction housing (1) are connected to mounting plates (2) by bolts near the left side, and mounting plates (2) are provided with mounting holes (3).

4. The compressor noise reduction device according to claim 1, characterized in that, Several evenly distributed inclined grooves (10) connect adjacent spiral grooves (9).

5. A compressor noise reduction device according to claim 2, characterized in that, A vertical groove (16) connects two adjacent V-shaped grooves (15).

6. A compressor noise reduction device according to claim 1, characterized in that, The sound-absorbing block (5) is fitted with a muffler (12) on its left side, and the left side of the muffler (12) is bolted to the outer right side of the noise-reducing housing (1).

7. A compressor noise reduction device according to claim 1, characterized in that, The right ends of several of the spiral grooves (9) are placed inside the silencer (12).

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