CN112832983B - Parallelly connected binary channels muffler structure of breathing in - Google Patents
Parallelly connected binary channels muffler structure of breathing in Download PDFInfo
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- CN112832983B CN112832983B CN201911165775.3A CN201911165775A CN112832983B CN 112832983 B CN112832983 B CN 112832983B CN 201911165775 A CN201911165775 A CN 201911165775A CN 112832983 B CN112832983 B CN 112832983B
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- 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
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Abstract
The invention discloses a parallel double-channel air suction silencer structure which comprises a silencer cover, a silencer box and a silencer clapboard, wherein the silencer cover and the silencer box enclose a silencing inner cavity; the silencer baffle sets up between silencer lid and silencer box, and the silencer baffle is including erecting baffle, cross slab and two intubate, erects baffle and cross slab and cuts apart the amortization inner chamber into left epicoele, left cavity, right epicoele and right cavity, and left epicoele passes through the intubate intercommunication with left cavity of resorption, and right epicoele passes through the intubate intercommunication with right cavity of resorption. The invention provides a parallel double-channel air suction silencer structure which can simply and effectively improve the air suction efficiency of a silencer and simultaneously enable the silencing frequency band coverage of the silencer to be wider.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a parallel double-channel air suction silencer structure.
Background
The compressor is a heart of the refrigerator, and sucks low-temperature and low-pressure refrigerant gas from a suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges high-temperature and high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle, so that the refrigeration cycle of compression → condensation → expansion → evaporation (heat absorption) is realized.
At present, most of compressor silencers of household refrigerators adopt expansion chamber silencers, are different from resistive silencers, and reactive silencers do not use sound absorption materials, mainly utilize the size of acoustic reactance to eliminate sound, and rely on sudden change of a pipeline section or a bypass resonant cavity and the like to cause impedance change in the sound propagation process to generate reflection and interference phenomena of sound waves, so that sound energy radiated outwards by the silencers is reduced, and the aim of eliminating the sound is fulfilled. Expansion chamber muffler is the multicavity series connection under the usual condition, and simultaneously in order to ensure the compressor efficiency of breathing in, the series connection chamber often is great, leads to the noise elimination volume that can't look after comprehensive a plurality of frequency channels, consequently needs design a parallelly connected cavity silencer, can ensure the efficiency of breathing in, can more efficient cover a plurality of noise elimination frequency channels simultaneously.
Chinese patent application publication No. CN204163817U, the publication date is 2015 year 02 month 18 days, the name is "a parallel muffler", a parallel muffler is disclosed, includes two mufflers (401), is connected through connecting plate (404) between casing (1) of two mufflers (401), both ends are provided with air inlet (1.1) and gas outlet (1.2) respectively about casing (1), and air inlet (1.1) of two mufflers (401) communicate to same air inlet joint (403) through tee bend (402). But the muffler is complicated in structure and is not suitable for a compressor.
Disclosure of Invention
The invention provides a parallel double-channel air suction silencer structure, aiming at overcoming the problems of large volume, small silencing frequency range and complex structure of a serial silencer in the prior art, and the parallel double-channel air suction silencer structure can simply and effectively improve the air suction efficiency of a silencer and simultaneously enable the silencing frequency band coverage of the silencer to be wider.
In order to achieve the purpose, the invention adopts the following technical scheme:
a parallel double-channel suction muffler structure comprises a muffler cover, a muffler box and a muffler partition plate, wherein the muffler cover and the muffler box enclose a muffling inner cavity; the silencer baffle sets up between silencer lid and silencer box, and the silencer baffle is including erecting baffle, cross slab and two intubate, erects baffle and cross slab and cuts apart the amortization inner chamber into left epicoele, left cavity, right epicoele and right cavity, and left epicoele passes through the intubate intercommunication with left cavity of resorption, and right epicoele passes through the intubate intercommunication with right cavity of resorption.
By implementing the technical scheme, the double channels can effectively improve the air suction efficiency of the silencer; because the silencer is provided with more cavities, a plurality of silencing frequency bands can be more effectively covered, and the covering surface of the silencing frequency bands of the silencer is enlarged. Meanwhile, the silencer structure does not increase the cost, and the process is simple and suitable for mass production and use.
Preferably, the silencer box is provided with an air inlet, the air inlet comprises a first air inlet channel and a second air inlet channel, the first air inlet channel is communicated with the left lower cavity, and the second air inlet channel is communicated with the right lower cavity. The structure can increase the abrupt change structure of the pipeline section and improve the integral silencing effect of the silencer; meanwhile, the first air inlet channel and the second air inlet channel are directly communicated with the corresponding cavities, so that the processing is facilitated.
Preferably, the air inlet ends of the first air inlet channel and the second air inlet channel are combined into a total air inlet channel. The structure can increase the sudden change structure of pipeline cross-section, promotes the holistic noise cancelling effect of muffler, is convenient for simultaneously be connected with external structure.
Preferably, the silencer cover is provided with an air outlet, the air outlet comprises a first air outlet channel and a second air outlet channel, the first air outlet channel is communicated with the left upper cavity, and the second air outlet channel is communicated with the right upper cavity. The structure can increase the abrupt change structure of the section of the pipeline and improve the integral silencing effect of the silencer; meanwhile, the first air outlet channel and the second air outlet channel are directly communicated with the corresponding cavities, so that the processing is facilitated.
Preferably, the air outlet ends of the first air outlet channel and the second air outlet channel are combined into a total air outlet channel. The structure can increase the sudden change structure of pipeline cross-section, promotes the holistic noise cancelling effect of muffler, is convenient for simultaneously be connected with external structure.
Preferably, the side wall of the insertion pipe is provided with a vertical groove. The vertical groove and the cavity form a resonant cavity structure. The vertical groove can communicate the bottom of the left upper cavity and the bottom of the right upper cavity with the corresponding insertion tubes respectively, and oil leakage can be achieved.
Preferably, a first positioning step is arranged on the inner side wall of the silencer box, and a ring groove and a first ring bulge are arranged on the silencer cover; the first ring bulge is arranged at the inner side of the ring groove; the outward flange setting of cross slab is on first location step, and the lateral wall of cross slab hugs closely with the inside wall of muffler box, and the upper end setting of muffler box is in the annular, and first ring is protruding to compress tightly the cross slab. The structure can realize the quick installation of a silencer cover, a silencer box and a silencer clapboard, and simultaneously ensure the isolation effect of the silencer clapboard on a silencing inner cavity. The cross slab can be fixed a position fast to first location step, and after the silencer baffle was installed, the annular was gone into to the upper end card of silencer box, realized the quick location installation of silencer lid, and simultaneously, the first protruding ring on the silencer lid can compress tightly the cross slab, fixes the silencer baffle, only need with the silencer lid with the silencer box fixed can.
Preferably, a steel wire is arranged in the ring groove. The steel wire is installed in the annular groove of the silencer cover and used for welding.
Preferably, a second positioning step is arranged on the outer side wall of the silencer box, and a second annular protrusion is arranged on the silencer cover; the second annular protrusion is arranged on the outer side of the annular groove and is tightly attached to the second positioning step. The second location step can fix a position the muffler box, and the second is cyclic annular protruding to be hugged closely with the second location step simultaneously and is formed stable connection structure.
Preferably, the upper end of the diaphragm plate is provided with a third annular protrusion, and the side wall of the third annular protrusion is tightly attached to the side wall of the first annular protrusion. The third annular protrusion can clamp the first annular protrusion together with the side wall of the silencer box, and stability of the connecting structure is guaranteed.
Preferably, the inner side wall of the silencer box above the first positioning step is obliquely arranged outwards, the outer side wall of the diaphragm is obliquely arranged, and the outer side wall of the first annular protrusion is obliquely arranged. The inclination directions of the three parts are the same and corresponding, the structure is convenient for the installation of the silencer cover and the silencer clapboard, and simultaneously, each part is ensured to be tightly attached after the installation, and the installation structure is stable.
The invention has the beneficial effects that: (1) The double-channel air suction can effectively improve the air suction efficiency of the silencer; (2) the coverage of the silencing frequency band of the silencer is enlarged; (3) the process is simple and is suitable for mass production and use; (4) the positioning is accurate, and the installation is convenient; and (5) the connection structure is stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a muffler separator according to the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
In the figure: the silencer comprises a silencer cover 1, a ring groove 1.1, a first annular protrusion 1.2, a second annular protrusion 1.3, a silencer box 2, a first positioning step 2.1, a second positioning step 2.2, a silencer partition plate 3, a vertical partition plate 3.1, a transverse partition plate 3.2, an insertion pipe 3.3, a vertical groove 3.4, a third annular protrusion 3.5, a silencing inner cavity 4, a left upper cavity 4.1, a left lower cavity 4.2, a right upper cavity 4.3, a right lower cavity 4.4, an air inlet 5, a first air inlet channel 5.1, a second air inlet channel 5.2, a total air inlet channel 5.3, an air outlet 6, a first air outlet channel 6.1, a second air outlet channel 6.2, a total air outlet channel 6.3 and a steel wire 7.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1, a parallel double-channel suction muffler structure comprises a muffler cover 1, a muffler box 2 and a muffler partition plate 3, wherein a muffler inner cavity 4 is defined by the muffler cover 1 and the muffler box 2; the silencer partition plate 3 is arranged between the silencer cover 1 and the silencer box 2, as shown in fig. 2, the silencer partition plate 3 comprises a vertical partition plate 3.1, a transverse partition plate 3.2 and two insertion tubes 3.3, and the vertical partition plate 3.1 and the transverse partition plate 3.2 divide a silencing inner cavity 4 into a left upper cavity 4.1, a left lower cavity 4.2, a right upper cavity 4.3 and a right lower cavity 4.4; the left upper cavity 4.1 is communicated with the left lower cavity 4.2 through the cannula 3.3, the right upper cavity 4.3 is communicated with the right lower cavity 4.4 through the cannula 3.3 to form two serial cavities, and a two-way parallel air inlet channel structure is finally formed after combination; the side wall of the insertion pipe 3.3 is provided with a vertical groove 3.4.
The silencer box 2 is provided with an air inlet 5, the air inlet 5 comprises a first air inlet channel 5.1 and a second air inlet channel 5.2, and the air inlet ends of the first air inlet channel 5.1 and the second air inlet channel 5.2 are converged into a total air inlet channel 5.3; the first air inlet channel 5.1 communicates with the left lower chamber 4.2 and the second air inlet channel 5.2 communicates with the right lower chamber 4.4.
The silencer cover 1 is provided with a gas outlet 6, the gas outlet 6 comprises a first gas outlet channel 6.1 and a second gas outlet channel 6.2, and the gas outlet ends of the first gas outlet channel 6.1 and the second gas outlet channel 6.2 are converged into a total gas outlet channel 6.3; the first air outlet channel 6.1 is communicated with the left upper cavity 4.1, and the second air outlet channel 6.2 is communicated with the right upper cavity 4.3.
In the above technical scheme, the vertical partition plate 3.1 on the silencer partition plate 3 also plays a role in reinforcing the partition plate and improving the natural frequency of the partition plate. By implementing the technical scheme, the double channels can effectively improve the air suction efficiency of the silencer; because the silencer is provided with more cavities, a plurality of silencing frequency bands can be more effectively covered, and the covering surface of the silencing frequency bands of the silencer is enlarged. Meanwhile, the silencer structure does not increase the cost, and the process is simple and suitable for mass production and use.
Example 2:
as shown in fig. 3, a first positioning step 2.1 is arranged on the inner side wall of the silencer box 2, a second positioning step 2.2 is arranged on the outer side wall of the silencer box 2, an annular groove 1.1, a first annular projection 1.2 and a second annular projection 1.3 are arranged on the silencer cover 1, the first annular projection 1.2 is arranged on the inner side of the annular groove 1.1, the second annular projection 1.3 is arranged on the outer side of the annular groove 1.1, and a third annular projection 3.5 is arranged at the upper end of the diaphragm plate 3.2; the outer edge of the diaphragm plate 3.2 is arranged on the first positioning step 2.1, the outer side wall of the diaphragm plate 3.2 is tightly attached to the inner side wall of the silencer box 2, the upper end of the silencer box 2 is arranged in the annular groove 1.1, the first annular bulge 1.2 tightly presses the diaphragm plate 3.2, and the side wall of the third annular bulge 3.5 is tightly attached to the side wall of the first annular bulge 1.2; the second annular protrusion 1.3 is tightly attached to the second positioning step 2.2. The inside wall that muffler box 2 is located first location step 2.1 top outwards inclines to arrange, and the slope of the outside wall of diaphragm 3.2 arranges, and the slope of the outside wall of the protruding 1.2 of first ring arranges, and above-mentioned three's incline direction is the same and corresponds. The ring groove 1.1 is internally provided with a steel wire 7 for welding.
The structure can realize the quick installation of the silencer cover 1, the silencer box 2 and the silencer clapboard 3, and simultaneously ensure the isolation effect of the silencer clapboard 3 on the silencing inner cavity 4. First location step 2.1 can fix a position the cross slab 3.2 fast, and the installation back of muffler baffle 3, the annular 1.1 is gone into to the upper end card of muffler box 2, realizes the quick location installation of muffler lid 1, and simultaneously, the protruding 1.2 of first ring on the muffler lid 1 can compress tightly the cross slab 3.2, fixes muffler baffle 3, only need with muffler lid 1 with muffler box 2 fixed can. After the installation, connection structure is stable.
The invention has the beneficial effects that: the double-channel air suction can effectively improve the air suction efficiency of the silencer; the coverage area of the silencing frequency band of the silencer is enlarged; the process is simple and is suitable for mass production and use; the positioning is accurate, and the installation is convenient; the connecting structure is stable.
Claims (9)
1. A parallelly-connected double-channel air suction silencer structure is characterized by comprising a silencer cover (1), a silencer box (2) and a silencer partition plate (3), wherein a silencing inner cavity (4) is defined by the silencer cover (1) and the silencer box (2); the silencer baffle plate (3) is arranged between the silencer cover (1) and the silencer box (2), the silencer baffle plate (3) comprises a vertical baffle plate (3.1), a transverse baffle plate (3.2) and two insertion tubes (3.3), the silencing inner cavity (4) is divided into a left upper cavity (4.1), a left lower cavity (4.2), a right upper cavity (4.3) and a right lower cavity (4.4) by the vertical baffle plate (3.1) and the transverse baffle plate (3.2), the left upper cavity (4.1) is communicated with the left lower cavity (4.2) through the insertion tubes (3.3), and the right upper cavity (4.3) is communicated with the right lower cavity (4.4) through the insertion tubes (3.3); be equipped with air inlet (5) on muffler box (2), air inlet (5) include first inlet channel (5.1) and second inlet channel (5.2), first inlet channel (5.1) and lower left chamber (4.2) intercommunication, second inlet channel (5.2) and lower right chamber (4.4) intercommunication.
2. A parallel two-channel suction muffler structure according to claim 1, characterized in that the inlet ends of the first inlet channel (5.1) and the second inlet channel (5.2) merge into a total inlet channel (5.3).
3. The structure of the parallel double-channel air suction muffler as claimed in claim 1, wherein an air outlet (6) is formed in the muffler cover (1), the air outlet (6) comprises a first air outlet channel (6.1) and a second air outlet channel (6.2), the first air outlet channel (6.1) is communicated with the left upper cavity (4.1), and the second air outlet channel (6.2) is communicated with the right upper cavity (4.3).
4. A parallel two-channel suction muffler structure according to claim 3, wherein the outlet ends of the first outlet channel (6.1) and the second outlet channel (6.2) are merged into a total outlet channel (6.3).
5. A parallel double channel suction muffler structure, according to claim 1 or 2 or 3 or 4, characterized in that the side wall of the insertion pipe (3.3) is provided with vertical grooves (3.4).
6. The structure of the parallel double-channel suction muffler as claimed in claim 1, 2, 3 or 4, wherein the inner side wall of the muffler box (2) is provided with a first positioning step (2.1), and the muffler cover (1) is provided with a ring groove (1.1) and a first ring protrusion (1.2); the first annular bulge (1.2) is arranged on the inner side of the annular groove (1.1); the outward flange setting of cross slab (3.2) is on first location step (2.1), and the upper end setting of muffler box (2) is in annular (1.1), and first ring is protruding (1.2) to compress tightly cross slab (3.2).
7. The parallel double-channel air suction muffler structure as claimed in claim 6, wherein the outer side wall of the muffler box (2) is provided with a second positioning step (2.2), and the muffler cover (1) is provided with a second annular protrusion (1.3); the second annular protrusion (1.3) is arranged on the outer side of the annular groove (1.1), and the second annular protrusion (1.3) is tightly attached to the second positioning step (2.2).
8. The parallel double-channel air suction muffler structure as claimed in claim 6, wherein the upper end of the diaphragm (3.2) is provided with a third annular protrusion (3.5), and the side wall of the third annular protrusion (3.5) is tightly attached to the side wall of the first annular protrusion (1.2).
9. A parallel two-channel silencer structure of breathing in according to claim 6, characterized in that the inner side wall of the silencer box (2) above the first positioning step (2.1) is arranged obliquely outwards, the outer side wall of the diaphragm (3.2) is arranged obliquely, and the outer side wall of the first annular projection (1.2) is arranged obliquely.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165775.3A CN112832983B (en) | 2019-11-25 | 2019-11-25 | Parallelly connected binary channels muffler structure of breathing in |
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| CN201911165775.3A CN112832983B (en) | 2019-11-25 | 2019-11-25 | Parallelly connected binary channels muffler structure of breathing in |
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| CN112832983A CN112832983A (en) | 2021-05-25 |
| CN112832983B true CN112832983B (en) | 2022-10-28 |
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Families Citing this family (1)
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| WO2024101596A1 (en) * | 2022-11-09 | 2024-05-16 | 삼성전자 주식회사 | Muffler for compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736555Y (en) * | 2004-08-19 | 2005-10-26 | 加西贝拉压缩机有限公司 | Air sucking silencer for compressor |
| KR20080093583A (en) * | 2007-04-17 | 2008-10-22 | 삼성광주전자 주식회사 | A suction muffler for compressor |
| CN201437764U (en) * | 2009-05-27 | 2010-04-14 | 加西贝拉压缩机有限公司 | Air suction silencer with air storage cavity for compressor |
| CN103321875B (en) * | 2013-07-05 | 2016-06-01 | 安徽美芝制冷设备有限公司 | suction muffler for compressor |
| CN108223335A (en) * | 2018-03-13 | 2018-06-29 | 安徽美芝制冷设备有限公司 | Reciprocating compressor air suction silencer and with its reciprocating compressor |
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