CN110873036A - Silencer, compressor and refrigeration equipment - Google Patents
Silencer, compressor and refrigeration equipment Download PDFInfo
- Publication number
- CN110873036A CN110873036A CN201811014923.7A CN201811014923A CN110873036A CN 110873036 A CN110873036 A CN 110873036A CN 201811014923 A CN201811014923 A CN 201811014923A CN 110873036 A CN110873036 A CN 110873036A
- Authority
- CN
- China
- Prior art keywords
- housing
- chamber
- silencing chamber
- pipe
- silencing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003584 silencer Effects 0.000 title claims abstract description 17
- 238000005057 refrigeration Methods 0.000 title claims abstract description 11
- 230000030279 gene silencing Effects 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 230000001743 silencing effect Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
Abstract
The invention discloses a silencer, a compressor and refrigeration equipment, wherein the silencer comprises: a housing having a cavity, said housing being provided with an inlet duct (13) and an outlet duct (14); the partition plate (30) is a flat plate, the partition plate (30) is arranged in the shell and divides the cavity into a first silencing chamber (21) and a second silencing chamber (22), the air outlet pipe (14) is communicated with the first silencing chamber (21), and the air inlet pipe (13) is communicated with the second silencing chamber (22); the partition plate (30) is provided with a communicating part for communicating the first silencing chamber (21) with the second silencing chamber (22), so that gas enters the cavity from the gas inlet pipe (13), passes through the communicating part and is discharged from the gas outlet pipe (14). The silencer has the advantages of good silencing effect and simple structure.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a silencer, a compressor and refrigeration equipment.
Background
With the continuous development of social economy and scientific technology, the living standard of people is improved, and the environmental protection consciousness is also greatly enhanced. The requirements of people on the performance of refrigeration equipment represented by a refrigerator as a necessary household appliance in daily life are higher and higher, the noise level of the refrigerator is one of the most key indexes of the refrigerator besides important freezing capacity, the noise of the refrigerator mainly comes from the noise of a refrigerator compressor, the refrigerator compressor is used as the heart of a refrigerator system, the requirements on the single performance, the noise and the vibration level of the refrigerator compressor are higher and higher, the phenomenon is always reflected mainly in the aspect of noise, and the importance of the noise control on the refrigerator compressor is self-evident. In the prior art, the silencing equipment of the compressor is complex in structure and complex to manufacture, and the price of the compressor and even the whole refrigeration equipment is improved. In addition, the suction muffler of the prior art reciprocating piston compressor has the problems of limited muffling amount due to small cavity and limited compression ratio.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a silencer, a compressor and refrigeration equipment.
In order to achieve the above object, an aspect of the present invention provides a muffler, comprising: a housing having a cavity, the housing being provided with an inlet duct and an outlet duct; the baffle is a flat plate, the baffle is arranged in the shell and divides the cavity into a first silencing chamber and a second silencing chamber, the air outlet pipe is communicated with the first silencing chamber, and the air inlet pipe is communicated with the second silencing chamber; the baffle plate is provided with a communicating part for communicating the first silencing chamber and the second silencing chamber, so that gas enters the cavity from the gas inlet pipe, passes through the communicating part and then is discharged from the gas outlet pipe.
Preferably, the communication part is a communication pipe.
Preferably, one end of the communication pipe extends into the first muffling chamber, the other end of the communication pipe extends into the second muffling chamber, and the ratio of the length of the portion of the communication pipe extending into the first muffling chamber to the length of the portion of the communication pipe extending into the second muffling chamber is 1/5-1/2.
Preferably, the ratio of the volumes of the first sound-deadening chamber and the second sound-deadening chamber is 1/5 to 1/2.
Preferably, one end of the air outlet pipe extends out of the shell and is provided with an air outlet, the other end of the air outlet pipe is communicated with the first silencing chamber, and the inner wall of the air outlet pipe is provided with an arc-shaped structure, so that air is discharged from the first silencing chamber, then passes through the arc-shaped structure and then is discharged from the air outlet.
Preferably, the housing is provided with an oil leakage hole for discharging oil.
Preferably, the oil leak hole is provided in a direction in which gas of the intake pipe flows.
Preferably, the housing includes a first housing and a second housing, each of the first housing and the second housing having an opening, the opening edges of the first housing and the second housing are each provided with a groove portion, the edge of the partition is provided with a protrusion portion matching with the groove portion, and the partition is disposed between the first housing and the second housing by matching the protrusion portion and the groove portion, so that a first muffling chamber is formed between the first housing and the partition and a second muffling chamber is formed between the second housing and the partition.
A second aspect of the invention provides a compressor comprising a muffler as described above.
The invention also provides refrigeration equipment which comprises the compressor.
Through the technical scheme, the cavity of the shell is divided into the two silencing chambers by the partition plate, the two silencing chambers are communicated with each other through the communicating parts on the partition plate, and in the air suction process of the compressor, the silencing chambers and the communicating parts have a good guiding effect on the flow direction of the refrigerant, so that the generation of vortex when the refrigerant flows can be effectively reduced, the flow resistance and the pressure loss of the refrigerant are reduced, the noise of the compressor is effectively reduced, and the overall performance of the compressor is ensured. Meanwhile, the communicating part is matched with the silencing chamber, so that the gas can expand when flowing through the communicating part, and the sound wave is reflected to generate transmission loss, thereby realizing silencing and noise reduction.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the muffler of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the construction of the first housing of the muffler of the present invention;
FIG. 4 is a schematic view of the construction of the baffle of the muffler of the present invention;
fig. 5 is a schematic structural view of a second housing of the muffler of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1 and 2, the muffler of the present invention includes a housing and a partition 30. The shell is provided with a cavity and is provided with an air inlet pipe 13 and an air outlet pipe 14; the partition plate 30 is a flat plate, the partition plate 30 is arranged in the shell and divides the cavity into a first silencing chamber 21 and a second silencing chamber 22, wherein the air outlet pipe 14 is communicated with the first silencing chamber 21, and the air inlet pipe 13 is communicated with the second silencing chamber 22; the partition plate 30 is provided with a communicating portion communicating the first muffling chamber 21 and the second muffling chamber 22, so that the gas enters the cavity from the gas inlet pipe 13, passes through the communicating portion, and is discharged from the gas outlet pipe 14.
The working process of the silencer of the invention is as follows: after the air flow containing the refrigerant enters the second muffling chamber 22 through the inlet pipe 13, the air flow is blocked by the partition plate 30, flows along the planar surface of the partition plate 30, flows into the first muffling chamber 21 from the communicating portion, and the air flow entering the first muffling chamber 21 is discharged from the outlet pipe 14. The silencer of the invention divides the cavity of the shell into two silencing chambers by the clapboard 30, and the two silencing chambers are communicated with each other through the communicating part on the clapboard 30, in the air suction process of the compressor, the silencing chambers and the communicating parts play a good role in guiding the flow direction of the refrigerant, can effectively reduce the generation of vortex when the refrigerant flows, reduce the flow resistance and pressure loss of the refrigerant, effectively reduce the noise of the compressor, and ensure the overall performance of the compressor. Meanwhile, the communicating part is matched with the silencing chamber, so that the gas can expand when flowing through the communicating part, and the sound wave is reflected to generate transmission loss, thereby realizing silencing and noise reduction.
It should be understood that the communication portion may be a communication structure of various forms as long as the first muffling chamber 21 and the second muffling chamber 22 can be communicated with each other, and preferably, the communication portion is the communication pipe 31.
In order to more effectively expand the airflow when the airflow passes through the communication pipe 31 and thus cause a loss due to reflection of sound waves, it is preferable that one end of the communication pipe 31 extends into the first muffling chamber 21 and the other end of the communication pipe 31 extends into the second muffling chamber 22, and a ratio of a length of a portion of the communication pipe 31 extending into the first muffling chamber 21 to a length of a portion of the communication pipe 31 extending into the second muffling chamber 22 is 1/5 to 1/2.
In general, the ratio of the volumes of the first muffling chamber 21 to the second muffling chamber 22 can be set arbitrarily, and does not hinder the flow of the refrigerant airflow, but in order to generate as little noise as possible in the flow of the airflow, the ratio of the volumes of the first muffling chamber 21 to the second muffling chamber 22 is preferably 1/5 to 1/2.
In order to enable the gas flow to be discharged more smoothly from the outlet pipe 14, as shown in fig. 3, it is preferable that one end of the outlet pipe 14 extends out of the housing and is provided with an outlet port 141, the other end of the outlet pipe 14 communicates with the first muffling chamber 21, and the inner wall of the outlet pipe 14 has an arc-shaped structure 142 so that the gas is discharged from the first muffling chamber 21, passes through the arc-shaped structure 142, and is then discharged from the outlet port 141.
In order to be able to remove the lubricating oil from the cavity in time to prevent it from affecting the sound-damping effect, it is preferable that the housing is provided with oil-leaking holes 40 for discharging the oil, as shown in fig. 5.
It should be understood that the oil leak hole 40 may be generally provided at the bottom of the housing, which enables the lubricating oil to be discharged from the oil leak hole 40 under the influence of its own weight, and in the preferred embodiment of the present invention, the oil leak hole 40 is provided in the direction in which the gas of the intake pipe 13 flows.
In order to facilitate the installation and removal of the muffler of the present invention, it is preferable that, as shown in fig. 3 to 5, the housing includes a first housing 11 and a second housing 12 each having an opening, the edges of the openings of the first housing 11 and the second housing 12 are each provided with a groove portion, the edge of the partition plate 30 is provided with a protrusion portion which is matched with the groove portion, and the partition plate 30 is disposed between the first housing 11 and the second housing 12 by the matching of the protrusion portion and the groove portion, such that a first muffling chamber 21 is formed between the first housing 11 and the partition plate 30 and a second muffling chamber 22 is formed between the second housing 12 and the partition plate 30.
It should be understood that the first casing 11 and the second casing 12 may not only be vertically divided casings as shown in the drawings of the present invention, but also be two-part casings divided left and right or obliquely divided, and the partition 30 is disposed on the first casing 11 and the second casing 12 to achieve the sound attenuation and noise reduction effects.
In a second aspect, the present invention provides a compressor, which includes the above-mentioned silencer. After the silencer is arranged, the compressor provided by the invention improves the refrigeration effect and the noise reduction effect.
The invention also provides refrigeration equipment which comprises the compressor.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications may be made to the technical solution of the invention, and in order to avoid unnecessary repetition, various possible combinations of the invention will not be described further. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (10)
1. A muffler, characterized in that the muffler comprises:
a housing having a cavity, said housing being provided with an inlet duct (13) and an outlet duct (14); and
the baffle plate (30) is a flat plate, the baffle plate (30) is arranged in the shell and divides the cavity into a first silencing chamber (21) and a second silencing chamber (22), the air outlet pipe (14) is communicated with the first silencing chamber (21), and the air inlet pipe (13) is communicated with the second silencing chamber (22); the partition plate (30) is provided with a communicating part for communicating the first silencing chamber (21) with the second silencing chamber (22), so that gas enters the cavity from the gas inlet pipe (13), passes through the communicating part and is discharged from the gas outlet pipe (14).
2. A silencer according to claim 1, characterized in that the communication part is a communication pipe (31).
3. A muffler according to claim 2, wherein one end of the communication pipe (31) protrudes into the first muffling chamber (21), the other end of the communication pipe (31) protrudes into the second muffling chamber (22), and a ratio of a length of a portion of the communication pipe (31) protruding into the first muffling chamber (21) to a length of a portion of the communication pipe (31) protruding into the second muffling chamber (22) is 1/5 to 1/2.
4. A silencer according to claim 1, characterized in that the ratio of the volumes of the first (21) and second (22) chambers is 1/5-1/2.
5. A silencer according to claim 1, characterized in that one end of the outlet pipe (14) extends out of the housing and is provided with an outlet port (141), the other end of the outlet pipe (14) communicates with the first muffling chamber (21), and the inner wall of the outlet pipe (14) has an arc-shaped structure (142) so that the gas is discharged from the first muffling chamber (21), passes through the arc-shaped structure (142), and then is discharged from the outlet port (141).
6. A muffler according to claim 1, wherein the housing is provided with an oil leak hole (40) for discharging oil.
7. A silencer according to claim 6, characterized in that the oil leak hole (40) is arranged in the direction of the gas flow of the inlet pipe (13).
8. A silencer according to claim 1, characterized in that the housing comprises a first housing (11) and a second housing (12) each having an opening, the edges of the openings of the first housing (11) and the second housing (12) are each provided with a recessed portion, the edge of the partition plate (30) is provided with a protruding portion that mates with the recessed portion, and the partition plate (30) is disposed between the first housing (11) and the second housing (12) by the mating of the protruding portion and the recessed portion, so that a first silencing chamber (21) is formed between the first housing (11) and the partition plate (30) and a second silencing chamber (22) is formed between the second housing (12) and the partition plate (30).
9. A compressor, characterized in that it comprises a silencer according to any one of claims 1-8.
10. A refrigeration appliance, characterized in that it comprises a compressor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014923.7A CN110873036A (en) | 2018-08-31 | 2018-08-31 | Silencer, compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811014923.7A CN110873036A (en) | 2018-08-31 | 2018-08-31 | Silencer, compressor and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110873036A true CN110873036A (en) | 2020-03-10 |
Family
ID=69715384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811014923.7A Pending CN110873036A (en) | 2018-08-31 | 2018-08-31 | Silencer, compressor and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110873036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211803A (en) * | 2020-09-28 | 2021-01-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer and compressor |
| CN112392690A (en) * | 2020-10-26 | 2021-02-23 | 杭州钱江制冷压缩机集团有限公司 | Compressor muffler and compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865701A (en) * | 2006-06-06 | 2006-11-22 | 加西贝拉压缩机有限公司 | Suction muffler for compressor |
| CN2903469Y (en) * | 2006-04-24 | 2007-05-23 | 广州冷机股份有限公司 | Suction silencer for sealed refrigerating compressor |
| CN201306287Y (en) * | 2008-12-12 | 2009-09-09 | 黄石东贝电器股份有限公司 | Air suction silencer of fully enclosed refrigeration compressor |
| CN202100420U (en) * | 2011-06-17 | 2012-01-04 | 华意压缩机股份有限公司 | Direct air suction muffler |
| CN205401143U (en) * | 2016-02-24 | 2016-07-27 | 格力电器（重庆）有限公司 | Silencer, refrigerating system and air conditioning equipment |
| CN107989775A (en) * | 2018-01-05 | 2018-05-04 | 安徽美芝制冷设备有限公司 | Muffler and compressor for compressor |
-
2018
- 2018-08-31 CN CN201811014923.7A patent/CN110873036A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903469Y (en) * | 2006-04-24 | 2007-05-23 | 广州冷机股份有限公司 | Suction silencer for sealed refrigerating compressor |
| CN1865701A (en) * | 2006-06-06 | 2006-11-22 | 加西贝拉压缩机有限公司 | Suction muffler for compressor |
| CN201306287Y (en) * | 2008-12-12 | 2009-09-09 | 黄石东贝电器股份有限公司 | Air suction silencer of fully enclosed refrigeration compressor |
| CN202100420U (en) * | 2011-06-17 | 2012-01-04 | 华意压缩机股份有限公司 | Direct air suction muffler |
| CN205401143U (en) * | 2016-02-24 | 2016-07-27 | 格力电器（重庆）有限公司 | Silencer, refrigerating system and air conditioning equipment |
| CN107989775A (en) * | 2018-01-05 | 2018-05-04 | 安徽美芝制冷设备有限公司 | Muffler and compressor for compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211803A (en) * | 2020-09-28 | 2021-01-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer and compressor |
| CN112392690A (en) * | 2020-10-26 | 2021-02-23 | 杭州钱江制冷压缩机集团有限公司 | Compressor muffler and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200310 |
|
| RJ01 | Rejection of invention patent application after publication |