CN210564964U

CN210564964U - Refrigerator compressor silencer

Info

Publication number: CN210564964U
Application number: CN201921077997.5U
Authority: CN
Inventors: 杨宏伟; 陈新涛; 刘杰
Original assignee: Huangshi Xiangyu Light Industry Accessories Co ltd
Current assignee: Huangshi Xiangyu Light Industry Accessories Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-19
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a refrigerator compressor muffler, include: the silencer comprises a shell, an air inlet pipe, an air outlet pipe and a silencing component, wherein one end of the air inlet pipe is arranged in the shell, and the air inlet pipe is fixedly connected with the shell; one end of the air outlet pipe is arranged in the shell, and the air outlet pipe is fixedly connected with the shell; the shell is arranged in the silencing assembly, the silencing assembly comprises a silencing tank, a first connecting pipe, a second connecting pipe, a first buffer plate and a second buffer plate, compressed air flow of the compressor enters the bottom of an inner cavity of the silencing tank from the air inlet pipe and the first connecting pipe, then the air flow passes through the first through holes and the second through holes which are arranged in a staggered mode, the flowing track of the air flow is bent between the first buffer plate and the second buffer plate, partial energy of the air flow is lost, the loss capacity of the vortex at the bent part is maximum, and therefore the air flow is silenced.

Description

Refrigerator compressor silencer

Technical Field

The utility model relates to a compressor muffler technical field, concretely relates to refrigerator compressor muffler.

Background

The household refrigerator appliance brings convenience and trouble to people, and the influence of the noise of the refrigerator set equipment on the environment and a using room is paid attention to. As the heart of the refrigerator, the compressor is the main source of noise of the refrigerator appliance, and the noise is caused by mutual friction and impact between moving parts or vortex generated by gas in the flowing process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a refrigerator compressor muffler, solve the great technical problem of refrigerator built-in compressor noise among the prior art.

In order to achieve the above technical purpose, the technical solution of the utility model provides a refrigerator compressor muffler, include: the silencer comprises a shell, an air inlet pipe, an air outlet pipe and a silencing component, wherein one end of the air inlet pipe is arranged in the shell, and the air inlet pipe is fixedly connected with the shell; one end of the air outlet pipe is arranged in the shell, and the air outlet pipe is fixedly connected with the shell; the silencing assembly is arranged in the shell and comprises a silencing tank, a first connecting pipe, a second connecting pipe, a first buffer plate and a second buffer plate, wherein one end of the first connecting pipe is communicated with one end, arranged in the shell, of the air inlet pipe, and the other end of the first connecting pipe is communicated with the bottom of an inner cavity of the silencing tank; one end of the second connecting pipe is communicated with one end of the air outlet pipe arranged in the shell, and the other end of the second connecting pipe is communicated with the top of the inner cavity of the silencing tank; first buffer board the second buffer board is all one at least, first buffer board with the second buffer board is followed the direction of height of amortization jar is placed in at intervals in proper order the amortization jar, and will the inner chamber of amortization jar is separated into along its direction of height a plurality of cavitys adjacent in proper order, be provided with the first through-hole that runs through its terminal surface from top to bottom on the first buffer board, be provided with the second through-hole that runs through its terminal surface from top to bottom on the second buffer board, the second through-hole is in horizontal projection on the first buffer board with first through-hole dislocation.

Compared with the prior art, the beneficial effects of the utility model include: when the silencer of the refrigerator compressor is used, compressed airflow of the compressor enters the bottom of an inner cavity of the silencing tank from the air inlet pipe and the first connecting pipe, then the airflow passes through the first through holes and the second through holes which are arranged in a staggered mode, the flowing track of the airflow is bent between the first buffer plate and the second buffer plate, partial energy of the airflow is lost, the loss capacity of eddy current at the bending position is the maximum, accordingly, the airflow is silenced, and finally the airflow enters the air outlet pipe through the second connecting pipe.

Drawings

Fig. 1 is an external structural schematic diagram of an embodiment of a silencer of a refrigerator compressor according to the present invention.

Fig. 2 is a schematic view of the internal structure of an embodiment of the silencer of the refrigerator compressor of the present invention.

Fig. 3 is a schematic plan view of an embodiment of the first buffer plate of the present invention.

Fig. 4 is a schematic plan view of an embodiment of a second buffer plate according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, the present embodiment provides a silencer for a refrigerator compressor, including: casing 1, intake pipe 2, outlet duct 3 and amortization subassembly 4.

Place in the one end of intake pipe 2 in casing 1, and intake pipe 2 with casing 1 fixed connection, in this embodiment, intake pipe 2 with casing 1 welded fastening.

One end of the air outlet pipe 3 is arranged in the shell 1, the air outlet pipe 3 is fixedly connected with the shell 1, and in the embodiment, the air outlet pipe 3 is fixedly welded with the shell 1.

Place in amortization subassembly 4 casing 1, amortization subassembly 4 includes amortization jar 41, first connecting pipe 42, second connecting pipe 43, first buffer board 44 and second buffer board 45, the one end of first connecting pipe 42 with place in intake pipe 2 the one end intercommunication of casing 1 the other end of first connecting pipe 42 with the inner chamber bottom intercommunication of amortization jar 41.

One end of the second connecting pipe 43 is communicated with one end of the air outlet pipe 3 arranged in the shell 1, and the other end of the second connecting pipe 43 is communicated with the top of the inner cavity of the silencing pot 41.

First buffer board 44 second buffer board 45 all is one at least, first buffer board 44 with second buffer board 45 follows place in the direction of height of amortization jar 41 is at the interval in proper order amortization jar 41, and will the inner chamber of amortization jar 41 is separated into along its direction of height a plurality of cavitys adjacent in proper order, be provided with the first through-hole 44a that runs through its up and down terminal surface on the first buffer board 44, be provided with the second through-hole 45a that runs through its up and down terminal surface on the second buffer board 45, second through-hole 44a is in horizontal projection on first buffer board 44 with first through-hole 44a dislocation is arranged.

When the silencer of the refrigerator compressor is used, compressed airflow of the compressor enters the bottom of the inner cavity of the silencing tank 41 from the air inlet pipe 2 and the first connecting pipe 42, then the airflow passes through the first through holes 44a and the second through holes 45a which are arranged in a staggered mode, the flow path of the airflow is bent between the first buffer plate 44 and the second buffer plate 45, partial energy of the airflow is lost, the loss capacity of eddy current at the bent position is maximum, the airflow is silenced, and finally the airflow enters the exhaust pipe 3 through the second connecting pipe 43.

In this embodiment, the air inlet pipe 2 and the first connecting pipe 42 are fixed by a first flange a in a sealing manner, and the air outlet pipe 3 and the second connecting pipe 43 are fixed by a second flange b in a sealing manner.

Preferably, the first connection pipe 42 is L-shaped, and the kinetic energy of the vortex in the air flow can be primarily reduced when the air flow passes through the bent position of the first connection pipe 42.

Preferably, the shell 1 is filled with sound attenuation cotton, and the outer surface of the shell 1 is coated with a rubber coating, so that vibration energy is absorbed and reduced.

Preferably, each first buffer plate 44 is provided with one first through hole 44a, the first through holes 44a are arranged in the center of the first buffer plate 44, each second buffer plate 45 is provided with a plurality of second through holes 45a, the plurality of second through holes 45a are arranged around the center circumference of the second buffer plate 45 in an array manner, and the sum of the air guide areas of the plurality of second through holes 45a on the same second buffer plate 45 is equal to the air guide area of one first through hole 44a, so that the air pressure of the air flow in the adjacent first through holes 44a and the second through holes 45a does not change greatly, and the generation of eddy flow is avoided again.

In this embodiment, first buffer board 44 is one, second buffer board 45 is two, first buffer board 44 sets up in two between second buffer board 45, it should be noted that, first buffer board 44 with second buffer board 45 should not set up too much, it can to reach the damping effect.

The working principle is as follows: when the silencer of the refrigerator compressor is used, compressed airflow of the compressor enters the bottom of an inner cavity of the silencing tank 41 from the air inlet pipe 2 and the first connecting pipe 42, then the airflow passes through the first through holes 44a and the second through holes 45a which are arranged in a staggered mode, the flow path of the airflow is bent between the first buffer plate 44 and the second buffer plate 45, partial energy of the airflow is lost, the loss capacity of eddy current at the bent position is maximum, the airflow is silenced, and finally the airflow enters the air outlet pipe 2 through the second connecting pipe 43.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A muffler for a compressor of a refrigerator, comprising: the silencer comprises a shell, an air inlet pipe, an air outlet pipe and a silencing component, wherein one end of the air inlet pipe is arranged in the shell, and the air inlet pipe is fixedly connected with the shell; one end of the air outlet pipe is arranged in the shell, and the air outlet pipe is fixedly connected with the shell; the silencing assembly is arranged in the shell and comprises a silencing tank, a first connecting pipe, a second connecting pipe, a first buffer plate and a second buffer plate, wherein one end of the first connecting pipe is communicated with one end, arranged in the shell, of the air inlet pipe, and the other end of the first connecting pipe is communicated with the bottom of an inner cavity of the silencing tank; one end of the second connecting pipe is communicated with one end of the air outlet pipe arranged in the shell, and the other end of the second connecting pipe is communicated with the top of the inner cavity of the silencing tank; first buffer board the second buffer board is all one at least, first buffer board with the second buffer board is followed the direction of height of amortization jar is placed in at intervals in proper order the amortization jar, and will the inner chamber of amortization jar is separated into along its direction of height a plurality of cavitys adjacent in proper order, be provided with the first through-hole that runs through its terminal surface from top to bottom on the first buffer board, be provided with the second through-hole that runs through its terminal surface from top to bottom on the second buffer board, the second through-hole is in horizontal projection on the first buffer board with first through-hole dislocation.

2. The muffler of claim 1, wherein the inlet pipe is sealingly secured to the first connecting pipe by a first flange.

3. The muffler of claim 1, wherein the outlet pipe and the second connecting pipe are fixed by a second flange in a sealing manner.

4. The muffler of claim 1, wherein the first connecting pipe is L-shaped.

5. The refrigerator compressor muffler of claim 1, wherein the housing is filled with a sound-deadening cotton, and an outer surface of the housing is coated with a rubber coating.

6. The muffler of claim 1, wherein each of the first buffer plates has one of the first through holes formed therein, and the first through holes are disposed at a center of the first buffer plate.

7. The muffler of claim 6, wherein each of the second baffle plates has a plurality of second through holes formed therein, the plurality of second through holes being arranged in an array around a central circumference of the second baffle plate, and a sum of air guide areas of the plurality of second through holes in the same second baffle plate is equal to an air guide area of one of the first through holes.