CN215213840U - Air suction silencing cavity structure for totally-enclosed compressor - Google Patents

Air suction silencing cavity structure for totally-enclosed compressor Download PDF

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Publication number
CN215213840U
CN215213840U CN202121298440.1U CN202121298440U CN215213840U CN 215213840 U CN215213840 U CN 215213840U CN 202121298440 U CN202121298440 U CN 202121298440U CN 215213840 U CN215213840 U CN 215213840U
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chamber
air
cavity
silencing
pipeline
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CN202121298440.1U
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陈浠垚
黄强胜
万子尧
向伦峰
何梦婷
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Huangshi Donper Compressor Co Ltd
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Huangshi Donper Compressor Co Ltd
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Abstract

The utility model discloses a suction silencing cavity structure for a totally-enclosed compressor, which comprises an upper silencing chamber, wherein the upper side of the upper silencing chamber is connected with an air outlet pipeline, and the lower side of the upper silencing chamber is provided with a lower silencing chamber and an air supplementing cavity in parallel; a silencing pipe assembly fixedly mounted with the first partition plate is arranged in the lower silencing chamber, a gas supplementing pipeline extending into the gas supplementing cavity is arranged at the bottom of the gas supplementing cavity, an opening communicated with the outside is formed in the lower end of the gas supplementing pipeline, and the upper end of the gas supplementing pipeline is suspended in the gas supplementing cavity; a ventilation gap is formed between the upper end of the second partition plate and the first partition plate; the utility model discloses a set up the tonifying qi pipeline in the tonifying qi chamber, to directly breathing in amortization cavity structure, make the refrigerant in the compressor can be more quick from the tonifying qi pipeline in tonifying qi chamber enter into the amortization intracavity of breathing in to refrigeration that can be more quick promotes the refrigerating output of compressor.

Description

Air suction silencing cavity structure for totally-enclosed compressor
Technical Field
The utility model relates to compressor equipment technical field, concretely relates to amortization cavity structure of breathing in for totally closed compressor.
Background
The compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is the heart of a refrigeration system. The refrigeration cycle comprises a gas suction pipe, a motor, a piston, an exhaust pipe, a compression pipe, a condensation pipe, an expansion pipe, an evaporation pipe, a heat exchange pipe and a heat exchange pipe.
After the compressor is installed, refrigerant is filled into the shell of the compressor from the process pipe, the direct air suction silencing cavity is in a sealed state due to the fact that the corrugated pipe is attached to the shell, the refrigerant can only be sucked from four oil leakage holes of the silencing cavity in the first 5-7 minutes after the compressor is started, the oil leakage holes are small, the amount of sucked refrigerant in the period is small, the amount of refrigerant in the direct air suction silencing cavity is small, and accordingly the refrigerating efficiency of the compressor is low.
Chinese utility model with application number CN202021300123.4 discloses a muffler, a compressor and a refrigeration plant, which is specially adapted for 2020, 12 and 29, wherein the muffler includes: a first housing provided with an air inlet; the second casing is provided with an air outlet, the first casing and the second casing enclose a silencing cavity, and the air inlet and the air outlet are communicated with the silencing cavity. The muffler of the utility model is of a single muffling cavity structure, so that the resistance of the refrigerant in the muffling cavity is smaller in the air suction process of the compressor, the refrigerant flows more smoothly, the muffling performance is ensured, and the pressure loss of the refrigerant flowing is greatly reduced, thereby being beneficial to improving the refrigeration efficiency; however, in this solution, the refrigerant is sucked only through the oil leakage hole at the bottom of the muffler, and the amount of the refrigerant sucked in is small when the compressor is just started, which results in low refrigeration efficiency of the compressor.
Disclosure of Invention
The utility model aims at the problem that prior art exists, provide a amortization cavity structure of breathing in for totally closed compressor, to directly the amortization cavity structure of breathing in, through setting up the tonifying qi pipeline at the tonifying qi chamber, make the refrigerant in the compressor can be faster from the tonifying qi pipeline in tonifying qi chamber enter into the amortization intracavity of breathing in to refrigeration that can be faster promotes the refrigerating output of compressor.
In order to achieve the above object, the utility model adopts the following technical scheme:
a suction silencing cavity structure for a totally-enclosed compressor comprises an upper silencing chamber, wherein the upper side of the upper silencing chamber is connected with an air outlet pipeline, the lower side of the upper silencing chamber is provided with a lower silencing chamber and an air supplementing cavity in parallel, the lower silencing chamber, the air supplementing cavity and the upper silencing chamber are separated by a first partition plate, the lower silencing chamber and the air supplementing cavity are separated by a second partition plate, and the right side of the lower silencing chamber is connected with the air inlet pipeline; a silencing pipe assembly fixedly mounted with the first partition plate is arranged in the lower silencing chamber, the other end of the silencing pipe assembly is arranged in the lower silencing chamber in a hanging manner, an air replenishing pipeline extending into the air replenishing cavity is arranged at the bottom of the air replenishing cavity, an opening communicated with the outside is arranged at the lower end of the air replenishing pipeline, and the upper end of the air replenishing pipeline is arranged in the air replenishing cavity in a hanging manner; and a ventilation gap is formed between the upper end of the second partition plate and the first partition plate.
In the scheme, the air outlet pipeline of the air suction and sound deadening cavity is connected with the pressure cavity of the air cylinder of the compressor, when the air cylinder sucks air, refrigerant gas firstly enters the air cylinder after being treated by the air suction and sound deadening cavity, and the air suction and sound deadening cavity is used for gently treating the sucked refrigerant gas so as to reduce air suction noise;
the principle of the compressor for avoiding suction overheating is that a suction pipe of the compressor is directly connected with a silencing cavity and does not directly contact high temperature in the compressor;
the key invention point of the application is that the air supplement pipeline is arranged in the air supplement cavity, so that the refrigerant in the compressor can enter the air suction silencing cavity from the air supplement pipeline of the air supplement cavity more quickly;
compared with the prior art that the refrigerant is introduced only through the oil leakage hole, the air supplementing pipeline is arranged in the air supplementing cavity, so that the refrigerant in the compressor can rapidly enter the air suction silencing cavity from the air supplementing pipeline of the air supplementing cavity and is used for system circulation and rapid refrigeration, and the refrigerating capacity is improved;
the ventilation gap is used for facilitating the refrigerant of the air supplement cavity to flow into the lower sound-deadening chamber.
Furthermore, the diameter of the air supply pipeline is 4-9 mm, and the length of the air supply pipeline is 8-18 mm. By adapting the length and diameter of the air supply line in practice, excessive noise during inspiration can be avoided.
Furthermore, a first oil leakage hole is formed in the bottom of the lower silencing chamber. The first oil leakage hole is used for discharging lubricating oil in the lower silencing chamber to the outside of the air suction silencing cavity on one hand, and enabling refrigerant to enter the air suction silencing cavity on the other hand.
Furthermore, the end part of the air inlet pipeline is connected with a corrugated pipe which is hermetically connected with the compressor shell.
Furthermore, the hush pipe assembly comprises a first hush pipe and a second hush pipe, the first hush pipe is a straight pipe, and the second hush pipe is a bent pipe.
Further, the up end of first baffle sets up the round boss perpendicularly, the boss encloses to be located around the last port of amortization pipe subassembly, the upside of boss is equipped with the micropore spacer, the peripheral edge of micropore spacer with the boss passes through pin fixed connection. The microporous diaphragm is used for gently processing the pulse air flowing out of the silencing pipe assembly.
Further, a second oil leakage hole is formed in the part, located in the air supply cavity, of the first partition plate. The second oil leakage hole is used for discharging the lubricating oil in the upper silencing chamber to the air supplementing chamber and then discharging the lubricating oil to the outside through the oil leakage hole of the air supplementing chamber.
Furthermore, the circumferential side wall of the lower sound-deadening chamber and the air-supplementing chamber is provided with a circle of connecting insertion plate, the circumferential side wall of the upper sound-deadening chamber is provided with connecting insertion slots in interference fit with the connecting insertion plates, and the lower sound-deadening chamber, the air-supplementing chamber and the upper sound-deadening chamber are detachably mounted.
Compared with the prior art, the beneficial effects of the utility model are that:
through setting up the tonifying qi pipeline at the tonifying qi chamber, only let in the refrigerant through the oil leak hole among the prior art, make the refrigerant in the compressor can be faster from the tonifying qi pipeline in tonifying qi chamber enter into the amortization intracavity of breathing in for system's circulation, faster refrigeration, what promote is the refrigeration capacity.
Drawings
FIG. 1 is a schematic view of a suction muffler chamber structure for a totally enclosed compressor according to the present invention;
FIG. 2 is a cross-sectional view of a suction muffler chamber structure for a totally enclosed compressor according to the present invention;
FIG. 3 is a cross-sectional view of the upper muffler chamber of the present invention;
FIG. 4 is a cross-sectional view of the lower muffling chamber of the present invention;
in the figure: 1. an upper silencing chamber; 2. an air outlet pipe; 3. a lower anechoic chamber; 4. an air supplement cavity; 5. a first separator; 6. a second separator; 7. an air intake duct; 8. a gas supply pipeline; 9. a vent gap; 10. a first oil leak hole; 11. a bellows; 12. a first silencer duct; 13. a second muffler pipe; 14. a boss; 15. a microporous separator; 16. connecting the plugboards; 17. and connecting the slot.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "horizontal", "vertical", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, a suction muffler cavity structure for a totally enclosed compressor comprises an upper muffler chamber 1, wherein the upper side of the upper muffler chamber 1 is connected with an air outlet pipeline 2, the lower side of the upper muffler chamber 1 is provided with a lower muffler chamber 3 and an air supplement cavity 4 in parallel, the lower muffler chamber 3, the air supplement cavity 4 and the upper muffler chamber 1 are separated by a first partition plate 5, the lower muffler chamber 3 and the air supplement cavity 4 are separated by a second partition plate 6, and the right side of the lower muffler chamber 3 is connected with an air inlet pipeline 7; a silencing pipe assembly fixedly mounted with the first partition plate 5 is arranged in the lower silencing chamber 3, the other end of the silencing pipe assembly is arranged in the lower silencing chamber 3 in a hanging manner, an air supplementing pipeline 8 extending into the air supplementing chamber 4 is arranged at the bottom of the air supplementing chamber 4, an opening communicated with the outside is arranged at the lower end of the air supplementing pipeline 8, and the upper end of the air supplementing pipeline 8 is arranged in the air supplementing chamber 4 in a hanging manner; a ventilation gap 9 is arranged between the upper end of the second clapboard 6 and the first clapboard 5.
In the scheme, the air outlet pipeline 2 of the air suction and sound deadening cavity is connected with a pressure cavity of an air cylinder of the compressor, when the air cylinder sucks air, refrigerant gas firstly passes through the air suction and sound deadening cavity and then enters the air cylinder, and the air suction and sound deadening cavity is used for gently treating the sucked refrigerant gas and reducing air suction noise;
the principle of the compressor for avoiding suction overheating is that a suction pipe of the compressor is directly connected with a silencing cavity and does not directly contact high temperature in the compressor;
the key invention point of the application is that the air supplement pipeline 8 is arranged in the air supplement cavity 4, so that the refrigerant in the compressor can enter the air suction silencing cavity from the air supplement pipeline 8 of the air supplement cavity 4 more quickly;
compared with the prior art that the refrigerant is introduced only through the oil leakage hole, the air supplementing pipeline 8 is arranged in the air supplementing cavity 4, so that the refrigerant in the compressor can rapidly enter the air suction silencing cavity from the air supplementing pipeline 8 of the air supplementing cavity 4 and is used for system circulation and rapid refrigeration, and the refrigeration capacity is improved;
the ventilation gap 9 is used to facilitate the flow of the refrigerant of the air replenishing chamber 4 into the lower sound-deadening chamber 3.
Further, the diameter of the air supply pipeline 8 is 4-9 mm, and the length of the air supply pipeline 8 is 8-18 mm. By adapting the length and diameter of the air supply line 8 in practice, excessive noise during inspiration can be avoided.
Further, a first oil leakage hole 10 is formed in the bottom of the lower muffling chamber 3. The first oil leak hole 10 is used to discharge the lubricating oil in the lower muffler chamber 3 to the outside of the suction muffler chamber and to allow the refrigerant to enter the suction muffler chamber.
Further, a corrugated pipe 11 hermetically connected with the compressor housing is connected to an end of the air inlet pipe 7.
Further, the silencing pipe assembly comprises a first silencing pipe 12 and a second silencing pipe 13, wherein the first silencing pipe 12 is a straight pipe, and the second silencing pipe 13 is a bent pipe.
Further, the upper end face of the first partition plate 5 is vertically provided with a circle of boss 14, the boss 14 is arranged around the upper end opening of the silencing pipe assembly in a surrounding mode, the upper side of the boss 14 is provided with a micropore partition sheet 15, and the periphery edge of the micropore partition sheet 15 is fixedly connected with the boss 14 through pins. The microporous spacer 15 serves to smooth the pulse air flowing out of the silencer duct assembly.
Further, a second oil leakage hole is formed in the portion of the first partition plate 5 located in the air supply chamber 4. The second oil leakage hole is used for discharging lubricating oil in the upper silencing chamber 1 to the air supplementing chamber 4 and then discharging the lubricating oil to the outside through the oil leakage hole of the air supplementing chamber 4.
Furthermore, the circumferential side walls of the lower sound-deadening chamber 3 and the air-supplementing chamber 4 are provided with a circle of connecting insertion plates 16, the circumferential side walls of the upper sound-deadening chamber 1 are provided with connecting insertion slots 17 in interference fit with the connecting insertion plates 16, and the lower sound-deadening chamber 3, the air-supplementing chamber 4 and the upper sound-deadening chamber 1 are detachably mounted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A suction silencing cavity structure for a totally-enclosed compressor is characterized by comprising an upper silencing chamber, wherein the upper side of the upper silencing chamber is connected with an air outlet pipeline, the lower side of the upper silencing chamber is provided with a lower silencing chamber and an air supplementing cavity in parallel, the lower silencing chamber, the air supplementing cavity and the upper silencing chamber are separated by a first partition plate, the lower silencing chamber and the air supplementing cavity are separated by a second partition plate, and the right side of the lower silencing chamber is connected with the air inlet pipeline; a silencing pipe assembly fixedly mounted with the first partition plate is arranged in the lower silencing chamber, the other end of the silencing pipe assembly is arranged in the lower silencing chamber in a hanging manner, an air replenishing pipeline extending into the air replenishing cavity is arranged at the bottom of the air replenishing cavity, an opening communicated with the outside is arranged at the lower end of the air replenishing pipeline, and the upper end of the air replenishing pipeline is arranged in the air replenishing cavity in a hanging manner; and a ventilation gap is formed between the upper end of the second partition plate and the first partition plate.
2. The air suction and noise reduction cavity structure for the totally-enclosed compressor as claimed in claim 1, wherein the diameter of the air supply pipeline is 4-9 mm, and the length of the air supply pipeline is 8-18 mm.
3. The structure of the suction muffler chamber for a hermetically sealed compressor as claimed in claim 1, wherein a first oil leakage hole is formed at a bottom of the lower muffler chamber.
4. The structure of the suction silencing cavity for the totally enclosed compressor as claimed in claim 1, wherein the end of the air inlet pipe is connected with a corrugated pipe hermetically connected with the compressor shell.
5. The structure of the suction muffler chamber for a totally enclosed compressor as claimed in claim 1, wherein said muffler pipe assembly comprises a first muffler pipe and a second muffler pipe, said first muffler pipe is a straight pipe, and said second muffler pipe is an elbow pipe.
6. The structure of the suction silencing cavity for the totally enclosed compressor as claimed in claim 1, wherein the upper end surface of the first partition board is vertically provided with a circle of boss, the boss is surrounded around the upper port of the silencing pipe assembly, the upper side of the boss is provided with a microporous spacer, and the peripheral edge of the microporous spacer is fixedly connected with the boss through a pin.
7. The structure of the suction muffler chamber for a hermetically sealed compressor as claimed in claim 1, wherein a portion of the first partition plate located in the air supply chamber is provided with a second oil leakage hole.
8. The structure of the air suction and noise reduction cavity for the totally enclosed compressor as claimed in claim 1, wherein the circumferential side walls of the lower noise reduction chamber and the air supplement cavity are provided with a circle of connecting insertion plate, the circumferential side wall of the upper noise reduction chamber is provided with connecting insertion slots which are in interference fit with the connecting insertion plates, and the lower noise reduction chamber, the air supplement cavity and the upper noise reduction chamber are detachably mounted.
CN202121298440.1U 2021-06-10 2021-06-10 Air suction silencing cavity structure for totally-enclosed compressor Active CN215213840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121298440.1U CN215213840U (en) 2021-06-10 2021-06-10 Air suction silencing cavity structure for totally-enclosed compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121298440.1U CN215213840U (en) 2021-06-10 2021-06-10 Air suction silencing cavity structure for totally-enclosed compressor

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CN215213840U true CN215213840U (en) 2021-12-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046487A1 (en) * 2022-08-31 2024-03-07 安徽美芝制冷设备有限公司 Suction muffler, compressor, and electrical device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046487A1 (en) * 2022-08-31 2024-03-07 安徽美芝制冷设备有限公司 Suction muffler, compressor, and electrical device

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