Compressor and air conditioner

Abstract

The present invention provides a compressor and an air conditioner. The compressor includes: a compressor housing, which has an integrally formed protruding portion. A liquid separation cavity is formed inside the protruding portion. The protruding portion has an intake pipe communicating with the liquid separation cavity. A liquid separation pipe is disposed inside the liquid separation cavity, and the liquid separation pipe connects the liquid separation cavity with the suction port of the pump body assembly inside the compressor housing. This effectively reduces the overall volume of the compressor and significantly reduces the assembly space of the compressor system, which is beneficial to the small and compact design of the air-conditioning system. Part of the heat released inside the compressor housing can heat the refrigerant in the liquid separation cavity, reducing the risk of liquid carryover in the suction of the pump body assembly inside the compressor housing, improving the performance and reliability of the compressor under low-temperature or ultra-low-temperature conditions. At the same time, part of the heat released inside the compressor housing dissipates to the external environment, preventing overheating of the refrigerant in the liquid separation cavity.

Description

Technical Field

[0001] The present invention belongs to the technical field of refrigeration equipment, and particularly relates to a compressor and an air conditioner. Background Art

[0002] A conventional rolling piston compressor mainly consists of two major parts: a compressor body and a liquid receiver. Among them, the liquid receiver mainly consists of an intake pipe, a filter screen and a filter screen support, a liquid receiver housing, a straight pipe and an outlet elbow pipe. The compressor body mainly consists of a pump body assembly, a motor assembly, an upper cover, a housing and a lower cover. The housing and the upper and lower covers cooperate to form a sealed structure, and the pump body assembly and the motor assembly are assembled inside the housing. The liquid receiver is arranged on one side of the compressor body and is fixed on a liquid receiver support on the housing of the compressor body through a liquid receiver pressing plate. Its intake pipe is connected to the system pipeline, and the outlet elbow pipe is connected to the pump suction port of the compressor body. Driven by the motor, the compressor pump body rotates to suck and compress to generate high-temperature and high-pressure refrigerating gas, which enters the system pipeline through the compressor outlet pipe. After being condensed and evaporated by the system pipeline and transformed into low-temperature and low-pressure gas, it then enters the liquid receiver through the liquid receiver intake pipe. After being filtered by the liquid receiver filter screen, it flows through the liquid receiver straight pipe and the outlet elbow pipe and enters the compressor pump body, realizing the periodic cyclic working process of the compressor and the system pipeline.

[0003] The liquid receiver of the above-mentioned conventional rotary compressor and the compressor body are mutually independent and separated components, occupying a large space, which is not conducive to the development of miniaturization and compactness of the air-conditioning system. On the other hand, for low-temperature, especially ultra-low-temperature harsh working conditions, the liquid content of the refrigerant gas flowing through the liquid receiver is too large, causing the compressor pump body to suck liquid, thereby resulting in a decrease in the compressor capacity and reliability problems such as liquid pressing.

[0004] In addition, for an existing compressor, its housing includes an outer housing and an inner housing. The outer housing surrounds the inner housing, and the outer housing and the inner housing are welded and sealed into one body, forming a cavity with a gas-liquid separation function between the inner and outer housings. However, this technical solution will cause relatively serious welding deformation of the inner housing and is not easy to shape through the surrounding welding and assembly of the inner and outer housings, affecting the normal assembly of the motor assembly and the pump body assembly inside the inner housing. The processing technology and assembly are relatively complex, and the implementation difficulty is relatively large.

[0005] For another existing compressor, its housing includes an inner housing and an outer housing. The cross-sections of the inner housing and the outer housing are both circular rings. The inner housing, the outer housing, the top cover and the bottom cover are integrally formed to form a liquid receiver sealing cavity. This technical solution has a complex processing technology, and through the fitting of the inner circular housing, it is extremely easy to cause overheating of the refrigerant medium in the liquid receiver by the high-temperature environment inside the inner housing, resulting in serious suction overheating and causing a decrease in the energy efficiency of the compressor. Summary of the Invention

[0006] Therefore, the present invention provides a compressor and an air conditioner, which can solve the problems that the accumulator of a conventional rotary compressor and the compressor body are independent and separated components, occupying a large space, and when operating under low temperature, especially extremely low temperature and harsh working conditions, the liquid content of the refrigerant gas flowing through the accumulator is too large, causing liquid entrainment in the suction of the compressor pump body, resulting in a decrease in the compressor capacity and reliability problems such as liquid pressing.

[0007] To solve the above problems, the present invention provides a compressor, including:

[0008] A compressor housing, on which there is a protrusion protruding from its outer wall surface. The protrusion is integrally formed on the compressor housing, and a liquid separation cavity is constructed inside the protrusion. The protrusion has an intake pipe communicating with the liquid separation cavity, and a liquid separation pipe is arranged inside the liquid separation cavity. The liquid separation pipe communicates the liquid separation cavity with the suction port of the pump body assembly inside the compressor housing.

[0009] In some embodiments,

[0010] The compressor housing includes a cylinder body, and the protrusion is integrally formed on a part of the circumferential wall surface of the cylinder body.

[0011] In some embodiments,

[0012] The liquid separation cavity has an opening on any surface not adjacent to the cylinder body. The opening has a mating surface, and a cover plate capable of closing the opening is arranged on the mating surface.

[0013] In some embodiments,

[0014] A first circumferential groove is arranged on the part of the mating surface that mates with the cover plate, and a sealing gasket is arranged in the first circumferential groove; and / or, a second circumferential groove is arranged on the part of the cover plate that mates with the mating surface, and a sealing gasket is arranged in the second circumferential groove.

[0015] In some embodiments,

[0016] The liquid separation pipe includes a straight pipe and an outlet elbow arranged in the liquid separation cavity. The straight pipe is communicated with one end of the outlet elbow, and the other end of the outlet elbow penetrates through the cylinder body and is connected to the suction port of the pump body assembly.

[0017] In some embodiments,

[0018] A filter screen support is arranged on the inner wall of the liquid separation cavity at a position between the straight pipe and the intake pipe, and a filter screen is arranged on the filter screen support.

[0019] In some embodiments,

[0020] There is a heat conducting member in the liquid separation cavity, and one surface of the heat conducting member is detachably connected to the outer wall of the cylinder body.

[0021] In some embodiments,

[0022] One side of the heat conducting member facing the outer wall of the cylinder is an arc matching the outer wall of the cylinder, and the other side is a flat structure. The cover plate and the outer wall of the cylinder can clamp the heat conducting member.

[0023] In some embodiments,

[0024] The heat conducting member includes a base body and a plurality of spaced-apart heat conducting columns provided on the base body. The base body cooperates with the cylinder, and the ends of the heat conducting columns abut against the cover plate and can be deformed under the pressure of the cover plate.

[0025] The present invention further provides an air conditioner, including the above-mentioned compressor.

[0026] For a compressor provided by the present invention, the compressor housing and the protruding part are of an integral structure, effectively reducing the overall volume of the compressor, greatly reducing the assembly space of the compressor system, and being beneficial to the small and compact design of the air conditioning system; in addition, part of the heat released in the compressor housing can heat the refrigerant in the liquid separation cavity, reducing the risk of liquid carry-over in the suction of the pump body assembly in the compressor housing, greatly improving the capacity and reliability of the compressor under low-temperature or ultra-low-temperature working conditions. At the same time, part of the heat released in the compressor housing is dissipated to the external environment, avoiding overheating of the refrigerant medium in the liquid separation cavity, thereby causing serious suction overheating and resulting in a decrease in the energy efficiency of the compressor.

[0027] The protruding part is integrally formed on the compressor housing, avoiding the problems that the welding deformation of the compressor housing is serious and not easy to shape, affecting the normal assembly of the motor assembly and the pump body assembly in the compressor housing, resulting in complex processing technology and assembly, and great difficulty in implementation.

[0028] In addition, the air conditioner provided by the present invention is manufactured based on the above compressor. For the beneficial effects of the air conditioner, please refer to the beneficial effects of the above compressor. Description of the Drawings

[0029] Figure 1 It is a schematic internal structure diagram of the compressor according to an embodiment of the present invention;

[0030] Figure 2 It is a schematic disassembled structure diagram of the compressor according to an embodiment of the present invention.

[0031] The reference numerals are shown as:

[0032] 11. Cylinder; 12. Pump body assembly; 13. Upper cover; 14. Lower cover; 15. Motor assembly; 16. Air outlet pipe; 21. Liquid separation cavity; 22. Matching surface; 23. Cover plate; 24. First circumferential groove; 25. Straight pipe; 26. Air outlet elbow; 27. Air inlet pipe; 28. Filter screen support; 29. Filter screen; 30. Connecting piece; 31. Sealing gasket. Detailed Embodiments

[0033] Refer to in combinationFigures 1 to 2 As shown, according to an embodiment of the present invention, a compressor is provided, including:

[0034] A compressor housing, on which there is a protruding portion protruding from its outer wall surface. The protruding portion is integrally formed on the compressor housing. A liquid separation chamber 21 is configured inside the protruding portion. The protruding portion has an intake pipe 27 communicating with the liquid separation chamber 21. A liquid separation pipe is provided inside the liquid separation chamber 21, and the liquid separation pipe connects the liquid separation chamber 21 with the suction port of the pump assembly 12 inside the compressor housing.

[0035] The compressor housing of this embodiment has a protruding portion protruding from its outer wall surface. The protruding portion is integrally formed on the compressor housing. Specifically, the protruding portion can be integrally formed on a part of the circumferential wall surface of the compressor housing. A liquid separation chamber 21 is configured inside the protruding portion. The protruding portion has an intake pipe 27 communicating with the liquid separation chamber 21. The intake pipe 27 is inserted on the protruding portion. One end of the intake pipe 27 extends into the interior of the liquid separation chamber 21, and the other end of the intake pipe 27 is connected to the refrigeration cycle pipeline. A liquid separation pipe is provided inside the liquid separation chamber 21, and the liquid separation pipe connects the liquid separation chamber 21 with the suction port of the pump assembly 12 inside the compressor housing. Since the compressor housing and the protruding portion of this embodiment are of an integral structure, the overall volume of the compressor is effectively reduced, and the assembly space of the compressor system is greatly reduced, which is beneficial to the small and compact design of the air-conditioning system; in addition, part of the heat released inside the compressor housing can heat the refrigerant in the liquid separation chamber 21, reducing the risk of liquid carryover in the suction of the pump assembly 12 inside the compressor housing, greatly improving the performance and reliability of the compressor under low-temperature or ultra-low-temperature working conditions. At the same time, part of the heat released inside the compressor housing is dissipated to the external environment, avoiding overheating of the refrigerant medium in the liquid separation chamber 21, which may cause serious suction overheating and lead to a decrease in the energy efficiency of the compressor.

[0036] The protruding portion is integrally formed on the compressor housing, avoiding the problem that the welding deformation of the compressor housing is serious and not easy to shape, affecting the normal assembly of the motor assembly 15 and the pump assembly 12 inside the compressor housing, resulting in complex processing technology and assembly and great difficulty in implementation.

[0037] In some embodiments,

[0038] The compressor housing includes a cylinder body 11, and the protruding portion is integrally formed on a part of the circumferential wall surface of the cylinder body 11.

[0039] This structure in which the cylinder body 11 and the protruding portion are integrally formed is easy to process due to its simple structure. At the same time, it also avoids the problem that serious welding deformation and not easy to shape occur when welding the cylinder body 11 and the protruding portion, affecting the normal assembly of the motor assembly 15 and the pump assembly 12 inside the cylinder body 11, resulting in complex processing technology and assembly and great difficulty in implementation.

[0040] In some embodiments,

[0041] Any surface of the liquid separation cavity 21 that is not adjacent to the cylinder body 11 has an opening, and the opening has a mating surface 22. A cover plate 23 capable of closing the opening is provided on the mating surface 22.

[0042] In this embodiment, any surface of the liquid separation cavity 21 that is not adjacent to the cylinder body 11 has an opening, and the opening has a mating surface 22. A cover plate 23 capable of closing the opening is provided on the mating surface 22, which facilitates the installation of various components inside the liquid separation cavity 21 and makes it more convenient to repair and replace parts later.

[0043] In some embodiments,

[0044] A first circumferential groove 24 is provided on the part of the mating surface 22 that mates with the cover plate 23, and a sealing gasket 31 is provided in the first circumferential groove 24; and / or, a second circumferential groove is provided on the part of the cover plate 23 that mates with the mating surface 22, and a sealing gasket 31 is provided in the second circumferential groove.

[0045] In this embodiment, a first circumferential groove 24 is provided on the part of the mating surface 22 that mates with the cover plate 23, and a sealing gasket 31 is provided in the first circumferential groove 24; and / or, a second circumferential groove is provided on the part of the cover plate 23 that mates with the mating surface 22, and a sealing gasket 31 is provided in the second circumferential groove, so as to improve the sealing performance between the mating surface 22 and the cover plate 23.

[0046] In some embodiments,

[0047] The liquid separation pipe includes a straight pipe 25 and an outlet elbow pipe 26 disposed in the liquid separation cavity 21. One end of the straight pipe 25 is communicated with one end of the outlet elbow pipe 26, and the other end of the outlet elbow pipe 26 penetrates through the cylinder body 11 and is communicated with the suction port of the pump body assembly 12.

[0048] The liquid separation pipe of this embodiment includes a straight pipe 25 and an outlet elbow pipe 26 disposed in the liquid separation cavity 21. One end of the straight pipe 25 is communicated with one end of the outlet elbow pipe 26, and the other end of the outlet elbow pipe 26 penetrates through the cylinder body 11 and is communicated with the suction port of the pump body assembly 12, so as to convey the gaseous refrigerant separated in the liquid separation cavity 21 into the pump body assembly 12.

[0049] In some embodiments,

[0050] A filter screen support 28 is provided on the inner wall of the liquid separation cavity 21 at a position between the straight pipe 25 and the intake pipe 27, and a filter screen 29 is provided on the filter screen support 28.

[0051] In this embodiment, a filter screen support 28 is provided on the inner wall of the liquid separation cavity 21 at a position between the straight pipe 25 and the intake pipe 27, and a filter screen 29 is provided on the filter screen support 28. The refrigerant flowing out of the intake pipe 27 is filtered by the filter screen 29.

[0052] In some embodiments,

[0053] A heat conducting member is provided in the liquid separation chamber 21, and one side of the heat conducting member is detachably connected to the outer wall of the cylinder body 11.

[0054] In this embodiment, a heat conducting member is provided in the liquid separation chamber 21, and one side of the heat conducting member is detachably connected to the outer wall of the cylinder body 11. On the one hand, it improves the problem of uneven temperature in the liquid separation chamber 21 and enhances the liquid separation ability of the liquid separation chamber 21. On the other hand, it is convenient for installation and disassembly. The heat conducting member can be a structure such as heat conducting fins.

[0055] In some embodiments,

[0056] The side of the heat conducting member facing the outer wall of the cylinder body 11 is an arc matching the outer wall of the cylinder body 11, and the other side is a flat structure. The cover plate 23 and the outer wall of the cylinder body 11 can clamp the heat conducting member.

[0057] In this embodiment, the side of the heat conducting member facing the outer wall of the cylinder body 11 is an arc matching the outer wall of the cylinder body 11, and the other side is a flat structure. The cover plate 23 and the outer wall of the cylinder body 11 can clamp the heat conducting member, which is convenient for the installation of the heat conducting member. In addition, the heat conducting member and the cylinder body can be processed separately, reducing the processing difficulty.

[0058] In some embodiments,

[0059] The heat conducting member includes a base body and a plurality of spaced-apart heat conducting columns provided on the base body. The base body cooperates with the cylinder body 11, and the ends of the heat conducting columns abut against the cover plate 23 and can be deformed under the pressure of the cover plate 23.

[0060] In this embodiment, the heat conducting member includes a base body and a plurality of spaced-apart heat conducting columns provided on the base body. The base body cooperates with the cylinder body 11, and the cylinder body 11 can heat the base body better. The plurality of spaced-apart heat conducting columns on the base body can uniformly heat the liquid separation chamber 21 and enhance the liquid separation ability of the liquid separation chamber 21.

[0061] The ends of the heat conducting columns abut against the cover plate 23 and can be deformed under the pressure of the cover plate 23, realizing reliable clamping and positioning of the heat conducting member.

[0062] In some embodiments,

[0063] The compressor housing further includes an upper cover 13 and a lower cover 14. The upper cover 13 and the lower cover 14 are respectively disposed at both axial ends of the cylinder body 11. An electric motor assembly 15 is further provided in the cylinder body 11, and the electric motor assembly 15 is connected to the pump body assembly 12 through a crankshaft.

[0064] The compressor housing of this embodiment further includes an upper cover 13 and a lower cover 14. The upper cover 13 and the lower cover 14 are respectively disposed at both axial ends of the cylinder 11 to form the inner cavity of the compressor housing. An electric motor assembly 15 is also provided in the cylinder 11. The electric motor assembly 15 is connected to the pump body assembly 12 through a crankshaft to output power to the pump body assembly 12.

[0065] In some embodiments,

[0066] The upper cover 13 is communicated with an air outlet pipe 16, and the air outlet pipe 16 is communicated with the refrigeration cycle pipeline.

[0067] The upper cover 13 of this embodiment is communicated with an air outlet pipe 16, and the air outlet pipe 16 is communicated with the refrigeration cycle pipeline to convey the refrigerant compressed by the compressor to the refrigeration cycle pipeline.

[0068] In some embodiments,

[0069] The cover plate 23 is fixed on the mating surface 22 through a connecting member 30; or, the cover plate 23 is welded on the mating surface 22.

[0070] The cover plate 23 of this embodiment is fixed on the mating surface 22 through a connecting member 30. The connecting member 30 can be a screw, etc.; or, the cover plate 23 is welded on the mating surface 22. In actual installation, it can be flexibly selected according to specific needs to meet various requirements of customers.

[0071] The present invention is not limited to the compressor in the embodiment, and is equally applicable to heat pump devices and other fluid machines with similar structures.

[0072] The present invention also provides an air conditioner, including the above-mentioned compressor.

[0073] It is easy for those skilled in the art to understand that, on the premise of no conflict, the advantageous technical features of the above-mentioned various methods can be freely combined and superimposed.

[0074] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. The above is only the preferred implementation manner of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A compressor, characterized in that, Comprising: A compressor housing having a protrusion protruding from its outer wall surface. The protrusion is integrally formed on the compressor housing, and a liquid separation chamber (21) is formed inside the protrusion. The protrusion has an intake pipe (27) communicating with the liquid separation chamber (21). A liquid separation pipe is provided inside the liquid separation chamber (21), and the liquid separation pipe communicates the liquid separation chamber (21) with the suction port of the pump body assembly (12) inside the compressor housing; The compressor housing includes a cylindrical body (11); an opening is provided on any surface of the liquid separation chamber (21) not adjacent to the cylindrical body (11), and the opening has a mating surface (22). A cover plate (23) capable of closing the opening is provided on the mating surface (22); A heat conducting member is provided inside the liquid separation chamber (21), and one surface of the heat conducting member is detachably connected to the outer wall of the cylindrical body (11); The heat conducting member includes a base body and a plurality of spaced-apart heat conducting columns provided on the base body. The base body cooperates with the cylindrical body (11), and the end of the heat conducting column abuts against the cover plate (23) and can be deformed under the pressure of the cover plate (23).

2. The compressor according to claim 1, wherein The protrusion is integrally formed on a partial wall surface in the circumferential direction of the cylindrical body (11).

3. The compressor according to claim 1, wherein A first circumferential groove (24) is provided on the part of the mating surface (22) that cooperates with the cover plate (23), and a sealing gasket (31) is provided in the first circumferential groove (24); and / or, a second circumferential groove is provided on the part of the cover plate (23) that cooperates with the mating surface (22), and the sealing gasket (31) is provided in the second circumferential groove.

4. The compressor according to claim 2, wherein The liquid separation pipe includes a straight pipe (25) and an outlet elbow pipe (26) provided inside the liquid separation chamber (21). The straight pipe (25) communicates with one end of the outlet elbow pipe (26), and the other end of the outlet elbow pipe (26) penetrates the cylindrical body (11) and is connected to the suction port of the pump body assembly (12).

5. The compressor according to claim 4, wherein A filter screen support (28) is provided on the inner wall of the liquid separation chamber (21) at a position between the straight pipe (25) and the intake pipe (27), and a filter screen (29) is provided on the filter screen support (28).

6. The compressor according to claim 1, wherein One side of the heat conducting member facing the outer wall of the cylindrical body (11) is an arc matching the outer wall of the cylindrical body (11), and the other side is a flat structure. The cover plate (23) and the outer wall of the cylindrical body (11) can clamp the heat conducting member.

7. An air conditioner, characterized in that, Including the compressor according to any one of claims 1-6.

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