Compressor

Abstract

According to the compressor, an upper support assembly is provided with a communicating cavity part, and the communicating cavity part communicates with a first cavity part; the compressor further comprises a separating piece, the separating piece is provided with a separating channel, and the first end of the separating channel communicates with the communicating cavity part. Gas which flows into the separation channel and carries oil liquid is subjected to gas-liquid separation when flowing through the separation channel; the separating piece comprises a preset section, and the preset section extends from the second cavity part to the fourth cavity part in the axial direction of the machine shell; the preset section is provided with a plurality of air outlet holes communicated with the separation channel, so that gas separated from the separation channel flows into the space between the second cavity part and the fourth cavity part through the air outlet holes and then is exhausted from the exhaust port. Therefore, the exhaust oil spitting rate of the compressor can be effectively reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of compressors, and in particular to a compressor. Background Art

[0002] When the scroll compressor is running, the low-temperature and low-pressure refrigerant is compressed into a high-temperature and high-pressure gaseous refrigerant, and the high-temperature and high-pressure gaseous refrigerant is mixed with lubricating oil.

[0003] Existing scroll compressors have the problem of insufficient oil separation capacity, that is, the exhaust oil discharge rate is too high, and excess lubricating oil is discharged into the air-conditioning system along with the refrigerant air flow; when the lubricating oil content in the gaseous refrigerant is too high, it will affect the heat transfer of the air-conditioning system and reduce the air-conditioning energy efficiency. Summary of the invention

[0004] The main purpose of the present invention is to provide a compressor to solve the problem of high exhaust oil discharge rate of the scroll compressor in the prior art.

[0005] In order to achieve the above-mentioned object, the present invention provides a compressor, which includes an upper bracket assembly, a motor, a lower bracket, an oil pool, and a casing, wherein the upper bracket assembly includes an upper bracket, and a movable scroll and a fixed scroll arranged on the upper bracket; the upper bracket assembly, the motor, the lower bracket, and the oil pool are arranged in the casing along the axial direction of the casing to form a first cavity above the upper bracket assembly, a second cavity between the upper bracket assembly and the motor, a third cavity between the motor and the lower bracket, and a fourth cavity between the lower bracket and the oil pool; a compression cavity is formed between the movable scroll and the fixed scroll, and the compression cavity is connected to the first cavity to discharge the compressed gas to the first cavity; the second cavity It has an exhaust port so that the compressed gas in the second cavity can be discharged through the exhaust port; a connecting cavity is arranged on the upper bracket assembly, and the connecting cavity is connected with the first cavity; the compressor also includes a separator, the separator has a separation channel, and the first end of the separation channel is connected with the connecting cavity; the gas carrying oil and liquid flowing into the separation channel is separated from gas and liquid when flowing through the separation channel; the separator includes a preset section, and the preset section extends from the second cavity to the fourth cavity along the axial direction of the casing; a plurality of air outlets connected with the separation channel are arranged on the preset section, so that the separated gas in the separation channel flows into the space between the second cavity and the fourth cavity through the plurality of air outlets, and then is discharged from the exhaust port.

[0006] Furthermore, the separation element is a tubular structure, and the lumen of the separation element forms a separation channel.

[0007] Furthermore, the separation channel includes a preset channel section arranged on the preset section, and multiple air outlets are connected to the preset channel section; the two ends of the preset channel section are respectively its upper end and lower end, and the gas in the preset channel section flows from its upper end to its lower end.

[0008] Furthermore, the preset channel section is extended along the vertical direction.

[0009] Furthermore, at least part of the plurality of air outlet holes are distributed along an extension direction of the preset channel section.

[0010] Furthermore, the separation channel includes a first channel section and a second channel section, the second channel section includes a preset channel section; the first end of the first channel section forms the first end of the separation channel, the second end of the first channel section is connected to the first end of the second channel section, and the second end of the second channel section forms the second end of the separation channel; the first channel section and the second channel section are arranged at an angle; the portion of the separator that surrounds the second channel section includes a preset section.

[0011] Furthermore, the first end and the second end of the second channel section are respectively the upper end and the lower end thereof, and the gas in the second channel section flows from the upper end to the lower end thereof.

[0012] Furthermore, the first channel section is extended in the horizontal direction.

[0013] Furthermore, the second channel section is extended in the vertical direction.

[0014] Furthermore, the first channel section and the second channel section are perpendicular to each other.

[0015] Furthermore, a preset opening is provided at the second end of the separation channel, the preset opening is communicated with the fourth cavity portion, and the preset opening is used for exhausting air and / or discharging liquid.

[0016] Furthermore, the preset opening is provided on the side wall of the separation channel and is extended along the circumference of the separation channel; an end piece is provided at the second end of the separation channel to close the second end of the separation channel; and the end piece is used to enclose the preset opening.

[0017] Furthermore, the preset opening is located above the oil pool so that the liquid discharged from the preset opening falls into the oil pool.

[0018] Furthermore, the preset opening is located in the fourth cavity portion.

[0019] Furthermore, the connecting chamber portion includes a connecting channel and a connecting chamber body; a portion of the connecting channel is opened on the static vortex disk, and another portion is opened on the upper bracket; the connecting chamber body is opened on the upper bracket; the first end of the connecting channel is connected to the first chamber portion, and the second end of the connecting channel is connected to the connecting chamber body; the first end of the separation channel is connected to the connecting chamber body.

[0020] Furthermore, the connecting channel includes a third channel and a fourth channel, the first end of the third channel is connected to the first cavity, the second end of the third channel is connected to the first end of the fourth channel, and the second end of the fourth channel is connected to the connecting cavity; the third channel and the fourth channel are arranged at an angle; a part of the third channel is opened on the static vortex disk, and the other part is opened on the upper bracket; the fourth channel is opened on the upper bracket.

[0021] Furthermore, part of the movable scroll is located in the communicating cavity.

[0022] According to the technical solution of the present invention, a connecting cavity is provided on the upper support assembly of the compressor, and the connecting cavity is connected to the first cavity so that the compressed gas in the first cavity can flow into the connecting cavity. The compressor also includes a separator, which has a separation channel, and the first end of the separation channel is connected to the connecting cavity so that the compressed gas in the connecting cavity can flow into the separation channel. The compressed gas flowing into the separation channel carries oil, and the compressed gas carrying oil is separated from gas and liquid during the process of flowing through the separation channel. The separator includes a preset section, which extends from the second cavity to the fourth cavity along the axial direction of the casing; the preset section is provided with a plurality of air outlets connected to the separation channel, so that the separated gas in the separation channel flows into the preset space in the casing through the plurality of air outlets; the preset space refers to the space between the second cavity and the fourth cavity in the casing, and the preset space includes the second cavity and the fourth cavity; the gas in the preset space after gas-liquid separation is discharged from the exhaust port. In this way, the exhaust oil discharge rate of the compressor can be effectively reduced, thereby solving the problem of high exhaust oil discharge rate of the scroll compressor in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0024] Figure 1 A schematic structural diagram of an embodiment of a compressor according to the present invention is shown;

[0025] Figure 2 Shows Figure 1 An enlarged view of the local structure of the compressor;

[0026] Figure 3 A schematic structural diagram of a separation component of a compressor according to the present invention is shown;

[0027] Figure 4 Shows Figure 3 An enlarged view of point A of the separation part.

[0028] The above drawings include the following reference numerals:

[0029] 10. Casing; 101. Upper cover; 102. Cylinder; 103. Lower cover; 11. Upper bracket; 12. Moving scroll; 120. Base; 121. Cross slip ring; 13. Stationary scroll; 131. Air outlet channel; 14. Motor; 15. Lower bracket; 151. Lower support ring; 16. Oil pool; 17. Compression chamber;

[0030] 21. first cavity; 22. second cavity; 23. third cavity; 24. fourth cavity;

[0031] 30, connecting cavity; 31, connecting channel; 311, third channel; 3111, first section; 3112, second section; 312, fourth channel; 32, connecting cavity;

[0032] 40, separation member; 400, preset section; 401, first pipe section; 402, second pipe section; 41, separation channel; 410, preset channel section; 411, first channel section; 412, second channel section; 42, air outlet; 43, preset opening; 44, end member;

[0033] 51. Inlet pipe; 52. Outlet pipe;

[0034] 61. Crankshaft; 62. Main balance block; 63. Secondary balance block; 64. Foot pad; 65. Oil pump. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0037] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0038] The present invention provides a compressor, please refer to Figures 1 to 4The compressor includes an upper bracket assembly, a motor 14, a lower bracket 15, an oil pool 16, and a casing 10. The upper bracket assembly includes an upper bracket 11, and a movable scroll 12 and a fixed scroll 13 arranged on the upper bracket 11; the upper bracket assembly, the motor 14, the lower bracket 15, and the oil pool 16 are arranged in the casing 10 along the axial direction of the casing 10 to form a first cavity 21 above the upper bracket assembly, a second cavity 22 between the upper bracket assembly and the motor 14, a third cavity 23 between the motor 14 and the lower bracket 15, and a fourth cavity 24 between the lower bracket 15 and the oil pool 16.

[0039] A compression chamber 17 is formed between the movable scroll 12 and the fixed scroll 13 , and the compression chamber 17 is connected to the first chamber portion 21 to discharge the compressed gas to the first chamber portion 21 . The compressed gas in the first chamber portion 21 can flow into the second chamber portion 22 , the third chamber portion 23 and the fourth chamber portion 24 .

[0040] The second chamber 22 has an exhaust port, so that the compressed gas in the second chamber 22 can be discharged through the exhaust port.

[0041] The upper bracket assembly is provided with a communication cavity 30 , which is in communication with the first cavity 21 , so that the compressed gas in the first cavity 21 can flow into the communication cavity 30 .

[0042] The compressor further includes a separator 40 having a separation channel 41. A first end of the separation channel 41 is in communication with the communication chamber 30 so that the compressed gas in the communication chamber 30 can flow into the separation channel 41. The compressed gas flowing into the separation channel 41 carries oil, and the compressed gas carrying oil undergoes gas-liquid separation in the process of flowing through the separation channel 41.

[0043] The separator 40 includes a preset section 400, which extends from the second cavity 22 to the fourth cavity 24 along the axial direction of the housing 10; the preset section 400 is provided with a plurality of gas outlets 42 connected to the separation channel 41, so that the separated gas in the separation channel 41 flows into the preset space in the housing 10 through the plurality of gas outlets 42; the preset space refers to the space between the second cavity 22 and the fourth cavity 24 in the housing 10, and the preset space includes the second cavity 22 and the fourth cavity 24; the gas in the preset space after gas-liquid separation is discharged from the exhaust port. In this way, the exhaust oil discharge rate of the compressor can be reduced.

[0044] It should be noted that, in the separation channel 41 , the separated liquid flows to the bottom of the separation channel 41 under the action of gravity.

[0045] Specifically, the compressor is a scroll compressor.

[0046] In the present application, the separator 40 is a tubular structure, and the lumen of the separator 40 forms a separation channel 41 .

[0047] In the present application, the separation channel 41 includes a preset channel section 410 disposed on the preset section 400 , and the plurality of air outlet holes 42 are all connected to the preset channel section 410 .

[0048] Specifically, the two ends of the preset channel section 410 are the upper end and the lower end, respectively, and the gas in the preset channel section 410 flows from the upper end to the lower end. The gas carrying oil flows into the preset channel section 410 from the upper end of the preset channel section 410; during the flow of the gas carrying oil through the preset channel section 410, due to the changes in the flow field velocity, droplet size and distribution, the followability of the droplets is weakened, and the liquid and gas in the gas-liquid mixture are separated; the separated liquid flows to the lower end of the preset channel section 410 under the action of gravity, and the separated gas flows more upward, and the separated gas flows into the preset space through multiple outlet holes 42.

[0049] Preferably, the preset channel section 410 is extended in the vertical direction.

[0050] In the present application, at least part of the plurality of air outlet holes 42 on the preset section 400 is distributed along the extension direction of the preset channel section 410 .

[0051] Specifically, the multiple air outlet holes 42 on the preset section 400 include multiple air outlet units, and the multiple air outlet units are distributed along the extension direction of the preset channel section 410; each air outlet unit includes at least one air outlet hole 42; when the air outlet unit includes multiple air outlet holes 42, the multiple air outlet holes 42 of the air outlet unit are distributed along the circumference of the preset channel section 410.

[0052] In the present application, the separation channel 41 includes a first channel section 411 and a second channel section 412, the first end of the first channel section 411 forms the first end of the separation channel 41, the second end of the first channel section 411 is connected and communicated with the first end of the second channel section 412, and the second end of the second channel section 412 forms the second end of the separation channel 41; the first channel section 411 and the second channel section 412 are arranged at an angle.

[0053] Specifically, the second channel section 412 includes a preset channel section 410 ; and the portion of the separator 40 surrounding the second channel section 412 includes a preset section 400 .

[0054] Optionally, the first end and the second end of the second channel section 412 are the upper end and the lower end thereof, respectively, and the gas in the second channel section 412 flows from the upper end thereof to the lower end thereof. In this way, the gas carrying the oil flows into the second channel section 412 from the upper end thereof, and the gas carrying the oil is separated from the liquid during the entire process of flowing through the second channel section 412, and the separated liquid flows to the lower end of the second channel section 412 under the action of gravity.

[0055] Optionally, the second channel section 412 is extended in the vertical direction.

[0056] Optionally, the first channel section 411 and the second channel section 412 are perpendicular to each other.

[0057] Optionally, the first channel section 411 is extended in the horizontal direction.

[0058] Optionally, the lower end of the preset channel section 410 is the second end of the second channel section 412 .

[0059] Specifically, the tubular separator 40 includes a first tube segment 401 and a second tube segment 402 connected to each other, the tube cavity of the first tube segment 401 forms a first channel segment 411, and the tube cavity of the second tube segment 402 forms a second channel segment 412; the first tube segment 401 and the second tube segment 402 are arranged at an angle.

[0060] In the present application, a preset opening 43 is provided at the second end of the separation channel 41, and the preset opening 43 is connected to the fourth chamber 24, and the preset opening 43 is used for exhausting air and / or discharging liquid; that is, the gas and / or liquid in the separation channel 41 can be discharged into the fourth chamber 24 through the preset opening 43, and the liquid discharged into the fourth chamber 24 falls into the oil pool 16.

[0061] Specifically, the preset opening 43 is located above the oil pool 16 , so that the liquid discharged from the preset opening 43 falls into the oil pool 16 .

[0062] Optionally, the preset opening 43 is located in the fourth cavity 24 .

[0063] In the present application, optionally, a preset opening 43 is provided on the side wall of the separation channel 41 and extends circumferentially along the separation channel 41; an end member 44 is provided at the second end of the separation channel 41 to close the second end of the separation channel 41; the end member 44 is used to enclose the preset opening 43.

[0064] If the second end of the separation channel 41 is open, and the second port of the separation channel 41 is disposed toward the oil pool 16, the gas discharged from the second port of the separation channel 41 will directly blow toward the oil pool 16, which will impact the liquid surface of the oil pool 16. However, in the configuration of the preset opening 43 of the present application, the gas discharged from the preset opening 43 will not directly blow toward the oil pool 16, and therefore the gas discharged from the preset opening 43 will not impact the liquid surface of the oil pool 16.

[0065] Specifically, the liquid separated in the second channel section 412 flows toward the end piece 44 under the action of gravity and is deposited on the end piece 44 .

[0066] Specifically, the upper surface of the end component 44 is used to enclose the preset opening 43 , and the liquid separated in the second channel section 412 is deposited on the upper surface of the end component 44 under the action of gravity.

[0067] Specifically, the upper surface of the end member 44 is parallel to the horizontal direction, and the liquid deposited on the upper surface of the end member 44 can slide down along the upper surface of the end member 44 and then fall into the oil pool 16. Alternatively, the upper surface of the end member 44 is arranged at an acute angle with the horizontal direction, that is, the upper surface of the end member 44 is inclined relative to the horizontal plane, and the higher end of the upper surface of the end member 44 is connected and fixed to the separator 40, and the liquid deposited on the upper surface of the end member 44 slides down along the upper surface of the end member 44 and then falls into the oil pool 16.

[0068] Optionally, the end component 44 is a plate-shaped structure, and the upper plate surface of the end component 44 is the upper surface of the end component 44 .

[0069] Specifically, when the higher end of the upper surface of the end member 44 is connected and fixed to the separator 40 , the higher end of the upper surface of the end member 44 is connected and fixed to the second pipe section 402 .

[0070] Specifically, the preset opening 43 is opened on the side wall of the second pipe section 402 , and the preset opening 43 is opened at the second end of the second pipe section 402 .

[0071] In the present application, the connecting chamber portion 30 includes a connecting channel 31 and a connecting chamber body 32; a portion of the connecting channel 31 is opened on the static vortex disk 13, and another portion is opened on the upper bracket 11; the connecting chamber body 32 is opened on the upper bracket 11; the first end of the connecting channel 31 is connected to the first chamber portion 21, and the second end of the connecting channel 31 is connected to the connecting chamber body 32; the first end of the separation channel 41 is connected to the connecting chamber body 32.

[0072] Specifically, the connecting channel 31 includes a third channel 311 and a fourth channel 312. The first end of the third channel 311 is connected to the first cavity 21, the second end of the third channel 311 is connected to and connected to the first end of the fourth channel 312, and the second end of the fourth channel 312 is connected to the connecting cavity 32; the third channel 311 and the fourth channel 312 are arranged at an angle; a part of the third channel 311 is opened on the fixed scroll 13, and the other part is opened on the upper bracket 11; the fourth channel 312 is opened on the upper bracket 11.

[0073] Optionally, the third channel 311 and the fourth channel 312 are perpendicular to each other.

[0074] Optionally, the first end and the second end of the third channel 311 are the upper end and the lower end thereof respectively; the third channel 311 is extended in the vertical direction.

[0075] Optionally, the fourth channel 312 is extended in the horizontal direction.

[0076] Optionally, a first end of the third channel 311 is opened on the fixed scroll 13 , and a second end of the third channel 311 is opened on the upper bracket 11 .

[0077] Optionally, the third channel 311 includes a first section 3111 and a second section 3112, the first section 3111 is opened on the fixed scroll 13, and the second section 3112 is opened on the upper bracket 11; the first end of the first section 3111 is the first end of the third channel 311, the second end of the first section 3111 is connected to the first end of the second section 3112, and the second end of the second section 3112 is the second end of the third channel 311; the extension direction of the first section 3111 is parallel to or the same as the extension direction of the second section 3112.

[0078] Optionally, the first end and the second end of the first track segment 3111 are the upper end and the lower end thereof, respectively; the first end and the second end of the second track segment 3112 are the upper end and the lower end thereof, respectively.

[0079] Optionally, the first track segment 3111 is extended along the vertical direction; the second track segment 3112 is extended along the vertical direction.

[0080] In the present application, optionally, part of the movable scroll 12 is located in the connecting cavity 32. When the movable scroll 12 moves, the part of the movable scroll 12 located in the connecting cavity 32 will disturb the gas in the connecting cavity 32, thereby playing a certain gas-liquid separation role.

[0081] Optionally, the movable scroll 12 includes a base 120 thereof, and the base 120 of the movable scroll 12 is located in the communication cavity 32 ; when the movable scroll 12 moves, the base 120 of the movable scroll 12 causes disturbance to the gas in the communication cavity 32 .

[0082] In the present application, the compressor also includes an air intake pipeline 51, which is arranged on the casing 10, and the outer port of the air intake pipeline 51 is an air intake port, and the inner port of the air intake pipeline 51 is connected to the compression chamber 17, so that the gas entering the compression chamber 17 through the air intake pipeline 51 is compressed in the compression chamber 17.

[0083] In the present application, an outlet channel 131 is provided on the static scroll 13 , one end of the outlet channel 131 is connected to the compression chamber 17 , and the other end of the outlet channel 131 is connected to the first chamber portion 21 , so that the compressed gas in the compression chamber 17 is discharged into the first chamber portion 21 through the outlet channel 131 .

[0084] In the present application, the compressor also includes an air outlet pipe 52, a first end of the air outlet pipe 52 is connected to the exhaust port of the second chamber 22, and a second end of the air outlet pipe 52 is an air outlet and is located on the outside of the casing 10, so that the compressed gas in the second chamber 22 can be discharged through the air outlet pipe 52.

[0085] In the present application, the housing 10 includes an upper cover 101 , a cylinder 102 and a lower cover 103 .

[0086] In the present application, the compressor further includes a crankshaft 61 , a main balancing block 62 , a secondary balancing block 63 , a foot pad 64 , and an oil pump 65 .

[0087] Specifically, the stator of the motor 14 is fixed to the casing 10 by shrink fitting. The upper bracket 11 is fixed to the casing 10 by spot welding. The fixed scroll 13 and the movable scroll 12 are opposite to each other with a phase angle difference of 180 degrees. The movable scroll 12 moves driven by the crankshaft 61. The movable scroll 12 and the fixed scroll 13 are meshed to form a series of closed cavities that are isolated from each other and have continuously changing volumes. The fixed scroll 13 is fixed to the upper bracket 11 by screw fasteners. The lower bracket 15 is fixed to the lower support ring 151 by screws, and the lower support ring 151 is fixed to the casing 10 by spot welding.

[0088] Specifically, when the compressor is running, the motor 14 drives the crankshaft 61 to rotate, and the crank of the crankshaft 61 drives the movable scroll 12 to move. Under the anti-rotation restriction of the cross ring 121, the movable scroll 12 performs eccentric translational motion with a fixed radius.

[0089] The refrigerant entering from the air inlet pipe 51 is sucked into the air intake chamber formed by the fixed vortex 13 and the movable vortex 12, and after being compressed, it becomes a high-pressure refrigerant and is discharged from the air outlet channel 131 into the first cavity 21 between the upper cover 101 and the upper bracket assembly; the high-pressure refrigerant airflow discharged from the compressor pump body is rich in lubricating oil; under the action of the pressure difference, a part of the refrigerant airflow in the first cavity 21 enters the second cavity 22 between the upper bracket assembly and the motor 14 through the exhaust groove of the fixed vortex 13 and the upper bracket 11, and is then discharged through the air outlet pipe 52; the high-pressure refrigerant in the second cavity 22 will Part of it enters the third cavity 23 below the motor 14 through the flow groove between the motor 14 and the casing 10; another part of the refrigerant gas flows into the connecting cavity 32 through the connecting channel 31, and then enters the separation channel 41. Under the guidance of the separation channel 41 (in this process, the continuous separation of the refrigerant gas flow and the lubricating oil is achieved), it flows rapidly from the connecting cavity 32 to the second cavity 22, the third cavity 23 and the fourth cavity 24, mainly flows to the second cavity 22 and the third cavity 23, and then is discharged through the exhaust pipe 52; the lubricating oil separated in the separation channel 41 returns to the oil pool 16.

[0090] Among them, the difference in mass between the gaseous refrigerant and tiny oil droplets is used to achieve oil-gas separation; the oil-gas mixture flows from top to bottom along the separation channel 41, and under the action of the pressure difference, the refrigerant airflow will diffuse into the outside of the separation element 40 from the air outlet 42 on the side wall. Since the mass of the tiny oil droplets is greater than that of the gaseous refrigerant and has a larger momentum, it is difficult for the tiny oil droplets to change the direction of movement; therefore, part of the gaseous refrigerant enters the compressor casing 10 cavity from the air outlet 42 on the side wall, and the tiny oil droplets flow out from the preset opening 43 and enter the bottom of the casing 10 cavity, thereby achieving oil separation.

[0091] Furthermore, the base 120 of the movable scroll 12 performs eccentric translational motion in the connecting cavity 32 , and the disturbance of the base 120 of the movable scroll 12 will have a certain oil separation effect on the refrigerant airflow in the connecting cavity 32 .

[0092] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0093] In the compressor provided by the present invention, a connecting cavity 30 is provided on the upper support assembly, and the connecting cavity 30 is in communication with the first cavity 21, so that the compressed gas in the first cavity 21 can flow into the connecting cavity 30. The compressor also includes a separator 40, and the separator 40 has a separation channel 41, and the first end of the separation channel 41 is in communication with the connecting cavity 30, so that the compressed gas in the connecting cavity 30 can flow into the separation channel 41. The compressed gas flowing into the separation channel 41 carries oil, and the compressed gas carrying oil undergoes gas-liquid separation in the process of flowing through the separation channel 41. The separator 40 includes a preset section 400, which extends from the second cavity 22 to the fourth cavity 24 along the axial direction of the housing 10; the preset section 400 is provided with a plurality of air outlets 42 connected to the separation channel 41, so that the separated gas in the separation channel 41 flows into the preset space in the housing 10 through the plurality of air outlets 42; the preset space refers to the space between the second cavity 22 and the fourth cavity 24 in the housing 10, and the preset space includes the second cavity 22 and the fourth cavity 24; the gas in the preset space after gas-liquid separation is discharged from the exhaust port. In this way, the exhaust oil discharge rate of the compressor can be effectively reduced and the energy efficiency can be improved, thereby solving the problem of high exhaust oil discharge rate of the scroll compressor in the prior art.

[0094] By providing the separation channel 41, the lubricating oil in the refrigerant airflow can be effectively separated, and the separated lubricating oil can be returned to the oil pool 16, thereby replacing the original oil return pipe.

[0095] The oil separation capability of the compressor of the present application is greatly improved, and the separated lubricating oil is convenient to return to the oil pool 16. The processing, assembly and implementation of the connecting cavity 30 and the separation member 40 of the present application are simple.

[0096] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0097] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0098] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A compressor, comprising an upper support assembly, a motor (14), a lower support (15), an oil pool (16), and a casing (10), wherein the upper support assembly comprises an upper support (11), and a movable scroll (12) and a stationary scroll (13) arranged on the upper support (11); The upper bracket assembly, the motor (14), the lower bracket (15), and the oil pool (16) are arranged in the housing (10) at intervals along the axial direction of the housing (10) to form a first cavity (21) above the upper bracket assembly, a second cavity (22) between the upper bracket assembly and the motor (14), a third cavity (23) between the motor (14) and the lower bracket (15), and a fourth cavity (24) between the lower bracket (15) and the oil pool (16); A compression chamber (17) is formed between the movable scroll (12) and the fixed scroll (13), and the compression chamber (17) is communicated with the first chamber portion (21) so as to discharge compressed gas into the first chamber portion (21); The second cavity (22) has an exhaust port, so that the compressed gas in the second cavity (22) is discharged through the exhaust port; It is characterized in that The upper bracket assembly is provided with a communication cavity (30), and the communication cavity (30) is communicated with the first cavity (21); The compressor further comprises a separation element (40), wherein the separation element (40) has a separation channel (41), wherein a first end of the separation channel (41) is in communication with the communication cavity (30); gas carrying oil liquid flowing into the separation channel (41) undergoes gas-liquid separation when flowing through the separation channel (41); The separation element (40) comprises a preset section (400), and the preset section (400) extends from the second cavity portion (22) to the fourth cavity portion (24) along the axial direction of the housing (10); a plurality of air outlet holes (42) connected to the separation channel (41) are provided on the preset section (400), so that the separated gas in the separation channel (41) flows into the space between the second cavity portion (22) and the fourth cavity portion (24) through the plurality of air outlet holes (42), and then is discharged from the exhaust port.

2. The compressor according to claim 1, characterized in that The separation element (40) is a tubular structure, and the lumen of the separation element (40) forms the separation channel (41).

3. The compressor according to claim 1, characterized in that The separation channel (41) comprises a preset channel section (410) arranged on the preset section (400), and the plurality of gas outlet holes (42) are all connected to the preset channel section (410); the two ends of the preset channel section (410) are respectively an upper end and a lower end thereof, and the gas in the preset channel section (410) flows from the upper end thereof to the lower end thereof.

4. The compressor according to claim 3, characterized in that The preset channel section (410) is extended in the vertical direction; and / or At least part of the plurality of air outlet holes (42) are distributed along the extension direction of the preset channel section (410).

5. The compressor according to claim 3, characterized in that The separation channel (41) comprises a first channel section (411) and a second channel section (412), the second channel section (412) comprising the preset channel section (410); the first end of the first channel section (411) forms the first end of the separation channel (41), the second end of the first channel section (411) is connected to the first end of the second channel section (412), and the second end of the second channel section (412) forms the second end of the separation channel (41); the first channel section (411) and the second channel section (412) are arranged at an angle; The portion of the separator (40) that encloses the second channel section (412) includes the preset section (400).

6. The compressor according to claim 5, characterized in that The first end and the second end of the second channel section (412) are respectively its upper end and lower end, and the gas in the second channel section (412) flows from its upper end to its lower end; and / or The first channel section (411) is extended in the horizontal direction; and / or The second channel section (412) is extended in the vertical direction; and / or The first channel section (411) and the second channel section (412) are perpendicular to each other.

7. The compressor according to claim 1, characterized in that The second end of the separation channel (41) is provided with a preset opening (43), the preset opening (43) is communicated with the fourth cavity (24), and the preset opening (43) is used for exhausting air and / or discharging liquid.

8. The compressor according to claim 7, characterized in that The preset opening (43) is provided on the side wall of the separation channel (41) and is extended along the circumference of the separation channel (41); an end piece (44) is provided at the second end of the separation channel (41) so that the second end of the separation channel (41) is closed; the end piece (44) is used to enclose the preset opening (43); and / or The preset opening (43) is located above the oil pool (16), so that the liquid discharged from the preset opening (43) falls into the oil pool (16); and / or The preset opening (43) is located in the fourth cavity (24).

9. The compressor according to claim 1, characterized in that The connecting chamber portion (30) comprises a connecting passage (31) and a connecting chamber body (32); a portion of the connecting passage (31) is opened on the fixed scroll (13), and another portion is opened on the upper bracket (11); the connecting chamber body (32) is opened on the upper bracket (11); a first end of the connecting passage (31) is connected to the first chamber portion (21), and a second end of the connecting passage (31) is connected to the connecting chamber body (32); a first end of the separation passage (41) is connected to the connecting chamber body (32).

10. The compressor according to claim 9, characterized in that The communicating channel (31) comprises a third channel (311) and a fourth channel (312); a first end of the third channel (311) is communicated with the first cavity (21); a second end of the third channel (311) is connected to a first end of the fourth channel (312); a second end of the fourth channel (312) is communicated with the communicating cavity (32); the third channel (311) and the fourth channel (312) are arranged at an angle; a portion of the third channel (311) is opened on the fixed scroll (13), and another portion is opened on the upper bracket (11); the fourth channel (312) is opened on the upper bracket (11); and / or Part of the movable scroll (12) is located in the communicating cavity (32).

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