CN217682191U - Exhaust buffer cavity structure and compressor - Google Patents

Abstract

The utility model provides an exhaust cushion chamber structure and compressor relates to the refrigeration technology field. The exhaust buffer cavity structure comprises a buffer cavity, a shell, a guide pipe and a sound insulation layer. The both ends of cushion chamber all are used for being connected with the blast pipe of compressor, and the cushion chamber is used for the gas in the blast pipe of confession compressor to pass through. The shell sets up outside the cushion chamber, and the puigging is located between cushion chamber and the shell, and the pipe stretches into the puigging. Through pipe to the puigging evacuation, or through pipe to the puigging packing sound-proof liquid to make the puigging can obstruct the propagation of sound effectively, thereby play apparent noise reduction effect. In addition, the vacuum pumping or the sound insulation liquid filling can be performed according to different noise reduction requirements, so that the adaptability of the exhaust buffer cavity structure is improved.

Description

Exhaust buffer cavity structure and compressor

Technical Field

The utility model relates to the field of refrigeration technology, particularly, relate to an exhaust cushion chamber structure and compressor.

Background

High-temperature and high-pressure gas formed in the running process of the compressor enters the refrigeration cycle system through the exhaust coil, and the gas with high flow speed generates obvious airflow pulsation characteristics due to intermittent exhaust, so that airflow noise and system pipeline vibration are caused.

The exhaust buffer cavity is one of the key parts for generating pulsation noise and pipeline vibration in the compressor, however, the existing exhaust buffer cavity still causes excessive noise and pipeline pulsation, and the air flow noise reduction effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust cushion chamber structure and compressor, it can show and play the noise reduction effect.

The embodiment of the utility model is realized like this:

in a first aspect, the present invention provides an exhaust buffer chamber structure applied to a compressor, comprising a buffer chamber, a housing, a duct, and a soundproof layer;

the two ends of the buffer cavity are both used for being connected with an exhaust pipe of the compressor, and the buffer cavity is used for allowing gas in the exhaust pipe of the compressor to pass through;

the shell is arranged outside the buffer cavity, the sound insulation layer is positioned between the buffer cavity and the shell, and the guide pipe extends into the sound insulation layer;

the sound insulation layer is a vacuum layer, and the guide pipe is used for vacuumizing the sound insulation layer; or the sound insulation layer is a liquid layer, and the guide pipe is used for filling sound insulation liquid into the sound insulation layer.

In an optional embodiment, the buffer cavity is provided with a first through hole and a second through hole which are opposite to each other, the first through hole is used for introducing gas in the exhaust pipe of the compressor, and the second through hole is used for discharging the gas in the exhaust pipe of the compressor.

In an alternative embodiment, the first through hole has a larger aperture than the second through hole.

In an alternative embodiment, the buffer chamber includes a first end and a second end disposed opposite each other, and the first end and the second end are each hemispherical.

In an optional embodiment, the buffer chamber further includes a connecting portion, one end of the connecting portion is connected to the first end, and the other end of the connecting portion is connected to the second end, and the connecting portion is cylindrical.

In an optional embodiment, the first through hole is opened at the first end, the second through hole is opened at the second end, and the first through hole and the second through hole are both located on an axis of the connecting portion.

In an alternative embodiment, the conduit is disposed at the first end.

In an alternative embodiment, the conduit is used to fill the acoustic barrier with an oil or buffer.

In an alternative embodiment, the shape of the housing is adapted to the shape of the buffer chamber, and any point on the housing is equally spaced from the buffer chamber.

In a second aspect, the present invention provides a compressor comprising the exhaust buffer chamber structure according to any one of the previous embodiments.

The embodiment of the utility model provides an exhaust cushion chamber structure and compressor's beneficial effect includes: through pipe to the puigging evacuation, or through pipe to the puigging packing sound-proof liquid to make the puigging can obstruct the propagation of sound effectively, thereby play apparent noise reduction effect. In addition, the vacuum pumping or the sound insulation liquid filling can be performed according to different noise reduction requirements, so that the adaptability of the exhaust buffer cavity structure is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural view of an exhaust buffer cavity provided in an embodiment of the present invention;

fig. 2 is a sectional view of the exhaust buffer cavity structure provided by the embodiment of the present invention.

Icon: 10-an exhaust buffer cavity structure; 100-a buffer chamber; 110-a first via; 120-a second via; 130-a first end; 140-a second end; 150-a connecting portion; 200-a housing; 300-a catheter; 400-sound insulation layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a compressor, including parts such as exhaust buffer chamber structure and blast pipe, through setting up the buffer chamber structure of arranging period in the blast pipe, can effectively suppress the propagation of noise to play apparent noise reduction effect.

Further, referring to fig. 1 and 2, the present invention provides an exhaust buffer chamber structure 10 including a buffer chamber 100, a housing 200, a duct 300, and a sound insulation layer 400.

Wherein, the both ends of cushion chamber 100 all are used for being connected with the blast pipe of compressor, and cushion chamber 100 is used for the gas in the blast pipe of compressor to pass through. Outer shell 200 is disposed in a wrapped manner outside of cushion chamber 100, with acoustic barrier 400 disposed between cushion chamber 100 and outer shell 200, and with duct 300 extending into acoustic barrier 400.

In this embodiment, a through hole (not shown) is formed in the casing 200 so that the duct 300 is inserted into the soundproof layer 400 through the through hole, and the duct 300 is fixed to the casing 200 by welding. The soundproof layer 400 is vacuumed through the duct 300 or the soundproof layer 400 is filled with soundproof liquid through the duct 300, so that the soundproof layer 400 effectively blocks the propagation of sound, thereby achieving a significant noise reduction effect. In addition, the exhaust buffer cavity structure 10 can be vacuumized or filled with sound insulation liquid according to different noise reduction requirements, so that the adaptability of the exhaust buffer cavity structure is improved.

In the present embodiment, the soundproof liquid may be, but is not limited to, oil liquid and buffer liquid, and is not particularly limited thereto.

Further, the buffer chamber 100 is provided with a first through hole 110 and a second through hole 120 which are opposite to each other, the first through hole 110 is used for introducing gas in the exhaust pipe of the compressor, and the second through hole 120 is used for discharging the gas in the exhaust pipe of the compressor, so that the gas enters the buffer chamber 100 from the first through hole 110 and is discharged out of the buffer chamber 100 through the second through hole 120.

Further, the aperture of the first through hole 110 is larger than that of the second through hole 120.

In this embodiment, the aperture of the first through hole 110 for allowing the gas to enter the buffer chamber 100 is larger, and the aperture of the second through hole 120 for allowing the gas to exit the buffer chamber 100 is smaller, so that a certain buffering effect is exerted on the flow of the gas, and a certain noise reduction effect is exerted.

Further, the buffer cavity 100 includes a first end 130, a second end 140, and a connecting portion 150.

The first end 130 and the second end 140 are disposed opposite to each other, and one end of the connecting portion 150 is connected to the first end 130 and the other end is connected to the second end 140.

In this embodiment, the first end 130 and the second end 140 are both hemispherical, the connecting portion 150 is cylindrical, and the first end 130, the second end 140 and the connecting portion 150 jointly make the buffer cavity 100 be in a capsule shape, so as to buffer the gas entering the buffer cavity 100 to a certain extent, and further reduce noise to a certain extent.

Specifically, the first through hole 110 is opened at the first end 130, the second through hole 120 is opened at the second end 140, the first through hole 110 and the second through hole 120 are both located on the axis of the connecting portion 150, and the conduit 300 is disposed at the first end 130.

Further, the shape of shell 200 and the shape adaptation of cushion chamber 100, and arbitrary one point on shell 200 equals with the interval in cushion chamber 100 to make the thickness of puigging 400 between shell 200 and cushion chamber 100 keep unanimous, thereby guarantee that the vacuum space in puigging 400 or the sound-proof liquid distributes outside cushion chamber 100 evenly, and then plays good syllable-dividing effect and noise reduction.

To sum up, the utility model provides an exhaust cushion chamber structure and compressor, through pipe 300 to puigging 400 evacuation, or through pipe 300 to puigging 400 packing sound-proof liquid to make puigging 400 obstruct the propagation of sound effectively, thereby played the noise reduction effect who is showing. In addition, the evacuation or the filling of the sound insulation liquid can be selected according to different noise reduction requirements, so that the adaptability of the exhaust buffer cavity structure 10 is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An exhaust buffer cavity structure is applied to a compressor and is characterized by comprising a buffer cavity, a shell, a duct and a sound insulation layer;

the two ends of the buffer cavity are both used for being connected with an exhaust pipe of the compressor, and the buffer cavity is used for allowing gas in the exhaust pipe of the compressor to pass through;

the shell is arranged outside the buffer cavity, the sound insulation layer is positioned between the buffer cavity and the shell, and the guide pipe extends into the sound insulation layer;

the sound insulation layer is a vacuum layer, and the guide pipe is used for vacuumizing the sound insulation layer; or the sound insulation layer is a liquid layer, and the guide pipe is used for filling sound insulation liquid into the sound insulation layer.

2. The exhaust buffer cavity structure as claimed in claim 1, wherein the buffer cavity is provided with a first through hole and a second through hole which are opposite to each other, the first through hole is used for introducing gas in the exhaust pipe of the compressor, and the second through hole is used for exhausting gas in the exhaust pipe of the compressor.

3. The exhaust buffer chamber structure according to claim 2, wherein the first through hole has a larger aperture than the second through hole.

4. The exhaust buffer cavity structure of claim 3 wherein said buffer cavity comprises first and second oppositely disposed ends, said first and second ends each being hemispherical.

5. The exhaust buffer cavity structure according to claim 4, wherein said buffer cavity further comprises a connecting portion, one end of said connecting portion is connected to said first end, and the other end is connected to said second end, said connecting portion is cylindrical.

6. The exhaust buffer cavity structure according to claim 5, wherein the first through hole is opened at the first end, the second through hole is opened at the second end, and the first through hole and the second through hole are both located on an axis of the connecting portion.

7. The exhaust buffer cavity structure of claim 4 wherein said conduit is disposed at said first end.

8. The vented buffer chamber structure of claim 1, wherein the duct is used to fill the acoustic barrier with oil or buffer.

9. The exhaust buffer chamber structure of claim 1 wherein the shape of said housing is adapted to the shape of said buffer chamber and any point on said housing is equally spaced from said buffer chamber.

10. A compressor comprising the discharge buffer chamber structure as recited in any one of claims 1 to 9.

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