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CN-116928107-B - Noise reduction oil separator and compressor

CN116928107BCN 116928107 BCN116928107 BCN 116928107BCN-116928107-B

Abstract

The invention provides a silencing oil separator and a compressor, wherein the silencing oil separator comprises a cylinder body and an end cover which are connected with each other, a silencing cavity is arranged in the cylinder body and used for eliminating noise generated by fluid entering the cylinder body, a first separation cavity and a second separation cavity are arranged between the cylinder body and the end cover, an outlet of the silencing cavity is communicated with an inlet of the first separation cavity, and an outlet of the first separation cavity is communicated with an inlet of the second separation cavity. The fluid flows along the side wall of the first separation cavity, oil in the fluid is separated by centrifugal force, a part of oil is adsorbed on the side wall of the first separation cavity, the fluid output by the first separation cavity enters the second separation cavity, the fluid flows along the side wall of the second separation cavity, the oil in the fluid is further separated by centrifugal force, and the oil is adsorbed on the side wall of the second separation cavity due to the tension of the liquid. After the fluid is subjected to two-stage oil-gas separation in the first separation cavity and the second separation cavity, the oil content of the fluid discharged from the second separation cavity is less, and the silencing and oil-gas separation effects are good.

Inventors

  • CHEN XIAOSHAN
  • DENG RUI
  • SUN HUI
  • FAN XIAOCUI
  • LV HAOFU
  • ZHENG FUJIAN

Assignees

  • 珠海格力节能环保制冷技术研究中心有限公司

Dates

Publication Date
20260505
Application Date
20230825

Claims (19)

  1. 1. The silencing oil separator is characterized by comprising a cylinder body (10) and an end cover (20) which are connected with each other, wherein a silencing cavity (30) is arranged in the cylinder body (10), the silencing cavity (30) is used for eliminating noise generated by fluid entering the cylinder body, a first separation cavity (40) and a second separation cavity (50) are arranged between the cylinder body (10) and the end cover (20), an outlet of the silencing cavity (30) is communicated with an inlet of the first separation cavity (40), an outlet of the first separation cavity (40) is communicated with an inlet of the second separation cavity (50), and the fluid inside the first separation cavity (40) and the second separation cavity (50) are respectively guided to flow along the inner wall so as to separate gas and liquid in the fluid; The cross section of amortization chamber (30) perpendicular to axial is umbrella form, amortization chamber (30) are including umbrella head chamber (31) and umbrella stick chamber (32) of mutual intercommunication, the line of partly limit of umbrella head cross-section in umbrella head chamber (31) is the pitch arc, the umbrella stick cross-section in umbrella stick chamber (32) is the rectangle, umbrella head cross-section with the umbrella stick cross-section passes through the pitch arc connection.
  2. 2. The silencing and oil-separating device as claimed in claim 1, wherein the inlet and outlet of the silencing cavity (30) are respectively positioned at two axial ends of the silencing cavity (30), and the volume of the umbrella head cavity (31) is larger than the volume of the umbrella handle cavity (32).
  3. 3. The sound-deadening oil separator according to claim 1, characterized in that the first separation chamber (40) has a first arc-shaped inner wall (41), the first arc-shaped inner wall (41) guiding the fluid flow inside the first separation chamber (40), the second separation chamber (50) has a second arc-shaped inner wall (51), the second arc-shaped inner wall (51) guiding the fluid flow inside the second separation chamber (50).
  4. 4. The silencer-oil separator according to claim 3, wherein the first separating chamber (40) has a stop wall (42), the inlet of the first separating chamber (40) faces the stop wall (42), an included angle is formed between the stop wall (42) and the first arc-shaped inner wall (41), the silencer chamber (30) is located between the first arc-shaped inner wall (41) and the second arc-shaped inner wall (51), and the stop wall (42), the first arc-shaped inner wall (41) and the second arc-shaped inner wall (51) guide fluid to turn in sequence.
  5. 5. The silencing and oil separator as claimed in claim 1, wherein the cylinder (10) is internally provided with a communication channel (11), the silencing cavity (30) is communicated with the first separation cavity (40) through the communication channel (11), the cylinder (10) is internally provided with a diversion channel (12), or the end cover (20) is internally provided with the diversion channel (12), or the diversion channel (12) is arranged between the cylinder (10) and the end cover (20), the first separation cavity (40) is communicated with the second separation cavity (50) through the diversion channel (12), and the side wall of the second separation cavity (50) is provided with a discharge outlet (52).
  6. 6. The silencing and oil separator as claimed in claim 1, wherein the cylinder (10) comprises a silencing cylinder (13) and a containing cylinder (14) which are connected with each other, the silencing cylinder (13) is provided with the silencing cavity (30), the first separation cavity (40), the second separation cavity (50) and the diversion channel (12) are arranged among the silencing cylinder (13), the containing cylinder (14) and the end cover (20), the first separation cavity (40) is communicated with the second separation cavity (50) through the diversion channel (12), the bottom wall of the silencing cylinder (13) is provided with a communication channel (11), and the communication channel (11) is used for communicating the silencing cavity (30) with the first separation cavity (40).
  7. 7. The silencing and oil distributing device according to claim 6, wherein the end cover (20) comprises a cover body (21) and a fixing ring (22) and a fixing block (23) which are arranged on the cover body (21), the outer wall of the fixing ring (22) is matched with the inner wall of the containing cylinder (14), the fixing block (23) is arranged on the inner side of the fixing ring (22), the fixing block (23) is abutted with the silencing cylinder (13), the second separating cavity (50) is formed among the end face of the fixing block (23), the outer wall of the silencing cylinder (13) and the inner wall of the containing cylinder (14), and an annular sealing groove (15) is formed on the outer wall of the cylinder body (10) and used for installing a sealing piece (93).
  8. 8. The silencing and oil distributing device according to claim 1, wherein the cylinder body (10) comprises a chassis (16), a silencing cylinder (13) and a separation block (17) which are sequentially connected, the silencing chamber (30) is arranged in the chassis (16) and the silencing cylinder (13), a communication channel (11) is arranged in one end, far away from the chassis (16), of the silencing cylinder (13), the communication channel (11) is used for communicating the silencing chamber (30) with the first separation chamber (40), the separation block (17) is arranged at one end, far away from the chassis (16), of the silencing cylinder (13), the communication channel (11) is located on one side, facing the first separation chamber (40), of the separation block (17), a diversion channel (12) is arranged on the outer wall of the silencing cylinder (13), and the diversion channel (12) is used for communicating the first separation chamber (40) with the second separation chamber (50).
  9. 9. The silencing and oil separator as claimed in claim 8, wherein the end cover (20) is of a cylindrical structure, the end cover (20) is sleeved outside the cylinder body (10), the chassis (16) and the outer wall of the silencing cylinder (13) are matched with the inner side wall of the end cover (20), the separation block (17) is abutted with the inner bottom wall of the end cover (20), the separation block (17) and the silencing cylinder (13) separate the first separation cavity (40) from the second separation cavity (50) so that the first separation cavity (40) is communicated with the communication channel (11) independently, the diversion channel (12) is located between the outer wall of the silencing cylinder (13) and the inner side wall of the end cover (20), and the outer wall of the end cover (20) is provided with an annular sealing groove (15), and the annular sealing groove (15) is used for installing a sealing piece (93).
  10. 10. The sound deadening oil separator according to claim 1, further comprising a discharge valve (60), the discharge valve (60) being provided on the cylinder (10) or on the end cap (20), the discharge valve (60) being for discharging a fluid reaching a set pressure and preventing backflow of the discharged fluid.
  11. 11. The silencing and oil separator as claimed in claim 10, wherein the exhaust valve (60) comprises an exhaust baffle (61) and an exhaust valve plate (62), a side wall or a top wall of the second separation chamber (50) is provided with an exhaust port (52), one end of the exhaust valve plate (62) and one end of the exhaust baffle (61) are connected with the cylinder (10) or the end cover (20), the other end of the exhaust valve plate (62) is a movable end and covers the exhaust port (52), an unfixed end of the exhaust baffle (61) is arranged at intervals with the exhaust port (52), and the exhaust baffle (61) is used for limiting the exhaust valve plate (62).
  12. 12. The silencing and oil separator as claimed in claim 10, wherein the exhaust valve (60) comprises an exhaust baffle (61) and an exhaust valve plate (62), the cylinder (10) is provided with a communication channel (11), the communication channel (11) is communicated with the first separation chamber (40) and the second separation chamber (50), one end of the exhaust valve plate (62) and one end of the exhaust baffle (61) are both connected with the cylinder (10), the other end of the exhaust valve plate (62) is a movable end and covers an outlet of the communication channel (11), an unfixed end of the exhaust baffle (61) is arranged with the communication channel (11) at intervals, and the exhaust baffle (61) is used for limiting the exhaust valve plate (62).
  13. 13. A compressor, characterized by, including shell (71), movable scroll (72), quiet scroll (73) and the amortization oil separator of any one of claims 1 to 12, movable scroll (72) rotate and set up in shell (71), quiet scroll (73) are fixed to be set up in shell (71), amortization oil separator with quiet scroll (73) spacing fit, movable scroll (72) with have compression chamber (74) between quiet scroll (73), the export of compression chamber (74) with the entry intercommunication of amortization oil separator.
  14. 14. The compressor of claim 13, wherein the fixed scroll (73) has a pressure relief hole (731), the compressor further comprises a pressure relief part (80), one end of the pressure relief part (80) is fixed on an end surface of the fixed scroll (73), the other end of the pressure relief part (80) is a movable end and covers the pressure relief hole (731), the end surface of the silencing and oil distributing device, which is close to the fixed scroll (73), is provided with a limiting inclined surface, the limiting inclined surface limits the movable end of the pressure relief part (80), and when the pressure in the compression cavity (74) reaches a set value, the pressure relief part (80) opens the pressure relief hole (731).
  15. 15. The compressor of claim 14, wherein, The pressure relief component (80) comprises a fixing piece (81) and at least two pressure relief pieces (82) arranged on the fixing piece (81), wherein the fixing piece (81) is fixed on the end face of the fixed scroll (73), one end of each pressure relief piece (82) deviating from the fixing piece (81) is a movable end and is respectively covered with one pressure relief hole (731), when the pressure in the compression cavity (74) reaches a set value, the pressure relief piece (82) opens the corresponding pressure relief hole (731), or, The pressure relief part (80) comprises at least two pressure relief sheets (82) arranged at intervals, one end of each pressure relief sheet (82) is fixed on the end face of the fixed scroll (73), the other end of each pressure relief sheet (82) is a movable end and is respectively covered with one pressure relief hole (731), and when the pressure in the compression cavity (74) reaches a set value, the corresponding pressure relief hole (731) is opened by the pressure relief sheet (82).
  16. 16. The compressor of claim 13, further comprising a first elastic member (91), wherein two ends of the first elastic member (91) respectively abut against the silencing and oil distributing device and an inner wall of the casing (71), and the silencing and oil distributing device is pressed on the fixed scroll (73) by the first elastic member (91).
  17. 17. The compressor of claim 16, wherein the first elastic member (91) includes a compression ring (911) and a plurality of support legs (912), the support legs (912) are connected with the compression ring (911), the support legs (912) are obliquely arranged relative to the compression ring (911), the compression ring (911) is abutted with the silencing and oil distributing device, and one ends of the support legs (912) away from the compression ring (911) are abutted with the inner wall of the casing (71).
  18. 18. The compressor of claim 16, further comprising a second elastic member (92), wherein both ends of the second elastic member (92) are respectively abutted with the fixed scroll (73) and the silencing and oil distributing device.
  19. 19. The compressor of claim 13, wherein the housing (71) includes a housing (711) and a front cover (712) connected to each other, the fixed scroll (73) is fixedly connected to the front cover (712), a high pressure chamber (75) is provided between the fixed scroll (73) and the front cover (712), the sound-deadening oil separator is partially disposed in the high pressure chamber (75), the fixed scroll (73) has an annular protrusion (732), a part of an outer wall of the sound-deadening oil separator is fitted with an inner wall of the annular protrusion (732), a fluid in the compression chamber (74) enters the high pressure chamber (75) through the sound-deadening oil separator, and the compressor further includes a seal (93) mounted between an outer wall of the sound-deadening oil separator and an inner wall of the annular protrusion (732).

Description

Noise reduction oil separator and compressor Technical Field The invention relates to the technical field of compressors, in particular to a silencing oil separator and a compressor. Background The space of the exhaust cavity of the horizontal compressor occupies relatively small space, and the refrigerant carried by the exhaust gas cannot effectively stay and separate in the exhaust cavity and is deposited, so that the refrigerant is carried out of the compressor. Even if the cyclone oil-gas separator is arranged at the exhaust outlet, part of lubricating oil can be effectively separated, the oil separated by the oil-gas separator is larger than the oil separator by the high-speed stirring belt under the high-speed and high-flow condition along with the increase of the operating frequency, and the effect of separating the lubricating oil by the oil-gas separator is influenced. The exhaust outlet cavity of the fixed scroll is narrow, and larger exhaust pulsation can also generate exhaust noise, so that the sound quality and the body feel of the compressor are affected. Therefore, there is a need for a device for a compressor that is effective in improving oil drainage and reducing noise. Disclosure of Invention The invention provides a silencing oil separator and a compressor, which are used for solving the problems of high noise and poor oil-gas separation effect of the compressor in the prior art. In order to solve the problems, according to one aspect of the invention, the invention provides a silencing oil separator, which comprises a cylinder body and an end cover which are connected with each other, wherein the cylinder body is internally provided with a silencing cavity for eliminating noise generated by fluid entering the cylinder body, a first separation cavity and a second separation cavity are arranged between the cylinder body and the end cover, an outlet of the silencing cavity is communicated with an inlet of the first separation cavity, an outlet of the first separation cavity is communicated with an inlet of the second separation cavity, and the first separation cavity and the second separation cavity respectively guide fluid in the cylinder body to flow along an inner wall so as to separate gas and liquid in the fluid. Further, the cross section of amortization chamber perpendicular to axial is umbrella form, amortization chamber includes the umbrella head chamber and the umbrella stick chamber of mutual intercommunication, the umbrella head cross-section of umbrella head chamber's a part sideline is the pitch arc, the umbrella stick cross-section of umbrella stick chamber is the rectangle, umbrella head cross-section with the umbrella stick section passes through the pitch arc connection. Further, the inlet and the outlet of the silencing cavity are respectively positioned at two axial ends of the silencing cavity, and the volume of the umbrella head cavity is larger than that of the umbrella handle cavity. Further, the first separation chamber has a first arcuate inner wall that directs fluid flow within the first separation chamber, and the second separation chamber has a second arcuate inner wall that directs fluid flow within the second separation chamber. Further, the first separation cavity is provided with a stop wall, an inlet of the first separation cavity faces the stop wall, an included angle is formed between the stop wall and the first arc-shaped inner wall, the silencing cavity is positioned between the first arc-shaped inner wall and the second arc-shaped inner wall, and the stop wall, the first arc-shaped inner wall and the second arc-shaped inner wall guide fluid to turn in sequence. The cylinder body is internally provided with a flow guide channel, or the end cover is internally provided with a flow guide channel, or a flow guide channel is arranged between the cylinder body and the end cover, the first separation cavity is communicated with the second separation cavity through the flow guide channel, and the side wall of the second separation cavity is provided with a discharge port. Further, the cylinder body comprises a silencing cylinder and a containing cylinder which are connected with each other, the silencing cylinder is provided with a silencing cavity, the silencing cylinder, the containing cylinder and the end cover are provided with a first separation cavity, a second separation cavity and a diversion channel, the first separation cavity is communicated with the second separation cavity through the diversion channel, the bottom wall of the silencing cylinder is provided with a communication channel, and the communication channel is used for communicating the silencing cavity with the first separation cavity. Further, the end cover comprises a cover body, a fixing ring and a fixing block, wherein the fixing ring and the fixing block are arranged on the cover body, the outer wall of the fixing ring is matched with the inner wall of the accommodating cylinder, t