An exhaust assembly, compressor

Abstract

The application provides an exhaust assembly and a compressor, wherein the exhaust assembly comprises an exhaust rotor and an exhaust stator, the exhaust rotor is sleeved on the exhaust stator, the exhaust stator is provided with a communication channel and an inlet, the inlet is communicated with the communication channel, so that an oil-gas mixture can enter the communication channel through the inlet, the exhaust rotor is provided with a first through hole, the first through hole is communicated with an inner side wall of the exhaust rotor and an outer side wall of the exhaust rotor, the oil-gas mixture can enter the first through hole through the communication channel, the exhaust rotor rotates around the center line of the exhaust stator, so that the oil-gas mixture is separated in the first through hole, and then is discharged from the first through hole, which can overcome the defect that in the prior art, the oil in the compressor is easily taken away by the refrigerant gas and discharged to the outside of the compressor when the compressor works, and the oil discharge rate of the compressor is increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of compressors, in particular to an exhaust assembly and a compressor. BACKGROUND

[0002] Scroll compressors are widely used in air conditioning and heat pump systems due to their high efficiency, small size, and smooth operation. Traditional scroll compressors use an oil supply structure to supply refrigerant oil from the compressor bottom oil pool to the pump body through the crankshaft, thereby lubricating the pump body end face. This results in a large amount of oil being mixed with the refrigerant gas discharged from the static plate during pump body operation, causing the oil inside the compressor to be carried away by the refrigerant gas and discharged to the outside of the compressor, increasing the oil discharge rate of the compressor, reducing the performance of the compressor, and easily causing the pump body to experience oil deficiency and wear.

[0003] Since the compressor in the prior art is prone to oil being carried away by the refrigerant gas and discharged to the outside of the compressor during operation, resulting in an increased oil discharge rate of the compressor and reduced performance of the compressor, and easily causing the pump body to experience oil deficiency and wear, the present application researches and designs an exhaust assembly and a compressor. SUMMARY

[0004] Therefore, the technical problem to be solved by the present application is to overcome the defect that the oil inside the compressor is easily carried away by the refrigerant gas and discharged to the outside of the compressor during operation of the compressor in the prior art, thereby providing an exhaust assembly and a compressor.

[0005] To solve the above problems, the present application provides an exhaust assembly, which comprises:

[0006] An exhaust rotor and an exhaust stator, the exhaust rotor being sleeved on the exhaust stator, the exhaust stator being provided with a communication passage and an inlet, the inlet being in communication with the communication passage to enable an oil-gas mixture to enter the communication passage through the inlet, the exhaust rotor being provided with a first through hole, the first through hole being in communication with the inner side wall of the exhaust rotor and the outer side wall of the exhaust rotor, the oil-gas mixture being able to enter the first through hole through the communication passage, the exhaust rotor being rotated around the center line of the exhaust stator to cause the oil-gas mixture to separate oil and gas in the first through hole and then be discharged from the first through hole.

[0007] In some embodiments, in the direction of the center line of the exhaust stator, the exhaust rotor has a first position at which the first through hole is not in communication with the communication passage, a second position at which the first through hole is in communication with the communication passage, and the oil-gas mixture in the communication passage is able to drive the exhaust rotor to move between the first position and the second position.

[0008] In some embodiments, the exhaust rotor is provided with a first recess, one end of the exhaust stator is provided with the inlet, the other end of the exhaust stator is located in the first recess, and the outlet of the communication channel is arranged on the other end of the exhaust stator, so that the oil-gas mixture can enter the first recess through the communication channel to move the exhaust rotor between the first position and the second position.

[0009] In some embodiments, the exhaust rotor comprises a first part and a second part, the first part is connected to the second part, the first through hole is arranged on the second part, the first recess is arranged on the second part, and the first recess is at least partially located in the first part, the width of the first part is L1, the height of the first part is H1, the width of the second part is L2, the height of the second part is H2, and L1:L2=1:2-2.5 and H1:H2=2-2.5:1.

[0010] In some embodiments, the inner wall of the exhaust rotor is circular in cross section, and the inner wall of the exhaust rotor has a tangent line at the intersection of the center line of the first through hole and the inner wall of the exhaust rotor, and the tangent line and the center line of the first through hole form an included angle, which is an obtuse angle or an acute angle.

[0011] In some embodiments, the communication channel comprises a third through hole and a second through hole, the second through hole penetrates the end of the exhaust stator, the third through hole penetrates the side wall of the exhaust stator, and the second through hole and the third through hole communicate with the inlet, so that the oil-gas mixture can enter between the exhaust stator and the exhaust rotor through the second through hole to move the exhaust rotor between the first position and the second position, and the oil-gas mixture can enter the first through hole through the third through hole to rotate the exhaust rotor around the center line of the exhaust stator.

[0012] In some embodiments, the exhaust assembly further comprises a static scroll, the static scroll is provided with an exhaust port, the exhaust stator is arranged on the static scroll, the inlet communicates with the exhaust port, and the static scroll is provided with a second recess, so that the liquid discharged from the first through hole can flow into the second recess for confluence.

[0013] In some embodiments, the static scroll is provided with an oil return hole, the oil return hole penetrates the static scroll along the axial direction of the static scroll, and the oil return hole communicates with the second recess, so that the liquid in the second recess can flow into the pump body of the compressor through the oil return hole.

[0014] In some embodiments, the exhaust assembly further comprises a muffler, the muffler is arranged on the static scroll, an inner wall of the muffler and the static scroll enclose a cavity, an outlet is arranged on the muffler, the outlet communicates with the cavity, the exhaust rotor and the exhaust stator are located in the cavity, when the exhaust rotor rotates, the liquid discharged from the first through hole can move to the inner wall of the muffler, thereby flowing into the second groove.

[0015] In some embodiments, the muffler is arranged in the second groove, and a gap exists between an outer wall of the muffler and an inner wall of the second groove.

[0016] The application further provides a compressor comprising any one of the exhaust assemblies.

[0017] The application provides an exhaust assembly and a compressor, the exhaust stator is provided with a communication channel and an inlet, the inlet communicates with the communication channel, when installed, the exhaust stator is installed on the static scroll, the inlet communicates with the exhaust port of the static scroll, when the compressor operates, the oil-gas mixture can enter the communication channel through the exhaust, the exhaust rotor is sleeved on the exhaust stator, the first through hole communicates with the communication channel, the oil-gas mixture enters the first through hole through the communication channel, and pushes the exhaust rotor to rotate around the center line of the exhaust stator, thereby the oil-gas mixture in the first through hole is separated under the action of centrifugal force, and finally discharged out of the exhaust rotor through the first through hole, which solves the problem of poor oil separation in the cavity of the existing compressor, reduces the oil discharge rate of the compressor, and improves the performance and reliability of the compressor. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an exploded view of the exhaust assembly of the embodiment of the application;

[0019] Figure 2 It is a front view of the exhaust rotor of the exhaust assembly of the embodiment of the application;

[0020] Figure 3 It is a longitudinal sectional view of the exhaust rotor of the exhaust assembly of the embodiment of the application;

[0021] Figure 4 It is a transverse sectional view of the exhaust rotor of the exhaust assembly of the embodiment of the application;

[0022] Figure 5 It is a perspective view of the exhaust rotor of the exhaust assembly of the embodiment of the application;

[0023] Figure 6 It is a perspective view of the exhaust stator of the exhaust assembly of the embodiment of the application;

[0024] Figure 7Figure 1 is a front view of an exhaust stator of an exhaust assembly according to an embodiment of the present application;

[0025] Figure 8 Figure 2 is a longitudinal sectional view of the exhaust stator of the exhaust assembly according to an embodiment of the present application;

[0026] Figure 9 Figure 3 is a top view of the exhaust stator of the exhaust assembly according to an embodiment of the present application;

[0027] Figure 10 Figure 4 is a perspective view of a muffler of the exhaust assembly according to an embodiment of the present application;

[0028] Figure 11 Figure 5 is a front view of the muffler of the exhaust assembly according to an embodiment of the present application;

[0029] Figure 12 Figure 6 is a sectional view of the muffler of the exhaust assembly according to an embodiment of the present application;

[0030] Figure 13 Figure 7 is a top view of the muffler of the exhaust assembly according to an embodiment of the present application;

[0031] Figure 14 Figure 8 is a top view of a static scroll of the exhaust assembly according to an embodiment of the present application;

[0032] Figure 15 Figure 9 is a sectional view of the static scroll of the exhaust assembly according to an embodiment of the present application;

[0033] Figure 16 Figure 10 is a partial enlarged view of the static scroll of the exhaust assembly according to an embodiment of the present application;

[0034] Figure 17 Figure 11 is a sectional view of the exhaust assembly when at rest according to an embodiment of the present application;

[0035] Figure 18 Figure 12 is a partial enlarged view of the exhaust assembly when at rest according to an embodiment of the present application;

[0036] Figure 19 Figure 13 is a sectional view of the exhaust assembly when in operation according to an embodiment of the present application;

[0037] Figure 20 Figure 14 is a partial enlarged view of the exhaust assembly when in operation according to an embodiment of the present application;

[0038] Figure 21 Figure 15 is a top view of the exhaust assembly when in operation according to an embodiment of the present application;

[0039] Figure 22 Figure 16 is a transverse sectional view of the exhaust assembly when in operation according to an embodiment of the present application.

[0040] The reference signs are indicated as follows:

[0041] 1 muffler; 2 exhaust rotor; 3 exhaust stator; 4 static scroll; 5 third through hole; 6 second through hole; 7 first groove; 8 first through hole; 9 second groove; 10 oil return hole; 11 outlet. DETAILED DESCRIPTION

[0042] BRIEF DESCRIPTION OF DRAWINGS Figures 1 to 22 According to the embodiment of the present application, an exhaust assembly is provided, comprising: an exhaust rotor 2 and an exhaust stator 3, the exhaust rotor 2 being sleeved on the exhaust stator 3, the exhaust stator 3 being provided with a communication passage and an inlet, the inlet being communicated with the communication passage to enable the oil-gas mixture to enter the communication passage through the inlet, the exhaust rotor 2 being provided with a first through hole 8, the first through hole 8 being communicated with the inner side wall of the exhaust rotor 2 and the outer side wall of the exhaust rotor 2, the oil-gas mixture being able to enter the first through hole 8 through the communication passage, the exhaust rotor 2 being rotated around the center line of the exhaust stator 3, so that the oil-gas mixture is separated in the first through hole 8, and then discharged from the first through hole 8. Figure 1 According to the embodiment of the present application, an exhaust assembly is provided, comprising: an exhaust rotor 2 and an exhaust stator 3, the exhaust rotor 2 being sleeved on the exhaust stator 3, the exhaust stator 3 being provided with a communication passage and an inlet, the inlet being communicated with the communication passage to enable the oil-gas mixture to enter the communication passage through the inlet, the exhaust rotor 2 being provided with a first through hole 8, the first through hole 8 being communicated with the inner side wall of the exhaust rotor 2 and the outer side wall of the exhaust rotor 2, the oil-gas mixture being able to enter the first through hole 8 through the communication passage, the exhaust rotor 2 being rotated around the center line of the exhaust stator 3, so that the oil-gas mixture is separated in the first through hole 8, and then discharged from the first through hole 8.

[0043] In some embodiments, the exhaust rotor 2 has a first position in which the first through hole 8 is not in communication with the communication passage, a second position in which the first through hole 8 is in communication with the communication passage, and the oil-gas mixture in the communication passage can push the exhaust rotor 2 to move between the first position and the second position in the center line direction of the exhaust stator 3. In this technical solution, the exhaust rotor 2 can move on the exhaust stator 3 in the center line direction of the exhaust stator 3, the exhaust rotor 2 has a first position in which the first through hole 8 is not in communication with the communication passage, a second position in which the first through hole 8 is in communication with the communication passage, the first position and the second position are arranged in an up-down manner, when the exhaust rotor 2 is located at the first position, the first through hole 8 is blocked and sealed by the outer wall of the exhaust stator 3, the oil-gas mixture in the communication passage can push the exhaust rotor 2 to move between the first position and the second position, when the exhaust rotor 2 is located at the second position, the first through hole 8 is in communication with the communication passage, a part of the oil-gas mixture in the communication passage continues to provide a pushing force for the exhaust rotor 2, so that the exhaust rotor 2 is kept at the second position, another part of the oil-gas mixture enters the first through hole 8 and pushes the exhaust rotor 2 to rotate around the center line of the exhaust stator 3, so that the oil-gas mixture in the first through hole 8 is separated by centrifugal force. When the compressor stops running, the pump body stops exhausting, and the exhaust rotor 2 falls back to block the radial and axial through holes of the exhaust stator 3, thereby achieving the purpose of preventing reverse rotation of exhaust.

[0044] In some embodiments, referring to Figures 3 to 5 As shown in the figure, the exhaust rotor 2 is provided with a first groove 7, one end of the exhaust stator 3 is provided with the inlet, the other end is located in the first groove 7, and the outlet of the communication passage is arranged on the other end of the exhaust stator 3, so that the oil-gas mixture can enter the first groove 7 through the communication passage to make the exhaust rotor 2 move between the first position and the second position. In this technical solution, the exhaust rotor 2 is provided with a first groove 7, the other end of the exhaust stator 3 is located in the first groove 7, and the outlet of the communication passage is arranged on the other end of the exhaust stator 3, when the oil-gas mixture enters the first groove 7 through the communication passage, the exhaust rotor 2 can move up and down along the outer wall of the exhaust stator 3, when the exhaust rotor 2 moves to the second position, the first through hole 8 is in communication with the communication passage, so that the exhaust rotor 2 rotates, and the oil-gas mixture is separated in the first through hole 8.

[0045] In some embodiments, referring to Figure 2As shown, the exhaust rotor 2 comprises a first part and a second part, the first part is connected with the second part, the first through hole 8 is arranged on the second part, the first recess 7 is arranged on the second part, and the first recess 7 is at least partially located in the first part, the width of the first part is L1, the height of the first part is H1, the width of the second part is L2, and the height of the second part is H2, which satisfies L1:L2=1:2-2.5 and H1:H2=2-2.5:1. In the technical scheme, the exhaust rotor 2 comprises the first part and the second part, the width of the first part is L1, the height of the first part is H1, the width of the second part is L2, and the height of the second part is H2, which satisfies H1:H2=2-2.5:1, so that the exhaust rotor 2 has sufficient movement distance, and it is ensured that the exhaust rotor 2 cannot fall off from the exhaust stator 3, L1:L2 is 1:2-2.5, so that the first through hole 8 has sufficient length, and when the exhaust rotor 2 rotates, the oil-gas mixture collides on the inner wall of the first through hole 8 under the action of centrifugal force, so as to separate the oil-gas. The structure at least comprises an exhaust stator and an exhaust rotor; the exhaust stator of the application is as follows Figure 4 As shown, the exhaust stator is provided with a radial through hole 3-a and an axial through hole 3-b, and the radial through hole and the axial through hole are communicated; the exhaust stator is installed on a static disc; the exhaust rotor 2 is divided into two layers, the width L1:L2 of which is 1:2, and the height H1:H2 of which is 2:1; the exhaust rotor is provided with an axial first recess 7 and a radial inclined hole, i.e. a first through hole 8, which are communicated, the radial inclined hole is arranged in the lower layer of the exhaust rotor, and preferably, the number of the radial inclined holes is 3-6, which are uniformly distributed in the lower layer of the exhaust rotor; the exhaust rotor 2 is arranged on the exhaust stator 3 and can slide up and down along the exhaust stator 3; when the gas is discharged from the axial second through hole 6 of the exhaust stator 3, the exhaust rotor 2 moves upward along the exhaust stator 3 under force, and when the inclined hole of the exhaust rotor 2 moves to the radial third through hole 5 of the stator, a part of the gas flows into the inclined hole of the exhaust rotor from the radial third through hole 5a, and the exhaust rotor 2 rotates under force; when the mixed gas flows out from the exhaust port, the exhaust rotor 2 moves under the upward force, and when the inclined hole of the exhaust rotor 2 moves to the radial third through hole 5 of the exhaust stator 3, the exhaust rotor is subjected to a radial force; however, the radial inclined hole of the exhaust rotor has a certain angle, so that when the mixed gas is sprayed out from the inclined hole, the exhaust rotor is subjected to a bending moment, and the center line of the third through hole 5 and the center line of the first through hole 8 are not perpendicular to each other.

[0046] In some embodiments, taking the cross section of the exhaust rotor 2 as a projection surface, the inner wall of the exhaust rotor 2 is circular, and on the inner wall of the exhaust rotor 2, a tangent is provided at the intersection of the center line of the first through hole 8 and the inner wall of the exhaust rotor 2. There is an angle between the tangent and the center line of the first through hole 8, and the angle is an obtuse angle or an acute angle. In this technical solution, the inner wall of the exhaust rotor 2 is circular, and a tangent is provided on the inner wall of the exhaust rotor 2 at the intersection of the center line of the first through hole 8 and the inner wall of the exhaust rotor 2. There is an angle between the tangent and the center line of the first through hole 8, and the angle is an obtuse angle or an acute angle, so that after the oil-gas mixture enters the first through hole 8, it can collide with the inner wall of the first through hole 8, so that the exhaust rotor 2 rotates under the action of thrust, generates centrifugal force, separates the oil and gas in the first through hole 8, and discharges the oil and gas from the first through hole 8. Preferably, a plurality of first through holes 8 are provided along the circumference of the exhaust rotor 2, so that when the exhaust rotor 2 rotates, each first through hole 8 can flow into the oil-gas mixture, thereby generating uniform and continuous thrust on the exhaust rotor 2, ensuring stable rotation of the exhaust rotor 2.

[0047] In some embodiments, see Figures 6 to 9 As shown, the communicating passage includes a third through hole 5 and a second through hole 6, the second through hole 6 passes through the end of the exhaust stator 3, the third through hole 5 passes through the side wall of the exhaust stator 3, and the second through hole 6 and the third through hole 5 are connected to the inlet, and the oil-gas mixture enters between the exhaust stator 3 and the exhaust rotor 2 through the second through hole 6, so that the exhaust rotor 2 moves between the first position and the second position, and the oil-gas mixture can enter the first through hole 8 through the third through hole 5, so that the exhaust rotor 2 rotates around the center line of the exhaust stator 3. In this technical solution, the connecting passage includes a third through hole 5 and a second through hole 6. The second through hole 6 passes through the end of the exhaust stator 3, and the third through hole 5 passes through the side wall of the exhaust stator 3. The second through hole 6 and the third through hole 5 communicate with the inlet. The oil-gas mixture enters between the exhaust stator 3 and the exhaust rotor 2 through the second through hole 6, thereby generating thrust on the exhaust rotor 2, pushing the exhaust rotor 2 from the first position to the second position. The oil-gas mixture can enter the first through hole 8 through the third through hole 5, so that the exhaust rotor 2 rotates about the center line of the exhaust stator 3. As a result, the oil-gas mixture is separated by centrifugal force and discharged from the first through hole 8. Of course, the third through hole 5 and the second through hole 6 can also be connected so that the center lines of the third through hole 5 and the second through hole 6 form a cross. The oil-gas mixture is simultaneously transported to the third through hole 5 and the second through hole 6 through the inlet. A plurality of third through holes 5 can also be provided, corresponding one-to-one with the first through holes 8, to ensure that the exhaust volume of the first through hole 8 increases when the exhaust rotor 2 rotates.

[0048] In some embodiments, the exhaust assembly further comprises a static scroll 4, the static scroll 4 is provided with an exhaust port, the exhaust stator 3 is arranged on the static scroll 4, the inlet communicates with the exhaust port, and the static scroll 4 is provided with a second groove 9, and the liquid discharged from the first through hole 8 can flow into the second groove 9 for flow collection. In the technical scheme, the exhaust assembly further comprises a static scroll 4, the static scroll 4 is provided with an exhaust port, the exhaust stator 3 is arranged on the static scroll 4, the inlet communicates with the exhaust port, so that the oil-gas mixture discharged from the static scroll 4 is transported into the communication channel, preferably, during installation, the opening of the inlet completely covers the exhaust port, and the exhaust stator 3 is arranged in sealing between the surface of the inlet and the static scroll 4, so that the oil-gas mixture discharged from the exhaust port completely enters the communication channel, and the static scroll 4 is provided with a second groove 9, so that the second groove 9 serves as a flow collection groove to collect the separated liquid and finally flow back to the inner cavity of the compressor to continue lubricating various components as lubricant, thereby improving the utilization rate of the liquid.

[0049] In some embodiments, referring to Figures 14 to 16 Fig. 4, the static scroll 4 is provided with an oil return hole 10, the oil return hole 10 penetrates the static scroll 4 along the axial direction of the static scroll 4, and the oil return hole 10 communicates with the second groove 9, and the liquid in the second groove 9 can flow into the pump body of the compressor through the oil return hole 10. In the technical scheme, the liquid collected in the second groove 9 is returned to the pump body of the compressor or the oil pool of the compressor through the oil return hole 10, so as to be used twice, improve the utilization rate of the lubricating oil, and improve the performance of the compressor.

[0050] In some embodiments, referring to Figures 10 to 13 Fig. 4, the exhaust assembly further comprises a muffler 1, the muffler 1 is arranged on the static scroll 4, the inner wall of the muffler 1 and the static scroll 4 form a cavity, the muffler 1 is provided with an outlet 11, the outlet 11 communicates with the cavity, and the exhaust rotor 2 and the exhaust stator 3 are located in the cavity, when the exhaust rotor 2 rotates, the liquid discharged from the first through hole 8 can move to the inner wall of the muffler 1, so as to flow into the second groove 9. In the technical scheme, the muffler 1 is arranged on the static scroll 4, the gas separated from the first through hole 8 is discharged from the outlet 11 of the muffler 1, the inner wall of the muffler 1 and the static scroll 4 form a cavity, so that the high-pressure gas can be damped in the cavity, when the exhaust rotor 2 rotates, the liquid discharged from the first through hole 8 can move to the inner wall of the muffler 1, so as to flow into the second groove 9, and the liquid separated from the first through hole 8 is thrown to the inner wall of the muffler 1 under the action of centrifugal force, and then flows into the second groove 9.

[0051] In some embodiments, the silencer 1 is arranged in the second groove 9, and there is a gap between the outer wall of the silencer 1 and the inner wall of the second groove 9. In this technical solution, the silencer 1 is arranged in the second groove 9, and there is a gap between the outer wall of the silencer 1 and the inner wall of the second groove 9, so that the separated liquid in the first through hole 8 is thrown to the inner wall of the silencer 1 under the action of centrifugal force, then flows along the wall into the second groove 9 on the static scroll 4 under the action of gravity, and then enters the end surface of the static scroll 4 through the oil return hole 10, thereby achieving the effect of lubricating the pump body. The static scroll of the present application is provided with a second groove 9 and an oil return hole 10, as shown in Figures 17 to 22 When the compressor is in a static state, the radial third through hole 5 of the exhaust stator 3 and the axial second through hole 6 are blocked by the exhaust rotor 2, the radial inclined hole of the exhaust rotor 2 is located below the radial third through hole 5 of the exhaust stator 3, and the radial inclined hole is the first through hole 8. When the compressor is running, the oil-gas mixture discharged from the pump body is discharged through the axial second through hole 6 of the exhaust stator 3, at this time the exhaust rotor 2 is subjected to an upward force and moves upward along the exhaust stator 3, when the radial inclined hole of the exhaust rotor 2 moves to the radial third through hole 5 of the exhaust stator 3, a part of the oil-gas mixture will be discharged along the radial inclined hole of the exhaust rotor 2, at this time the radial inclined hole rotates under force, thereby separating the oil-gas mixture by centrifugal force. The silencer 1 is arranged on the static scroll 4, the separated gas is discharged from the first through hole 8 of the silencer 1, and small oil droplets are thrown to the inner wall of the silencer 1 under the action of centrifugal force and flow along the wall into the second groove 9 on the static scroll 4, and then enter the static scroll 4 through the oil return hole 10, thereby achieving the effect of lubricating the pump body. When the compressor is running, the pump body stops discharging, the exhaust rotor 2 falls back to block the radial third through hole 5 and the axial second through hole 6 of the exhaust stator 3, thereby achieving the purpose of preventing reverse rotation of exhaust.

[0052] The present application also provides a compressor comprising the above-mentioned exhaust assembly. The scroll compressor of the present application can solve the problem of poor oil separation effect in the cavity of the existing compressor, reduce oil discharge rate, and improve performance and reliability. The oil separation structure of the scroll compressor of the present application is simple and convenient to process, and has the functions of exhaust anti-reverse rotation and reduced suction resistance.

[0053] The above description is only the preferred embodiment of the present application, and should not be used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The above description is only the preferred embodiment of the present application, and should not be used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An exhaust assembly characterized by: The exhaust rotor (2) and the exhaust stator (3), the exhaust rotor (2) is sleeved on the exhaust stator (3), the exhaust stator (3) is provided with a communication channel and an inlet, the inlet is communicated with the communication channel, so that the oil-gas mixture can enter the communication channel through the inlet, the exhaust rotor (2) is provided with a first through hole (8), the first through hole (8) is communicated with the inner side wall of the exhaust rotor (2) and the outer side wall of the exhaust rotor (2), the oil-gas mixture can enter the first through hole (8) through the communication channel, so that the exhaust rotor (2) rotates around the center line of the exhaust stator (3), so that the oil-gas mixture separates in the first through hole (8), and then is discharged from the first through hole (8). In the direction of the center line of the exhaust stator (3), the exhaust rotor (2) has a first position that makes the first through hole (8) not communicated with the communication channel, a second position that makes the first through hole (8) communicated with the communication channel, and the oil-gas mixture in the communication channel can drive the exhaust rotor (2) to move between the first position and the second position. The exhaust rotor (2) is provided with a first groove (7), one end of the exhaust stator (3) is provided with the inlet, the other end is located in the first groove (7), and the outlet of the communication channel is arranged on the other end of the exhaust stator (3), so that the oil-gas mixture can enter the first groove (7) through the communication channel, so that the exhaust rotor (2) moves between the first position and the second position.

2. The exhaust assembly of claim 1, wherein: The exhaust rotor (2) comprises a first part and a second part, the first part is connected with the second part, the first through hole (8) is arranged on the second part, the first groove (7) is arranged on the second part, and the first groove (7) is at least partially located in the first part, the width of the first part is L1, the height of the first part is H1, the width of the second part is L2, the height of the second part is H2, and L1: L2=1:2-2.5, H1: H2=2-2.5:

1.

3. The exhaust assembly of claim 2, wherein: The communication channel comprises a third through hole (5) and a second through hole (6), the second through hole (6) penetrates the end of the exhaust stator (3), the third through hole (5) penetrates the side wall of the exhaust stator (3), and the second through hole (6) and the third through hole (5) are communicated with the inlet, so that the oil-gas mixture enters between the exhaust stator (3) and the exhaust rotor (2) through the second through hole (6), so that the exhaust rotor (2) moves between the first position and the second position, and the oil-gas mixture can enter the first through hole (8) through the third through hole (5), so that the exhaust rotor (2) rotates around the center line of the exhaust stator (3).

4. The exhaust assembly of claim 1, wherein: ​ 5. The exhaust assembly of claim 1, wherein: The exhaust assembly further comprises a static scroll (4) having an exhaust port, the exhaust stator (3) is arranged on the static scroll (4), the inlet communicates with the exhaust port, the static scroll (4) is provided with a second groove (9), after the liquid in the first through hole (8) is discharged, the liquid can flow into the second groove (9) to converge.

6. The exhaust assembly of claim 5, wherein: The static scroll (4) is provided with an oil return hole (10) penetrating the static scroll (4) along the axial direction of the static scroll (4), and the oil return hole (10) communicates with the second groove (9), and the liquid in the second groove (9) can flow into the pump body of the compressor through the oil return hole (10).

7. The exhaust assembly of claim 5, wherein: The exhaust assembly further comprises a muffler (1), the muffler (1) is arranged on the static scroll (4), the inner wall of the muffler (1) and the static scroll (4) form a cavity, the muffler (1) is provided with an outlet (11), the outlet (11) communicates with the cavity, the exhaust rotor (2) and the exhaust stator (3) are located in the cavity, when the exhaust rotor (2) rotates, the liquid discharged by the first through hole (8) can move to the inner wall of the muffler (1), thereby flowing into the second groove (9).

8. The exhaust assembly of claim 7, wherein: The muffler (1) is arranged in the second groove (9), and there is a gap between the outer wall of the muffler (1) and the inner wall of the second groove (9).

9. The exhaust assembly of claim 1, wherein: With the cross section of the exhaust rotor (2) as a projection plane, the inner wall of the exhaust rotor (2) is circular, and the exhaust rotor (2) is provided with a tangent at the intersection between the center line of the first through hole (8) and the inner wall of the exhaust rotor (2), and there is an included angle between the tangent and the center line of the first through hole (8), the included angle is obtuse or acute.

10. A compressor characterized by: The exhaust assembly comprises the exhaust assembly according to any one of claims 1-9. The exhaust assembly comprises the exhaust assembly according to any one of claims 1-9.

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