CN210599439U - Noise reduction device of compressor - Google Patents

Abstract

The utility model provides a device of making an uproar falls in compressor, should fall the device of making an uproar includes a noise reduction portion and a connecting portion, noise reduction portion contains a top terminal surface and a lateral wall, the edge of top terminal surface has a plurality of convex arc limits and a plurality of concave arc limits, the lateral wall is connected in the edge of top terminal surface, the lateral wall contains a plurality of convex arc portions and a plurality of concave arc portions, be provided with the gas vent in at least one concave arc portion of lateral wall, the gas vent is close to convex arc portion, the gas vent can be along a gas discharge direction blowout gas, wherein the gas vent is located the lateral wall of noise reduction portion of the device of making an uproar, make the gas discharge direction be. Therefore, the noise volume can be effectively reduced, and the performance of the compressor can be improved.

Description

Noise reduction device of compressor

Technical Field

The utility model relates to a compressor field especially relates to a reduce device of making an uproar that falls of compressor noise volume.

Background

The compressor is a core device for compressing the refrigerant in the air conditioning system to make the refrigerant participate in the circulation, the rotary compressor is a common compressor, and in the process of ring rotation compression, noise is transmitted from high-pressure gas through an exhaust port. In order to reduce the noise of the compressor, a noise reducer is arranged above a compression pump of the compressor, and gas needs to be discharged from the noise reducer, so that an exhaust port needs to be arranged on the noise reducer.

The common type of the exhaust port of the existing noise reduction device is designed to be upward, oblique or lateral exhaust, wherein the position and the size of the exhaust port can affect the noise volume and the performance difference of the compressor, while the common type of the exhaust port is mostly arranged on the top end surface of the noise reduction device, but the noise reduction device (noise reduction cavity) can correspond to different sound field modes at different frequencies, and if the exhaust port is arranged at an inappropriate position, the noise reduction effect cannot exert the maximum benefit. Moreover, the exhaust port is arranged on the top end face of the noise reduction device, and high-pressure gas exhausted from the exhaust port is interfered by the rotation of the rotor balance block; the refrigerant oil inside the noise reducer cannot be completely discharged due to the exhaust port provided on the top end surface of the noise reducer, and is partially accumulated in the noise reducer, thereby affecting the noise level and performance of the compressor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a device of making an uproar falls of compressor is provided to the not enough of prior art, can effectual reduction noise volume to promote the compressor performance.

In order to solve the technical problem, the utility model adopts the technical scheme that a device of making an uproar falls in compressor is provided, should fall the device of making an uproar and install in the top of compression pump, should fall the device of making an uproar and include a amortization portion and a connecting portion. The silencing part comprises a top end surface and a side wall, the edge of the top end surface is provided with a plurality of convex arc edges and a plurality of concave arc edges, the plurality of convex arc edges are arranged at intervals, the plurality of concave arc edges are arranged at intervals, the plurality of convex arc edges and the plurality of concave arc edges are arranged in a staggered manner, the side wall is connected to the edge of the top end surface, the side wall comprises a plurality of convex arc parts and a plurality of concave arc parts, the plurality of convex arc parts are respectively connected to the plurality of convex arc edges, the plurality of convex arc parts extend downwards, the plurality of concave arc parts are respectively connected to the plurality of concave arc edges, the plurality of concave arc parts extend downwards, at least one concave arc part of the side wall is provided with an exhaust port, and the exhaust port is close to the convex arc parts; the connecting part is connected to the bottom of the side wall; the exhaust port is positioned on the side wall of the noise reduction part of the noise reduction device, so that the exhaust direction is parallel to the tangential direction of the compressor rotor.

Preferably, the convex arc edge is in a convex arc shape, and the concave arc edge is in a concave arc shape.

Preferably, the convex arc portion is a convex arc plate, and the concave arc portion is a concave arc plate.

Preferably, the connecting portion has a plurality of connecting holes.

Preferably, each convex arc edge is arranged between two adjacent concave arc edges, and each concave arc edge is arranged between two adjacent convex arc edges.

Preferably, each convex arc portion is disposed between two adjacent concave arc portions, and each concave arc portion is disposed between two adjacent convex arc portions.

Preferably, the upper end of the exhaust port extends to the top end face.

Preferably, the center of the top end face is provided with a through hole.

The beneficial effects of the utility model reside in that, the utility model provides a noise reduction device includes noise reduction portion and connecting portion, and noise reduction portion contains top end face and lateral wall, and gas can spout through setting up the gas vent at the lateral wall during the use, because the gas vent is located the position that is close to the convex arc portion on the concave arc portion of lateral wall, and the gas vent is located noise reduction device's lateral wall, makes the exhaust direction be on a parallel with the tangential direction of the nearest point of gas vent of lateral wall of noise reduction portion, and the exhaust direction is on a parallel with the tangential direction of compressor rotor, and high-pressure gas no longer receives the rotatory interference of rotor balancing piece, is favorable to high-pressure gas to discharge; the refrigerant oil in the noise reducer can be discharged almost without hindrance. The exhaust port is arranged at a position where the noise reduction device is kept away from the relatively high sound pressure, so that the noise volume can be effectively reduced, and the performance of the compressor is improved.

For a further understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Drawings

Fig. 1 is a perspective view of the noise reduction device of the compressor of the present invention.

Fig. 2 is a perspective view of the noise reduction device of the compressor according to another angle of the present invention.

Fig. 3 is a perspective view of the compression pump of the present invention.

Fig. 4 is a perspective view of the compression pump of the present invention at another angle.

Fig. 5 is a plan view of the compression pump of the present invention.

Fig. 6 is a cross-sectional view vi-vi of fig. 5.

Detailed Description

[ examples ]

Referring to fig. 1 and 2, the present invention provides a noise reducer for a compressor, which can reduce the noise of the compressor, wherein the noise reducer 100 can be installed above a compressor pump 200 of the compressor (as shown in fig. 3 to 6), and the noise reducer 100 includes a noise reduction portion 1 and a connection portion 2.

The sound-deadening portion 1 is substantially a circular housing, and the sound-deadening portion 1 includes a top end surface 11 and a side wall 12. The edge of the top end face 11 is provided with a plurality of convex arc edges 111 and a plurality of concave arc edges 112, the convex arc edges 111 are convex arc shapes, the concave arc edges 112 are concave arc shapes, the convex arc edges 111 are arranged at intervals, the concave arc edges 112 are arranged at intervals, each convex arc edge 111 is arranged between two adjacent concave arc edges 112, and each concave arc edge 112 is arranged between two adjacent convex arc edges 111. The top end surface 11 may have a through hole 113 at a central position, and the through hole 113 may be used for the eccentric shaft 6 of the compression pump 200 to pass through (as shown in fig. 6).

The side wall 12 is connected to the edge of the top end surface 11 and extends downward, so that the top end surface 11 and the side wall 12 can form a hollow shell, the side wall 12 can extend downward along the vertical line or the direction close to the vertical line, and the side wall 12 is located at the edge of the sound-deadening portion 1. This lateral wall 12 contains a plurality of convex arc portions 121 and a plurality of concave arc portion 122, and convex arc portion 121 is convex arc board, and concave arc portion 122 is concave arc board, and is a plurality of convex arc portion 121 is connected respectively in a plurality of convex arc edge 111, and it is a plurality of convex arc portion 121 downwardly extending, it is a plurality of concave arc portion 122 is connected respectively in a plurality of concave arc edge 112, and is a plurality of concave arc portion 122 downwardly extending. The convex arc portions 121 are arranged at intervals, the concave arc portions 122 are arranged at intervals, the convex arc portions 121 and the concave arc portions 122 are arranged alternately, that is, each convex arc portion 121 is arranged between two adjacent concave arc portions 122, each concave arc portion 122 is arranged between two adjacent convex arc portions 121, and the concave arc portions 122 can enable the edge of the silencing portion 1 to form a concave shape so as to accommodate the fixing member 3 (as shown in fig. 3).

At least one concave arc portion 122 of the side wall 12 is provided with an air outlet 123, and the air outlet 123 is close to the edge (outer edge) of the sound-deadening portion 1, that is, the air outlet 123 is close to the convex arc portion 121. In the present embodiment, the two concave arc portions 122 of the sidewall 12 are respectively provided with an exhaust port 123, but the number of the exhaust ports 123 is not limited, and one or more exhaust ports 123 may be provided, and only a part of the concave arc portions 122 may be provided with the exhaust port 123, or all of the concave arc portions 122 may be provided with the exhaust port 123. The exhaust port 123 is opened on the side wall 12 near the edge of the silencer component 1, so that the exhaust port 123 can be designed in a tangential manner, i.e. the exhaust port 123 can eject gas along an exhaust direction a, and the exhaust direction a is parallel to a tangential direction B of the side wall 12 of the silencer component 1 corresponding to the nearest point of the exhaust port 123. The shape of the exhaust port 123 is not limited, and may be square, circular, or other shapes, and in this embodiment, the exhaust port 123 is square, and the upper end of the exhaust port 123 extends to the top end surface 11.

The connecting portion 2 is connected to the bottom of the sidewall 12 of the sound-deadening portion 1 and extends outward, so that the connecting portion 2 can be connected to the bottom of the sound-deadening portion 1, the sound-deadening portion 1 can form a bulge shape on the connecting portion 2, the connecting portion 2 has a plurality of connecting holes 21, and a fixing member 3 (such as a bolt or a rivet) can be inserted into the plurality of connecting holes 21 to be connected to the compression pump 200 (shown in fig. 3).

As shown in fig. 3 to 6, the compression pump 200 includes a cylinder block 4, a ring 5, an eccentric shaft 6, a first support 7, and a second support 8. The number of the cylinder 4 and the ring 5 is not limited, the compression pump 200 may be a single cylinder or a double cylinder, and the number of the cylinder 4 and the ring 5 may be one or two, and a cylinder 4 and a ring 5 are provided in this embodiment. The ring 5 is rotatably disposed in the cylinder block 4, the cylinder block 4 and the ring 5 are disposed between a first support 7 and a second support 8, and the first support 7 and the second support 8 can support the cylinder block 4, the ring 5 and the eccentric shaft 6. The ring 5 may be connected to a rotor (not shown) of a motor through an eccentric shaft 6, the rotor of the motor may drive the eccentric shaft 6 to rotate, the eccentric shaft 6 may drive the ring 5 to rotate in the cylinder 4, so that the gas refrigerant is sucked into a compression space inside the cylinder 4 of the compression pump 200, and is continuously compressed to a certain pressure, and then the compressed refrigerant is discharged. Since the above-mentioned compression pump 200 is a well-known technology, and the present invention does not limit the structure of the compression pump 200, it is not described in detail.

The utility model discloses a device of making an uproar 100 falls includes noise reduction portion 1 and connecting portion 2, noise reduction portion 1 contains top terminal surface 11 and lateral wall 12, gas can be spout through setting up gas vent 123 at lateral wall 12 during the use, because gas vent 123 locates the position that is close to convex arc 121 on the concave arc 122 of lateral wall 12, gas vent 123 is located noise reduction device 100's lateral wall 12, make exhaust direction A be on a parallel with noise reduction portion 1's lateral wall 12 corresponding to the tangential direction B of the nearest point of gas vent 123, exhaust direction A is on a parallel with the tangential direction of compressor rotor promptly.

[ beneficial effects of the present invention ]

The utility model has the advantages that the exhaust port is arranged on the side wall of the noise reduction part of the noise reduction device, the exhaust direction is parallel to the tangential direction of the compressor rotor, and the high-pressure gas is not disturbed by the rotation of the rotor balance block, thereby being beneficial to smoothly discharging the high-pressure gas, reducing the noise and reducing the pressure pulsation; the refrigerant oil in the noise reducer can be discharged almost without hindrance. The utility model discloses can reduce the noise volume effectively to promote the compressor performance.

However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that all equivalent changes and modifications of the present invention, which are made by the contents of the specification and the drawings, are equally encompassed by the scope of the present invention, and it is well known that the present invention is also applicable.

Claims (8)

1. A noise reducing device of a compressor, the noise reducing device being installed above a compression pump, the noise reducing device comprising:

the silencing part comprises a top end surface and a side wall, the edge of the top end surface is provided with a plurality of convex arc edges and a plurality of concave arc edges, the plurality of convex arc edges are arranged at intervals, the plurality of concave arc edges are arranged at intervals, the plurality of convex arc edges and the plurality of concave arc edges are arranged in a staggered manner, the side wall is connected to the edge of the top end surface, the side wall comprises a plurality of convex arc parts and a plurality of concave arc parts, the plurality of convex arc parts are respectively connected to the plurality of convex arc edges, the plurality of convex arc parts extend downwards, the plurality of concave arc parts are respectively connected to the plurality of concave arc edges, the plurality of concave arc parts extend downwards, at least one concave arc part of the side wall is provided with an exhaust port, and the exhaust port is close to the convex arc parts; and

the connecting part is connected to the bottom of the side wall;

the exhaust port is positioned on the side wall of the noise reduction part of the noise reduction device, so that the exhaust direction is parallel to the tangential direction of the compressor rotor.

2. The noise reducer for compressor according to claim 1, wherein the convex arc is in the shape of a convex arc, and the concave arc is in the shape of a concave arc.

3. The noise reducer for compressor according to claim 2, wherein the convex arc portion is a convex arc plate, and the concave arc portion is a concave arc plate.

4. The noise reducer of compressor according to claim 1, wherein the connecting portion has a plurality of connecting holes.

5. The noise reducer for compressor according to claim 1, wherein each of the convex curved edges is disposed between two adjacent concave curved edges, and each of the concave curved edges is disposed between two adjacent convex curved edges.

6. The noise reducer for compressor according to claim 1, wherein each convex arc portion is disposed between two adjacent concave arc portions, and each concave arc portion is disposed between two adjacent convex arc portions.

7. The noise reducing device of a compressor as set forth in claim 1, wherein an upper end of the discharge port extends to the top end surface.

8. The noise reducing apparatus of claim 1, wherein the top end surface has a through hole at a central position thereof.

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