CN115076114A

CN115076114A - Silencer, compressor and refrigerator

Info

Publication number: CN115076114A
Application number: CN202210800969.1A
Authority: CN
Inventors: 张登鹏; 张金圈; 杨建奎; 陈娟娟; 李金锋
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-09-20

Abstract

The invention provides a silencer, a compressor and a refrigerator, wherein the silencer comprises: a muffler includes a muffling main body and an intake pipe provided on the muffling main body, the muffling main body including: the gas inlet cavity is internally provided with a plurality of partition plates so as to divide the gas inlet cavity into a plurality of cavities which are sequentially communicated along the gas flowing direction; wherein, at least one cavity is communicated with the outside through an air inlet pipe, one part of the air inlet pipe is inserted in the corresponding cavity, and the other part of the air inlet pipe is positioned outside the silencing main body; be provided with the perforated plate including a plurality of through-holes in at least one cavity to separate corresponding cavity for a plurality of sub-cavities, be not suitable for the problem of setting in the refrigerator with the noise of solving the rotor compressor among the prior art greatly.

Description

Silencer, compressor and refrigerator

Technical Field

The invention relates to the technical field of compressor silencing, in particular to a silencer, a compressor and a refrigerator.

Background

The noise source of the fully-sealed rolling rotor compressor mainly comprises four aspects of electromagnetic noise, aerodynamic noise, mechanical noise and oil aerodynamic noise; the suction and exhaust noise (i.e., aerodynamic noise) is the core noise source of the compressor, while the prior art mainly relies on the silencer to reduce the suction and exhaust noise; for example, a single-cylinder small displacement compressor is generally provided with a layer of silencer at an upper flange, while a double-cylinder large displacement compressor is generally provided with a layer of silencer at a lower flange and two layers of silencers at an upper flange.

However, as the speed and size of the compressor are increased and reduced, the compressor vibrates violently and generates a large noise when the compressor is operated at full load for a long time. Therefore, the rotary compressor is generally used in air conditioning and commercial refrigeration, and the piston compressor is generally used in the refrigerator, and suction pulsation generated when the compressor sucks air is one of the main noise sources of the compressor. Nowadays, in order to meet higher use requirements of users, a rotor compressor needs to be applied to a household refrigerator, and after the compressor is high-speed and miniaturized, the external structure size of the compressor is reduced, the height space between a lower flange and the bottom of a compressor shell is limited, and an air suction silencer cannot be arranged, so that the noise generated by air suction pulsation is large, and the noise of the compressor is increased. Therefore, the structure of the existing rotary compressor must be changed to accommodate the noise requirement of the refrigerator.

Disclosure of Invention

The invention mainly aims to provide a silencer, a compressor and a refrigerator, and aims to solve the problem that a rotor compressor in the prior art is relatively loud and is not suitable for being arranged in the refrigerator.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a muffler including a muffler body and an intake pipe provided on the muffler body, the muffler body including: the gas inlet cavity is internally provided with a plurality of partition plates so as to divide the gas inlet cavity into a plurality of cavities which are sequentially communicated along the gas flowing direction; wherein, at least one cavity is communicated with the outside through an air inlet pipe, one part of the air inlet pipe is inserted in the corresponding cavity, and the other part of the air inlet pipe is positioned outside the silencing main body; a perforated plate comprising a plurality of through holes is arranged in at least one cavity to divide the corresponding cavity into a plurality of sub-cavities.

Furthermore, the plurality of cavities comprise a first cavity, a second cavity and a third cavity which are sequentially communicated along the gas flowing direction, the first cavity is used for gas inlet, and the third cavity is communicated with the gas outlet cavity; the first cavity and the third cavity are arranged at intervals along the transverse direction, one part of the second cavity is positioned above the first cavity and the third cavity and communicated with the first cavity, and the other part of the second cavity is positioned on one side of the third cavity, which is far away from the first cavity, and communicated with the third cavity.

Further, be provided with the perforated plate in the second cavity to separate the second cavity for the first subchamber and the second subchamber that are linked together, first subchamber is located the one side that is close to first cavity of perforated plate and communicates with first cavity, and the second subchamber is located the one side of keeping away from first cavity of perforated plate and communicates with the third cavity.

Further, the perforated plate is vertically arranged above the third cavity; the first sub-cavity comprises a first cavity part positioned above the first cavity and a second cavity part positioned above the third cavity; the second sub-cavity comprises a third cavity part positioned above the third cavity and a fourth cavity part positioned on one side of the third cavity far away from the first cavity.

Furthermore, the first cavity part is communicated with the first cavity through a vent hole in a partition plate arranged above the first cavity, and the second cavity part is communicated with the second sub-cavity through a through hole in a perforated plate; the third cavity part is communicated with the first sub-cavity through a through hole in the perforated plate, and the fourth cavity part is communicated with the third cavity through a first opening arranged on one side of the third cavity, which is far away from the first cavity.

Further, the volume of the first sub-cavity is larger than that of the first cavity, and the volume of the second sub-cavity is larger than that of the first sub-cavity.

Furthermore, a drainage channel is arranged in the third cavity, an inlet of the drainage channel is communicated with the second cavity, and an outlet of the drainage channel is communicated with the air outlet cavity.

Further, the drainage channel comprises a first channel part and a second channel part, the first channel part extends along the transverse direction, and the second channel part is positioned below the first channel part and extends along the vertical direction; the first end of the first channel part is connected with a first opening arranged on one side, far away from the first cavity, of the third cavity, the second end of the first channel part is connected with the first end of the second channel part, and the second end of the second channel part is connected with a second opening arranged on one side, close to the air outlet cavity, of the third cavity.

Further, the air inlet pipe is positioned below the first cavity; the silencer also comprises an air outlet pipe which is communicated with the air outlet cavity and is positioned on one side of the air outlet cavity, which is far away from the air inlet cavity.

Furthermore, the air inlet pipe is a straight pipe and extends towards the direction far away from the first cavity; and/or the outlet duct comprises a first duct body and a second duct body which are communicated with each other, the first duct body extends towards the direction away from the air outlet cavity, and the extending direction of the first duct body and the extending direction of the second duct body form a preset included angle.

According to a second aspect of the present invention, there is provided a compressor comprising a compressor housing and a suction muffler disposed within the compressor housing, the suction muffler being the above-described muffler; the compressor shell is also provided with a pump body assembly, and the pump body assembly comprises a motor, an upper flange, a cylinder and a lower flange, wherein the upper flange, the cylinder and the lower flange are sequentially sleeved on a rotating shaft of the motor along the vertical downward direction; the suction muffler is arranged on one side of the pump body assembly, a silencing main body of the suction muffler is connected with a keel frame of a stator of the motor, an air inlet of the suction muffler is connected with an air inlet pipeline on the compressor shell, and an air outlet of the suction muffler is connected with an air inlet channel of the air cylinder.

Furthermore, the silencing main body is connected with the keel frame through a connecting piece; the first end of the connecting piece is connected with the silencing main body in an inserting manner; and/or the second end of the connecting piece is connected with the keel frame in an inserting way.

Further, an air inlet of the suction muffler is connected with an air inlet pipeline on the compressor shell through a hose; and/or a part of an outlet pipe of the suction muffler is inserted in an inlet passage of the cylinder.

Further, be connected through a plurality of buffering supporting component between the bottom of pump body subassembly and compressor housing, each buffering supporting component includes: the first guide pillar is arranged at the bottom of the shell of the compressor; the second guide pillar is arranged below the pump body assembly; one end of the elastic buffer piece is sleeved on the first guide pillar, and the other end of the elastic buffer piece is sleeved on the second guide pillar.

According to a third aspect of the present invention, there is provided a refrigerator comprising the compressor described above.

By applying the technical scheme of the invention, the silencer comprises a silencing main body and an air inlet pipe arranged on the silencing main body, wherein the silencing main body comprises: the gas inlet cavity is internally provided with a plurality of partition plates so as to divide the gas inlet cavity into a plurality of cavities which are sequentially communicated along the gas flowing direction; wherein, at least one cavity is communicated with the outside through an air inlet pipe, one part of the air inlet pipe is inserted in the corresponding cavity, and the other part of the air inlet pipe is positioned outside the silencing main body; a perforated plate comprising a plurality of through holes is arranged in at least one cavity to divide the corresponding cavity into a plurality of sub-cavities. Thus, in the silencer of the invention, the air inlet pipe and the cavity inserted with the air inlet pipe form a first-stage silencing structure together for primarily reducing the noise of the air flow entering the silencer, and then the cavity provided with the perforated plate forms a second-stage silencing structure for secondarily reducing the noise of the air flow entering the silencer so as to reduce the noise of the air flow passing through the silencer of the invention.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows an exploded view of an embodiment of a muffler according to the present invention;

FIG. 2 shows a cross-sectional view of the muffler shown in FIG. 1;

FIG. 3 shows a cross-sectional view in one direction of a compressor having the muffler shown in FIG. 1;

FIG. 4 shows a cross-sectional view of the compressor with the muffler of FIG. 1 in another direction;

fig. 5 is a schematic view illustrating a coupling of a keel frame of a stator of a motor to a muffler in the compressor shown in fig. 3;

FIG. 6 shows a front view of the keel frame and silencer connection shown in FIG. 5;

fig. 7 shows a partial enlarged view of the compressor shown in fig. 3 at a.

Wherein the figures include the following reference numerals:

1. an air inlet cavity; 11. a first cavity; 12. a second cavity; 121. a first sub-cavity; 122. a second sub-cavity; 13. a third cavity;

2. an air outlet cavity; 3. a partition plate; 31. a vent hole; 32. a first transverse plate; 33. a first vertical plate; 34. a second vertical plate; 4. a perforated plate; 41. a through hole; 5. a drainage channel; 51. a first channel portion; 52. a second channel portion;

100. a suction muffler; 110. a silencing body; 111. a main housing; 112. a cover plate; 113. a first protrusion; 120. an air inlet pipe; 130. an air outlet pipe; 131. a first pipe body; 132. a second tube body;

200. a compressor housing; 210. an air intake line; 220. an air outlet pipeline; 300. a motor; 310. a rotating shaft; 320. a stator; 330. a keel frame; 400. an upper flange; 500. a cylinder; 510. an air intake passage; 600. a lower flange; 700. a connecting member; 710. a first slot; 720. a second protrusion; 800. a buffer support assembly; 810. a first guide post; 820. a second guide post; 830. an elastic buffer member; 831. a rubber pad; 832. a compression spring; 900. an exhaust muffler.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 5, the present invention provides a muffler including a muffler body 110 and an intake pipe 120 provided on the muffler body 110, the muffler body 110 including: the gas inlet cavity comprises a gas inlet cavity 1 and a gas outlet cavity 2 which is positioned below the gas inlet cavity 1 and communicated with the gas inlet cavity 1, wherein a plurality of partition plates 3 are arranged in the gas inlet cavity 1 so as to divide the gas inlet cavity 1 into a plurality of cavities which are sequentially communicated along the gas flowing direction; wherein, at least one cavity is communicated with the outside through the air inlet pipe 120, one part of the air inlet pipe 120 is inserted in the corresponding cavity, and the other part of the air inlet pipe 120 is positioned outside the silencing body 110; a perforated plate 4 including a plurality of through holes 41 is provided in at least one of the chambers to divide the corresponding chamber into a plurality of sub-chambers.

In the silencer of the present invention, the air inlet pipe 120 and the cavity into which the air inlet pipe 120 is inserted form a first-stage silencing structure together for primarily reducing the noise of the air flow entering the silencer, and then the cavity provided with the perforated plate 4 forms a second-stage silencing structure for secondarily reducing the noise of the air flow entering the silencer, so as to reduce the noise of the air flow passing through the silencer of the present invention.

As shown in fig. 1 and 2, the plurality of cavities include a first cavity 11, a second cavity 12 and a third cavity 13 which are sequentially communicated along the gas flowing direction, the first cavity 11 is used for gas inlet, and the third cavity 13 is communicated with the gas outlet cavity 2; the first cavity 11 and the third cavity 13 are arranged at a transverse interval, one part of the second cavity 12 is located above the first cavity 11 and the third cavity 13 and is communicated with the first cavity 11, and the other part of the second cavity 12 is located on one side of the third cavity 13 far away from the first cavity 11 and is communicated with the third cavity 13.

As shown in fig. 1 to 3 and fig. 4 and 5, a perforated plate 4 is disposed in the second cavity 12 to divide the second cavity 12 into a first sub-cavity 121 and a second sub-cavity 122 which are communicated with each other, the first sub-cavity 121 is located on one side of the perforated plate 4 close to the first cavity 11 and is communicated with the first cavity 11, and the second sub-cavity 122 is located on one side of the perforated plate 4 far from the first cavity 11 and is communicated with the third cavity 13.

As shown in fig. 1 and 2, the perforated plate 4 is vertically arranged above the third chamber 13; the first sub-chamber 121 comprises a first chamber portion located above the first chamber 11 and a second chamber portion located above the third chamber 13; the second sub-cavity 122 comprises a third cavity portion located above the third cavity 13 and a fourth cavity portion located on a side of the third cavity 13 far from the first cavity 11.

Specifically, the first cavity part is communicated with the first cavity 11 through the vent holes 31 arranged on the partition plate 3 above the first cavity 11, and the second cavity part is communicated with the second sub-cavity 122 through the through holes 41 on the perforated plate 4; the third cavity portion is communicated with the first sub-cavity 121 through the through hole 41 on the perforated plate 4, and the fourth cavity portion is communicated with the third cavity 13 through the first opening arranged on one side of the third cavity 13 far away from the first cavity 11.

Specifically, the volume of the first sub-chamber 121 is larger than the volume of the first chamber 11, and the volume of the second sub-chamber 122 is larger than the volume of the first sub-chamber 121.

As shown in fig. 1 and 2, a drainage channel 5 is arranged in the third cavity 13, an inlet of the drainage channel 5 is communicated with the second cavity 12, and an outlet of the drainage channel 5 is communicated with the air outlet cavity 2. Therefore, the flow guide channel 5 is arranged to guide the air flow in the silencer, so that the suction pressure pulsation of the compressor is reduced, the suction noise of the compressor is reduced, the gas is prevented from randomly passing through the silencer, and the gas can orderly enter the cylinder from the silencer.

Muffler as shown in fig. 1 and 2, the flow guiding passage 5 includes a first passage portion 51 and a second passage portion 52, the first passage portion 51 extends in the lateral direction, and the second passage portion 52 is located below the first passage portion 51 and extends in the vertical direction; wherein, the first end of the first channel part 51 is connected with the first opening arranged at one side of the third cavity 13 far away from the first cavity 11, the second end of the first channel part 51 is connected with the first end of the second channel part 52, and the second end of the second channel part 52 is connected with the second opening arranged at one side of the third cavity 13 close to the air outlet cavity 2.

Specifically, the central line of the second channel part 52 of the drainage channel 5 and the central line of the first tube 131 of the air outlet tube 130 both extend vertically and are arranged at intervals, namely, the projections of the second opening on one side of the third cavity 13 close to the air outlet cavity 2 and the air outlet of the air outlet cavity 2 on the same horizontal plane are staggered with each other, so as to form a third-stage silencing structure, and further reduce the noise of the air flow entering the silencer.

As shown in fig. 1 to 3 and 4, the air inlet pipe 120 is located below the first cavity 11; the silencer also comprises an air outlet pipe 130, and the air outlet pipe 130 is communicated with the air outlet cavity 2 and is positioned on one side of the air outlet cavity 2, which is far away from the air inlet cavity 1.

Specifically, the air inlet pipe 120 is a straight pipe and the air inlet pipe 120 extends towards a direction far away from the first cavity 11; and/or the outlet pipe 130 comprises a first pipe body 131 and a second pipe body 132 which are communicated with each other, the first pipe body 131 extends towards the direction far away from the air outlet cavity 2, and the extending direction of the first pipe body 131 and the extending direction of the second pipe body 132 form a preset included angle.

Wherein, the intake pipe 120 is along the straight tube of vertical extension, and the first body 131 of outlet duct 130 is also along the straight tube of vertical extension, and the second body 132 of outlet duct 130 is along the horizontal extension and the cross-sectional area of second body 132 along the direction of keeping away from first body 131 crescent to be used for being connected with the cylinder of compressor.

As shown in fig. 1 and 2, the silencing body 110 of the present invention includes a main housing 111 and a cover plate 112 disposed on one side of the main housing 111 close to the pump body assembly to jointly enclose an air inlet chamber 1 and an air outlet chamber 2, a first protrusion 113 is disposed on the outer side of the cover plate 112 to be connected to a connecting member 700 via the first protrusion 113, wherein the air inlet chamber 1 and the air outlet chamber 2 are separated by an intermediate plate, and a second opening is disposed on the intermediate plate; a plurality of partition plates 3 are arranged in the sound attenuation main body 110, and each partition plate 3 comprises a first transverse plate 32, and a first vertical plate 33 and a second vertical plate 34 which are arranged below the first transverse plate 32 at intervals; the first horizontal plate 32, the first vertical plate 33 and the main housing 111 together enclose a first cavity 11, and the vent hole 31 is arranged on the first horizontal plate 32; the first horizontal plate 32, the second vertical plate 34 and the main housing 111 together enclose a second cavity 12; the first horizontal plate 32, the first vertical plate 33, the second vertical plate 34 and the main housing 111 together enclose the third cavity 13, and the first opening is disposed on the second vertical plate 34.

Specifically, the third cavity 13 is located right above the air outlet cavity 2, the width of the third cavity 13 is equal to the width of the air outlet cavity 2, the second cavity portion of the first sub-cavity 121 and the third cavity portion of the second sub-cavity 122 are located right above the third cavity 13, and the total width of the second cavity portion of the first sub-cavity 121 and the third cavity portion of the second sub-cavity 122 is equal to the width of the third cavity 13; the fourth cavity parts of the first cavity 11 and the second sub-cavity 122 are respectively positioned at two opposite sides of the third cavity 13, so that the air inlet pipe 120 can be arranged below the first cavity 11; the first cavity portion of the first sub-cavity 121 is located right above the first cavity 11, and the width of the first cavity portion of the first sub-cavity 121 is equal to the width of the first cavity 11.

As shown in fig. 3 to 7, the present invention provides a compressor, which comprises a compressor housing 200 and a suction muffler 100 disposed in the compressor housing 200, wherein the suction muffler 100 is the above-mentioned muffler; the compressor shell 200 is further provided with a pump body assembly, wherein the pump body assembly comprises a motor 300, an upper flange 400, a cylinder 500 and a lower flange 600, wherein the upper flange 400, the cylinder 500 and the lower flange 600 are sequentially sleeved on a rotating shaft 310 of the motor 300 along the vertical downward direction; wherein, the suction muffler 100 is disposed at one side of the pump body assembly, the muffler body 110 of the suction muffler 100 is connected with the keel frame 330 of the stator 320 of the motor 300, the air inlet of the suction muffler 100 is connected with the air inlet pipeline 210 on the compressor housing 200, and the air outlet of the suction muffler 100 is connected with the air inlet channel 510 of the cylinder 500.

As shown in fig. 3 to 6, the silencing body 110 is connected to the keel frame 330 through a connector 700 between the connector 700 and the keel frame 330; wherein, the first end of the connecting member 700 is connected with the silencing main body 110 in an inserting manner; and/or the second end of the connector 700 is connected with the keel frame 330 in an inserting way. Thus, the silencing body 110 and the keel frame 330 are assembled without using parts except the connecting piece 700, and the assembly and disassembly are simple.

A first slot 710 is arranged on one side of the connecting piece 700 close to the silencing main body 110, and a first protrusion 113 for inserting fit and interference fit with the first slot 710 is arranged on the silencing main body 110, so that the connecting piece 700 is connected with the silencing main body 110 through the inserting fit and interference fit of the first slot 710 and the first protrusion 113; one side of the connecting piece 700 close to the keel frame 330 is provided with a second protrusion 720, and the keel frame 330 is provided with a second slot for inserting fit and interference fit with the second protrusion 720, so that the connecting piece 700 is connected with the keel frame 330 through the inserting fit and interference fit of the second protrusion 720 and the second slot.

Specifically, the air inlet of the suction muffler 100 is connected to the air inlet pipeline 210 of the compressor housing 200 through a hose, so as to better reduce the suction pressure pulsation of the compressor, reduce the suction noise and vibration of the compressor, and effectively improve the overall noise level and vibration level of the compressor.

Specifically, a portion of the outlet pipe 130 of the suction muffler 100 is inserted into the inlet passage 510 of the cylinder 500, so that the high-pressure gas discharged from the cylinder 500 is prevented from directly entering the compressor housing 200 to be heat-exchanged, and a good cooling capacity of the compressor is ensured. In addition, the outlet pipe 130 is directly welded to the inlet duct 510 to ensure the sealing and reliability of the joint.

As shown in fig. 3 and 7, the pump body assembly is connected to the bottom of the compressor housing 200 by a plurality of buffer support assemblies 800, each buffer support assembly 800 comprising: a first guide pillar 810 provided at the bottom of the compressor housing 200; a second guide post 820 disposed below the pump body assembly (specifically, below the upper flange 400); one end of the elastic buffer 830 is sleeved on the first guide pillar 810, and the other end of the elastic buffer 830 is sleeved on the second guide pillar 820.

Specifically, the elastomeric damper 830 includes a rubber pad 831 and a compression spring 832.

In this way, the present invention can buffer the motion of the pump body assembly in the direction close to or far from the bottom of the compressor housing 200 by providing the plurality of buffer support assemblies 800, so as to avoid the transmission of vibration between the pump body assembly and the compressor housing 200, and reduce the noise generated by the pump body assembly during vibration.

As shown in fig. 3, the pump body assembly further includes an exhaust silencer 900, the exhaust silencer 900 is disposed on one side of the upper flange 400 far away from the cylinder 500 and connected to an exhaust port of the cylinder 500, and the gas compressed by the cylinder 500 is discharged into the compressor housing 200 after the exhaust silencer 900 reduces exhaust noise, and reaches the gas outlet pipeline 220 on the compressor housing 200 after passing through the inner cavity of the compressor housing 200, so as to be discharged out of the compressor housing 200 through the gas outlet pipeline 220.

The invention also provides a refrigerator which comprises the compressor.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the muffler of the present invention includes a muffler body 110 and an intake pipe 120 provided on the muffler body 110, and the muffler body 110 includes: the gas inlet cavity comprises a gas inlet cavity 1 and a gas outlet cavity 2 which is positioned below the gas inlet cavity 1 and communicated with the gas inlet cavity 1, wherein a plurality of partition plates 3 are arranged in the gas inlet cavity 1 so as to divide the gas inlet cavity 1 into a plurality of cavities which are sequentially communicated along the gas flowing direction; wherein, at least one cavity is communicated with the outside through the air inlet pipe 120, one part of the air inlet pipe 120 is inserted in the corresponding cavity, and the other part of the air inlet pipe 120 is positioned outside the silencing body 110; a perforated plate 4 including a plurality of through holes 41 is provided in at least one of the chambers to divide the corresponding chamber into a plurality of sub-chambers. Thus, in the silencer of the present invention, the air inlet pipe 120 and the cavity into which the air inlet pipe 120 is inserted form a first-stage silencing structure together for primarily reducing the noise of the air flow entering the silencer, and then the cavity provided with the perforated plate 4 forms a second-stage silencing structure for secondarily reducing the noise of the air flow entering the silencer, so as to reduce the noise of the air flow passing through the silencer of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

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

1. A muffler characterized by comprising a sound-deadening body (110) and an intake pipe (120) provided on the sound-deadening body (110), the sound-deadening body (110) comprising:

the gas inlet device comprises a gas inlet cavity (1) and a gas outlet cavity (2) which is positioned below the gas inlet cavity (1) and communicated with the gas inlet cavity (1), wherein a plurality of partition plates (3) are arranged in the gas inlet cavity (1) so as to divide the gas inlet cavity (1) into a plurality of cavities which are sequentially communicated along the gas flowing direction;

at least one cavity is communicated with the outside through the air inlet pipe (120), one part of the air inlet pipe (120) is inserted into the corresponding cavity, and the other part of the air inlet pipe (120) is positioned outside the silencing main body (110); a perforated plate (4) comprising a plurality of through holes (41) is arranged in at least one of the cavities to divide the corresponding cavity into a plurality of sub-cavities.

2. The muffler of claim 1,

the multiple cavities comprise a first cavity (11), a second cavity (12) and a third cavity (13) which are sequentially communicated along the gas flowing direction, the first cavity (11) is communicated with the outside through the gas inlet pipe (120), and the third cavity (13) is communicated with the gas outlet cavity (2);

the first cavity (11) and the third cavity (13) are arranged at intervals in the transverse direction, one part of the second cavity (12) is located above the first cavity (11) and the third cavity (13) and communicated with the first cavity (11), and the other part of the second cavity (12) is located on one side, far away from the first cavity (11), of the third cavity (13) and communicated with the third cavity (13).

3. A silencer according to claim 2, characterized in that the perforated plate (4) is arranged in the second chamber (12) to separate the second chamber (12) into a first sub-chamber (121) and a second sub-chamber (122) which are in communication, the first sub-chamber (121) being located on the side of the perforated plate (4) close to the first chamber (11) and being in communication with the first chamber (11), the second sub-chamber (122) being located on the side of the perforated plate (4) remote from the first chamber (11) and being in communication with the third chamber (13).

4. The muffler of claim 3,

the perforated plate (4) is vertically arranged above the third cavity (13);

the first sub-cavity (121) comprises a first cavity portion located above the first cavity (11) and a second cavity portion located above the third cavity (13);

the second sub-cavity (122) comprises a third cavity part positioned above the third cavity (13) and a fourth cavity part positioned on one side of the third cavity (13) far away from the first cavity (11).

5. The muffler of claim 4,

the first cavity part is communicated with the first cavity (11) through a vent hole (31) arranged on a partition plate (3) above the first cavity (11), and the second cavity part is communicated with the second sub-cavity (122) through a through hole (41) on the perforated plate (4);

the third cavity part is communicated with the first sub-cavity (121) through a through hole (41) in the perforated plate (4), and the fourth cavity part is communicated with the third cavity (13) through a first opening arranged on one side of the third cavity (13) far away from the first cavity (11).

6. A silencer according to claim 3, characterized in that the volume of the first subcavity (121) is larger than the volume of the first cavity (11), and the volume of the second subcavity (122) is larger than the volume of the first subcavity (121).

7. A silencer according to claim 2, characterized in that a flow guiding channel (5) is arranged in the third chamber (13), the inlet of the flow guiding channel (5) is communicated with the second chamber (12), and the outlet of the flow guiding channel (5) is communicated with the outlet chamber (2).

8. The muffler of claim 7,

the drainage channel (5) comprises a first channel part (51) and a second channel part (52), the first channel part (51) extends along the transverse direction, and the second channel part (52) is positioned below the first channel part (51) and extends along the vertical direction;

the first end of the first channel part (51) is connected with a first opening arranged on one side, far away from the first cavity (11), of the third cavity (13), the second end of the first channel part (51) is connected with the first end of the second channel part (52), and the second end of the second channel part (52) is connected with a second opening arranged on one side, close to the air outlet cavity (2), of the third cavity (13).

9. A silencer according to claim 2, characterized in that the inlet pipe (120) is located below the first chamber (11); the silencer also comprises an air outlet pipe (130), wherein the air outlet pipe (130) is communicated with the air outlet cavity (2) and is positioned on one side of the air outlet cavity (2) far away from the air inlet cavity (1).

10. The muffler of claim 9,

the air inlet pipe (120) is a straight pipe, and the air inlet pipe (120) extends towards the direction far away from the first cavity (11); and/or

The outlet duct (130) is including first body (131) and second body (132) that communicate each other, first body (131) orientation is kept away from the direction of going out gas cavity (2) extends, the extending direction of first body (131) with the extending direction of second body (132) is predetermined contained angle setting.

11. A compressor, characterized in that it comprises a compressor casing (200) and a suction muffler (100) arranged inside the compressor casing (200), the suction muffler (100) being the muffler of any one of claims 1 to 10; the compressor shell (200) is further provided with a pump body assembly, and the pump body assembly comprises a motor (300), and an upper flange (400), a cylinder (500) and a lower flange (600) which are sequentially sleeved on a rotating shaft (310) of the motor (300) along a vertical downward direction; wherein, muffler of breathing in (100) sets up one side of pump body subassembly, the amortization main part (110) of muffler of breathing in (100) with keel frame (330) of stator (320) of motor (300) are connected, the air inlet of muffler of breathing in (100) with air inlet pipe on compressor housing (200) is connected, the air outlet of muffler of breathing in (100) with air inlet channel (510) of cylinder (500) are connected.

12. The compressor of claim 11, wherein the silencing body (110) is connected with the keel frame (330) through a connecting piece (700) by a connecting piece (700) between the silencing body and the keel frame (700); wherein,

the first end of the connecting piece (700) is connected with the silencing main body (110) in an inserting way; and/or

The second end of the connecting piece (700) is connected with the keel frame (330) in an inserting manner.

13. The compressor of claim 11,

the air inlet of the suction muffler (100) is connected with an air inlet pipeline on the compressor shell (200) through a hose; and/or

A portion of the outlet pipe (130) of the suction muffler (100) is inserted into the inlet passage (510) of the cylinder (500).

14. The compressor according to claim 11, wherein the pump body assembly is connected to the bottom of the compressor housing (200) by a plurality of cushion support assemblies (800), each cushion support assembly (800) comprising:

a first guide post (810) provided at the bottom of the compressor housing (200);

a second guide post (820) disposed below the pump body assembly;

one end of the elastic buffer piece (830) is sleeved on the first guide post (810), and the other end of the elastic buffer piece (830) is sleeved on the second guide post (820).

15. A refrigerator characterized in that it comprises a compressor according to any one of claims 11 to 14.