CN103452852A - Oil separating device of compressor and compressor comprising same - Google Patents
Oil separating device of compressor and compressor comprising same Download PDFInfo
- Publication number
- CN103452852A CN103452852A CN2012101729698A CN201210172969A CN103452852A CN 103452852 A CN103452852 A CN 103452852A CN 2012101729698 A CN2012101729698 A CN 2012101729698A CN 201210172969 A CN201210172969 A CN 201210172969A CN 103452852 A CN103452852 A CN 103452852A
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- Prior art keywords
- separating device
- cylindrical sidewall
- oil separating
- compressor
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000605 extraction Methods 0.000 claims description 29
- 238000007599 discharging Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 123
- 238000005057 refrigeration Methods 0.000 description 24
- 239000000203 mixture Substances 0.000 description 15
- 239000003507 refrigerant Substances 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention provides an oil separating device of compressor and a compressor comprising the same. The oil separating device of compressor comprises a bottom plate and a cylindrical sidewall, which is connected to the bottom plate, the cylindrical sidewall is provided with an upper end opening and a lower end opening, the lower end opening of the cylindrical sidewall is blocked by the bottom plate, the center part of the bottom plate is provided with a middle through hole, the area of the upper end opening of the cylindrical sidewall is smaller than that of the lower end opening, and an oil discharging part is arranged on the position, where the cylindrical sidewall joins the bottom plate, or on the cylindrical sidewall. A middle through hole is arranged on the bottom part of the oil separating device to communicate with the upper end oil hole of the inside crankshaft of the compressor, a cylindrical sidewall, which is provided with an upper end opening and a lower end opening, the area of the upper end opening being smaller than that of the lower end opening, is arranged on the upper end of the bottom part of the oil separating device, and an oil discharging part is arranged on the position, where the cylindrical sidewall joins the bottom plate, or on the cylindrical sidewall.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of oil separating device of compressor and comprise the compressor of this device.
Background technique
In compressor, refrigeration oil mainly plays the effects such as lubricated and sealing to the compressor inner piece.In the compressor operating process, be positioned at the refrigeration oil of housing bottom under the turning effort of Oil Guide blade (being positioned at the oilhole of bent axle bottom), be sent to each friction pair in the pump housing by each oilhole, unnecessary refrigeration oil continues to move upward by the oilhole of bent axle, and discharges from the crankshaft side oilhole near the upper flange top and bent axle top oilhole.In addition, the refrigeration oil in cylinder also can be along with the compression of roller exhaust silencer, and be discharged to the epicoele of housing through the motor passage with refrigerant.Thereby these refrigeration oils very easily mix with refrigerant and discharge and enter air-conditioning system from the outlet pipe of housing epicoele, so just caused the inner oil starvation of compressor, cause lack of lubrication, reduced compressor reliability.Simultaneously, too much refrigeration oil enters air-conditioning system, has reduced the heat-exchange performance of two devices in air-conditioning system, has reduced the efficiency of air conditioner.
In order to address the above problem, increased circular flat board in prior art above motor stator, though adopt this circular dull and stereotyped refrigeration oil that stops the bent axle top that can be used in directly to discharge from outlet pipe, can't effectively stop that the gas mixture of housing epicoele discharges from outlet pipe.
Summary of the invention
The present invention aims to provide a kind of oil separating device of compressor and comprises the compressor of this device, to solve the technical problem that in prior art, refrigeration oil is easily discharged from the outlet pipe of housing epicoele.
To achieve these goals, according to an aspect of the present invention, a kind of oil separating device of compressor is provided, comprise base plate and the cylindrical sidewall be connected with base plate, cylindrical sidewall has upper end open and lower ending opening, the lower ending opening of base plate shutoff cylindrical sidewall, and the middle part of base plate is provided with intermediate throughholes, the area of the upper end open of cylindrical sidewall is less than the area of lower ending opening, in the jointing place of cylindrical sidewall and base plate or be provided with oil extraction section on cylindrical sidewall.
Further, oil extraction section circumferentially evenly is arranged on the jointing place of cylindrical sidewall and base plate or a plurality of oil extraction through holes on cylindrical sidewall for edge.
Further, oil extraction section is for longitudinally running through one or more oil extraction breach of cylindrical sidewall.
Further, a plurality of oil extraction breach are along circumferentially evenly being arranged on cylindrical sidewall.
Further, base plate is for take the Circular Plate that the center of intermediate throughholes is the center of circle, and cylindrical sidewall is for take the cylinder that the central axis of intermediate throughholes is axis.
Further, cylindrical sidewall comprises circular cone body and the cylinder part that is positioned at circular cone body top.
Further, cylindrical sidewall comprises cylinder part and the circular cone body that is positioned at the cylinder part upper end.
Further, cylindrical sidewall is cone.
Further, base plate is along circumferentially evenly being provided with a plurality of screw holes.
According to a further aspect in the invention, a kind of compressor is provided, there is rotor and pass the bent axle of rotor center, bent axle is provided with a plurality of oilholes vertically, the upper end of rotor is provided with the oil separating device of above-mentioned compressor, and the intermediate throughholes in oil separating device is communicated with the upper end oilhole of compressor inside crankshaft.
Further, the outer rim of the base plate of oil separating device is positioned at the outer rim of rotor.
Further, on the upper bottom surface of oil separating device, be provided with equilibrium block, equilibrium block is arranged on the upper end of rotor together with oil separating device.
The oil separating device of compressor of the present invention and comprise the compressor of this device, intermediate throughholes is set to be communicated with the upper end oilhole of compressor inside crankshaft in the oil separating device bottom, the area that the upper end of bottom is provided with upper end open is less than the cylindrical sidewall of the area of lower ending opening, and in the jointing place of cylindrical sidewall and bottom or oil extraction section is set on cylindrical sidewall.
During use, this oil separating device is fixed on to the upper end of rotor, after compressor operation, rotor drives the oil separating device High Rotation Speed.On the one hand, the refrigeration oil of discharging from the oilhole of bent axle upper end, enter oil separating device, and oil separating device, by centrifugal action, is discharged to most of refrigeration oil the outside of oil separating device by oil extraction section, greatly reduced the oil mass of discharging from outlet pipe; On the other hand, be positioned at the compressor epicoele and flow to the gas mixture of outlet pipe, due to stopping and centrifugal action of the cylindrical sidewall of oil separating device, the part gas mixture is discharged to the outside of oil separating device by oil extraction section, has reduced the oil mass that this part gas mixture directly enters outlet pipe.
The accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 shows embodiment one the structural representation of the oil separating device of compressor of the present invention;
Fig. 2 shows embodiment two the structural representation of the oil separating device of compressor of the present invention;
Fig. 3 shows embodiment three the structural representation of the oil separating device of compressor of the present invention;
Fig. 4 shows embodiment four the structural representation of the oil separating device of compressor of the present invention;
Fig. 5 shows the structural representation of compressor of the present invention; And
The structural representation when oil separating device that Fig. 6 shows compressor of the present invention is arranged on rotor.
Embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The middle part of the base plate 10 of the oil separating device 36 of compressor of the present invention is provided with intermediate throughholes 11, intermediate throughholes 11 is communicated with the upper end oilhole 42 of compressor inside crankshaft 37, the cylindrical sidewall 20 of oil separating device 36 has upper end open and lower ending opening, the lower ending opening of base plate 10 shutoff cylindrical sidewall 20, the area of the upper end open of cylindrical sidewall 20 is less than the area of lower ending opening, and oil separating device 36 is in the jointing place of cylindrical sidewall 20 and base plate 10 or be provided with oil extraction section on cylindrical sidewall 20.
Embodiment one:
As shown in Figure 1, the outer rim of the base plate 10 of the oil separating device 36 in the present embodiment is circular, base plate 10 central positions are provided with intermediate throughholes 11, and intermediate throughholes 11 is communicated with the upper end oilhole 42 of compressor inside crankshaft 37, is provided with vertically a plurality of screw holes 12 on base plate 10.Cylindrical sidewall 20 comprises circular cone body and the cylinder part that is positioned at circular cone body upper end, and cylindrical external diameter is less than the external diameter of base plate 10, on cylindrical sidewall 20 and the edge, jointing place of base plate 10, circumferentially is provided with a plurality of oil extraction through holes 21.Oil separating device 36 can be highly 3mm to 50mm, and the thickness of cylindrical sidewall 20 or base plate 10 can be 0.2mm to 5mm.
Embodiment two:
As shown in Figure 2, the oil separating device 36 of the present embodiment is similar with the structure in embodiment one, its difference only is the circular cone body that cylindrical sidewall 20 comprises cylinder part and is positioned at the cylinder part upper end, and the external diameter of the upper end port of circular cone body is less than the external diameter of cylinder part.
Embodiment three:
As shown in Figure 3, the oil separating device 36 of the present embodiment is similar with the structure in embodiment one, and its difference only is that cylindrical sidewall 20 integral body of oil separating device 36 are cone, and the area of the upper end port of this cone is less than the area of lower end port.
Embodiment four:
As shown in Figure 4, the oil separating device 36 of the present embodiment is similar with the structure in embodiment one, its difference only is that the oil extraction section of oil separating device 36 is for longitudinally running through a plurality of oil extraction breach 22 of oil separating device 36 cylindrical sidewall 20, oil extraction breach 22 shapes are not limit, can be circular, triangle, square etc., quantity can be 2 to 30.Preferably, a plurality of oil extraction breach 22 are along circumferentially evenly being arranged on cylindrical sidewall 20.
The oil separating device 36 of compressor of the present invention, intermediate throughholes 11 is set to be communicated with the upper end oilhole 42 of compressor inside crankshaft 37 at oil separating device 36 base plates 10, the upper end of base plate 10 is provided with the cylindrical sidewall 20 that the upper end port area is less than the area of lower end port, and in the jointing place of cylindrical sidewall 20 and base plate 10 or oil extraction section is set on cylindrical sidewall 20.
During use, this oil separating device 36 is fixed on to the upper end of rotor 44, after compressor operation, rotor 44 drives oil separating device 36 High Rotation Speeds.On the one hand, the refrigeration oil of discharging from the oilhole 42 of bent axle 37 upper ends, enter oil separating device 36, and oil separating device 36, by centrifugal action, is discharged to most of refrigeration oil the outside of oil separating device 36 by oil extraction section; On the other hand, be positioned at compressor epicoele 38 and flow to the gas mixture of outlet pipe 39, due to stopping and centrifugal action of the cylindrical sidewall 20 of oil separating device 36, the part gas mixture is discharged to the outside of oil separating device 36 by oil extraction section.
As shown in Figure 5, the present invention also provides a kind of compressor, this compressor has housing 30 and is arranged at the upper cover 40 of housing 30 upper ends, the base plate of housing 30 is provided with refrigeration oil installing space 31, refrigeration oil is contained in refrigeration oil installing space 31, the middle part of housing 30 is provided with bent axle 37, bent axle 37 is along the longitudinal extension of housing 30 inside, bent axle 37 is vertically arranged with a plurality of oilholes 42, the oilhole 42 that is positioned at its underpart is provided with Oil Guide blade 32, the oilhole 42 that is located thereon end is communicated with housing 30 epicoeles 38, the upper end of housing 30 is provided with outlet pipe 39, outlet pipe 39 stretches out housing 30 outsides, also be provided with baffler 33 in housing 30, rotor 44, be set in the stator 43 of rotor 44 outsides, bent axle 37 is through the axle center of rotor 44, there is gap 35 between rotor 44 and stator 43, there is gap 34 between stator 43 and shell.The present invention also comprises above-mentioned oil separating device 36, as shown in Figure 6, also be connected with equilibrium block 41 on the upper bottom surface of the base plate 10 of this oil separating device 36, relatively be provided with the rivet mounting hole with screw hole 12 on equilibrium block 41, rivet 46 together is fixed on oil separating device 36 and equilibrium block 41 upper end of rotor 44 through screw hole 12 and the rivet mounting hole on equilibrium block 41 of oil separating device 36.Preferably, the external diameter of oil separating device 36 is less than or equal to the external diameter of rotor 44, and the top external diameter of oil separating device 36 is less than the external diameter of base plate 10, and the top external diameter is greater than the external diameter of the outlet pipe 39 of 2 times.
The present invention in use, is fixed on this oil separating device 36 upper end of rotor 44, can be with rotor 44 High Rotation Speed together.During compressor operating, on the one hand, the spiral oil guide blade 32 that bent axle 37 base plates 10 are installed, with bent axle 37 High Rotation Speeds, sucks bent axle 37 oilholes 42 by the refrigeration oil of housing 30 base plates 10, deliver to each friction pair in the pump housing by the oilhole 42 on bent axle 37, to guarantee the lubricated of the pump housing.Unnecessary refrigeration oil can be discharged from the oilhole 42 of bent axle 37 upper ends, enter oil separating device 36, because existing the upper end port of cylindrical sidewall 20 and cylindrical sidewall 20, oil separating device 36 is less than the external diameter of base plate 10, oil separating device 36 can form centrifugal action when High Rotation Speed, make refrigeration oil be deposited on the base plate 10 of oil separating device 36, and by oil extraction section, refrigeration oil is discharged to oil separating device 36 outsides, greatly reduced the oil mass of discharging from outlet pipe 39;
On the other hand, most of refrigerant gas by pump housing exhaust silencer mouth can dissolve refrigeration oil, the gap that the mixture of this part refrigeration agent and refrigeration oil can be by motor stator 43 and 30 streams of housing and the gap of 44 of stator 43 and rotors are discharged to the epicoele 38 of compressor, this part gas mixture is through colliding with housing 30 inwalls and upper cover 40, flow velocity reduces, the little oil droplet part be blended in refrigerant gas is separated out from refrigerant gas, along housing 30 walls, flow back in the compressor oil sump, a part is still stayed compressor epicoele 38, be positioned at compressor epicoele 38 and flow to the gas mixture of outlet pipe 39, due to stopping and centrifugal action of the cylindrical sidewall 20 of oil separating device 36, the part gas mixture is discharged to the outside of oil separating device 36 by oil extraction section, reduced the oil mass that this part gas mixture directly enters outlet pipe 39.
From above description, can find out, the oil separating device 36 of compressor of the present invention and comprise the compressor of this device, intermediate throughholes 11 is set to be communicated with the upper end oilhole 42 of compressor inside crankshaft 37 at oil separating device 36 base plates 10, the upper end of base plate 10 is provided with the cylindrical sidewall 20 that the upper end open area is less than the area of lower end port, and in the jointing place of cylindrical sidewall 20 and base plate 10 or oil extraction section is set on cylindrical sidewall 20.
During use, this oil separating device 36 is fixed on to the upper end of rotor 44, after compressor operation, rotor 44 drives oil separating device 36 High Rotation Speeds.On the one hand, the refrigeration oil of discharging from the oilhole 42 of bent axle 37 upper ends, enter oil separating device 36, and oil separating device 36 passes through centrifugal action, most of refrigeration oil is discharged to the outside of oil separating device 36 by oil extraction section, has greatly reduced the oil mass of discharging from outlet pipe 39; On the other hand, be positioned at compressor epicoele 38 and flow to the gas mixture of outlet pipe 39, due to stopping and centrifugal action of the cylindrical sidewall 20 of oil separating device 36, the part gas mixture is discharged to the outside of oil separating device 36 by oil extraction section, has reduced the oil mass that this part gas mixture directly enters outlet pipe 39.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. the oil separating device of a compressor, is characterized in that,
Comprise base plate (10) and the cylindrical sidewall (20) be connected with described base plate (10),
Described cylindrical sidewall (20) has upper end open and lower ending opening, the lower ending opening of the described cylindrical sidewall of described base plate (10) shutoff (20), and the middle part of described base plate (10) is provided with intermediate throughholes (11),
The area of the upper end open of described cylindrical sidewall (20) is less than the area of lower ending opening, in the jointing place of described cylindrical sidewall (20) and described base plate (10) or be provided with oil extraction section on described cylindrical sidewall (20).
2. the oil separating device of compressor according to claim 1, it is characterized in that, described oil extraction section is for along circumferentially evenly being arranged on described cylindrical sidewall (20) and the jointing place of described base plate (10) or a plurality of oil extraction through holes (21) on described cylindrical sidewall (20).
3. the oil separating device of compressor according to claim 1, is characterized in that, described oil extraction section is for longitudinally running through one or more oil extraction breach (22) of described cylindrical sidewall (20).
4. the oil separating device of compressor according to claim 3, is characterized in that, a plurality of described oil extraction breach (22) are along circumferentially evenly being arranged on described cylindrical sidewall (20).
5. according to the oil separating device of the described compressor of any one in claim 1-4, it is characterized in that, described base plate (10) is for take the Circular Plate that the center of described intermediate throughholes (11) is the center of circle, and described cylindrical sidewall (20) is for take the cylinder that the central axis of described intermediate throughholes (11) is axis.
6. the oil separating device of compressor according to claim 5, is characterized in that, described cylindrical sidewall (20) comprises the circular cone body and is positioned at the cylinder part of described circular cone body top.
7. the oil separating device of compressor according to claim 5, is characterized in that, described cylindrical sidewall (20) comprises cylinder part and is positioned at the circular cone body of described cylinder part upper end.
8. the oil separating device of compressor according to claim 5, is characterized in that, described cylindrical sidewall (20) is cone.
9. the oil separating device of compressor according to claim 1, is characterized in that, described base plate (10) is along circumferentially evenly being provided with a plurality of screw holes (12).
10. a compressor, there is rotor (44) and through the bent axle (37) at described rotor (44) center, described bent axle (37) is provided with a plurality of oilholes (42) vertically, it is characterized in that, the upper end of described rotor (44) is provided with the oil separating device of compressor (36) as claimed in any one of claims 1-9 wherein, and the intermediate throughholes (11) in described oil separating device (36) is communicated with the upper end oilhole (42) of described compressor inside crankshaft (37).
11. compressor according to claim 10, is characterized in that, the outer rim of the described base plate (10) of described oil separating device (36) is positioned at the outer rim of described rotor (44).
12. compressor according to claim 10, it is characterized in that, be provided with equilibrium block (41) on the upper bottom surface of described oil separating device (36), described equilibrium block (41) is arranged on the upper end of described rotor (44) together with described oil separating device (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210172969.8A CN103452852B (en) | 2012-05-29 | 2012-05-29 | Oil separating device of compressor and compressor comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210172969.8A CN103452852B (en) | 2012-05-29 | 2012-05-29 | Oil separating device of compressor and compressor comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103452852A true CN103452852A (en) | 2013-12-18 |
| CN103452852B CN103452852B (en) | 2017-02-08 |
Family
ID=49735586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210172969.8A Expired - Fee Related CN103452852B (en) | 2012-05-29 | 2012-05-29 | Oil separating device of compressor and compressor comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103452852B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168726A1 (en) * | 2019-02-21 | 2020-08-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange device |
| CN113074114A (en) * | 2021-04-06 | 2021-07-06 | 西安交通大学 | Rotary compressor oil separating device and compressor with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124332A (en) * | 1994-12-20 | 1996-06-12 | 东芝村式会社 | Rotative compressor |
| JPH09151886A (en) * | 1995-11-29 | 1997-06-10 | Sanyo Electric Co Ltd | Hermetic type rotary compressor |
| JP2005214173A (en) * | 2004-02-02 | 2005-08-11 | Nobuo Abe | Sealed scroll compressor |
| CN1786478A (en) * | 2004-12-10 | 2006-06-14 | Lg电子株式会社 | Oil discharge preventing apparatus of scroll compressor |
| CN201934313U (en) * | 2011-02-16 | 2011-08-17 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN102235364A (en) * | 2010-04-27 | 2011-11-09 | 乐金电子(天津)电器有限公司 | Oil separation device of compressor |
| CN202579200U (en) * | 2012-05-29 | 2012-12-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil separation device of compressor and compressor comprising same |
-
2012
- 2012-05-29 CN CN201210172969.8A patent/CN103452852B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124332A (en) * | 1994-12-20 | 1996-06-12 | 东芝村式会社 | Rotative compressor |
| JPH09151886A (en) * | 1995-11-29 | 1997-06-10 | Sanyo Electric Co Ltd | Hermetic type rotary compressor |
| JP2005214173A (en) * | 2004-02-02 | 2005-08-11 | Nobuo Abe | Sealed scroll compressor |
| CN1786478A (en) * | 2004-12-10 | 2006-06-14 | Lg电子株式会社 | Oil discharge preventing apparatus of scroll compressor |
| CN102235364A (en) * | 2010-04-27 | 2011-11-09 | 乐金电子(天津)电器有限公司 | Oil separation device of compressor |
| CN201934313U (en) * | 2011-02-16 | 2011-08-17 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN202579200U (en) * | 2012-05-29 | 2012-12-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil separation device of compressor and compressor comprising same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168726A1 (en) * | 2019-02-21 | 2020-08-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange device |
| CN113074114A (en) * | 2021-04-06 | 2021-07-06 | 西安交通大学 | Rotary compressor oil separating device and compressor with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103452852B (en) | 2017-02-08 |
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Granted publication date: 20170208 |