CN109139415B - Suction muffler and compressor with same - Google Patents
Suction muffler and compressor with same Download PDFInfo
- Publication number
- CN109139415B CN109139415B CN201811162125.9A CN201811162125A CN109139415B CN 109139415 B CN109139415 B CN 109139415B CN 201811162125 A CN201811162125 A CN 201811162125A CN 109139415 B CN109139415 B CN 109139415B
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- suction muffler
- shell
- silencing cavity
- sound deadening
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- 238000004891 communication Methods 0.000 claims abstract description 29
- 230000030279 gene silencing Effects 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 230000009467 reduction Effects 0.000 abstract description 15
- 239000003507 refrigerant Substances 0.000 description 13
- 239000003921 oil Substances 0.000 description 12
- 230000003584 silencer Effects 0.000 description 12
- 230000002035 prolonged effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010726 refrigerant oil Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention provides an air suction muffler and a compressor with the same, wherein the air suction muffler comprises a shell, and the shell is provided with a plurality of sequentially communicated silencing cavities; the plurality of silencing cavities comprise a first sub-silencing cavity positioned at one end of the shell and a second sub-silencing cavity positioned at the other end of the shell, and the first sub-silencing cavity is communicated with the second sub-silencing cavity through a communication channel. The invention solves the problem of poor noise reduction effect of the suction muffler in the prior art.
Description
Technical Field
The invention relates to the technical field of compressor accessories, in particular to an air suction muffler and a compressor with the same.
Background
During the operation of the compressor, the refrigerant is not continuously sucked and compressed at a specific frequency, so that the refrigerant shakes in the flowing process, and gas noise is generated.
In order to reduce the gas noise, a suction muffler is usually provided at an intake pipe of the compressor, but the suction muffler in the prior art has a simple structure and a relatively close gas flow path, resulting in poor noise reduction effect.
Disclosure of Invention
The invention mainly aims to provide an air suction muffler and a compressor with the same, so as to solve the problem that the air suction muffler in the prior art is poor in noise reduction effect.
In order to achieve the above object, according to one aspect of the present invention, there is provided an intake silencer comprising: the shell is provided with a plurality of silencing cavities which are communicated in sequence; the plurality of silencing cavities comprise a first sub-silencing cavity positioned at one end of the shell and a second sub-silencing cavity positioned at the other end of the shell, and the first sub-silencing cavity is communicated with the second sub-silencing cavity through a communication channel.
Further, the housing includes an upper case and a lower case, and the communication passage is formed in the upper case.
Further, the suction muffler further includes a surrounding plate, both ends of the surrounding plate in the width direction are connected with the inner wall surface of the upper case so as to form a communication passage with the upper case.
Further, the apron extends in a curved shape in the width direction thereof.
Further, the cross-sectional shape of the surrounding baffle plate in the extending direction of the communication passage is L-shaped.
Further, the suction muffler further comprises a plurality of lower partition plates which are arranged in the lower shell at intervals so as to divide the cavity enclosed by the upper shell and the lower shell into a plurality of silencing cavities.
Further, the suction muffler further comprises an upper baffle plate, and the upper baffle plate is connected with the surrounding baffle plate so as to divide a cavity surrounded by the upper shell and the lower shell into a plurality of silencing cavities.
Further, the suction muffler further includes a positioning plate, and the two positioning plates are disposed in the lower case at intervals to form a positioning space adapted to the upper partition plate between the two positioning plates.
Further, the plurality of silencing cavities further comprises a third sub-silencing cavity communicated with the second sub-silencing cavity, wherein the third sub-silencing cavity is located between the first sub-silencing cavity and the second sub-silencing cavity; an air inlet and an air outlet are formed in the shell, the air inlet is communicated with the first sub-silencing cavity, and the air outlet is communicated with the third sub-silencing cavity.
Further, the plurality of silencing cavities further comprises a third sub silencing cavity communicated with the second sub silencing cavity, a fourth sub silencing cavity communicated with the third sub silencing cavity and a fifth sub silencing cavity communicated with the first sub silencing cavity; the third sub-silencing cavity, the fourth sub-silencing cavity and the fifth sub-silencing cavity are all positioned between the first sub-silencing cavity and the second sub-silencing cavity; an air inlet and an air outlet are formed in the shell, the air inlet is communicated with the fifth sub-silencing cavity, and the air outlet is communicated with the fourth sub-silencing cavity.
Further, the air inlet is arranged on the lower shell, and the air outlet is arranged on the upper shell.
Further, the suction muffler is also provided with an air inlet channel and an exhaust channel, the air inlet is communicated with the fifth sub-silencing cavity through the air inlet channel, and the exhaust port is communicated with the fourth sub-silencing cavity through the exhaust channel.
Further, the opening area of the inlet of the sound deadening chamber is smaller than the opening area of the outlet of the sound deadening chamber.
Further, there is a height difference between the inlet of the sound deadening chamber and the outlet of the sound deadening chamber.
Further, the volumes of the silencing cavities are different.
Further, each of the sound deadening chambers extends in the longitudinal direction, and the communication passage extends in the lateral direction.
Further, the edge of the upper shell is provided with a step structure, and the upper shell is buckled with the lower shell through the step structure; and/or the edge of the lower shell is provided with a step structure, and the upper shell is buckled with the lower shell through the step structure.
According to another aspect of the present invention, there is provided a compressor including a compressor body and a suction muffler provided on the compressor body, wherein the suction muffler is the suction muffler described above and below.
By adopting the technical scheme, the plurality of sequentially communicated silencing cavities are arranged in the shell, wherein the first sub-silencing cavity is positioned at one end of the shell, the second sub-silencing cavity is positioned at the other end of the shell, and the first sub-silencing cavity and the second sub-silencing cavity are communicated through the communication channel, so that the internal space of the air suction silencer is fully and reasonably utilized under the condition that the whole volume of the air suction silencer is not increased, the gas circulation path is prolonged, the local resistance loss of gas is reduced, and the noise reduction effect of the air suction silencer is improved under the condition that the air suction efficiency is not influenced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 illustrates a schematic front cross-sectional view of an suction muffler in accordance with an alternative embodiment of the present invention;
FIG. 2 shows an exploded view of the suction muffler of FIG. 1 at an angle;
FIG. 3 shows a schematic view of an alternative angular exploded construction of the suction muffler of FIG. 1;
FIG. 4 shows an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 illustrates a bottom view of the suction muffler of FIG. 1;
fig. 6 is a schematic view showing an assembled structure of the suction muffler and the compressor body of fig. 1.
Wherein the above figures include the following reference numerals:
1. An air suction muffler; 10. a housing; 101. an air inlet; 102. an exhaust port; 103. an air intake passage; 104. an exhaust passage; 11. an upper case; 111. a communication passage; 112. a step structure; 12. a lower case; 121. a first sub-muffling chamber; 122. a second sub-muffling chamber; 123. a third sub-muffling chamber; 124. a fourth sub-muffling chamber; 125. a fifth sub-muffling chamber; 126. oil leakage holes; 13. an oil leakage hole baffle plate; 20. a surrounding baffle; 30. a lower partition plate; 40. an upper partition plate; 50. a positioning plate; 51. positioning space; 2. a frame; 3. a cylinder head assembly; 4. a stator; 5. a rotor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the problem that the noise reduction effect of the suction muffler in the prior art is poor, the invention provides the suction muffler and a compressor with the suction muffler. The compressor comprises a compressor body and an air suction silencer arranged on the compressor body, wherein the air suction silencer is the air suction silencer.
As shown in fig. 1 to 5, the suction muffler includes a housing 10 having a plurality of sequentially communicating sound deadening chambers, wherein the plurality of sound deadening chambers includes a first sub sound deadening chamber 121 at one end of the housing 10 and a second sub sound deadening chamber 122 at the other end of the housing 10, and the first sub sound deadening chamber 121 communicates with the second sub sound deadening chamber 122 through a communication passage 111.
In the application, a plurality of sequentially communicated silencing cavities are arranged in the shell 10, wherein the first sub-silencing cavity 121 is positioned at one end of the shell 10, the second sub-silencing cavity 122 is positioned at the other end of the shell 10, and the first sub-silencing cavity 121 and the second sub-silencing cavity 122 are communicated through the communication channel 111, so that the internal space of the air suction silencer is fully and reasonably utilized under the condition of not increasing the whole volume of the air suction silencer, the gas circulation path is prolonged, the local resistance loss of gas is reduced, and the noise reduction effect of the air suction silencer is improved under the condition of not influencing the air suction efficiency.
As shown in fig. 1 and 3, the housing 10 includes an upper case 11 and a lower case 12, and a communication passage 111 is formed in the upper case 11. In order to facilitate the manufacturing of the suction muffler, the housing 10 is split and designed into an upper case 11 and a lower case 12, wherein a communication passage 111 is formed in the upper case 11.
Optionally, the edge of the upper shell 11 is provided with a step structure 112, and the upper shell 11 is buckled with the lower shell 12 through the step structure 112; or the edge of the lower shell 12 is provided with a step structure 112, and the upper shell 11 is buckled with the lower shell 12 through the step structure 112; or the edges of the upper shell 11 and the lower shell 12 are provided with a step structure 112, and the upper shell 11 and the lower shell 12 are buckled through the step structure 112. Thus, the user can conveniently and rapidly fasten the upper shell 11 and the lower shell 12 together through the step structure 112, thereby improving the assembly efficiency of the suction muffler.
In the alternative embodiment shown in fig. 1, only the edge of the upper shell 11 is provided with a step structure 112, and the upper shell 11 is buckled with the lower shell 12 through the step structure 112 to realize sealing, so that a closed cavity is formed.
As shown in fig. 1, 3 and 4, the suction muffler further includes a baffle plate 20, both ends of the baffle plate 20 in the width direction being connected to the inner wall surface of the upper shell 11 to enclose a communication passage 111 with the upper shell 11. In this way, the surrounding baffle 20 and the upper shell 11 form the communication channel 111, the first sub-silencing cavity 121 at one end of the shell 10 is communicated with the second sub-silencing cavity 122 at the other end of the shell 10, and the refrigerant gas flows from the first sub-silencing cavity 121 to the second sub-silencing cavity 122 through the communication channel 111, so that the flow path of the gas is prolonged, the local resistance loss of the gas is reduced, and the noise reduction effect of the suction muffler is improved under the condition that the suction efficiency is not influenced.
As shown in fig. 3 and 4, the apron 20 extends in a curved shape in the width direction thereof. In this way, the communication passage 111 is defined between the baffle plate 20 extending in a curved shape and the inner wall surface of the upper case 11, and the flow area of the communication passage 111 is adjusted by adjusting the shape and size of the baffle plate 20, thereby adjusting the noise reduction effect of the suction muffler.
In one embodiment of the present application, the flow area of the communication channel 111 is 36.2mm 2, the length of the communication channel 111 is 50mm, and the thickness of the baffle 20 is between 0.8mm and 1.5 mm. The numerical range is selected after a large number of experiments in consideration of the production cost of the suction muffler and the noise reduction effect of the suction muffler.
As shown in fig. 4, the cross-sectional shape of the surrounding baffle 20 in the extending direction of the communication passage 111 is L-shaped. Thus, the structure of the baffle 20 is simple, which is beneficial to the processing and manufacturing of the baffle 20. Other cross-sectional shapes of the enclosure 20 may be used by those skilled in the art.
As shown in fig. 1 and 2, the suction muffler further includes a plurality of lower partition plates 30, and the plurality of lower partition plates 30 are disposed in the lower shell 12 at intervals to divide a cavity defined by the upper shell 11 and the lower shell 12 into a plurality of sound deadening chambers.
As shown in fig. 1 and 2, the suction muffler further includes an upper partition plate 40, and the upper partition plate 40 is connected to the surrounding baffle 20 to divide the cavity defined by the upper shell 11 and the lower shell 12 into a plurality of sound deadening chambers.
The number and arrangement positions of the lower and upper partitions 30 and 40 may be selected according to actual needs by those skilled in the art, so that the hollow space defined by the upper and lower cases 11 and 12 is divided into a plurality of sound deadening chambers by the lower and upper partitions 30 and 40.
Alternatively, the volumes of the silencing chambers are different. Like this, through setting up the amortization chamber of different volumes to can carry out the amortization to the noise of different frequency and handle, make the amortization frequency channel of breathing in the muffler widen, realize multistage series connection amortization, and then promoted the noise reduction effect of breathing in the muffler.
Optionally, the opening area of the inlet of the sound deadening chamber is smaller than the opening area of the outlet of the sound deadening chamber. That is, the present application adopts an expanded noise damping structure, and sound waves are reflected at positions where the cross sections are abrupt due to impedance mismatch, thereby causing noise attenuation.
Optionally, there is a height difference between the inlet of the sound deadening chamber and the outlet of the sound deadening chamber. In this way, the time for the gas to flow from the inlet of the sound deadening chamber to the outlet of the sound deadening chamber is further prolonged by the difference in height between the inlet of the sound deadening chamber and the outlet of the sound deadening chamber.
Alternatively, each of the sound deadening chambers extends in the longitudinal direction, and the communication passage 111 extends in the lateral direction. In this way, the internal space of the housing 10 is fully utilized, and the flow path of the gas is prolonged.
The suction muffler provided by the application prolongs the flowing time of the refrigerant gas, reduces the flowing speed of the refrigerant, thereby reducing the local resistance loss of the refrigerant gas, further reducing the pressure loss of the refrigerant gas and being beneficial to improving the service performance of the suction muffler.
As shown in fig. 1 and 2, the suction muffler further includes a positioning plate 50, and two positioning plates 50 are provided in the lower case 12 at a spaced apart interval to form a positioning space 51 between the two positioning plates 50, which is adapted to the upper partition 40. When the upper shell 11 and the lower shell 12 are assembled, the upper partition plate 40 is inserted into the positioning space 51, and then the upper shell 11 and the lower shell 12 are buckled together by utilizing the step structure 112, so that the upper partition plate 40 is positioned by the positioning space 51, the upper partition plate 40 is prevented from shaking in the using process of the suction muffler, and the connection stability of the upper shell 11 and the lower shell 12 can be improved.
In the embodiment of fig. 1 to 3, in order to reduce the material used for the positioning plate 50 and reduce the production cost of the suction muffler, two sets of positioning structures are disposed in the lower shell 12, each set of positioning structures includes two positioning plates 50 disposed at intervals, and two ends of the upper partition 40 are respectively inserted into the positioning spaces 51 of the two sets of positioning structures.
Alternatively, the lower spacer 30 has a thickness of between 0.8mm and 1.5mm, the upper spacer 40 has a thickness of between 0.8mm and 1.5mm, and the positioning plate 50 has a thickness of between 0.8mm and 1.5 mm. Optionally, the peripheral baffle 20, the lower baffle 30, the upper baffle 40 and the positioning plate 50 are made of the same thickness of plate material, thereby facilitating the processing of the suction muffler.
In a specific embodiment of the present application, not shown, the number of the silencing cavities is 3, specifically, the plurality of silencing cavities further includes a third sub-silencing cavity 123 communicating with the second sub-silencing cavity 122, wherein the third sub-silencing cavity 123 is located between the first sub-silencing cavity 121 and the second sub-silencing cavity 122; the casing 10 is provided with an air inlet 101 and an air outlet 102, the air inlet 101 is communicated with the first sub-silencing cavity 121, and the air outlet 102 is communicated with the third sub-silencing cavity 123. In this way, the refrigerant gas enters the first sub-muffler chamber 121 at one end of the casing 10 through the gas inlet 101, flows to the second sub-muffler chamber 122 at the other end of the casing 10 through the communication passage 111, enters the third sub-muffler chamber 123 between the first sub-muffler chamber 121 and the second sub-muffler chamber 122 through the second sub-muffler chamber 122, and finally is discharged through the gas outlet 102.
Optionally, the opening area of the exhaust port 102 is between 27mm 2～34mm2.
As shown in fig. 1 and 2, the plurality of sound deadening chambers further includes a third sub sound deadening chamber 123 communicating with the second sub sound deadening chamber 122, a fourth sub sound deadening chamber 124 communicating with the third sub sound deadening chamber 123, and a fifth sub sound deadening chamber 125 communicating with the first sub sound deadening chamber 121; wherein the third sub-muffler chamber 123, the fourth sub-muffler chamber 124, and the fifth sub-muffler chamber 125 are all located between the first sub-muffler chamber 121 and the second sub-muffler chamber 122; the casing 10 is provided with an air inlet 101 and an air outlet 102, the air inlet 101 is communicated with a fifth sub-silencing cavity 125, and the air outlet 102 is communicated with a fourth sub-silencing cavity 124. In the embodiment, 5 silencing cavities with different volumes are arranged, the silencing frequency band of the air suction silencer is widened, the flow path of the refrigerant is prolonged, and the noise reduction effect of the air suction silencer is improved.
As shown in fig. 1 and 2, the suction muffler further has an intake passage 103 and an exhaust passage 104, the intake port 101 communicates with the fifth sub-muffler chamber 125 through the intake passage 103, and the exhaust port 102 communicates with the fourth sub-muffler chamber 124 through the exhaust passage 104.
In this way, the refrigerant gas enters the fifth sub-muffler chamber 125 through the intake passage 103 from the intake port 101, passes through the first sub-muffler chamber 121, the communication passage 111, the second sub-muffler chamber 122, the third sub-muffler chamber 123, and the fourth sub-muffler chamber 124 in this order, and finally is discharged from the exhaust port 102 through the exhaust passage 104.
Alternatively, the suction muffler may be provided as 4 sound deadening chambers, 6 sound deadening chambers or more according to the use requirement by those skilled in the art.
As shown in fig. 1 and 2, the air inlet 101 is opened in the lower case 12, and the air outlet 102 is opened in the upper case 11.
A large number of experiments show that the noise reduction effect of the air suction muffler is good, the signal to noise ratio is more than 20dB, the noise reduction effect of low-frequency noise can be met, and the noise reduction effect of medium-frequency noise and high-frequency noise can be achieved. The low frequency noise is usually noise within 1000 Hz.
As shown in fig. 5, the bottom of the lower case 12 is provided with a plurality of oil leakage holes 126, and optionally, the diameter of the oil leakage holes 126 is between 2.5mm and 3.5 mm. One oil leakage hole 126 is communicated with the first sub-silencing cavity 121, one oil leakage hole 126 is simultaneously communicated with the fifth sub-silencing cavity 125 and the fourth sub-silencing cavity 124, and one oil leakage hole 126 is simultaneously communicated with the second sub-silencing cavity 122 and the third sub-silencing cavity 123. In this way, the oil leakage hole 126 can discharge the sucked refrigerant oil mixed in the refrigerant.
As shown in fig. 5, the suction muffler further includes an oil leakage hole baffle 13, where the oil leakage hole baffle 13 is connected with the lower shell 12 and is continuously disposed around the periphery of the oil leakage hole 126, so as to prevent the refrigerant oil mist from being sucked into the muffler cavity and discharged together with the refrigerant, thereby avoiding the influence on the overall performance of the compressor due to overheat suction caused by insufficient cooling of the pump body.
Alternatively, the oil leakage hole baffle 13 has a long cylindrical shape.
Because the air suction muffler provided by the application has good noise reduction effect, correspondingly, the compressor provided by the application comprises the air suction muffler provided by the application, so that the noise of the compressor provided by the application is low in working, and particularly, the air suction muffler is arranged at the air inlet pipe of the compressor, and gas enters the compressor body through the air suction muffler.
As shown in fig. 6, the compressor body of the compressor provided by the application at least comprises a frame 2, a cylinder cover assembly 3, a stator 4, a rotor 5 and a motor, wherein the stator 4 is fixed on a stand of the frame 2, the rotor 5 is in interference fit on a crankshaft, the suction muffler 1 is fixed on the cylinder cover assembly 3 through screws, an exhaust port 102 of the suction muffler 1 is communicated with a valve plate air suction port of a cylinder, an air inlet 101 of the suction muffler 1 is communicated with an air inlet pipe of the compressor, and the motor drives a crank-connecting rod mechanism to move, so that a reed suction valve plate and an exhaust valve plate perform suction and compression of a refrigerant.
Optionally, the compressor provided by the application is applied to the refrigerator, namely, the refrigerator provided by the application has low noise when in work, so that the use experience of a user on the refrigerator is improved.
Compared with the same type of suction muffler cavity capable of achieving the same noise treatment effect, the suction muffler provided by the application has the advantages of being more convenient to assemble, more reasonable in structure and lower in manufacturing cost, and correspondingly, the compressor applying the suction muffler provided by the application has good use performance and economy, and the refrigerator applying the compressor provided by the application has good use performance and economy of the whole machine.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments 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 (13)
1. An inhalation muffler, comprising:
The shell (10) is provided with a plurality of silencing cavities which are communicated in sequence;
The plurality of silencing cavities comprise a first sub-silencing cavity (121) positioned at one end of the shell (10) and a second sub-silencing cavity (122) positioned at the other end of the shell (10), and the first sub-silencing cavity (121) is communicated with the second sub-silencing cavity (122) through a communication channel (111);
The housing (10) includes an upper case (11) and a lower case (12), the communication passage (111) being formed in the upper case (11);
The suction muffler further comprises a surrounding baffle plate (20), wherein both ends of the surrounding baffle plate (20) in the width direction are connected with the inner wall surface of the upper shell (11) so as to form the communication channel (111) with the upper shell (11);
The suction muffler further includes a plurality of lower partition plates (30), the plurality of lower partition plates (30) being disposed in the lower case (12) at intervals;
the suction muffler further comprises an upper baffle plate (40), and the upper baffle plate (40) is connected with the surrounding baffle plate (20);
The suction muffler further comprises positioning plates (50), wherein the two positioning plates (50) are arranged in the lower shell (12) at intervals, so that a positioning space (51) matched with the upper partition plate (40) is formed between the two positioning plates (50), the upper shell (11) and the lower shell (12) are enclosed to form a cavity, the cavities are divided into a plurality of silencing cavities, and the volumes of the silencing cavities are different.
2. The suction muffler as claimed in claim 1, characterized in that the peripheral baffle (20) extends in a curved manner in its width direction.
3. The suction muffler as claimed in claim 2, characterized in that the cross-sectional shape of the baffle plate (20) in the extending direction of the communication passage (111) is L-shaped.
4. An inhalation muffler according to any one of claims 1 to 3,
The plurality of sound deadening chambers further comprises a third sub sound deadening chamber (123) in communication with the second sub sound deadening chamber (122), wherein the third sub sound deadening chamber (123) is located between the first sub sound deadening chamber (121) and the second sub sound deadening chamber (122);
an air inlet (101) and an air outlet (102) are formed in the shell (10), the air inlet (101) is communicated with the first sub-silencing cavity (121), and the air outlet (102) is communicated with the third sub-silencing cavity (123).
5. An inhalation muffler according to any one of claims 1 to 3,
The plurality of sound deadening chambers further include a third sub sound deadening chamber (123) that communicates with the second sub sound deadening chamber (122), a fourth sub sound deadening chamber (124) that communicates with the third sub sound deadening chamber (123), and a fifth sub sound deadening chamber (125) that communicates with the first sub sound deadening chamber (121);
Wherein the third sub-silencing cavity (123), the fourth sub-silencing cavity (124) and the fifth sub-silencing cavity (125) are all positioned between the first sub-silencing cavity (121) and the second sub-silencing cavity (122);
An air inlet (101) and an air outlet (102) are formed in the shell (10), the air inlet (101) is communicated with the fifth sub-silencing cavity (125), and the air outlet (102) is communicated with the fourth sub-silencing cavity (124).
6. The suction muffler as claimed in claim 5, characterized in that the air inlet (101) is open on the lower shell (12) and the air outlet (102) is open on the upper shell (11).
7. The suction muffler as claimed in claim 5, further having an intake passage (103) and an exhaust passage (104), wherein the intake port (101) communicates with the fifth sub-muffler chamber (125) through the intake passage (103), and the exhaust port (102) communicates with the fourth sub-muffler chamber (124) through the exhaust passage (104).
8. The suction muffler as claimed in claim 1, wherein an opening area of an inlet of the muffling chamber is smaller than an opening area of an outlet of the muffling chamber.
9. The suction muffler as claimed in claim 1, wherein there is a height difference between the inlet of the muffling chamber and the outlet of the muffling chamber.
10. The suction muffler as claimed in claim 1, wherein the volume of each of the muffling chambers is different.
11. The suction muffler as claimed in claim 1, wherein each of the muffler chambers extends in a longitudinal direction, and the communication passage (111) extends in a lateral direction.
12. The suction muffler of claim 1, wherein,
The edge of the upper shell (11) is provided with a step structure (112), and the upper shell (11) is buckled with the lower shell (12) through the step structure (112); and/or
The edge of the lower shell (12) is provided with a step structure (112), and the upper shell (11) is buckled with the lower shell (12) through the step structure (112).
13. A compressor comprising a compressor body and a suction muffler disposed on the compressor body, wherein the suction muffler is the suction muffler of any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162125.9A CN109139415B (en) | 2018-09-30 | 2018-09-30 | Suction muffler and compressor with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811162125.9A CN109139415B (en) | 2018-09-30 | 2018-09-30 | Suction muffler and compressor with same |
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| CN109139415A CN109139415A (en) | 2019-01-04 |
| CN109139415B true CN109139415B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811162125.9A Active CN109139415B (en) | 2018-09-30 | 2018-09-30 | Suction muffler and compressor with same |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915997B (en) * | 2018-08-24 | 2024-06-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Muffler, compressor assembly and refrigerator |
| CN110425107B (en) * | 2019-08-20 | 2021-06-08 | 长虹华意压缩机股份有限公司 | Be applied to muffler of breathing in of compressor |
| CN111059028A (en) * | 2019-12-09 | 2020-04-24 | 安徽美芝制冷设备有限公司 | Silencer, compressor and refrigeration equipment |
| CN111140466A (en) * | 2019-12-19 | 2020-05-12 | 西安交通大学 | Suction muffler for compressor |
| CN111472958B (en) * | 2020-03-16 | 2021-09-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer structure, compressor and refrigerator with same |
| CN111894834B (en) * | 2020-08-11 | 2022-09-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer and compressor |
| CN111963409B (en) * | 2020-08-19 | 2022-08-30 | 江苏白雪制冷机电有限公司 | Air suction silencer |
| CN112901453B (en) * | 2021-01-29 | 2023-08-01 | 青岛万宝压缩机有限公司 | Five-cavity air suction muffler of compressor and compressor |
| CN113007067A (en) * | 2021-04-26 | 2021-06-22 | 珠海格力电器股份有限公司 | Silencer and compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107939644A (en) * | 2017-12-06 | 2018-04-20 | 常熟市天银机电股份有限公司 | air suction silencer of refrigeration compressor |
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| CN109139415A (en) | 2019-01-04 |
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