CN111810380B - Silencing device, compressor assembly comprising same and refrigerator - Google Patents
Silencing device, compressor assembly comprising same and refrigerator Download PDFInfo
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- CN111810380B CN111810380B CN202010520511.1A CN202010520511A CN111810380B CN 111810380 B CN111810380 B CN 111810380B CN 202010520511 A CN202010520511 A CN 202010520511A CN 111810380 B CN111810380 B CN 111810380B
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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
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
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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
- F04B25/00—Multi-stage pumps
- F04B25/005—Multi-stage pumps with two cylinders
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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
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
- F04B39/108—Adaptations or arrangements of distribution members the members being reed valves circular reed valves
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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
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a silencing device, a compressor assembly comprising the same and a refrigerator. A muffler assembly, comprising: the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed inside the shell; the first partition plate and the second partition plate are arranged in the cavity and divide the cavity into an air inlet cavity, an air supplementing cavity and an air outlet cavity, vent holes are formed in the first partition plate and the second partition plate, the air inlet cavity is communicated with the air supplementing cavity through the vent holes in the first partition plate, and the air outlet cavity is communicated with the air supplementing cavity through the vent holes in the second partition plate; still be provided with on the casing: the air inlet connecting pipe is communicated with the air inlet cavity; the air outlet connecting pipe is communicated with the air outlet cavity; and the air supply connecting pipe is communicated with the air supply cavity. The air supplementing connecting pipeline is arranged, so that enthalpy-increasing air supplement can be provided for the secondary compression cylinder when the air supplementing connecting pipeline is used, the secondary compression cylinder can work independently, and the working mode of the compressor is enriched.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a silencing device, a compressor assembly comprising the silencing device and a refrigerator.
Background
In recent years, with the improvement of living standard and the enhancement of energy saving consciousness of people, the requirement of the refrigerator is no longer simply kept for storage and freezing. Most of the refrigerators currently on the market use a single-unit, single-stage system to produce the low temperature, typically with a freezer compartment temperature of about 8 ℃ and a freezer compartment temperature of about-15 ℃. More and more fresh foods, fruits, vegetables, meat and the like need to be stored under the deep freezing condition of lower than-30 ℃, and the mismatching of low temperature degree causes serious loss of food juice and influences the eating mouthfeel of users. When the piston compressor of the single-unit single-stage system is used for further rapidly preparing lower temperature, the feasibility is not high. Therefore, in order to make the refrigerator have the function of extremely fast deep freezing, a two-stage piston compressor which can operate efficiently under low-temperature working conditions is needed.
The single piston compressor realizes that the doublestage compression is comparatively difficult by the structural constraint, and compared, two piston compressors realize that the double-machine doublestage compression is simpler, and first-stage compressor adopts common half direct suction mode to breathe in from the casing, and the one-level compression is discharged and is got into second stage compressor suction channel, and the second stage compressor adopts the direct suction mode to breathe in, discharges gas outside the shell after the second stage compression. The silencer is needed to be arranged between the exhaust port of the first-stage compressor and the air suction port of the second compressor, and for the silencing structure, only the silencer is suitable for a single-unit single-stage system piston compressor, and the silencing structure which can be connected with the two compressors to realize double-stage compression and has an air supplementing function is not provided.
Disclosure of Invention
In view of this, the present invention provides a silencing apparatus, a compressor assembly and a refrigerator including the same, which are at least used for solving the technical problem that enthalpy increasing and air supplying cannot be performed between two stages of compressors in the prior art, and specifically:
in a first aspect, the present invention provides a silencing apparatus comprising:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed inside the shell;
the first partition plate and the second partition plate are arranged in the cavity and divide the cavity into an air inlet cavity, an air supplementing cavity and an air outlet cavity, vent holes are formed in the first partition plate and the second partition plate, the air inlet cavity is communicated with the air supplementing cavity through the vent holes in the first partition plate, and the air outlet cavity is communicated with the air supplementing cavity through the vent holes in the second partition plate;
still be provided with on the casing:
the air inlet connecting pipe is communicated with the air inlet cavity;
the air outlet connecting pipe is communicated with the air outlet cavity;
and the air supply connecting pipe is communicated with the air supply cavity.
Further optionally, the air inlet connecting pipe and the air supply connecting pipe are provided with airflow control structures for controlling the air inlet connecting pipe and the air supply connecting pipe to only admit air and not exhaust air.
Further optionally, the airflow control structure is a valve plate, the valve plate includes a fixing portion and a blocking portion, the blocking portion is connected to the fixing portion,
the fixing part is used for being fixedly connected to the air inlet connecting pipe or the air supply connecting pipe, the plugging part is used for opening the air inlet connecting pipe or the air supply connecting pipe when air flow opposite to the air flow acts on the air inlet connecting pipe or the air supply connecting pipe, and the plugging part is used for closing the air inlet connecting pipe or the air supply connecting pipe when the air flow opposite to the air flow acts on the air flow.
Further optionally, the valve plate is configured as a sheet structure, the fixing portion is elastically connected with the blocking portion, and the blocking portion can rotate relative to the fixing portion under the action of air flow, so that the valve plate is in an open state.
Further optionally, a part of the area on the first partition board is provided with the vent hole, a part of the area on the second partition board is provided with the vent hole,
the area of the first partition plate, which is provided with the vent holes, and the area of the second partition plate, which is provided with the vent holes, are arranged in a staggered manner.
Further alternatively, the first and second baffles are identical in construction,
the first partition plate and the second partition plate are arranged in the cavity in a central symmetry mode.
Further optionally, the housing comprises an air inlet end cover, a middle housing and an air outlet end cover, the middle housing is configured as a cylindrical structure, the air inlet end cover and the air outlet end cover are sealed at two ends of the middle housing,
the air inlet connecting pipe is arranged on the air inlet end cover, the air supplementing connecting pipe is arranged on the middle shell, and the air outlet connecting pipe is arranged on the air outlet end cover.
Further optionally, the first baffle plate is embedded in the air inlet end cover and abuts against the end part of the middle shell,
the second clapboard is embedded into the air outlet end cover and abuts against the end part of the middle shell.
In a second aspect, the present invention provides a compressor assembly comprising a primary compression cylinder, a secondary compression cylinder and the above-mentioned noise reduction device,
the air inlet connecting pipe is communicated with the air inlet of the first-stage compression cylinder, the air inlet of the second-stage compressor is communicated with the air outlet connecting pipe, and the air supplementing connecting pipe is communicated with the air supplementing pipeline.
In a third aspect, the present invention provides a refrigerator comprising the above compressor assembly.
The air supplementing connecting pipeline is arranged on the silencer and can be communicated with the enthalpy-increasing air supplementing pipeline, so that the two-stage compressor can independently increase enthalpy and supplement air for the second-stage compression cylinder when the silencer is used between the first-stage compression cylinder and the second-stage compression cylinder of the two-stage compressor, the working modes of the compressor are enriched, and the silencer is suitable for different working scenes.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic diagram illustrating an explosive structure of a silencing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view showing an assembled state of a silencer according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a structure of a valve plate according to an embodiment of the invention;
FIG. 4 is a schematic view showing the structure of a first separator according to the embodiment of the present invention;
fig. 5 shows a schematic structural view of a compressor assembly according to an embodiment of the present invention.
In the figure:
10. a middle housing; 11. a gas supply connecting pipe; 20. an air inlet end cover; 21. an air inlet connecting pipe; 30. an air outlet end cover; 31. an air outlet connecting pipe; 4. a connecting portion; 41. a first separator; 42. a second separator; 43. a vent hole; 5. mounting grooves; 50. a valve plate; 51. a fixed part; 52. a plugging section; 61. a first stage compression cylinder; 611. a primary exhaust pipe; 612. a primary air suction pipe; 63. a gas supply pipeline; 62. a secondary compression cylinder; 621. a secondary air suction pipe; 622. and a secondary exhaust pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "the plural" typically includes at least two, but does not exclude the presence of at least one.
It should be understood that the term "and/or" as used herein is merely a relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B, may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article of commerce or system in which the element is comprised.
The silencer is simultaneously provided with the air inlet connecting pipe, the air outlet connecting pipe and the air supplementing connecting pipe, can be used for an exhaust channel of a first-stage compression cylinder and an air suction channel of a second-stage compression cylinder of a double-machine double-stage compressor, can be used for supplementing air and increasing enthalpy of the second-stage compression cylinder, and enables the second-stage compression cylinder to independently operate so as to meet the requirements of different refrigerating capacities of a refrigerator.
In particular, the method comprises the following steps of,
as shown in fig. 1 and 2, the present invention provides a silencer device, including: the gas-liquid separator comprises a shell, wherein a cavity is formed in the shell, and a gas inlet connecting pipe 21, a gas outlet connecting pipe 31 and a gas supplementing connecting pipe 11 which are communicated with the cavity are arranged on the shell. The cavity is internally provided with a first clapboard 41 and a second clapboard 42, a certain distance is arranged between the first clapboard 41 and the second clapboard 42, the cavity is divided into an air inlet cavity, an air supplementing cavity and an air outlet cavity, the first clapboard 41 and the second clapboard 42 are provided with vent holes 43, the air inlet cavity is communicated with the air supplementing cavity through the vent holes 43 on the first clapboard 41, and the air outlet cavity is communicated with the air supplementing cavity through the vent holes 43 on the second clapboard 42. The air inlet connecting pipe 21 is communicated with the air inlet cavity, the air outlet cavity is communicated with the air outlet connecting pipe 31, and the flow path of the air in the shell comprises: the air enters the air inlet cavity from the air inlet connecting pipe 21, then enters the air replenishing cavity through the vent holes 43 on the first partition plate 41, enters the air outlet cavity through the vent holes 43 on the second partition plate 42, and finally is discharged through the air outlet connecting pipe 31; or, the air supply connecting pipe 11 enters the air supply cavity, enters the air outlet cavity through the vent hole 43 on the second partition plate 42, and finally is discharged through the air outlet connecting pipe 31.
Make it can be used for providing the enthalpy-increasing tonifying qi to the compressor through setting up tonifying qi connecting pipe 11, can be applicable to double stage compressor to make double stage compressor can move second grade compression cylinder alone, thereby richen the operational mode of compressor, in order to adapt to different refrigeration demands.
The air inlet connecting pipe 21 and the air supply connecting pipe 11 are provided with airflow control structures for controlling the first exhaust pipe and the air supply connecting pipe 11 to only intake air but not exhaust air, namely, the airflow control structures enable the inside of the air inlet connecting pipe 21 and the inside of the air supply connecting pipe 11 to be unidirectional airflow.
Preferably, the airflow control structure is a valve plate 50 disposed at the outlet ends of the air inlet connection pipe 21 and the air supplement connection pipe 11, the valve plate 50 includes a fixing portion 51 and a blocking portion 52, the blocking portion 52 is connected to the fixing portion 51, the fixing portion 51 is used for being fixedly connected to the air inlet connection pipe 21 or the air supplement connection pipe 11, the blocking portion 52 is used for opening the air inlet connection pipe 21 or the air supplement connection pipe 11 when an intake airflow acts thereon, and closing the air inlet connection pipe 21 or the air supplement connection pipe 11 when an airflow opposite to the intake airflow acts thereon. Specifically, when gas flows into the gas inlet connecting pipe 21 or the gas supplementing connecting pipe 11, the blocking part 52 is separated from the outlet end of the gas inlet connecting pipe 21 or the gas supplementing connecting pipe 11 under the action of the gas flow, so that the outlet is opened, and the gas flow can flow into the gas inlet cavity or the gas supplementing cavity; when there is no intake airflow in the intake connecting pipe 21 or the gas-supplementing connecting pipe 11, or the acting force of the airflow in the intake connecting pipe 21 or the gas-supplementing cavity on the blocking portion 52 is smaller than the acting force of the gas in the intake cavity or the gas-supplementing cavity on the blocking portion 52, under the acting force of the gas in the intake cavity or the gas-supplementing cavity, the blocking portion 52 closes the outlet end of the intake connecting pipe 21 or the gas-supplementing connecting pipe 11.
Preferably, the valve sheet 50 is configured as a sheet structure, the fixing portion 51 and the blocking portion 52 are elastically connected, the blocking portion 52 can rotate relative to the fixing portion 51 under the action of the airflow to enable the valve sheet to be in an open state, the joint of the blocking portion 52 and the fixing portion 51 has elasticity, and the blocking portion 52 applies force to the joint to enable the joint to be elastically deformed under the action of the airflow, so that the blocking portion 52 can rotate relative to the fixing portion 51. As shown in fig. 3, in a specific embodiment, the valve plate 50 is integrally configured as a circular sheet structure, an arc-shaped hole is initially formed on the circular sheet structure, preferably, the circle center of the circumference where the arc-shaped hole is located coincides with the circular shape of the valve plate 50, the radially inner portion of the arc-shaped hole forms the blocking portion 52, the radially outer portion of the arc-shaped hole forms the fixing portion 51, and the blocking portion 52 and the fixing portion 51 are connected at the portion where the arc-shaped hole does not extend. Preferably, the valve sheet 50 is made of a material having a certain elasticity, such as Sandvik Hiflex steel sheet, Sandvik 7C27Mo2, Sandvik 20C, etc.
Preferably, set up mounting groove 5 at the exit end of air inlet connection pipe 21, the internal diameter of mounting groove 5 is less than the terminal surface diameter of air inlet connection pipe 21, is greater than the interior warp of air inlet connection pipe 21, and valve block 50 is embedded into mounting groove 5, and fixed part 51 is fixed in mounting groove 5, for example can fix through modes such as interference fit, bonding, welding, riveting. The diameter of the blocking part 52 is larger than the inner diameter of the air inlet connecting pipe 21, when no air flows into the air inlet connecting pipe 21, the blocking part 52 blocks the outlet of the air inlet connecting pipe 21, when air enters the air inlet connecting pipe 21, the air flow pushes the blocking part 52 to rotate at a certain angle, so that the outlet of the air inlet connecting pipe 21 is opened, and the air can flow into the air inlet cavity. When air does not enter the air inlet connecting pipe 21, the blocking part 52 returns to the original position to block the outlet of the air inlet connecting pipe 21, and when the air pressure in the air inlet cavity is large (air is independently fed by the air feeding pipe), the air in the air inlet cavity acts on the blocking part 52 to tightly press the blocking part at the outlet end of the air inlet connecting pipe 21, so that the air is further prevented from flowing out of the air inlet connecting pipe 21.
Similarly, the outlet end of the air supply connection pipe 11 is also provided with an installation groove 5 with the same structure, and the installation and working modes of the valve plate 50 are the same as those of the valve plate 50 on the air inlet connection pipe 21, which is not described herein again.
Preferably, the air flow control structure may also replace the valve plate 50 by a check valve, which is disposed at the inlet end of the air inlet connection pipe and the air make-up connection pipe, and performs the same function.
Preferably, as shown in fig. 4, a part of the area of the first partition plate 41 is provided with the vent holes 43, a part of the area of the second partition plate 42 is provided with the vent holes 43, and the area of the first partition plate 41 where the vent holes 43 are provided is offset from the area of the second partition plate 42 where the through holes are provided.
Preferably, the first partition plate 41 and the second partition plate 42 are identical in structure, half of the area of each of the first partition plate 41 and the second partition plate 42 is provided with the vent hole 43, the first partition plate 41 and the second partition plate 42 are centrally and symmetrically arranged in the cavity, for example, the area of the first partition plate 41 provided with the vent hole 43 is located at the upper side, and the area of the second partition plate 42 provided with the vent hole 43 is located at the lower side; alternatively, the area of the first partition plate 41 where the vent holes 43 are provided may be located on the left side, the area of the second partition plate 42 where the vent holes 43 are provided may be located on the right side, and the like, and the vent holes 43 in the first partition plate 41 and the second partition plate 42 may be offset so that the air flow does not flow along a straight line, and the air flow may flow along a curved path through the first partition plate 41 and the second partition plate 42, whereby the air flow may be sufficiently guided, the buffering capacity may be increased, the flow rate may be reduced, and the noise reduction effect may be achieved.
The shell comprises an air inlet end cover 20, a middle shell 10 and an air outlet end cover 30, wherein the middle shell 10 is constructed into a cylindrical structure, preferably a cylindrical structure with two open ends, and the air inlet end cover 20 and the air outlet end cover 30 are covered at two ends of the middle shell 10. Preferably, the inner walls of the gas inlet end cover 20 and the gas outlet end cover 30 are both configured to be a curved surface structure such as a partial spherical surface or a partial ellipsoidal surface, so as to have a better flow guiding effect on gas flow, reduce resistance to gas flow, and play a certain role in noise reduction.
The air inlet connecting pipe 21 is disposed on the air inlet end cover 20, the air supplement connecting pipe 11 is disposed on the middle shell 10, and the air outlet connecting pipe 31 is disposed on the air outlet end cover 30. preferably, the air inlet connecting pipe 21 is integrally formed with the air inlet end cover 20, the air supplement connecting pipe 11 is integrally formed with the middle shell 10, and the air outlet connecting pipe 31 is integrally formed with the air outlet end cover 30, which may be integrally formed by injection molding or the like.
Preferably, the air inlet cover 20 is formed with a connecting portion 4 for connecting with the middle housing 10, the connecting portion 4 is configured as a flared structure formed by increasing the inner diameter size at the end of the air inlet cover 20, the end of the middle housing 10 can extend into the connecting portion 4 to form a sealing connection, and preferably, a sealing structure may be provided at the connecting portion, or a fixed connection may be performed by means of adhesion, and at the same time, the sealing is performed by adhesion.
The air outlet end cover 30 is provided with a connecting part 4 which is the same as that of the air inlet end cover 20, and the other end of the middle shell 10 extends into the connecting part 4 of the air outlet end cover 30 to form sealing connection with the air outlet end cover 30.
Further, the radial dimension of the first partition plate 41 is smaller than the radial dimension of the connecting portion 4 on the inlet end cover 20 and the outlet end cover 30, and is equal to or slightly smaller than the inner diameter of the middle housing 10, the first partition plate 41 is embedded into the connecting portion 4 of the inlet end cover 20, and is pressed by the middle housing 10 and the inlet end cover 20 for fixation, and the edge of the first partition plate 41 is in sealing contact with the inlet end cover 20 and/or the middle housing 10, so as to avoid air leakage, and allow air to flow through the vent holes 43 on the first partition plate 41. Similarly, the second partition plate 42 is inserted into the connecting portion 4 of the outlet end cap 30, and is pressed by the middle housing 10 and the outlet end cap 30 for fixing, and the edge of the second partition plate 42 is in sealing contact with the outlet end cap 30 and/or the middle housing 10, so as to prevent air leakage, and allow air to flow through the vent holes 43 on the second partition plate 42.
The silencer has guide board inside to guide the gaseous refrigerant entering the silencer, and this results in raised buffering capacity, low air speed and high silencing and noise reducing effect.
The invention also provides a compressor component, as shown in fig. 5, the compressor is a double-machine double-stage compressor, namely, the compressor component comprises a first-stage compression cylinder 61 and a second-stage compression cylinder 62, the first-stage compression cylinder 61 and the second-stage compression cylinder 62 can simultaneously operate or the second-stage compression cylinder 62 independently operates, and the independent control of the temperature of the freezing and refrigerating compartments of the refrigerator system can be realized by adopting a gas supplementing and enthalpy increasing mode. The first-stage compression cylinder 61 and the second-stage compression cylinder 62 adopt a piston compression structure, and preferably, the first-stage compression cylinder 61 and the second-stage compression cylinder 62 have different models or belong to different series models.
The compressor assembly further comprises the above-mentioned silencer, the first-stage suction pipe 612 of the first-stage compression cylinder 61 is communicated with the air outlet of the refrigerant circulation loop, the first-stage exhaust pipe 611 of the first-stage compression cylinder 61 is communicated with the air inlet connection pipe 21 of the silencer, the second-stage suction pipe 621 of the second-stage compression cylinder 62 is communicated with the air outlet connection pipe 31, the second-stage exhaust pipe 622 of the second-stage compression cylinder 62 is communicated with the inlet of the refrigerant circulation loop, the air supplement connection pipe 11 is communicated with the air supplement pipe 63,
the compressor assembly of the invention reduces the arrangement of the exhaust silencing cavity of the first-stage compression cylinder 61 by arranging the silencing device, simplifies the cylinder seat structure, avoids complex suction and exhaust pipelines, and reduces the volume, the weight and the cost of the whole compressor.
Furthermore, the silencing device prompts the double-machine double-stage compressor to realize double-stage compression and air supply enthalpy increase, so that the low-temperature refrigerating capacity and high-load energy efficiency are improved, the operation range is wider, the operation is more reliable, and the effects of energy conservation and environmental protection are achieved.
The invention also provides a refrigerator, which comprises the compressor component, when the refrigerating and freezing chamber normally operates, the exhaust gas of the first-stage compression cylinder 61 reaches the second-stage suction pipe 621 of the second-stage compression cylinder 62 through the silencing device; when the freezing and refrigerating chamber operates at high load or operates the freezing chamber independently, the exhaust gas of the first-stage compression cylinder 61 is mixed with the gaseous refrigerant entering the air supply pipeline 63 in the silencing device and then reaches the second-stage suction pipe 621 of the second-stage compression cylinder 62 together; when the refrigerating compartment is operated alone, the gas refrigerant introduced into the air supply line 63 directly reaches the secondary suction pipe 621 of the secondary compressor.
In summary, the silencing device of the present invention is disposed between two compression cylinders of the two-stage compressor, and the air make-up connection pipe 11 is disposed, so that the two compression cylinders can operate simultaneously or independently, so as to achieve independent temperature control of the freezing and refrigerating compartments of the refrigerator system.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the disclosure is not limited to the precise construction, arrangements, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (9)
1. A muffler assembly for use between a first stage compression cylinder and a second stage compression cylinder of a two stage compressor, comprising:
the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed inside the shell;
the first clapboard and the second clapboard are arranged in the cavity and divide the cavity into an air inlet cavity, an air supplementing cavity and an air outlet cavity,
a part of the area of the first partition board is provided with a vent hole, a part of the area of the second partition board is provided with the vent hole,
the area of the first partition plate, where the vent holes are arranged, is staggered with the area of the second partition plate, where the vent holes are arranged, the air inlet cavity is communicated with the air supplementing cavity through the vent holes in the first partition plate, and the air outlet cavity is communicated with the air supplementing cavity through the vent holes in the second partition plate;
still be provided with on the casing:
the air inlet connecting pipe is communicated with the air inlet cavity;
the air outlet connecting pipe is communicated with the air outlet cavity;
and the air supply connecting pipe is communicated with the air supply cavity.
2. The silencer assembly of claim 1, wherein the air inlet connecting pipe and the air supply connecting pipe are provided with air flow control structures for controlling the air inlet connecting pipe and the air supply connecting pipe to allow air to enter and exhaust air.
3. The silencer of claim 2, wherein the flow control structure is a valve plate, the valve plate includes a fixing portion and a blocking portion, the blocking portion is connected to the fixing portion,
the sealing device comprises a fixing part and a plugging part, wherein the fixing part is used for being fixedly connected to the air inlet connecting pipe or the air supplementing connecting pipe, the plugging part is used for opening the air inlet connecting pipe or the air supplementing connecting pipe when an air inlet current acts, and the air inlet connecting pipe or the air supplementing connecting pipe is closed when an air current opposite to the air inlet current acts.
4. The silencer of claim 3, wherein the valve plate is configured as a sheet structure, the fixing portion is elastically connected with the blocking portion, and the blocking portion can rotate relative to the fixing portion under the action of airflow to enable the valve plate to be in an open state.
5. The acoustic abatement apparatus of claim 1, wherein the first partition and the second partition are identically constructed,
the first partition plate and the second partition plate are arranged in the cavity in a central symmetry mode.
6. The silencing apparatus according to any one of claims 1 to 5, wherein the housing comprises an inlet end cap, a middle housing and an outlet end cap, the middle housing is configured as a cylindrical structure, the inlet end cap and the outlet end cap are sealed at two ends of the middle housing,
the air inlet connecting pipe is arranged on the air inlet end cover, the air supply connecting pipe is arranged on the middle shell, and the air outlet connecting pipe is arranged on the air outlet end cover.
7. The muffler apparatus of claim 6, wherein the first baffle is embedded within the inlet end cap and abuts an end of the center housing,
the second clapboard is embedded into the air outlet end cover and abuts against the end part of the middle shell.
8. A compressor assembly comprising a primary compression cylinder, a secondary compression cylinder and the muffler assembly of any one of claims 1-7,
the air inlet connecting pipe is communicated with the air inlet of the first-stage compression cylinder, the air inlet of the second-stage compressor is communicated with the air outlet connecting pipe, and the air supplementing connecting pipe is communicated with the air supplementing pipeline.
9. A refrigerator comprising the compressor assembly of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520511.1A CN111810380B (en) | 2020-06-09 | 2020-06-09 | Silencing device, compressor assembly comprising same and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520511.1A CN111810380B (en) | 2020-06-09 | 2020-06-09 | Silencing device, compressor assembly comprising same and refrigerator |
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| Publication Number | Publication Date |
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| CN111810380A CN111810380A (en) | 2020-10-23 |
| CN111810380B true CN111810380B (en) | 2022-06-17 |
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| CN202010520511.1A Active CN111810380B (en) | 2020-06-09 | 2020-06-09 | Silencing device, compressor assembly comprising same and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112555251B (en) * | 2020-11-16 | 2022-05-27 | 芜湖三花制冷配件有限公司 | Gluing process for air conditioner refrigeration system accessories |
| CN112855491B (en) * | 2020-12-28 | 2023-07-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, refrigerator and control method |
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| CN111810380A (en) | 2020-10-23 |
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