CN116292312A

CN116292312A - Muffler, compressor and air conditioner

Info

Publication number: CN116292312A
Application number: CN202310269008.7A
Authority: CN
Inventors: 刘卓昊; 马英超
Original assignee: Guangdong Midea Environmental Technologies Co Ltd
Current assignee: Guangdong Midea Environmental Technologies Co Ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-06-23

Abstract

Embodiments of the present invention provide a muffler, a compressor, and an air conditioner, the muffler including: a housing having an acoustic damping cavity; the air inlet and the air outlet are arranged on the shell and are respectively communicated with the silencing cavity; the baffle plate assembly is arranged in the silencing cavity and divides the silencing cavity into a plurality of mutually communicated silencing channels, at least one silencing channel is communicated with the air inlet, and at least one silencing channel is communicated with the air outlet. The baffle assembly is arranged to divide the silencing cavity into a plurality of silencing channels, so that air flow enters from the air inlet, the flow path of the air flow in the silencing cavity can be changed for a plurality of times on the premise of not increasing the flow resistance of the air flow, the flow time of the air flow in the silencing cavity is prolonged, and then sound waves are counteracted in the silencing channels through a plurality of times of reflection and interference, the silencing effect of the air flow flowing through the silencer is improved, and the transmission loss of medium and high frequency of the compressor with the silencer arranged between the air suction port and the static disc opening can be obviously improved.

Description

Muffler, compressor and air conditioner

Technical Field

The embodiment of the invention relates to the technical field of silencers, in particular to a silencer, a compressor and an air conditioner.

Background

The compressor is one of the key parts of the air conditioner, and noise generated during operation can influence the silence of the compressor and the whole air conditioner due to the characteristics of the working principle of the compressor. Specifically, the refrigerant enters the housing through the suction port outside the compressor, causing noise of the suction port to be transmitted into the suction cap.

At present, an air suction cover of a compressor in the related art is of a simple cavity structure, the distance between an inlet and an outlet is relatively close, and the noise reduction effect is relatively poor.

Disclosure of Invention

Embodiments of the present invention aim to solve at least one of the technical problems existing in the prior art.

To this end, a first aspect of an embodiment of the present invention provides a muffler.

A second aspect of an embodiment of the present invention provides a compressor.

A third aspect of an embodiment of the present invention provides an air conditioner.

In view of this, according to a first aspect of an embodiment of the present invention, there is provided a muffler including: a housing having an acoustic damping cavity; the air inlet and the air outlet are arranged on the shell and are respectively communicated with the silencing cavity; the baffle plate assembly is arranged in the silencing cavity and divides the silencing cavity into a plurality of silencing channels which are communicated with each other, at least one silencing channel is communicated with the air inlet, and at least one silencing channel is communicated with the air outlet.

The silencer provided by the embodiment of the invention comprises a shell, an air inlet, an air outlet and a baffle assembly, wherein the air inlet and the air outlet are both arranged on the shell, the shell is provided with a silencing cavity, and the air inlet and the air outlet are respectively communicated with the silencing cavity. It will be appreciated that the air flow enters the sound-damping chamber through the air inlet and exits through the air outlet.

The baffle assembly is arranged in the silencing cavity, the silencing cavity is divided into a plurality of silencing channels by the baffle assembly, and the silencing channels are communicated with one another. And at least one silencing channel is communicated with the air inlet, and at least one silencing channel is communicated with the air outlet. That is, the air flow enters through the air inlet, flows through the plurality of silencing channels and is discharged from the air outlet.

It can be understood that the baffle assembly separates the silencing cavity into a plurality of silencing channels, that is, the baffle assembly separates the silencing cavity with larger volume into a plurality of silencing channels with smaller volumes which are communicated with each other, after the air flow flows into the silencing channels with smaller volumes, the sound wave can be counteracted by multiple reflections and interference in the silencing channels with smaller volumes, and after the air flow is silenced by one silencing channel with smaller volume, the air flow can also flow through the rest silencing channels for silencing again, so that the aim of reducing noise is achieved.

That is, the baffle plate assembly is arranged to divide the silencing cavity into a plurality of silencing channels, so that after air flow enters from the air inlet, the flow path of the air flow in the silencing cavity can be changed for a plurality of times on the premise of not increasing the flow resistance of the air flow, the flow time of the air flow in the silencing cavity is prolonged, and then sound waves are counteracted in the silencing channels through a plurality of times of reflection and interference, the silencing effect of the air flow flowing through the silencer is improved, the transmission loss of medium-high frequency of the compressor with the silencer arranged between the air suction port and the static disc opening can be obviously improved, and the silencing quantity of the whole compressor is improved.

In practical application, the muffler is arranged between the air suction port of the compressor and the opening of the static disc, specifically, the air inlet is communicated with the air suction port, the opening is communicated with the air outlet, and in the air suction process of the compressor, air flows into the air inlet through the air suction port, flows out to the air outlet through a plurality of silencing channels, and enters the compression cavity through the opening of the static disc. Through setting up baffle subassembly in the anechoic chamber, can increase the reflection number of times of air current in a plurality of anechoic passageway, the flow time of extension air current in the anechoic chamber improves the noise reduction effect of compressor in-process of breathing in.

In addition, the first part of baffle subassembly is close to the air inlet setting, that is to say, the sound attenuation passageway is close to the air inlet setting to can begin to carry out the sound attenuation when the air current just gets into the air inlet, further prolong the flow time of air current in the sound attenuation intracavity, increase the reflection number of times of sound wave in a plurality of sound attenuation passageways, improve the noise elimination effect.

The second part of the baffle plate component is close to the air outlet, so that noise elimination can be performed again in the process that the air flow flows out through the air outlet, the flowing time of the air flow in the noise elimination cavity is further prolonged, the reflection times of the sound wave in the flowing process are increased, and the noise elimination quantity is further improved.

It is worth noting that at least one silencing channel is communicated with the air inlet, and at least one silencing channel is communicated with the air outlet. It is understood that each of the plurality of sound damping passages communicates with the air inlet and the air outlet. Or the plurality of silencing channels comprise a first silencing channel, a second silencing channel and a plurality of third silencing channels, wherein the first silencing channel is communicated with the air inlet, the second silencing channel is communicated with the air outlet, and the plurality of third silencing channels are mutually communicated and are respectively communicated with the first silencing channel and the second silencing channel. The setting can be specifically performed according to actual needs.

In addition, the muffler provided by the technical scheme of the invention has the following additional technical characteristics:

in one possible solution, the baffle assembly includes a first baffle disposed adjacent to the air inlet, the first baffle being inserted into the sound-damping chamber along an air flow in an air intake direction of the air inlet.

In this technical scheme, it includes first baffle to have limited the baffle subassembly, and specifically, first baffle sets up near the air inlet, that is to say, just is beginning to separate the noise elimination passageway near the air inlet department, and the noise elimination passageway is close to the air inlet setting promptly to can begin to carry out the noise elimination when the air current just gets into the air inlet, further extension air current flow time in the noise elimination intracavity increases the reflection number of times of sound wave in a plurality of noise elimination passageway, improves the noise elimination effect.

Along the air inlet direction of air current at the air inlet, first baffle inserts the sound attenuation intracavity, that is to say, the first end of first baffle is close to the air inlet setting, the second end of first baffle extends to the sound attenuation intracavity along the axial direction of air inlet, thereby can change the flow path of air current in the sound attenuation intracavity many times under the prerequisite of not increasing the air current flow resistance, the flow time of extension air current in the sound attenuation intracavity, and then make the sound wave offset through multiple reflection and interference in a plurality of noise elimination passageway, and then improve the noise elimination effect of the air current that flows through this silencer, and can obviously improve the transmission loss of the medium-high frequency of the compressor that sets up this silencer between induction port and quiet dish opening, promote the sound attenuation volume of compressor complete machine.

It can be understood that the inner side wall of the housing opposite to the air inlet and the second end of the first baffle have a preset interval therebetween, that is, the insertion depth of the first baffle cannot be too deep along the insertion direction of the first baffle, so that the noise reduction effect of the air flow flowing through the muffler can be improved without increasing the flow resistance of the air flow.

Or, the first baffle contacts with the inner side wall of the shell opposite to the air inlet, the first baffle is provided with a communication hole, and the communication hole is communicated with the air inlet and the plurality of silencing channels, so that the noise reduction effect of the air flow flowing through the silencer can be improved, and meanwhile, the flow resistance of the air flow is not increased.

In one possible technical scheme, the first end of the first baffle is arranged at the air inlet and divides the air inlet into at least two sub-air inlets, the at least two sub-air inlets are respectively communicated with the plurality of silencing channels, and the second end of the first baffle is inserted into the silencing cavity.

In the technical scheme, the first end of the first baffle is positioned at the air inlet, the first baffle divides the air inlet into at least two sub-air inlets, the at least two sub-air inlets are respectively communicated with the plurality of silencing channels, the second end of the first baffle is inserted into the silencing cavity, that is, at least one silencing channel extends to the air inlet, the length of the silencing channel is increased while the airflow flowing path is prolonged, so that the flowing time of airflow in the silencing channels is prolonged, the reflecting times of sound waves in the silencing pipelines are increased, and the silencing effect is improved.

Along the air inlet direction of air flow at the air inlet, the first baffle inserts the sound attenuation chamber, that is to say, the first end of first baffle is located air inlet department, the second end of first baffle extends to the sound attenuation intracavity along the axial direction of air inlet, thereby can change the flow path of air current in the sound attenuation intracavity many times under the prerequisite of not increasing the air current flow resistance, the flow time of extension air current in the sound attenuation chamber, and then make the sound wave offset through multiple reflection and interference in a plurality of noise elimination passageway, and then improve the noise elimination effect of the air current that flows through this silencer, and can obviously improve the transmission loss of the medium-high frequency of the compressor that sets up this silencer between induction port and quiet dish opening, promote the sound attenuation volume of compressor complete machine.

In one possible technical scheme, the shell comprises a first plate body and a second plate body which are oppositely arranged, the air inlet is formed in the first plate body, and the air outlet is formed in the second plate body; along the direction from the first plate body to the second plate body, the distance H between the inner side wall of the first plate body and the inner side wall of the second plate body and the height H of the first baffle plate meet H & gtH/2.

In this technical scheme, the casing includes first plate body and second plate body, and wherein, first plate body sets up with the second plate is relative, and the air inlet sets up on first plate body, and the gas outlet sets up on the second plate body. Because the first end of the first baffle is positioned at the air inlet, that is to say, at least one silencing channel extends to the air inlet, the air inlet and the air outlet are respectively arranged on the two opposite plate bodies of the shell, the flow path of the air flow in the silencer is further prolonged, the flow time of the air flow in the silencer is prolonged, and then the silencing effect is improved.

The height of the first baffle is greater than 1/2 of the distance between the inner side wall of the first plate body and the inner side wall of the second plate body. I.e. defines the depth of insertion of the first baffle into the sound-damping chamber at the air inlet. Therefore, the silencing effect of the silencer can be improved on the premise of not increasing the airflow resistance.

In addition, the height of the first baffle is larger than 1/2 of the distance between the inner side wall of the first plate body and the inner side wall of the second plate body, that is, the distance between the second end of the first baffle and the inner side wall of the second plate body is smaller, so that when the airflow flows through the first baffle, the section mutation can be generated, the flow path of the airflow is changed, the sound waves can be reflected and interfered in a plurality of silencing channels to be counteracted, and the noise reduction effect of the silencer is improved.

In one possible technical scheme, the shell further comprises a third plate body and a fourth plate body which are oppositely arranged, wherein the third plate body is connected with the first plate body and the second plate body, and the fourth plate body is connected with the first plate body and the second plate body; the first baffle is connected with the third plate body and/or the fourth plate body.

In this technical scheme, the casing still includes third plate body and fourth plate body, and specifically, third plate body and fourth plate body are relative to setting up, and third plate body and first plate body and second plate body connection, fourth plate body and first plate body and second plate body connection. Thereby enclose and close through first plate body, second plate body, third plate body and fourth plate body and form the sound attenuation chamber.

The first baffle is connected with the third plate body, so that the structural stability of the first baffle can be improved, the rigidity of the first baffle is increased, and the problem that secondary noise is caused due to vibration of the first baffle caused by impact of air flow when the air flow flows in the silencing cavity is prevented. Further improves the silencing effect of the silencer and further improves the suction noise of the compressor with the silencer.

The first baffle is connected with the fourth plate body, so that the structural stability of the first baffle can be further improved, the rigidity of the first baffle is further increased, and the problem that secondary noise is caused due to vibration of the first baffle caused by impact of air flow when the air flow flows in the silencing cavity is prevented. Further improves the silencing effect of the silencer and further improves the suction noise of the compressor with the silencer.

In one possible technical solution, the air outlet and the air inlet are staggered along the direction from the first plate body to the second plate body.

In this technical scheme, along the direction of first plate body to second plate body, the gas outlet staggers the setting with the air inlet, because the one end of first baffle is located air inlet department, that is to say, the noise elimination passageway extends to air inlet department, through staggering setting air inlet and gas outlet, when being favorable to prolonging air current flow path, increase noise elimination passageway's length to increase the flow time of air current in a plurality of noise elimination passageway, and then increase the reflection number of times of sound wave in the amortization pipeline, improve noise elimination effect.

It can be understood that the baffle assembly also comprises a second baffle, the second baffle comprises a first baffle part, the first baffle part is close to the air outlet, and the air outlet and the air inlet are staggered, so that the length of the silencing channel can be further increased, the reflection times of sound waves in the silencing pipeline can be further increased, and the silencing effect can be further improved.

In one possible technical scheme, the baffle assembly further comprises a second baffle, the second baffle comprises a first baffle part, the first baffle part is arranged close to the air outlet, and the first baffle part is inserted into the sound-eliminating cavity along the air outlet direction of the air flow at the air outlet.

In this technical scheme, it still includes the second baffle to have limited the baffle subassembly, specifically, the second baffle includes first fender portion, first fender portion is close to the gas outlet setting, and along the direction of giving vent to anger of air current at the gas outlet, first fender portion inserts the sound attenuation intracavity, that is to say, along the direction of first plate body to second plate body, first end of first fender portion is close to the gas outlet setting, the second end of first fender portion inserts the sound attenuation intracavity, at least one sound attenuation passageway extends to the position that is close to the gas outlet promptly, be favorable to lengthening the air current flow path, increase the length of sound attenuation passageway, thereby increase the flow time of air current in a plurality of sound attenuation passageways, and then increase the reflection number of sound wave in the amortization pipeline, improve the noise elimination effect.

Moreover, the first blocking part is close to the air outlet, so that the flow path of the air flow in the silencing cavity can be changed for many times without increasing the flow resistance of the air flow, the flow time of the air flow in the silencing cavity is prolonged, and then sound waves are counteracted in a plurality of silencing channels through many times of reflection and interference, so that the silencing effect of the air flow flowing through the silencer is improved, the transmission loss of medium and high frequency of the compressor with the silencer arranged between the air suction port and the silencing disc opening can be obviously improved, and the silencing quantity of the whole compressor is improved.

In one possible technical scheme, the first end of the first blocking part is located at the air outlet and divides the air outlet into at least two sub-air outlets, the at least two sub-air outlets are communicated with the plurality of silencing channels, and the second end of the first blocking part is inserted into the silencing cavity.

In the technical scheme, the first end of the first blocking part is positioned at the air outlet, the air outlet is divided into at least two sub-air outlets by the first blocking part, the at least two sub-air outlets are respectively communicated with the plurality of silencing channels, the second end of the first blocking part is inserted into the silencing cavity, that is, at least one silencing channel extends to the air outlet, the length of the silencing channel is further increased while the airflow flowing path is prolonged, so that the flowing time of the airflow in the silencing channels is prolonged, the reflection times of sound waves in the silencing pipelines are further increased, and the silencing effect is improved.

In one possible technical scheme, the second baffle further comprises a second blocking portion, the second blocking portion is connected with the first blocking portion and forms a preset angle with the first blocking portion, and one end, away from the first blocking portion, of the second blocking portion extends to one side where the air inlet is located.

In this technical solution, the second baffle is defined to further include a second blocking portion, specifically, the second blocking portion is connected with the first blocking portion, and a preset angle is formed between the second blocking portion and the first blocking portion, for example, the preset angle may be 90 °. That is, the second baffle is a corner plate.

One end of the second blocking part far away from the first blocking part extends towards the direction close to the air inlet, that is to say, one end of the second blocking part far away from the first blocking part extends towards the side where the first baffle plate is located. Therefore, the silencing cavity is divided into a plurality of silencing channels, namely, the silencing cavity with larger volume is divided into a plurality of silencing channels with smaller volume by the first baffle and the second baffle, after the air flow flows into the silencing channels with smaller volume, sound waves can be counteracted through repeated reflection and interference in the silencing channels with smaller volume, and after the air flow is silenced by one silencing channel with smaller volume, the air flow can also flow through the rest silencing channels for silencing again, so that the purpose of reducing noise is achieved.

In practical application, the extension length of the second baffle part can be adjusted according to the required noise elimination frequency of the compressor.

In one possible solution, the housing is a plastic housing; and/or the baffle assembly is a plastic baffle.

In the technical scheme, the shell is a plastic shell, so that the shell is convenient to process, and the production cost of the muffler can be further reduced.

The baffle assembly is a plastic baffle, so that the baffle assembly is convenient to process, and the production cost of the muffler can be further reduced.

In addition, the shell and the baffle assembly can be of an integrated structure, and it can be understood that the integrated structure has good mechanical properties, so that the connection stability between the baffle assembly and the shell can be further improved, and the problem that secondary noise is caused due to vibration of the baffle assembly caused by impact of air flow when the air flow flows in the silencing cavity is prevented. Moreover, the integrated structure can be convenient for the processing production of the muffler, and the production cost of the muffler is reduced.

According to a second aspect of the present invention, there is provided a compressor comprising a muffler according to any of the above-mentioned aspects, so that all the advantageous technical effects of the muffler are provided, and will not be described in detail herein.

Further, the compressor still includes shell, compression subassembly and driving piece, and wherein, the shell is equipped with the induction port, and the induction port communicates with the air inlet, and compression subassembly locates in the shell, and compression subassembly includes quiet dish and movable disk, and quiet dish encloses with movable disk to close and forms the compression chamber, and quiet dish is equipped with the opening, and the opening communicates with compression chamber and gas outlet, and driving piece links to each other with movable disk.

The compressor provided by the embodiment of the invention comprises a muffler, a shell, a compression assembly and a driving piece, wherein the compression assembly comprises a static disc and a movable disc, a compression cavity is formed by enclosing the static disc and the movable disc, an opening communicated with the compression cavity is formed in the static disc, and the opening is communicated with an air outlet of the muffler. The shell is provided with an air suction port which is communicated with an air inlet of the muffler. When the compressor sucks air, air flow enters the air inlet through the air suction port, and after being silenced through the plurality of silencing channels, the air outlet is discharged to the opening and enters the compression cavity through the opening. The driving piece drives the movable disc to rotate relative to the static disc so as to compress the gas in the compression cavity, and the compressed high-temperature high-pressure gas is discharged through the air outlet of the static disc.

It will be appreciated that the driving member comprises a motor and a crankshaft, the motor being connected to the crankshaft, the crankshaft being connected to the movable disc.

The baffle assembly divides the silencing cavity into a plurality of silencing channels, that is, the baffle assembly divides the silencing cavity with larger volume into a plurality of silencing channels with smaller volume which are communicated with each other, after the air flow flows into the silencing channels with smaller volume, sound waves can be counteracted through repeated reflection and interference in the silencing channels with smaller volume, and after the air flow is silenced through one silencing channel with smaller volume, the air flow can also flow through the rest silencing channels for silencing again, so that the purpose of reducing noise is achieved.

In addition, the compressor provided by the technical scheme of the invention has the following additional technical characteristics:

In one possible embodiment, the through-flow cross-sectional area of the intake opening is equal to the through-flow cross-sectional area of the intake opening.

In the technical scheme, the through-flow sectional area of the air suction port is equal to the through-flow sectional areas of the air inlet and the air inlet, so that the air suction efficiency of the compressor is ensured. It can be understood that if the through-flow cross-sectional area of the air inlet is larger than the through-flow cross-sectional area of the air suction port, the air in the shell is easy to flow in from the air inlet in the air suction process of the compressor, and the operation of the compressor is affected.

If the through-flow cross-section of the air inlet is smaller than that of the air suction port, the flow resistance of the air can be increased, and the air suction efficiency of the compressor is reduced.

In one possible technical scheme, the shell is provided with an avoidance port, the avoidance port is communicated with the air outlet, and a part of the static disc is positioned in the avoidance port and is propped against the shell.

In the technical scheme, the shell is provided with an avoidance port, the avoidance port is communicated with the air outlet, and particularly, a part of the static disc is positioned in the avoidance port and is abutted with the shell. Through setting up dodging the mouth, can avoid the in-process with silencer and compressor installation, the interference appears with the structure of quiet dish, and a portion and the casing of quiet dish offset in addition, can also improve the structural stability of silencer.

In practical application, the casing still is equipped with the installation department, and the installation department is equipped with the mounting hole, and the casing is installed fixedly through mounting hole and quiet dish.

According to a third aspect of the present invention, there is provided an air conditioner, including the compressor provided in any of the above-mentioned technical solutions, so that all the beneficial technical effects of the compressor are provided, and will not be described herein.

Additional aspects and advantages of the 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.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 shows one of the structural schematic diagrams of a muffler according to one embodiment of the present invention;

FIG. 2 shows a second schematic structural view of a muffler according to one embodiment of the present invention;

FIG. 3 shows a third schematic structural view of a muffler according to an embodiment of the present invention;

FIG. 4 shows a fourth schematic structural view of a muffler according to one embodiment of the present invention;

fig. 5 illustrates a structural schematic view of a compressor according to an embodiment of the present invention;

Fig. 6 shows an enlarged view of the compressor of the embodiment of fig. 5 at a.

The correspondence between the reference numerals and the component names in fig. 1 to 6 is:

100 muffler, 110 shell, 111 sound-absorbing chamber, 112 first plate, 113 second plate, 114 third plate, 120 air inlet, 121 sub-air inlet, 130 air outlet, 131 sub-air outlet, 140 baffle assembly, 141 first baffle, 142 second baffle, 1421 first baffle, 1422 second baffle, 150 dodge port, 200 compressor, 210 shell, 211 air inlet, 220 compression assembly, 221 static disc, 222 moving disc, 223 compression chamber, 224 opening, 230 driving piece.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

A muffler 100, a compressor 200, and an air conditioner provided according to some embodiments of the present invention are described below with reference to fig. 1 to 6.

In one embodiment according to the present application, as shown in fig. 1, 2, 3 and 4, there is provided a muffler 100, the muffler 100 including: a housing 110, the housing 110 having an acoustic damping cavity 111; an air inlet 120 and an air outlet 130, which are arranged on the shell 110 and are respectively communicated with the silencing cavity 111; the baffle assembly 140 is disposed in the sound-damping cavity 111 and divides the sound-damping cavity 111 into a plurality of sound-damping channels that are mutually communicated, at least one sound-damping channel is communicated with the air inlet 120, and at least one sound-damping channel is communicated with the air outlet 130.

The muffler 100 provided by the embodiment of the invention includes a housing 110, an air inlet 120, an air outlet 130 and a baffle assembly 140, specifically, the air inlet 120 and the air outlet 130 are both disposed on the housing 110, the housing 110 is provided with a sound-deadening chamber 111, and the air inlet 120 and the air outlet 130 are respectively communicated with the sound-deadening chamber 111. It will be appreciated that air flows into the sound-damping chamber 111 through the air inlet 120 and exits through the air outlet 130.

The baffle assembly 140 is disposed in the sound-deadening chamber 111, and the baffle assembly 140 partitions the sound-deadening chamber 111 into a plurality of sound-deadening passages, which are communicated with each other. And at least one sound damping channel communicates with the air inlet 120 and at least one sound damping channel communicates with the air outlet 130. That is, the air flow enters through the air inlet 120, flows through the plurality of silencing channels, and is discharged from the air outlet 130.

It can be understood that the baffle assembly 140 divides the sound-damping cavity 111 into a plurality of sound-damping channels, that is, the baffle assembly 140 divides the sound-damping cavity 111 with a larger volume into a plurality of sound-damping channels with smaller volumes, after the air flow flows into the sound-damping channels with smaller volumes, the sound waves can be counteracted through multiple reflections and interference in the sound-damping channels with smaller volumes, and after the air flow is damped by one sound-damping channel with smaller volumes, the air flow can also flow through the rest of sound-damping channels for re-damping, so that the purpose of reducing noise is achieved.

That is, the baffle assembly 140 is provided to divide the sound-deadening chamber 111 into a plurality of sound-deadening channels, so that after the air enters from the air inlet 120, the flow path of the air in the sound-deadening chamber 111 can be changed for a plurality of times without increasing the flow resistance of the air, the flow time of the air in the sound-deadening chamber 111 is prolonged, and then the sound waves are offset in the plurality of sound-deadening channels through a plurality of reflections and interference, so that the sound-deadening effect of the air flowing through the sound-deadening device 100 is improved, the transmission loss of the middle and high frequencies of the compressor 200, in which the sound-deadening device 100 is arranged between the air suction port 211 and the opening 224 of the static disc 221, can be obviously improved, and the sound-deadening quantity of the whole compressor 200 is improved.

In practical use, the muffler 100 is disposed between the air suction port 211 of the compressor 200 and the opening 224 of the stationary plate 221, specifically, the air inlet 120 communicates with the air suction port 211, the opening 224 communicates with the air outlet 130, and during the air suction process of the compressor 200, air flows into the air inlet 120 through the air suction port 211, flows out to the air outlet 130 through a plurality of muffler channels, and enters the compression chamber 223 through the opening 224 of the stationary plate 221. By arranging the baffle plate assembly 140 in the sound-deadening chamber 111, the reflection times of the air flow in a plurality of sound-deadening channels can be increased, the flowing time of the air flow in the sound-deadening chamber 111 can be prolonged, and the noise reduction effect in the air suction process of the compressor 200 can be improved.

In addition, the first portion of the baffle assembly 140 is disposed near the air inlet 120, that is, the sound-damping channel is disposed near the air inlet 120, so that sound damping can be started when the air flow just enters the air inlet 120, the flowing time of the air flow in the sound-damping cavity 111 is further prolonged, the reflection times of sound waves in a plurality of sound-damping channels are increased, and the sound-damping effect is improved.

The second portion of the baffle assembly 140 is disposed near the air outlet 130, so that noise can be reduced again in the process of flowing out of the air outlet 130, the flowing time of the air flow in the noise reducing cavity 111 can be further prolonged, the reflection times of the sound wave in the flowing process can be increased, and the noise reducing amount can be further improved.

It should be noted that at least one sound damping channel communicates with the air inlet 120 and at least one sound damping channel communicates with the air outlet 130. It is understood that each of the plurality of sound damping passages communicates with the air inlet 120 and the air outlet 130. Alternatively, the plurality of muffling passages includes a first muffling passage, a second muffling passage, and a plurality of third muffling passages, wherein the first muffling passage communicates with the air inlet 120, the second muffling passage communicates with the air outlet 130, and the plurality of third muffling passages communicate with each other and with the first muffling passage and the second muffling passage, respectively. The setting can be specifically performed according to actual needs.

As shown in fig. 1 and 2, further, the baffle assembly 140 includes a first baffle 141, the first baffle 141 being disposed near the air inlet 120, and the first baffle 141 being inserted into the sound-deadening chamber 111 along the air flow in the air intake direction of the air inlet 120.

In this embodiment, the baffle assembly 140 is defined to include the first baffle 141, specifically, the first baffle 141 is disposed near the air inlet 120, that is, the sound-deadening passages are separated from each other near the air inlet 120, that is, the sound-deadening passages are disposed near the air inlet 120, so that sound-deadening can be started when the air flow just enters the air inlet 120, the flowing time of the air flow in the sound-deadening chamber 111 is further prolonged, the reflection times of the sound wave in the sound-deadening passages are increased, and the sound-deadening effect is improved.

Along the air inlet direction of the air flow in the air inlet 120, the first baffle 141 is inserted into the silencing cavity 111, that is, the first end of the first baffle 141 is close to the air inlet 120, and the second end of the first baffle 141 extends into the silencing cavity 111 along the axial direction of the air inlet 120, so that the flow path of the air flow in the silencing cavity 111 can be changed for multiple times without increasing the flow resistance of the air flow, the flow time of the air flow in the silencing cavity 111 is prolonged, sound waves are offset in multiple silencing channels through multiple reflection and interference, the silencing effect of the air flow flowing through the silencer 100 is improved, the transmission loss of medium and high frequencies of the compressor 200, in which the silencer 100 is arranged between the air suction port 211 and the opening 224 of the static disc 221, is obviously improved, and the silencing amount of the whole compressor 200 is improved.

It can be understood that the inner sidewall of the housing 110 opposite to the air inlet 120 and the second end of the first barrier 141 have a preset interval therebetween, that is, the insertion depth of the first barrier 141 in the insertion direction of the first barrier 141 cannot be too deep, so that it is possible to improve the noise reduction effect of the air flow flowing through the muffler 100 without increasing the flow resistance of the air flow.

Alternatively, the first baffle 141 and the inner sidewall of the housing 110 opposite to the air inlet 120 are in contact, and the first baffle 141 is provided with a communication hole, which communicates with the air inlet 120 and the plurality of sound-deadening passages, so that it is possible to improve the sound-deadening effect of the air flow flowing through the muffler 100 without increasing the flow resistance of the air flow.

As shown in fig. 1 and 2, further, on the basis of the above embodiment, the first end of the first baffle 141 is disposed at the air inlet 120 and divides the air inlet 120 into at least two sub-air inlets 121, the at least two sub-air inlets 121 are respectively communicated with the plurality of sound-deadening passages, and the second end of the first baffle 141 is inserted into the sound-deadening chamber 111.

In this embodiment, the first end of the first baffle 141 is located at the air inlet 120, and the first baffle 141 divides the air inlet 120 into at least two sub-air inlets 121, and the at least two sub-air inlets 121 are respectively communicated with a plurality of silencing channels, and the second end of the first baffle 141 is inserted into the silencing cavity 111, that is, at least one silencing channel extends to the air inlet 120, which is beneficial to prolonging the flow path of the air flow, increasing the length of the silencing channel, thereby increasing the flow time of the air flow in the silencing channels, further increasing the reflection times of the sound wave in the silencing pipeline, and improving the silencing effect.

Along the air inlet direction of the air flow in the air inlet 120, the first baffle 141 is inserted into the silencing cavity 111, that is, the first end of the first baffle 141 is located at the air inlet 120, and the second end of the first baffle 141 extends into the silencing cavity 111 along the axial direction of the air inlet 120, so that the flow path of the air flow in the silencing cavity 111 can be changed for multiple times without increasing the flow resistance of the air flow, the flow time of the air flow in the silencing cavity 111 is prolonged, sound waves are offset in multiple silencing channels through multiple reflection and interference, the silencing effect of the air flow flowing through the silencer 100 is improved, the transmission loss of medium and high frequencies of the compressor 200, in which the silencer 100 is arranged between the air suction port 211 and the opening 224 of the static disc 221, is obviously improved, and the silencing amount of the whole compressor 200 is improved.

As shown in fig. 1, further, based on the above embodiment, the housing 110 includes a first plate 112 and a second plate 113 that are disposed opposite to each other, the air inlet 120 is disposed on the first plate 112, and the air outlet 130 is disposed on the second plate 113; in the direction from the first plate 112 to the second plate 113, a distance H between an inner sidewall of the first plate 112 and an inner sidewall of the second plate 113 and a height H of the first barrier 141 satisfy H > H/2.

In this embodiment, the housing 110 includes a first plate 112 and a second plate 113, wherein the first plate 112 is disposed opposite to the second plate 113, the air inlet 120 is disposed on the first plate 112, and the air outlet 130 is disposed on the second plate 113. Since the first end of the first baffle 141 is located at the air inlet 120, that is, at least one silencing channel extends to the air inlet 120, the air inlet 120 and the air outlet 130 are respectively disposed on two opposite plates of the housing 110, which is beneficial to further prolonging the flow path of the air flow in the silencer 100, increasing the flow time of the air flow in the silencer 100, and further improving the silencing effect.

The height of the first barrier 141 is greater than 1/2 of the distance between the inner sidewall of the first plate 112 and the inner sidewall of the second plate 113. I.e. defines the depth of insertion of the first baffle 141 into the inlet 120 into the sound damping chamber 111. Thus, the sound damping effect of the muffler 100 can be improved without increasing the airflow resistance.

Moreover, the height of the first baffle 141 is greater than 1/2 of the distance between the inner sidewall of the first plate 112 and the inner sidewall of the second plate 113, that is, the distance between the second end of the first baffle 141 and the inner sidewall of the second plate 113 is smaller, so that when the air flow passes through the space, a sudden change of the cross section can be generated, and the flow path of the air flow is changed, so that the sound wave can be reflected and interfered in a plurality of silencing channels to cancel, and the noise reduction effect of the silencer 100 is improved.

As shown in fig. 1, further, based on the above embodiment, the housing 110 further includes a third plate 114 and a fourth plate that are disposed opposite to each other, the third plate 114 is connected to the first plate 112 and the second plate 113, and the fourth plate is connected to the first plate 112 and the second plate 113; the first barrier 141 is connected to the third plate 114 and/or the fourth plate.

In this embodiment, the housing 110 further includes a third plate 114 and a fourth plate, specifically, the third plate 114 and the fourth plate are disposed opposite to each other, and the third plate 114 is connected to the first plate 112 and the second plate 113, and the fourth plate is connected to the first plate 112 and the second plate 113. Thereby forming the sound-deadening chamber 111 by the first plate 112, the second plate 113, the third plate 114, and the fourth plate enclosing.

The first baffle 141 is connected with the third plate 114, so that the structural stability of the first baffle 141 can be improved, the rigidity of the first baffle 141 is increased, and the problem of secondary noise caused by vibration of the first baffle 141 due to impact of air flow when the air flow flows in the silencing cavity 111 is prevented. Further, the sound deadening effect of the muffler 100 is improved, and the suction noise of the compressor 200 having the muffler 100 is further improved.

The first baffle 141 is connected with the fourth plate body, so that the structural stability of the first baffle 141 can be further improved, the rigidity of the first baffle 141 is further increased, and the problem that secondary noise is caused due to vibration of the first baffle 141 caused by impact of air flow when the air flow flows in the silencing cavity 111 is prevented. Further, the sound deadening effect of the muffler 100 is improved, and the suction noise of the compressor 200 having the muffler 100 is further improved.

As shown in fig. 1 and 2, further, the air outlet 130 is offset from the air inlet 120 in the direction from the first plate 112 to the second plate 113.

In this embodiment, along the direction from the first plate 112 to the second plate 113, the air outlet 130 is staggered with the air inlet 120, and since one end of the first baffle 141 is located at the air inlet 120, that is, the silencing channel extends to the air inlet 120, by staggering the air inlet 120 and the air outlet 130, the length of the silencing channel is increased while the flow path of the air flow is prolonged, so that the flow time of the air flow in a plurality of silencing channels is increased, the reflection times of the sound wave in the silencing pipeline is increased, and the silencing effect is improved.

It can be appreciated that the baffle assembly 140 further includes a second baffle 142, where the second baffle 142 includes a first baffle portion 1421, and the first baffle portion 1421 is disposed near the air outlet 130, and because the air outlet 130 is staggered with the air inlet 120, the length of the silencing channel can be further increased, and further the number of reflections of the sound wave in the silencing pipeline can be increased, so as to further improve the silencing effect.

As shown in fig. 1 and 6, further, the baffle assembly 140 further includes a second baffle 142, where the second baffle 142 includes a first baffle portion 1421, and the first baffle portion 1421 is disposed near the air outlet 130, and the first baffle portion 1421 is inserted into the sound-damping chamber 111 along the air outlet direction of the air flow at the air outlet 130.

In this embodiment, the baffle assembly 140 is further defined to include a second baffle 142, specifically, the second baffle 142 includes a first baffle portion 1421, where the first baffle portion 1421 is disposed near the air outlet 130, and the first baffle portion 1421 is inserted into the sound-damping cavity 111 along the air outlet direction of the air flow at the air outlet 130, that is, along the direction from the first plate 112 to the second plate 113, the first end of the first baffle portion 1421 is disposed near the air outlet 130, and the second end of the first baffle portion 1421 is inserted into the sound-damping cavity 111, that is, at least one sound-damping channel extends to a position near the air outlet 130, so as to facilitate prolonging the air flow path, and at the same time, increasing the length of the sound-damping channel, thereby increasing the flow time of the air flow in the plurality of sound-damping channels, and further increasing the reflection times of the sound waves in the sound-damping pipeline, and improving the sound-damping effect.

Moreover, the first blocking portion 1421 is disposed near the air outlet 130, so that on the premise of not increasing the flow resistance of the air flow, the flow path of the air flow in the silencing cavity 111 can be changed multiple times, the flow time of the air flow in the silencing cavity 111 is prolonged, and then the sound wave is offset in multiple silencing channels through multiple reflections and interference, so that the silencing effect of the air flow flowing through the silencer 100 is improved, the transmission loss of medium and high frequency of the compressor 200 in which the silencer 100 is disposed between the air suction port 211 and the opening 224 of the silencing disc 221 can be obviously improved, and the silencing amount of the whole compressor 200 is improved.

As shown in fig. 1, further, based on any of the above embodiments, the first end of the first blocking portion 1421 is located at the air outlet 130, and separates the air outlet 130 into at least two sub-air outlets 131, where the at least two sub-air outlets 131 are in communication with a plurality of sound-deadening channels, and the second end of the first blocking portion 1421 is inserted into the sound-deadening chamber 111.

In this embodiment, the first end of the first blocking portion 1421 is located at the air outlet 130, and the first blocking portion 1421 separates the air outlet 130 into at least two sub-air outlets 131, and the at least two sub-air outlets 131 are respectively communicated with a plurality of silencing channels, and the second end of the first blocking portion 1421 is inserted into the silencing cavity 111, that is, at least one silencing channel extends to the air outlet 130, so as to facilitate lengthening the flow path of the air flow, and further increase the length of the silencing channel, thereby increasing the flow time of the air flow in the silencing channels, further increasing the reflection times of the sound wave in the silencing pipeline, and improving the silencing effect.

As shown in fig. 1 and 6, further, the second baffle 142 further includes a second blocking portion 1422, where the second blocking portion 1422 is connected to the first blocking portion 1421 and forms a preset angle with the first blocking portion 1421, and an end of the second blocking portion 1422 away from the first blocking portion 1421 extends to a side where the air inlet 120 is located.

In this embodiment, the second baffle 142 is further defined to include a second blocking portion 1422, specifically, the second blocking portion 1422 is connected to the first blocking portion 1421, and a preset angle is formed between the second blocking portion 1422 and the first blocking portion 1421, for example, the preset angle may be 90 °. That is, the second baffle 142 is a corner plate.

The end of the second blocking portion 1422 away from the first blocking portion 1421 extends in a direction approaching the air inlet 120, that is, the end of the second blocking portion 1422 away from the first blocking portion 1421 extends toward the side where the first baffle 141 is located. Thus, the silencing cavity 111 is divided into a plurality of silencing channels, that is, the first baffle 141 and the second baffle 142 divide the silencing cavity 111 with larger volume into a plurality of silencing channels with smaller volume which are communicated with each other, after the air flow flows into the silencing channels with smaller volume, the sound wave can be counteracted by multiple reflection and interference in the silencing channels with smaller volume, and after the air flow is silenced by one silencing channel with smaller volume, the air flow can also flow through the rest silencing channels for silencing again, so that the purpose of reducing noise is achieved.

The first baffle 141 and the second baffle 142 divide the silencing cavity 111 into a plurality of silencing channels, so that after air enters from the air inlet 120, the flow path of the air in the silencing cavity 111 can be changed for a plurality of times without increasing the flow resistance of the air, the flow time of the air in the silencing cavity 111 is prolonged, and then sound waves are offset in the silencing channels through a plurality of times of reflection and interference, the silencing effect of the air flowing through the silencer 100 is improved, the transmission loss of medium-high frequency of the compressor 200, which is formed by arranging the silencer 100 between the air suction port 211 and the opening 224 of the silencing disc 221, can be obviously improved, and the silencing amount of the compressor 200 is improved.

In practice, the extension length of the second stop 1422 may be adjusted according to the desired muffling frequency of the compressor 200.

In a specific embodiment, further, the housing 110 is a plastic housing 110; and/or baffle assembly 140 is a plastic baffle.

In this embodiment, the housing 110 is a plastic housing 110, which facilitates the processing of the housing 110 and can further reduce the production cost of the muffler 100.

The baffle assembly 140 is a plastic baffle, facilitates the processing of the baffle assembly 140, and can further reduce the production cost of the muffler 100.

In addition, the housing 110 and the baffle assembly 140 may be an integral structure, and it can be understood that the integral structure has good mechanical properties, so that the connection stability between the baffle assembly 140 and the housing 110 can be further improved, and the problem of secondary noise caused by vibration of the baffle assembly 140 due to impact of air flow when the air flow flows in the silencing cavity 111 is prevented. Furthermore, the integral structure can facilitate the processing and production of the muffler 100, and reduce the production cost of the muffler 100.

According to a second aspect of the present invention, there is provided a compressor 200 including the muffler 100 according to any of the above embodiments, so as to provide all the beneficial technical effects of the muffler 100, which will not be described herein.

As shown in fig. 5 and 6, further, the compressor 200 further includes a housing 210, a compression assembly 220, and a driving member 230, wherein the housing 210 is provided with an air suction port 211, the air suction port 211 is communicated with the air inlet 120, the compression assembly 220 is disposed in the housing 210, the compression assembly 220 includes a stationary plate 221 and a movable plate 222, the stationary plate 221 and the movable plate 222 enclose to form a compression chamber 223, the stationary plate 221 is provided with an opening 224, the opening 224 is communicated with the compression chamber 223 and the air outlet 130, and the driving member 230 is connected with the movable plate 222.

The compressor 200 provided by the embodiment of the invention comprises a muffler 100, a shell 210, a compression assembly 220 and a driving piece 230, wherein the compression assembly 220 comprises a static disc 221 and a movable disc 222, the static disc 221 and the movable disc 222 are enclosed to form a compression cavity 223, the static disc 221 is provided with an opening 224 communicated with the compression cavity 223, and the opening 224 is communicated with an air outlet 130 of the muffler 100. The housing 210 is provided with an air suction port 211, and the air suction port 211 communicates with the air intake 120 of the muffler 100. When the compressor 200 sucks air, the air flow enters the air inlet 120 through the air suction port 211, is silenced through the plurality of silencing channels, and then the air outlet 130 is discharged to the opening 224 and enters the compression cavity 223 through the opening 224. The driving member 230 drives the movable plate 222 to rotate relative to the stationary plate 221 to compress the gas in the compression chamber 223, and the compressed high-temperature and high-pressure gas is discharged through the gas outlet of the stationary plate 221.

It will be appreciated that the drive member 230 includes a motor and a crankshaft, the motor being coupled to the crankshaft and the crankshaft being coupled to the movable plate 222.

The baffle assembly 140 divides the sound-damping cavity 111 into a plurality of sound-damping channels, that is, the baffle assembly 140 divides the sound-damping cavity 111 with a larger volume into a plurality of sound-damping channels with smaller volumes, after the air flow flows into the sound-damping channels with smaller volumes, sound waves can be counteracted through multiple reflections and interference in the sound-damping channels with smaller volumes, and after the air flow is damped by one sound-damping channel with smaller volume, the air flow can also flow through the rest of sound-damping channels for re-damping, so that the purpose of reducing noise is achieved.

The muffler 100 is disposed between the suction port 211 of the compressor 200 and the opening 224 of the stationary plate 221, specifically, the suction port 120 communicates with the suction port 211, the opening 224 communicates with the discharge port 130, and during suction of the compressor 200, air flows into the suction port 120 through the suction port 211, flows out to the discharge port 130 through a plurality of muffler passages, and enters the compression chamber 223 through the opening 224 of the stationary plate 221. By arranging the baffle plate assembly 140 in the sound-deadening chamber 111, the reflection times of the air flow in a plurality of sound-deadening channels can be increased, the flowing time of the air flow in the sound-deadening chamber 111 can be prolonged, and the noise reduction effect in the air suction process of the compressor 200 can be improved.

As shown in fig. 5 and 6, in addition to the above embodiment, the through-flow cross-sectional area of the intake port 211 is equal to the through-flow cross-sectional area of the intake port 120.

In this embodiment, the through-flow sectional area of the suction port 211 is equal to the suction port 120 and the through-flow sectional area, thereby securing the suction efficiency of the compressor 200. It can be appreciated that if the through-flow cross-sectional area of the inlet 120 is larger than the through-flow cross-sectional area of the inlet 211, the gas in the housing 110 is liable to flow in from the inlet 120 during the suction of the compressor 200, thereby affecting the operation of the compressor 200.

If the through-flow cross-sectional area of the inlet 120 is smaller than that of the inlet 211, the flow resistance of the gas increases, and the suction efficiency of the compressor 200 is lowered.

As shown in fig. 5 and 6, in addition to the above embodiment, the housing 110 is further provided with an avoidance port 150, the avoidance port 150 communicates with the air outlet 130, and a part of the static disc 221 is located in the avoidance port 150 and abuts against the housing 110.

In this embodiment, the housing 110 is provided with the escape opening 150, and the escape opening 150 communicates with the air outlet 130, specifically, a part of the static disc 221 is located in the escape opening 150 and abuts against the housing 110. By providing the avoiding port 150, interference with the structure of the stationary plate 221 during installation of the muffler 100 and the compressor 200 can be avoided, and the structural stability of the muffler 100 can be improved by abutting a part of the stationary plate 221 against the housing 110.

In practical application, the housing 110 is further provided with a mounting portion, and the mounting portion is provided with a mounting hole, and the housing 110 is mounted and fixed with the static disc 221 through the mounting hole.

According to a third aspect of the present invention, an air conditioner is provided, which includes the compressor 200 provided in any of the above embodiments, so that all the beneficial technical effects of the compressor 200 are provided, and are not described herein.

In practice, the compressor 200 defined herein includes, but is not limited to, a scroll compressor.

In the description of the present specification, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. 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 housing having an acoustic damping cavity;

the air inlet and the air outlet are arranged on the shell and are respectively communicated with the silencing cavity;

the baffle plate assembly is arranged in the silencing cavity and divides the silencing cavity into a plurality of silencing channels which are communicated with each other, at least one silencing channel is communicated with the air inlet, and at least one silencing channel is communicated with the air outlet.

2. The muffler of claim 1, wherein the baffle assembly comprises:

the first baffle is arranged close to the air inlet, and is inserted into the sound-eliminating cavity along the air inlet direction of the air inlet.

3. The muffler of claim 2, wherein,

the first end of the first baffle is arranged at the air inlet and divides the air inlet into at least two sub-air inlets, the at least two sub-air inlets are respectively communicated with the plurality of silencing channels, and the second end of the first baffle is inserted into the silencing cavity.

4. The muffler of claim 3, wherein,

the shell comprises a first plate body and a second plate body which are oppositely arranged, the air inlet is formed in the first plate body, and the air outlet is formed in the second plate body;

and in the direction from the first plate body to the second plate body, the distance H between the inner side wall of the first plate body and the inner side wall of the second plate body and the height H of the first baffle plate meet H & gtH/2.

5. The muffler of claim 4, wherein,

the shell also comprises a third plate body and a fourth plate body which are oppositely arranged, wherein the third plate body is connected with the first plate body and the second plate body, and the fourth plate body is connected with the first plate body and the second plate body;

the first baffle is connected with the third plate body and/or the fourth plate body.

6. The muffler of claim 4, wherein,

and the air outlets and the air inlets are staggered along the direction from the first plate body to the second plate body.

7. The muffler of any one of claims 1 to 6, wherein the baffle assembly further comprises:

the second baffle comprises a first baffle part, the first baffle part is arranged close to the air outlet, and is inserted into the silencing cavity along the air outlet direction of the air outlet.

8. The muffler of claim 7, wherein,

the first end of the first blocking part is positioned at the air outlet and divides the air outlet into at least two sub-air outlets, the at least two sub-air outlets are communicated with the plurality of silencing channels, and the second end of the first blocking part is inserted into the silencing cavity.

9. The muffler of claim 7, wherein the second baffle further comprises:

the second blocking part is connected with the first blocking part and forms a preset angle with the first blocking part, and one end of the second blocking part, which is far away from the first blocking part, extends to one side where the air inlet is located.

10. The muffler according to any one of claims 1 to 6,

the shell is a plastic shell; and/or

The baffle plate component is a plastic baffle plate.

11. A compressor, comprising:

the muffler of any one of claims 1 to 10;

the shell is provided with an air suction port, and the air suction port is communicated with the air inlet;

the compression assembly is arranged in the shell and comprises a static disc and a movable disc, the static disc and the movable disc are enclosed to form a compression cavity, the static disc is provided with an opening, and the opening is communicated with the compression cavity and the air outlet;

And the driving piece is connected with the movable disc.

12. The compressor of claim 11, wherein,

the through-flow sectional area of the air suction port is equal to the through-flow sectional area of the air inlet.

13. A compressor according to claim 11 or 12, characterized in that,

the shell is provided with an avoidance port, the avoidance port is communicated with the air outlet, and a part of the static disc is positioned in the avoidance port and is propped against the shell.

14. An air conditioner comprising the compressor according to any one of claims 11 to 13.