CN113175430A - Oil separator of compressor, compressor and air conditioner - Google Patents

Abstract

The compressor comprises a shell, wherein the oil separator is arranged inside the shell, and the shell is provided with an oil equalizing hole which can lead out oil inside the shell; the oil separator is arranged at the position of the oil equalizing hole and can shield the oil equalizing hole, the oil separator can suck oil-gas mixture flowing from the upper part of the oil separator and perform oil-gas separation in the oil separator, the separated oil can reach an oil pool at the bottom of the compressor, and the separated gas can return to the shell. According to the oil-gas mixing device, the condition that the oil-gas mixture is discharged outwards from the oil equalizing hole can be effectively avoided or reduced, and the mixing degree of the lower cavity is reduced; the influence of wall surface backflow is isolated, fluid after wall surface oil return and downward flow is prevented from being directly sucked away by the oil equalizing pipe, and the oil discharge rate of the compressor is reduced; the condition that the fluid carries oil when the fluid vortex near the oil equalizing pipe in the lower cavity of the motor is stirred is reduced, and the oil spitting rate of the compressor is reduced.

Description

Oil separator of compressor, compressor and air conditioner

Technical Field

The disclosure relates to the technical field of compressors, in particular to an oil separator of a compressor, the compressor and an air conditioner.

Background

At present, the scroll compressor of multi-split general adoption, for the lubricating oil in the balanced many compressors, can set up the oil equalizing pipe structure, lubricating oil volume increases in the compressor, and the liquid level surpasss oil equalizing pipe back, because oil equalizing pipe upper end is connected in the blast pipe, and the velocity of flow is high in it, according to the bernoulli principle, forms the low pressure, will too much lubricating oil suction compressor. At present, an oil equalizing pipe adopted by a scroll compressor is generally connected with a lower cavity of a motor, a fluid subjected to edge cutting backflow forms a vortex at an inlet of the oil equalizing pipe, so that oil-gas separation is not facilitated, and meanwhile, a mixed fluid can be directly sucked by the oil equalizing pipe, so that the defects of high oil discharge rate and low refrigerating capacity of the compressor are caused; and part of the fluid directly impacts the liquid level through the gap of the support ring, so that the liquid level fluctuates.

The multi-connected compressor in the prior art has the advantages that the exhaust oil mixture cannot be effectively separated and is sucked out from the oil equalizing pipe, so that the oil discharging rate of the compressor is high; the oil-gas mixture flows back downwards on the inner wall of the compressor and is sucked out from the oil equalizing pipe, so that the oil discharging rate of the compressor is high; when fluid vortex nearby an oil equalizing pipe in a lower cavity of the motor is stirred, the fluid with oil is directly discharged from an oil equalizing pipe interface, so that the oil discharging rate of the compressor is high; partial fluid directly strikes the liquid level through the support ring clearance, has caused technical problem such as liquid level fluctuation, therefore this disclosure research design a compressor oil separator, compressor and air conditioner.

BRIEF SUMMARY OF THE PRESENT DISCLOSURE

Therefore, the technical problem to be solved by the present disclosure is to overcome the defect that the prior art compressor has a high oil discharge rate due to the fact that the discharge oil mixture cannot be effectively separated and is sucked out from an oil equalizing pipe inside the compressor, so as to provide an oil separator of the compressor, the compressor and an air conditioner.

In order to solve the above problems, the present disclosure provides an oil separator of a compressor, wherein:

the compressor comprises a shell, the oil separator is arranged inside the shell, an oil equalizing hole is formed in the shell, and the oil equalizing hole can lead out oil inside the shell;

the oil separator is arranged at the position of the oil equalizing hole and can shield the oil equalizing hole, the oil separator can suck oil-gas mixture flowing from the upper part of the oil separator and perform oil-gas separation in the oil separator, separated oil can reach an oil pool at the bottom of the compressor, and separated gas can return to the shell.

In some embodiments, the oil separator includes a first portion and a second portion engaged to define a separation chamber therebetween, and a third portion at a bottom of the separation chamber, the separation chamber being capable of drawing in the mixture of hydrocarbons flowing therebelow, the third portion being capable of receiving the impact of the mixture of hydrocarbons from the separation chamber to produce a hydrocarbon separation.

In some embodiments, the third portion and the first portion can define a first passage therebetween that allows separated oil to pass therethrough, and the third portion and the first portion can further define a second passage and/or a third passage therebetween that allows separated gas to pass therethrough.

In some embodiments, the third portion comprises a first divider panel, a second divider panel, and a third divider panel, the second divider panel being located between the first divider panel and the third divider panel, and the first divider panel, the second divider panel, the third divider panel, and the first portion collectively defining the first channel;

the first divider and the first portion together define a second channel when included, and/or a third divider and the first portion together define a third channel when included.

In some embodiments, the height of the upper end surface of the first partition plate is higher than the height of the upper end surface of the second partition part, and/or the height of the upper end surface of the third partition plate is higher than the height of the upper end surface of the second partition part.

In some embodiments, a first end face of the first separator plate facing the first portion is disposed closer to the first portion than a second end face of the second separator plate facing the first portion, and a third end face of the third separator plate facing the first portion is disposed closer to the first portion than the second end face of the second separator plate facing the first portion; the first channel includes a first groove structure collectively defined by the first end face, the second end face, and the third end face.

In some embodiments, the second portion includes a base plate and a flow guiding portion, the base plate is fixedly connected to the housing, a lower end of the base plate is connected to the third portion, the flow guiding portion is connected to the base plate, the flow guiding portion is located above the third portion, and the flow guiding portion is capable of guiding a top-down airflow to the third portion.

In some embodiments, the second portion further comprises a filter element, and the filter element (43) is positioned above the flow guide, enabling filtering of the air flow above the flow guide.

In some embodiments, the flow guide part comprises a first flow guide plate and a second flow guide plate, a first opening is arranged between the upper end of the first flow guide plate and the upper end of the second flow guide plate, a second opening is arranged between the lower end of the first flow guide plate and the lower end of the second flow guide plate, and the width of the first opening is larger than that of the second opening.

In some embodiments, when the second portion further comprises a filter component:

one end of the filtering component is connected to the upper end of the first guide plate, and the other end of the filtering component is connected to the upper end of the second guide plate; and/or the filtering component is of a filter screen structure.

In some embodiments, the filter element is an upwardly convex dome; and/or the projection surface of the first guide plate on the substrate is of an arc-shaped plate structure, and the projection surface of the second guide plate on the substrate is of an arc-shaped plate structure.

In some embodiments, the first portion includes a second recess structure capable of receiving the third portion therein.

In some embodiments, a lower end of the second groove structure is a discharge port from which oil is discharged, a lower end of a portion of the first portion opposite to the first partition plate is formed as a first discharge port, the second passage communicates with the first discharge port to discharge gas, and the first discharge port is oriented in a non-vertical direction; a lower end of a portion of the first portion opposite to the third partition plate is formed as a second gas outlet, and the third passage communicates with the second gas outlet to discharge gas, the second gas outlet being oriented in a non-vertical direction.

In some embodiments, when the second portion comprises a flow guide: the second groove structure comprises a first section and a second section which are distributed from top to bottom along the vertical direction, the first section contains the flow guide part, the second section contains the third part, and the volume of the first section is smaller than that of the second section.

In some embodiments, the third portion further comprises a first transverse plate, one end of the first transverse plate being connected to the first partition plate and the other end extending in a non-vertical direction to direct the airflow out towards the first exhaust port; the third portion further includes a second transverse plate having one end connected to the third dividing plate and another end extending in a non-vertical direction to direct airflow toward the second exhaust port.

In some embodiments, the second partition comprises a cavity facing the housing, the cavity being communicable with the oil equalizing hole;

the first partition plate is provided with a first balance hole, one end of the first balance hole can be communicated with the cavity, the other end of the first balance hole can be communicated to the outside of the first partition plate, and oil in the shell can be led into the cavity through the first balance hole and led out through the oil equalizing hole; and/or a second balance hole is formed in the second partition plate, one end of the second balance hole can be communicated with the cavity, the other end of the second balance hole can be communicated to the outside of the second partition plate, and oil in the shell can be guided into the cavity through the first balance hole and guided out through the oil balancing hole.

In some embodiments, the first balance hole has a height equal to a height of the oil equalizing hole, and the second balance hole has a height equal to a height of the oil equalizing hole.

The present disclosure further provides a compressor, which includes the oil distributor of any one of the foregoing compressors, and further includes the housing, the housing is provided with the oil equalizing hole, and the oil distributor is disposed at the position of the oil equalizing hole.

In some embodiments, the oil-equalizing pipe is located outside the casing, and one end of the oil-equalizing pipe is communicated with the oil-equalizing hole.

The present disclosure also provides an air conditioner including the compressor of any one of the preceding claims.

The oil separator, the compressor and the air conditioner of the compressor have the following beneficial effects:

the oil distributor structure is arranged at the oil equalizing hole in the shell of the compressor, so that oil-gas mixtures from top to bottom can be received and subjected to oil-gas separation, the separated oil is discharged into the bottom oil pool, the separated gas returns to the shell, the newly added oil distributor structure is fixedly connected to the shell on the basis of the original oil equalizing pipe interface, the oil equalizing pipe interface is separated from the fluid flowing back from the upper side, and meanwhile, the oil-gas mixtures are separated by shunting, so that the condition that the oil-gas mixtures are discharged outwards from the oil equalizing hole can be effectively avoided or reduced; firstly, an oil-gas mixture flowing downwards from the cutting edge of the stator is separated by using an oil separating structure, so that the mixing degree of a lower cavity is reduced, and the oil spitting rate of a compressor is reduced; secondly, the influence of wall surface backflow can be effectively isolated, fluid flowing down after the wall surface oil return is prevented from being directly sucked away by the oil equalizing pipe, and the oil spitting rate of the compressor is reduced; the condition that fluid with oil is directly discharged from the interface when fluid vortex nearby an oil equalizing pipe in a lower cavity of the motor is stirred can be reduced, and the oil spitting rate of the compressor is further reduced; this disclosure can also reduce the impact effect of exhaust gas through the support ring clearance to the oil bath liquid level, reduces the oil bath undulant through discharging the gas of separating towards horizontal rather than vertical direction.

Drawings

Fig. 1 is an exploded view of an oil separator of a compressor of the present disclosure;

fig. 2 is a structural view of the compressor of the present disclosure after the oil separator is assembled;

FIG. 3 is a flow path diagram of the air flow and oil within the oil separator of the compressor of the present disclosure;

fig. 4 is a partial sectional view of the compressor of the present disclosure with the oil separator attached to the shell.

The reference numerals are represented as:

100. an oil separator; 1. a housing; 2. an oil equalizing hole; 3. a first portion; 31. a second groove structure; 311. an outlet port; 32. a first exhaust port; 4. a second portion; 41. a substrate; 42. a flow guide part; 421. a first baffle; 422. a second baffle; 43. a filter member; 45. a first opening; 46. a second opening; 5. a separation chamber; 6. a third portion; 61. a first partition plate; 611. a first end face; 612. a first balance hole; 62. a second partition part; 621. a second end face; 622. a cavity; 63. a third partition plate; 631. a third end face; 64. a first transverse plate; 65. a second transverse plate; 7. a first channel; 8. a second channel; 9. a third channel; 10. oil equalizing pipes; 11. and (3) supporting the ring.

Detailed Description

As shown in fig. 1 to 4, the present disclosure provides an oil separator of a compressor, including:

the compressor comprises a shell 1, the oil separator 100 is arranged inside the shell 1, an oil equalizing hole 2 is arranged on the shell 1, and the oil equalizing hole 2 can lead out oil inside the shell 1; the shell of the compressor is connected with an oil equalizing pipe, and the oil equalizing pipe is positioned outside the shell and can be communicated with an oil equalizing hole of the shell;

the oil separator 100 is disposed at the oil equalizing hole 2 and can block the oil equalizing hole 2, the oil separator 100 can suck the oil-gas mixture flowing from above, oil-gas separation is performed in the oil separator 100, the separated oil can reach the bottom oil sump of the compressor, and the separated gas can return to the shell 1.

According to the oil-gas separator, the oil-gas mixture from top to bottom can be received and subjected to oil-gas separation by arranging the oil separator structure at the oil equalizing hole in the shell of the compressor, the separated oil is discharged into the bottom oil pool, the separated gas returns to the shell 1, the newly-added oil separator structure is fixedly connected to the shell on the basis of the original oil equalizing pipe interface, the oil equalizing pipe interface is separated from the fluid reflowing from the upper side, and meanwhile, the oil-gas mixture is separated by shunting, so that the condition that the oil-gas mixture is discharged outwards from the oil equalizing hole can be effectively avoided or reduced; firstly, an oil-gas mixture flowing downwards from the cutting edge of the stator is separated by using an oil separating structure, so that the mixing degree of a lower cavity is reduced, and the oil spitting rate of a compressor is reduced; secondly, the influence of wall surface backflow can be effectively isolated, fluid flowing down after the wall surface oil return is prevented from being directly sucked away by the oil equalizing pipe, and the oil spitting rate of the compressor is reduced; the condition that fluid with oil is directly discharged from the interface when fluid vortex nearby an oil equalizing pipe in a lower cavity of the motor is stirred can be reduced, and the oil spitting rate of the compressor is further reduced; the present disclosure can also reduce the impact of the exhaust gas on the oil pool liquid level through the gap of the support ring 11, reducing the fluctuation of the oil pool by discharging the separated gas in the transverse direction rather than the vertical direction.

In some embodiments, the oil separator 100 comprises a first portion 3 and a second portion 4, the first portion 3 and the second portion 4 are joined to define a separation chamber 5 therebetween, the oil separator 100 further comprises a third portion 6, the third portion 6 is located at the bottom of the separation chamber 5, the separation chamber 5 can suck the oil-gas mixture flowing from above, and the third portion 6 can receive the impact of the oil-gas mixture from the separation chamber 5 to generate oil-gas separation. This is the preferred form of construction of the oil separator of this disclosure, can form the separation chamber through first portion, second portion, and the third portion can be to the oil gas mixture of from top to bottom impact, thereby accomplishes the effect of oil-gas separation.

In some embodiments, a first passage 7 allowing separated oil to circulate can be defined between the third portion 6 and the first portion 3, and a second passage 8 and/or a third passage 9 allowing separated gas to circulate can also be defined between the third portion 6 and the first portion 3. This is disclosed can derive the oil tank to compressor housing bottom through setting up first passageway, can derive the inside to compressor housing to the refrigerant gas of separation through second passageway and third passageway to avoided oil-gas mixture directly to discharge the casing through oil equalizing hole position effectively outside and leaded to the too big condition of compressor oil mass of spouting.

In some embodiments, the third portion 6 comprises a first partition 61, a second partition 62 and a third partition 63, the second partition 62 is located between the first partition 61 and the third partition 63, and the first partition 61, the second partition 62, the third partition 63 and the first portion 3 together define the first channel 7;

the first partition 61 and the first part 3 together define the second channel 8 when a second channel 8 is included and/or the third partition 63 and the first part 3 together define the third channel 9 when a third channel 9 is included.

This is a preferred structural form of the third part of the present disclosure, and a first passage allowing oil to pass therethrough can be defined with the first part in a direction opposite to the oil equalizing holes by the first partition plate, the second partition plate, and the third partition plate, so that oil is discharged from the first passage in front and is discharged downward into the oil sump at the bottom, and a second passage and a third passage can be defined with the first part in a side direction by the first partition plate, so that gas is discharged from the gas discharge port of the side plate.

In some embodiments, the height of the upper end surface of the first partition plate 61 is higher than the height of the upper end surface of the second partition part 62, and/or the height of the upper end surface of the third partition plate 63 is higher than the height of the upper end surface of the second partition part 62. The up end height of first division board and third division board all is higher than the up end height of second division board, can play the effect of blockking to the oil of the up end of impact to second division board, prevent that oil from discharging from the gas passage of curb plate, gaseous is lighter than oil because density, it is in the top of oil, and the side direction of following first division board and third division board respectively and discharged, thereby effectively realize the effect of oil-gas separation and separately deriving, oil water conservancy diversion to bottom oil bath, guarantee the inside sufficient lubricated oil mass of compressor housing, and gaseous then leads back to in the casing, prevent that the refrigerant from leaking outside the casing.

In some embodiments, the first end surface 611 of the first partition plate 61 facing the first part 3 is disposed closer to the first part 3 than the second end surface 621 of the second partition plate 62 facing the first part 3, and the third end surface 631 of the third partition plate 63 facing the first part 3 is disposed closer to the first part 3 than the second end surface 621 of the second partition plate 62 facing the first part; the first channel 7 comprises a first groove structure defined by the first end surface 611, the second end surface 621 and the third end surface 631. According to the oil-gas sealing structure, the first end face of the first partition plate is longer than the second end face of the second partition part, the third end face of the third partition plate is longer than the second end face of the second partition part, the first groove structures can be defined between the three end faces and between the first parts, the first channel allowing oil to pass through is formed, and the first end face and the third end face can play a role in sealing oil and gas.

In some embodiments, the second portion 4 includes a base plate 41 and a flow guiding portion 42, the base plate 41 is fixedly connected to the housing 1, a lower end of the base plate 41 is connected to the third portion 6, the flow guiding portion 42 is connected to the base plate 41, the flow guiding portion 42 is located above the third portion 6, and the flow guiding portion 42 can guide the air flow from top to bottom to the third portion 6. The oil distributor can be fixed at the position of the oil equalizing hole of the shell through the base plate of the second part, the first part is fixedly connected with the second part, and the third part is fixed on the inner wall of the shell through the second part; the guide part can play a role in effectively guiding the oil-gas mixture above to the third part for oil-gas separation.

In some embodiments, the second portion 4 further comprises a filter component 43, the filter component 43 is connected to the base plate 41, and the filter component 43 is located above the flow guide portion 42, and can filter the airflow above the flow guide portion 42. The filter component of this disclosure can filter the oil-gas mixture before getting into water conservancy diversion portion, gets rid of impurity, prevents that impurity from reaching the bottom oil bath via the separator.

In some embodiments, the flow guiding part 42 includes a first flow guiding plate 421 and a second flow guiding plate 422, a first opening 45 is formed between an upper end of the first flow guiding plate 421 and an upper end of the second flow guiding plate 422, a second opening 46 is formed between a lower end of the first flow guiding plate 421 and a lower end of the second flow guiding plate 422, and a width of the first opening 45 is greater than a width of the second opening 46. This is the preferred structural style of the water conservancy diversion portion of this disclosure, namely through first and second guide plate and the opening that forms between the two, can guide the oil air mixture, and the space between the opening is the space that oil air mixture flows.

It is further preferred first guide plate with inject the water conservancy diversion passageway between the second guide plate, and the width of water conservancy diversion passageway from top to bottom reduces gradually.

In some embodiments, when the second portion 4 further comprises a filtering element 43:

one end of the filter element 43 is connected to the upper end of the first flow guide plate 421, and the other end is connected to the upper end of the second flow guide plate 422; and/or, the filtering component 43 is a screen structure. The filtering component of the present disclosure is connected and arranged between the upper ends of the first and second guide plates, and can play a role in fully filtering the oil-gas mixture flowing to the space between the two guide plates.

In some embodiments, the filter element 43 is an upwardly convex dome; and/or the projection surface of the first baffle 421 on the substrate 41 is an arc-shaped plate structure, and the projection surface of the second baffle 422 on the substrate 41 is an arc-shaped plate structure. The filter component sets up to convex domes towards the top and can increase filtration area, and the first and second guide plate of arc plate structure can make the air current lead along the arcwall face, has improved the water conservancy diversion effect.

In some embodiments, the first portion 3 comprises a second groove structure 31, the second groove structure 31 being capable of receiving the third portion 6 therein. Preferably, the first portion 3 has a streamlined outer shape, so that the resistance to the flow of the air stream can be reduced. According to the invention, the second groove structure of the first part can be buckled with the second part and the third part, so that the third part can be effectively accommodated in the second groove structure.

In some embodiments, the lower end of the second groove structure 31 is an oil discharge port 311, the lower end of the portion of the first portion 3 opposite to the first partition plate 61 is formed as a first exhaust port 32, the second passage 8 communicates with the first exhaust port 32 to discharge gas, and the first exhaust port 32 is oriented in a non-vertical direction; the lower end of the portion of the first portion 3 opposite to the third partition plate 63 is formed as a second gas outlet (not shown), and the third passage 9 communicates with the second gas outlet (not shown) oriented in a non-vertical direction to discharge gas. This it is public through the discharge port of second groove structure lower extreme can make oil discharge downwards through first gas vent along the second recess, and the second gas vent that sets up on first gas vent and the opposite side that sets up on the side through setting up on the first part can make the gas of separating blow out towards the side direction through second passageway and third passageway respectively, and not vertical direction, and such setting can effectively avoid the impact of exhaust gas through the support ring clearance to the oil bath liquid level, reduces the oil bath and undulant.

In some embodiments, when the second portion 4 comprises a flow guide 42: second groove structure 31 includes from last first section and the second section that distributes down along vertical direction, first section holds water conservancy diversion portion 42 is wherein, the second section holds third portion 6 is wherein, just first section's volume is less than the volume of second section. This is the preferred structural style of the second groove structure of this disclosure, and the volume of the second section that is located below is greater than the volume of the first section that is located above, because the second section is used for holding the third part, and the first section is used for holding water conservancy diversion portion and filter element, and the volume of third part is greater than water conservancy diversion portion etc. therefore such setting can guarantee to carry out effectual holding to third part and water conservancy diversion portion.

In some embodiments, the third portion 6 further comprises a first transverse plate 64, one end of the first transverse plate 64 is connected to the first partition plate 61, and the other end extends in a non-vertical direction to guide the airflow out toward the first exhaust port 32; the third part 6 further comprises a second transverse plate 65, one end of the second transverse plate 65 being connected to the third dividing wall 63 and the other end extending in a non-vertical direction to direct the airflow towards the second exhaust port (not shown). The air flow blown out from the second channel and the air flow blown out from the third channel can be respectively guided towards the transverse direction through the first transverse plate and the second transverse plate, so that the air is blown out towards the lateral direction, the impact effect of the discharged air on the liquid level of the oil pool through the supporting ring gap is effectively avoided, and the fluctuation of the oil pool is reduced.

In some embodiments, the second partition 62 includes a cavity 622 facing the housing 1, the cavity 622 being communicable with the oil equalizing hole 2;

a first balance hole 612 is formed in the first partition plate 61, one end of the first balance hole 612 can be communicated with the cavity 622, and the other end can be communicated with the outside of the first partition plate 61, and oil in the housing 1 can be led into the cavity 622 through the first balance hole 612 and led out through the oil equalizing hole 2; and/or a second balance hole (not shown) is formed in the third partition plate 63, one end of the second balance hole (not shown) can be communicated with the cavity 622, the other end of the second balance hole can be communicated to the outside of the third partition plate 63, and oil in the shell 1 can be led into the cavity 622 through the first balance hole 612 and led out through the oil equalizing hole 2.

This openly setting through the cavity of second partition portion, can make its intercommunication oil balancing hole intercommunication, and the setting of first balancing hole, can be when rising to the position of first balancing hole and second balancing hole via first and second balancing hole entering cavity in can making the oil bath liquid level of compressor housing bottom, and then outside through oil balancing hole discharge housing, discharge outward through oil balancing hole when the inside oil mass of compressor housing is enough promptly, and if the oil mass is not enough, the oil level is less than first balancing hole, consequently outside the oil balancing hole can not be discharged to the oil in the casing, this disclosed scheme can prevent effectively that the oil-gas mixture that from the top flows down from discharging via oil balancing hole, the oil output of compressor has effectively been reduced.

In some embodiments, the first balance hole 612 has a height equal to that of the oil equalizing holes 2, and the second balance hole (not shown) has a height equal to that of the oil equalizing holes 2. Such design scheme can guarantee to get into the oil in the cavity through first and second balanced hole and can smoothly lead out through the oil equalizing hole, prevents the excessive of oil in the oil bath.

The present disclosure further provides a compressor, which includes the oil distributor of the compressor described in any one of the above, and further includes the housing 1, the housing is provided with the oil equalizing hole 2, and the oil distributor is disposed at the position of the oil equalizing hole 2.

In some embodiments, the oil equalizing pipe 10 is further included, the oil equalizing pipe 10 is located outside the housing 1, and one end of the oil equalizing pipe 10 is communicated with the oil equalizing hole 2.

The oil separator structure is shown in figure 1 and comprises an outer plate (namely a first part), a filter screen and an inner plate (a second part 4), wherein a guide plate, an oil collection platform and a separation plate (the oil collection platform and the separation plate form a third part 6) are arranged on the base plate, and an oil separator assembly is divided into different chambers and flow channels;

a guide plate, an oil collecting platform (a third partition part), a first partition plate and a third partition plate are fixedly arranged on the substrate;

a filter screen is arranged in the structure and is of an upward arched structure;

the flow guide plate is bent inwards to guide the fluid to the center;

the oil collecting platform is arc-shaped and is lowest near the center;

the lower cavity is divided into 4 parts by the partition plate, airflow channels (a second channel 8 and a third channel 9) are arranged on two sides, an oil return channel (a first channel 7) is arranged in the front of the middle, and an oil equalizing pipe inlet cavity (namely a cavity 622) is arranged on the rear part;

the upper edges of the partition plates at the two sides are 2-3mm higher than the oil collecting table, so that collected lubricating oil is prevented from flowing downwards through the airflow channels at the two sides and being mixed again;

the left side and the right side of the partition plate are provided with balance holes which penetrate through an inlet cavity of the oil equalizing pipe, and the height of the lower edge of the partition plate is consistent with that of the lower edge of the oil equalizing pipe so as to ensure that the oil equalizing height of the oil equalizing pipe is consistent;

the flow area of the balance hole is the same as the diameter of the oil equalizing pipe;

the lower end of the partition plate is provided with a first transverse plate and a second transverse plate which can guide fluid to be transversely discharged;

a first exhaust port 32 and a second exhaust port are formed in the lower end of the outer plate in the lateral direction and matched with the first partition plate and the third partition plate to guide out separated gas;

the diameters of the cambered surfaces of the oil distributor base plate and the outer plate installation part are the same as the diameter of the shell, so that the oil distributor base plate and the outer plate installation part are convenient to fixedly connect.

The oil distributor separates the oil equalizing pipe interface from the upper side backflow fluid, in the working process of the compressor, the motor trimming backflow fluid is separated through the turbulence effect of the filter screen, the guide plate and the like, oil flows back through the oil return channel after being collected by the oil collection platform, and gas is transversely discharged through the airflow channels on the two sides. In order to ensure that the oil equalizing effect of the oil equalizing pipe is not influenced, balance holes are formed in the air flow channels on the two sides of the oil distributor. The newly added oil separator structure can bring the following advantages: firstly, an oil-gas mixture flowing downwards from the cutting edge of the stator is separated by using an oil separating structure, so that the mixing degree of a lower cavity is reduced, and the oil spitting rate of a compressor is reduced; secondly, the influence of wall surface backflow is isolated, fluid after the wall surface oil return flows downwards is prevented from being directly sucked away by the oil equalizing pipe, and the oil discharge rate of the compressor is reduced; thirdly, when fluid vortex nearby an oil equalizing pipe in a lower cavity of the motor is stirred, the fluid with oil is directly discharged from the interface, and the oil spitting rate of the compressor is further reduced; and fourthly, the airflow is transversely discharged, so that the impact of the discharged gas on the liquid level of the oil pool through the gap of the support ring 11 is reduced, and the fluctuation of the oil pool is reduced.

The present disclosure also provides an air conditioner including the aforementioned compressor.

The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure. The foregoing is only a preferred embodiment of the present disclosure, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present disclosure, and these modifications and variations should also be regarded as the protection scope of the present disclosure.

Claims (20)

1. An oil separator of a compressor, characterized in that:

the compressor comprises a shell (1), the oil separator (100) is arranged inside the shell (1), an oil equalizing hole (2) is formed in the shell (1), and oil inside the shell (1) can be led out through the oil equalizing hole (2);

the oil separator (100) is arranged at the position of the oil equalizing hole (2) and can shield the oil equalizing hole (2), the oil separator (100) can suck oil-gas mixture flowing from the upper part of the oil separator and perform oil-gas separation in the oil separator (100), separated oil can reach the bottom oil pool of the compressor, and separated gas can return to the shell (1).

2. The oil separator of a compressor according to claim 1, wherein:

the oil separator (100) comprises a first part (3) and a second part (4), the first part (3) and the second part (4) are jointed to define a separation cavity (5) between the first part and the second part, the oil separator (100) further comprises a third part (6), the third part (6) is located at the bottom of the separation cavity (5), the separation cavity (5) can suck oil-gas mixture flowing from the upper part of the separation cavity, and the third part (6) can bear impact of the oil-gas mixture from the separation cavity (5) to generate oil-gas separation.

3. The oil separator of a compressor according to claim 2, wherein:

a first channel (7) allowing the passage of separated oil can be defined between the third portion (6) and the first portion (3), and a second channel (8) and/or a third channel (9) allowing the passage of separated gas can also be defined between the third portion (6) and the first portion (3).

4. The oil separator of a compressor according to claim 3, wherein:

the third part (6) comprises a first partition (61), a second partition (62) and a third partition (63), the second partition (62) being located between the first partition (61) and the third partition (63), and the first partition (61), the second partition (62), the third partition (63) and the first part (3) together defining the first channel (7);

the first partition (61) and the first part (3) together define the second channel (8) when a second channel (8) is included, and/or the third partition (63) and the first part (3) together define the third channel (9) when a third channel (9) is included.

5. The oil separator of a compressor according to claim 4, wherein:

the height of the upper end surface of the first partition plate (61) is higher than the height of the upper end surface of the second partition part (62), and/or the height of the upper end surface of the third partition plate (63) is higher than the height of the upper end surface of the second partition part (62).

6. The oil separator of a compressor according to claim 4, wherein:

a first end face (611) of the first partition plate (61) facing the first portion (3) is disposed closer to the first portion (3) than a second end face (621) of the second partition plate (62) facing the first portion (3), and a third end face (631) of the third partition plate (63) facing the first portion (3) is disposed closer to the first portion (3) than the second end face (621) of the second partition plate (62) facing the first portion; the first channel (7) comprises a first groove structure jointly defined by the first end face (611), the second end face (621) and the third end face (631).

7. The oil separator of a compressor according to claim 2, wherein:

the second part (4) comprises a substrate (41) and a flow guide part (42), the substrate (41) is fixedly connected with the shell (1), the lower end of the substrate (41) is connected with the third part (6), the flow guide part (42) is connected with the substrate (41), the flow guide part (42) is located above the third part (6), and the flow guide part (42) can guide the air flow from top to bottom to the third part (6).

8. The oil separator of a compressor according to claim 7, wherein:

the second part (4) further comprises a filtering component (43), the filtering component (43) is positioned above the flow guide part (42), and the airflow above the flow guide part (42) can be filtered.

9. The oil separator of a compressor according to claim 7 or 8, wherein:

the flow guide part (42) comprises a first flow guide plate (421) and a second flow guide plate (422), a first opening (45) is formed between the upper end of the first flow guide plate (421) and the upper end of the second flow guide plate (422), a second opening (46) is formed between the lower end of the first flow guide plate (421) and the lower end of the second flow guide plate (422), and the width of the first opening (45) is larger than that of the second opening (46).

10. The oil separator of a compressor according to claim 9, wherein:

when the second portion (4) further comprises a filtering element (43):

one end of the filtering component (43) is connected to the upper end of the first guide plate (421), and the other end is connected to the upper end of the second guide plate (422); and/or the filtering component (43) is of a filter screen structure.

11. The oil separator of a compressor according to claim 9, wherein:

the filtering component (43) is of an arch structure protruding upwards; and/or the projection surface of the first guide plate (421) on the substrate (41) is of an arc-shaped plate structure, and the projection surface of the second guide plate (422) on the substrate (41) is of an arc-shaped plate structure.

12. The oil separator of a compressor according to any one of claims 2 to 7, wherein:

the first part (3) comprises a second groove structure (31), the second groove structure (31) being capable of receiving the third part (6) therein.

13. The oil separator of a compressor according to claim 12, wherein:

the lower end of the second groove structure (31) is an oil discharge outlet (311), the lower end of the part of the first part (3) opposite to the first partition plate (61) is formed into a first exhaust port (32), the second channel (8) is communicated with the first exhaust port (32) to discharge gas, and the first exhaust port (32) faces in a non-vertical direction; the lower end of the portion of the first part (3) opposite to the third partition plate (63) is formed as a second gas outlet with which the third passage (9) communicates to discharge gas, the second gas outlet being oriented in a non-vertical direction.

14. The oil separator of a compressor according to claim 12, wherein:

when the second portion (4) comprises a flow guide (42): second groove structure (31) include from last first section and the second section that distributes down along vertical direction, first section holds water conservancy diversion portion (42) wherein, the second section holds third part (6) wherein, just the volume of first section is less than the volume of second section.

15. The oil separator of a compressor according to claim 13, wherein:

the third part (6) further comprises a first transverse plate (64), one end of the first transverse plate (64) is connected with the first partition plate (61), and the other end extends towards the non-vertical direction so as to guide the airflow towards the first exhaust port (32); the third portion (6) further comprises a second transverse plate (65), one end of the second transverse plate (65) being connected to the third dividing wall (63) and the other end extending in a non-vertical direction to direct the airflow towards the second exhaust port.

16. The oil separator of a compressor according to claim 4, wherein:

the second partition (62) comprises a cavity (622) facing the housing (1), the cavity (622) being communicable with the oil equalizing hole (2);

a first balance hole (612) is formed in the first partition plate (61), one end of the first balance hole (612) can be communicated with the cavity (622), the other end of the first balance hole can be communicated to the outside of the first partition plate (61), and oil in the shell (1) can be led into the cavity (622) through the first balance hole (612) and led out through the oil equalizing hole (2); and/or a second balance hole is formed in the third partition plate (63), one end of the second balance hole can be communicated with the cavity (622), the other end of the second balance hole can be communicated to the outside of the third partition plate (63), and oil in the shell (1) can be led into the cavity (622) through the first balance hole (612) and led out through the oil equalizing hole (2).

17. The oil separator of a compressor according to claim 16, wherein:

the height of the first balance hole (612) is equal to that of the oil equalizing hole (2), and the height of the second balance hole is equal to that of the oil equalizing hole (2).

18. A compressor, characterized by: the oil separator of the compressor comprising any one of claims 1 to 17, further comprising the housing (1) on which the oil equalizing hole (2) is provided, the oil separator being provided at a position of the oil equalizing hole (2).

19. The compressor of claim 18, wherein:

the oil distribution device is characterized by further comprising an oil distribution pipe (10), wherein the oil distribution pipe (10) is located outside the shell (1), and one end of the oil distribution pipe (10) is communicated with the oil distribution hole (2).

20. An air conditioner, characterized in that: comprising a compressor according to claim 18 or 19.

Images