CN101358597B - Compressor - Google Patents
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- CN101358597B CN101358597B CN2008101452157A CN200810145215A CN101358597B CN 101358597 B CN101358597 B CN 101358597B CN 2008101452157 A CN2008101452157 A CN 2008101452157A CN 200810145215 A CN200810145215 A CN 200810145215A CN 101358597 B CN101358597 B CN 101358597B
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Abstract
A compressor is provided that includes a casing defining an inner space, a suction pipe connected to the casing, a discharge pipe connected to the casing, a motor located at the inner space of the casing, a compressing unit driven by the motor to compress a refrigerant, an oil separating unit configured to separate oil from the refrigerant discharged from the compressing unit, and an oil recollecting unit configured to pump the oil separated by the oil separating unit and recollect the separated oil into the compressor main body.
Description
Technical field
The present invention relates generally to a kind of compressor, and relate in particular to a kind of compressor, can from the refrigeration agent that compression unit gives off, separate and the oil recovery device of recovered oil.
Background technique
Compressor is a kind of equipment that is used for kinetic energy is converted into the compression ability of compressible fluid (compressive fluid).Hermetic compressor (hermetic compressor) is structure like this: the motor that is used for producing driving force and the compression unit that is used for the driving force compressed fluid through being received from motor all are installed in the inner space of seal container.
When hermetic compressor was set to the parts in the refrigeration agent compression refrigeration circulation, a certain amount of oil was stored in the hermetic compressor motor or lubricated (smooth) and the seal compression unit with cooling compressor.Yet when Driven Compressor, the refrigeration agent in from the compressor discharge to the refrigeration cycle comprises the oil with refrigerant mixed.Be discharged into part oil in the refrigeration cycle and be not recovered in the compressor but stay in the refrigeration cycle, thereby cause the oil mass in the compressor to reduce.Stay oil in the refrigeration cycle and may cause the decline of heat exchanging function of reduction and the refrigeration cycle of compressor reliability.
Therefore; In correlation technique; Oil separator is set with separating oil from the refrigeration agent of discharging in the waste side of compressor, and the oil of these separation is recycled to the suction side (suction side) of compressor, prevents oil starvation in the compressor thus and keep the heat exchanging function of refrigeration cycle.
Yet in the time will being recovered to the suction side of compressor through the oil that oil separator separates, high-pressure refrigerant also is recovered together with oil, and this causes the minimizing of circuit volume of the cooling medium in the refrigeration cycle, thereby has reduced the refrigerating capacity of compressor.In addition, the temperature of the suction gas in the compressor raises, the temperature of the exhausting air that raise thus.Therefore, reduced the reliability of compressor.Also have, because temperature raises, the specific volume of the refrigeration agent of suction (specific volume) increases, and the actual amount of the feasible refrigeration agent that sucks reduces, and has therefore reduced refrigerating capacity.
Particularly, during the low cruise of compressor, the refrigerant gas (cooling refrigerant gas) of the cooling that the shortage of the oil of pumping causes reclaiming is more than oil, and therefore the amount of circuit refrigeration agent reduces in refrigeration cycle.Like this, the refrigerating capacity of compressor further reduces.
Summary of the invention
Therefore, in order to solve these problems in the compressor correlation technique, the object of the present invention is to provide a kind of compressor, it has oil recovery device, in order to reclaim the oil that from the refrigeration agent that compression unit is discharged, separates.
In order to realize these with other advantages and according to the object of the invention, as practical implementation here and abundant description, a kind of compressor is provided, it has: compressor main body, this compressor main body comprises the housing that limits the inner space; Suction pipe is connected on the housing; Discharge pipe is connected on the housing; Motor is arranged in the inner space of housing; Compression unit, by motoring with compressed refrigerant; Oil separation unit is configured to separating oil from the refrigeration agent that compression unit is discharged; And oil recovery unit, be configured to pumping and be recovered in the compressor main body through the oil of oil separation unit separation and the oil that will separate.
According to different schemes of the present invention, a kind of compressor is provided, have: housing, said housing has the inner space; Suction pipe is connected on the housing; Discharge pipe is connected on the housing; Motor, the inner space that is arranged in housing is to produce driving force; Compression unit, by motoring with compressed refrigerant; Oil separation unit is configured to separating oil from the refrigeration agent that compression unit gives off; And oil recovery unit, comprising sump pump, this sump pump is driven by the rotating force (rotation force) of motor, with the oil of pumping by the oil separation unit separation.
According to another aspect of the present invention, a kind of compressor is provided, has: housing, said housing has the inner space; Suction pipe is connected on the housing; Discharge pipe is connected on the housing; Motor, the inner space that is arranged in housing is to produce driving force; Compression unit, by motoring with compressed refrigerant; Oil separation unit is configured to separating oil from the refrigeration agent that compression unit gives off; And oil reclaims the unit.Said oil reclaim the unit comprise in order to oil separation unit is connected on the housing oily recovery tube and with the sump pump of said oily recovery tube cooperation (cooperating with), the oil that separates by oil separation unit with pumping.
The present invention provides a kind of compressor, comprises compressor main body, and this compressor main body comprises: the housing that limits the inner space; Fixed scroll, it is fixedly mounted on the said housing; And around moving scrollwork, itself and said fixed scroll engagement and carry out around moving with said motor cooperation, said fixed scroll with around moving at least one compression chamber of scrollwork qualification.Said compressor also comprises: suction pipe, and it is directly connected to said compression chamber; Discharge pipe, it is connected to said housing; Motor, it is installed in the inner space of said housing; Compression unit, its by said motoring with compressed refrigerant; Oil separation unit, it is configured to separating oil from the refrigeration agent of said compression unit discharging; And oil recovery unit, it is configured to pumping and is recovered in the said compressor main body by the oil of said oil separation unit separation and the oil that will separate.Wherein said oil reclaims the unit and comprises: oily recovery tube, and an end of said oily recovery tube is connected to said compressor main body, and the other end of said oily recovery tube is connected to the outlet of said oil separation unit; And sump pump, said sump pump is arranged on the middle part of said oily recovery tube, with the oil of pumping by said oil separation unit separation.
The present invention also provides a kind of compressor, comprising: housing, and it has the inner space; Motor, its inner space that is arranged in said housing is to produce driving force; Compression unit, its by said motoring with compressed refrigerant; Suction pipe, it is directly connected to said compression unit; Discharge pipe, it is connected to said housing; Oil separation unit, it is configured to separating oil from the refrigeration agent of said compression unit discharging; And oil reclaims the unit.This oil reclaims the unit and comprises: oily recovery tube, and it is used for said oil separation unit is connected to said housing; And sump pump, the oil that it is separated by said oil separation unit with pumping with said oily recovery tube cooperation; Wherein said oily recovery tube has the outlet that links to each other with the inner space of said housing; And wherein said sump pump is positioned at the middle part of said oily recovery tube; Wherein said motor comprises bent axle, and said oily recovery tube comprises outlet.Said compressor also comprises: oil feed pump; It has inlet; Said oil feed pump is positioned on the said bent axle, and being contained in the oil in the said housing at the simultaneous pumping that rotates with said bent axle, and the outlet of said oily recovery tube is connected to the inlet of said oil feed pump.
Through the following detailed description that provides, other Applicable scope of the present invention will become clearer.Yet; It should be understood that detailed explanation and the concrete clear exemplary embodiment of the present invention of example table, it is only in order to explanation; Because it is conspicuous to those skilled in the art, from these are described in detail, drawing the variations and modifications that do not break away from the scope of the invention and spirit.
Description of drawings
The accompanying drawing that is comprised is used to provide to further understanding of the present invention, and it is incorporated among the application and constitutes the application's a part, and it illustrates specific embodiment of the present invention and is used to explain principle of the present invention with explanatory note.In the accompanying drawings:
Fig. 1 is the stereogram that illustrates according to scroll compressor outward appearance of the present invention, and this compressor has the oil separation unit of the outside of being arranged on;
Fig. 2 is the longitudinal sectional view of inside that the scroll compressor of Fig. 1 is shown;
Fig. 3 illustrates the oil feed pump of Fig. 1 and the stereogram of sump pump;
Fig. 4 illustrates the longitudinal sectional view that oil according to the present invention reclaims another exemplary embodiment of unit, and Fig. 4 A is the detailed view that reclaims the inlet of unit like the oil of the sign A indication of Fig. 4;
Fig. 5 is the schematic representation of inlet that the sump pump of Fig. 4 is shown;
Fig. 6 is the longitudinal sectional view that illustrates according to another exemplary embodiment of scroll compressor of the present invention, and this compressor has the oil separation unit of the outside of being arranged on;
Fig. 7 is the longitudinal sectional view that illustrates according to the exemplary embodiment of scroll compressor of the present invention, and this compressor has the oil separation unit of the enclosure interior of being arranged on;
Fig. 8 is the horizontal cross that the fluid flow state in the oily separate cover of Fig. 7 is shown; And
Fig. 9 is the longitudinal sectional view that illustrates according to another exemplary embodiment of scroll compressor of the present invention, and this compressor has the oil separation unit of the outside of being arranged on.
Embodiment
Below will describe the present invention in detail with reference to accompanying drawing.Although specification reference of the present invention is scroll compressor, the invention is not restricted to scroll compressor, but can likewise be applied to other so-called hermetic compressor, for example rotary compressor.Said compressor has motor and the compression unit in the identical casings of being arranged on.
Fig. 1 is the stereogram that the outward appearance of the scroll compressor of first exemplary embodiment according to the present invention is shown; Wherein oil separation unit is arranged on outside; Fig. 2 is the longitudinal sectional view of inside that the scroll compressor of Fig. 1 is shown, and Fig. 3 illustrates the oil feed pump of Fig. 1 and the stereogram of sump pump.
Extremely shown in Figure 3 like Fig. 1; Can comprise compressor housing (below be called " housing ") 10 according to scroll compressor of the present invention; Said housing 10 has: the inner space of sealing, be arranged in the motor 20 of the inner space of housing 10, and the compression unit 30 that drives by motor 20.Said compression unit 30 comprise fixed scroll 31 and by motor 20 drive around moving scrollwork 32, with compressed refrigerant.
The inner space of housing 10 is configured to keep refrigeration agent with suitable discharge pressure.Suction pipe SP forms the side of passing housing 10 to connect by fixed scroll 31 and the suction chamber (suction chamber) that forms around moving scrollwork 32.The opposite side that discharge pipe DP is connected to housing 10 is directed in the refrigeration cycle with the refrigeration agent of the inner space that will give off housing 10.
According to the needs of the applied chiller plant of compressor, motor 20 can be with the constant speed motor of rotation at the uniform velocity, or with the adjustable frequency motor (inverter motor) of speed change rotation.The bent axle of motor 20 (crankshaft) 23 supported by main frame 11 and sub-frame 12, and main frame 11 and sub-frame 12 are fixedly mounted in the top and bottom of housing 10.
As shown in Figure 2, compression unit 30 comprises: fixed scroll 31 is connected on the main frame 11; Around moving scrollwork 32, mesh so that a pair of compression chamber P that moves continuously to be provided with fixed scroll 31; Oudan ring (Oldham ring) 33 is arranged between moving scrollwork 32 and main frame 11, carries out around moving motion to impel around moving scrollwork 32; And safety check 34, be set to the floss hole 31c of switch fixed scroll 31, to stop backflow through exhaust openings 31c exhaust gas discharged (discharge gas).Fixing scroll 31a and be arranged on fixed scroll 31 respectively in a spiral manner and on moving scrollwork 32 around moving scroll 32a.Fixing scroll 31a and be engaged with each other to form compression chamber P around moving scroll 32a.Suction pipe SP is directly connected to the suction port 31b of fixed scroll 31, in order to refrigeration agent is directed to the compressor from refrigeration cycle.
The operation of compressor below will be described with reference to said structure.When giving motor 20 power supplies, bent axle 23 rotates so that rotating force is transmitted (forward) with rotor 22 to be given around moving scrollwork 32.Subsequently; The rotating force that reception applies around moving scrollwork 32 through the Oudan ring 33 on main frame 11 upper surfaces around moving; Form a pair of compression chamber P thus, said compression chamber P is in the fixedly scroll 31a of fixed scroll 31 and moving between moving scroll 32a around moving scrollwork 32 continuously.Subsequently, these compression chambers P through around moving scrollwork 32 move to the center around moving motion continuously, thereby make the volume of these compression chambers P reduce the refrigeration agent that compression sucks.Refrigerant compressed moves downward the lower space S2 of housing 10 subsequently, thereby is discharged in the cooling cycle system through refrigeration agent discharge pipe DP through the upper space S1 that the floss hole 31c of fixed scroll 31 is discharged into housing 10 continuously.Can utilize diverse ways to make refrigerant compressed move to lower space S2, the passage (not shown) that passes fixed scroll 31 and/or main frame 11 for example is set by upper space S1.
[01] in bent axle 23 rotation, the variable capacity that is arranged between the gear of gear that oil feed pump 25 under the bent axle 23 utilizes the inside that is formed on this oil feed pump 25 and outside comes pumping to be contained in the oil in the housing 10.Oily passage 23a through bent axle 23 inhales oil to the upper end; And oil is partly supplied to each supporting surface of sub-frame 12 and main frame 11; And main frame 11 and the supporting surface between moving scrollwork 32 through in bent axle 23 upper ends partly supply to a plurality of compression chamber P, with sealing or lubricated compression chamber P.
Also be provided with the sump pump 52 that is connected to bent axle 23, said bent axle 23 is configured to and oil feed pump 25 cooperating operations.Sump pump 52 pumpings are also reclaimed the oil that from the refrigeration agent that compression unit gives off, separates.Below provide detailed description.
As depicted in figs. 1 and 2, oil separation unit 40 is positioned at the exit portion of the discharge pipe DP of housing 10 outsides, and said oil separation unit 40 is used for through discharge pipe DP from being discharged into the refrigeration agent separating oil of refrigeration cycle.In addition, oil recovery unit 50 is connected on the oil separation unit 40.This oil reclaims unit 50 and is configured to the oil that pumping is separated from refrigeration agent by oil separation unit 40, and is configured to the oil that separates is recovered in the inner space of housing 10 (see figure 6) or said oil directly is recovered among the oily passage 23a of bent axle 23.
As depicted in figs. 1 and 2; Oil separation unit 40 can comprise oil separator 41 and oil separation member (not shown); This oil separator 41 is set in parallel in a side of housing 10, and this oil content scrapping off film is arranged on the oil separator 41 with separating oil from the refrigeration agent of compression unit 30 dischargings.Oil separator 41 can be connected to that discharge pipe DP goes up and supported through the center, and is perhaps supported through independently being arranged on supporting member 42 (for example anchor clamps) between housing 10 and the oil separator 41.Refrigerant pipe RP is connected to the upper end of oil separator 41, so that the condenser of the refrigerant flow direction refrigeration cycle after separating.Oil recovery tube 51 is connected to the lower end of oil separator 41, so that the oil that is separated by oil separator 41 can be recycled in the housing 10 of compressor or directly be recycled in the compression unit 30 via oily passage 23a.
Oil reclaims unit 50 can comprise oily recovery tube 51 and sump pump 52, and said oily recovery tube 51 is connected on the oil separation unit 40 guiding oil, and said sump pump 52 is installed on the oily recovery tube 51 with from oil separator 41 pump oil.One end of oil recovery tube 51 is connected the lower end of oil separator 41, and its other end penetrates housing 10 with on the inlet that is connected sump pump 52.Oil recovery tube 51 can be the metal tube with suitable intensity, with stable support oil separator 41.In addition, oily recovery tube 51 can a crooked angle so that oil separator 41 towards being parallel to housing 10, thereby reduce the vibration of compressor.
In the scroll compressor according to this exemplary embodiment, oil separator 41 is separating oil from the refrigeration agent that the inner space of housing 10 gives off.The oil of these separation is recovered to through sump pump 52 in the inner space of housing 10, perhaps can directly supply among the oily passage 23a of bent axle 23.For example, the oil that is directed among the compression chamber P discharges through discharge pipe DP with the refrigeration agent of waiting to be directed in the oil separator 41.These oil and refrigeration agent are separated from one another in oil separator 41.Subsequently, the refrigeration agent of separation flows upward to the condenser of refrigeration cycle through refrigerant pipe RP, and the oil that separates collects in the bottom of oil separator 41.When 23 rotations of the bent axle of motor 20, the gear rotation of the inside of sump pump 52 is forming variable capacity between the gear of inside and the outside gear, thus generation pump suction (pumping force).The oil that separates through oil separator 41 comes pumping by said pump suction.Oil by sump pump 52 pumpings is recovered in the inner space of housing 10 with sump pump 52 through oily recovery tube 51.Therefore, sump pump 52 is re-supplied to each supporting surface and compression chamber P with the oil of these recovery via the oily passage 23a of bent axle 23.This process can repeat along with bent axle 23 rotations constantly.
Be used for the oil supply hole 14 that oil injects housing 10 inner spaces can be formed on the bottom of housing 10.When using a plurality of compressor, oil supply hole 14 can be used as oily equalizing orifice, be set to be connected to each other with a plurality of compressors, thus the liquid level height of coupling (match) each compressor.
First exemplary embodiment of compressor comprises oil feed pump, and uses single sump pump to carry out the function of oil feed pump in second exemplary embodiment provided by the invention.For example; Second exemplary embodiment of scroll compressor can realize as follows: like Fig. 4 and shown in Figure 5; Sump pump 52 is installed in bent axle 23 belows; This sump pump 52 can be a trochoid gear pump, and the first inlet 52a of sump pump 52 is connected to the outlet of oily recovery tube 51, and second of the sump pump 52 inlet 52b immerses in the oil of the bottom that collects in housing 10 simultaneously.
In basic structure and operation, similar according to the scroll compressor of the scroll compressor of this exemplary embodiment and previous embodiment, therefore, this embodiment's detailed description is no longer repeated.But the inlet of sump pump 52 is divided into the first inlet 52a and the second inlet 52b.Therefore, the oil that is separated by oil separator 41 sucks through the first inlet 52a, and the oil that collects in the bottom of housing 10 sucks through the second inlet 52b.These oil that suck through the first inlet 52a and the second inlet 52b all are pooled among the oily passage 23a of bent axle 23, to supply to each supporting surface or compression chamber P.
Another embodiment according to scroll compressor of the present invention below will be described.Aforesaid exemplary embodiment is configured to sump pump and is installed in enclosure interior or is connected on the motor so that with the driving force of motor; And it is as shown in Figure 6; The 3rd exemplary embodiment of scroll compressor is configured to the outside that the oily sump pump 152 that reclaims unit 150 is installed in housing 10, and is driven by the driving force of drive power rather than motor.For this reason, sump pump 152 is installed in the middle part that is positioned at the outside oily recovery tube 151 of housing 10, and be provided with have variable (increase or reduce), with the adjustable frequency motor of the proportional rotating speed of rotating speed of motor 20.The outlet of oil recovery tube 151 can be directly connected on the oily passage 23a of bent axle 23, and still, in some cases, this outlet can be connected to the inner space of housing 10.Shown in this exemplary embodiment; When oily recovery tube 151 links to each other with the inner space of housing 10 rather than directly link to each other with oily passage 23a; Contained foreign matter in the filter oil that can in the inner space of housing 10, make progress, thus prevent to supply to the pollution of the oil of each supporting surface or compression chamber P.
According to another exemplary embodiment of the present invention, oil separation unit can be positioned at the inside of the housing of compressor.For example; As shown in Figure 7; Oil separation unit 240 can comprise oily separate cover 241 and oily separator tube 242; Said oily separate cover 241 is fixedly mounted in the inner space of housing 10, and said oily separator tube 242 forms the surface of a sidewall that passes oily separate cover 241, so that housing 10 inner oil and refrigeration agents can be separated from one another when being directed into oily separate cover 241.Oil separate cover 241 can have and the isolated gap of the internal surface of housing 10.
Discharge pipe DP is connected on the opposite side wall surface of oily separate cover 241, and said discharge pipe DP is used for the refrigeration agent that separates through oily separate cover 241 is directed to refrigeration cycle.Discharge pipe DP passes housing 10 and is connected to refrigeration cycle then.Oil recovery tube 251 is connected to the lower end of oily separate cover 241, and said oily recovery tube 251 is used for the oil that separates through oily separate cover 241 is directed to the bottom of housing 10.Sump pump 252 is positioned at the outlet of oily recovery tube 251, and said sump pump 252 is used for the oil that pumping separates through oily separate cover 241.
As shown in Figure 7, the lower ends of the inlet of oily recovery tube 251 and oily separate cover 241 and pierce compressed unit 30 subsequently, thus link to each other with the inlet of oily supply pump 252.In this structure, be used for the oily passage (not shown) that oily separate cover 241 is connected to oily recovery tube 251 formed and pass fixed scroll 31 and main frame 11.
Substantially, the operation of separating oil from refrigeration agent to be recycled of this exemplary embodiment of the present invention is identical with above-mentioned operation or similar, so no longer repeat the detailed description to this operation.But, because oil separation unit 240 is installed in the inside of housing 10, different in refrigeration agent and the oily flow direction and the previous embodiment.That is, after compression chamber P was discharged into the inner space of guiding cover 15, refrigeration agent flowed to lower space S2 with oil via the inlet side fluid passage.After this, refrigeration agent flows to upper space S1 with oil via the outlet side fluid passage.Subsequently, refrigeration agent is directed in the oily separate cover 241 through oily separator tube 242 with oil, with in the inside of oily separate cover 241 around moving.Therefore, refrigeration agent is separated from one another with oil.Afterwards, the refrigeration agent of separation flows to refrigeration cycle through discharge pipe DP, and the oil that separates simultaneously is recycled to the oily passage 23a of bent axle 23 via oily recovery tube 251 through the pump suction of sump pump 252.This process can repeat along with the rotation of bent axle 23 constantly.
As shown in Figure 9, in another exemplary embodiment of the present invention, scroll compressor can be configured to oily recovery tube 251 is pulled out the inside that is connected to housing 10 outside the housing 10 then.In this case, can be provided for reducing radiating component (radiating member) (not shown) or the capillary tube (not shown) of oil temperature at the middle part of oily recovery tube 251.When oily recovery tube 251 when the outside of housing 10 is connected to housing 10, the outlet of oily recovery tube 251 can be connected to the wall surface of housing 10, thereby links to each other with the lower space S2 of housing 10.Sump pump 252 can comprise the above-mentioned adjustable frequency motor of describing with reference to Fig. 6, and can be positioned at the middle part of oily recovery tube 251.
The result of one or more exemplary embodiments is reclaimed through sump pump by the oil that oil separator separates.The oil that reclaims once more with refrigerant mixed, can prevent that thus these oil are back in the compressor.Therefore, can avoid reducing circulation and supply to the amount of the refrigeration agent in the refrigeration cycle, thereby can prevent the reduction of compressor output.The simplification that oil reclaims the unit can reduce manufacture cost.In addition, because the driving force of motor can be used to drive sump pump, so can further simplify the structure of compressor.
Aforesaid embodiment and advantage are merely exemplary, should not be understood that to limit disclosure of the present invention.Enlightenment of the present invention can easily be applied to the device of other types.This specification is intended to explain and the scope of unrestricted claim.To those skilled in the art, multiplely substitute, modification and modification be conspicuous.Here the characteristic of described exemplary embodiment, structure, method and other characteristics can make up by different way, with the exemplary embodiment that obtains adding and/or substitute.
Because the present invention can not break away from its characteristic and embody with some kinds of forms; What therefore will also be understood that is; Only if point out separately, otherwise the foregoing description is not limit by any details of the text description of front, but should in appending claims institute restricted portion, understand fully.Therefore, fall in scope and the boundary of these claims change and revise or the equivalent substitution of said scope and boundary all is covered by in the scope of appending claims.
Claims (8)
1. compressor comprises:
Compressor main body, it comprises: the housing that limits the inner space; Fixed scroll, it is fixedly mounted on the said housing; And around moving scrollwork, the engagement of itself and said fixed scroll, said fixed scroll with around moving at least one compression chamber of scrollwork qualification;
Suction pipe, it is directly connected to said compression chamber;
Discharge pipe, it is connected to said housing;
Motor, it is installed in the inner space of said housing, and saidly carries out around moving around the cooperation of moving scrollwork and said motor;
Compression unit, its by said motoring with compressed refrigerant;
Oil separation unit, it is configured to separating oil from the refrigeration agent of said compression unit discharging; And
Oil reclaims the unit, and it is configured to pumping and is recovered in the said compressor main body by the oil of said oil separation unit separation and the oil that will separate,
Wherein said oil reclaims the unit and comprises:
The oil recovery tube, an end of said oily recovery tube is connected to said compressor main body, and the other end of said oily recovery tube is connected to the outlet of said oil separation unit; And
Sump pump, said sump pump is arranged on the middle part of said oily recovery tube, with the oil of pumping by said oil separation unit separation.
2. compressor as claimed in claim 1; Wherein said oil separation unit is positioned at the outside of the housing of said compressor main body; The inlet of said oil separation unit is connected to said compressor main body via said discharge pipe, and the outlet of said oil separation unit is connected to said compressor main body via said oily recovery tube.
3. the support member support of the outer circumferential face of compressor as claimed in claim 2, the wherein said oil separation unit housing through being fixed to said compressor main body.
4. compressor as claimed in claim 1, wherein said oil separation unit is positioned at the enclosure interior of said compressor main body.
5. compressor as claimed in claim 4, at least a portion of wherein said oily recovery tube is positioned at the outside of said compressor main body.
6. compressor as claimed in claim 4, wherein said oil separation unit comprises:
The inner space; And
The oil separator tube, it is used to guide the oil of separation, and said oily separator tube is bending or crooked, so that be directed to freezing mixture in the inner space of said oil separation unit in a spiral manner around moving.
7. compressor comprises:
Housing, it has the inner space;
Motor, its inner space that is arranged in said housing is to produce driving force;
Compression unit, its by said motoring with compressed refrigerant;
Suction pipe, it is directly connected to said compression unit;
Discharge pipe, it is connected to said housing;
Oil separation unit, it is configured to separating oil from the refrigeration agent of said compression unit discharging; And
Oil reclaims the unit, and it comprises:
The oil recovery tube, it is used for said oil separation unit is connected to said housing; And
Sump pump, the oil that it is separated by said oil separation unit with pumping with said oily recovery tube cooperation;
Wherein said oily recovery tube has the outlet that links to each other with the inner space of said housing; And
Wherein said sump pump is positioned at the middle part of said oily recovery tube;
Wherein said motor comprises bent axle, and said oily recovery tube comprises outlet, and said compressor also comprises:
Oil feed pump, it has inlet, and said oil feed pump is positioned on the said bent axle, and being contained in the oil in the said housing at the simultaneous pumping that rotates with said bent axle, and the outlet of said oily recovery tube is connected to the inlet of said oil feed pump.
8. compressor as claimed in claim 7, wherein said sump pump comprises adjustable frequency motor, so that the rotating speed of the included said motor of the pump output of said sump pump and said compressor changes pro rata.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0076579 | 2007-07-30 | ||
| KR1020070076579 | 2007-07-30 | ||
| KR1020070076579 | 2007-07-30 | ||
| KR1020070139286 | 2007-12-27 | ||
| KR20070139286 | 2007-12-27 | ||
| KR10-2007-0139286 | 2007-12-27 | ||
| KR10-2008-0070336 | 2008-07-18 | ||
| KR1020080070336A KR101275185B1 (en) | 2008-07-18 | 2008-07-18 | Compressor |
| KR1020080070336 | 2008-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101358597A CN101358597A (en) | 2009-02-04 |
| CN101358597B true CN101358597B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101452157A Active CN101358597B (en) | 2007-07-30 | 2008-07-30 | Compressor |
| CN2008101452161A Active CN101358598B (en) | 2007-07-30 | 2008-07-30 | Hermetic compressor and refrigeration cycle device having the same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101452161A Active CN101358598B (en) | 2007-07-30 | 2008-07-30 | Hermetic compressor and refrigeration cycle device having the same |
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| CN (2) | CN101358597B (en) |
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| KR101480472B1 (en) * | 2011-09-28 | 2015-01-09 | 엘지전자 주식회사 | Scroll compressor |
| CN102878735B (en) * | 2012-08-31 | 2014-11-19 | 重庆美的通用制冷设备有限公司 | High-efficiency oil-gas separator and separation method thereof |
| CN103967784B (en) * | 2013-01-29 | 2019-03-22 | 艾默生环境优化技术(苏州)有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
| JP6439144B2 (en) * | 2013-06-06 | 2018-12-19 | パナソニックＩｐマネジメント株式会社 | Oil separator and production method for producing oil separator |
| CN105649991A (en) * | 2015-12-31 | 2016-06-08 | 深圳市共济科技有限公司 | Variable-frequency air conditioner and compressor oil return system thereof |
| KR102481266B1 (en) * | 2016-04-26 | 2022-12-26 | 엘지전자 주식회사 | Scroll compressor |
| JP2020045866A (en) * | 2018-09-20 | 2020-03-26 | 日立ジョンソンコントロールズ空調株式会社 | Refrigeration air conditioning device and hermetic type electric compressor used for the same |
| JP2020051662A (en) * | 2018-09-26 | 2020-04-02 | 日立ジョンソンコントロールズ空調株式会社 | Refrigeration air conditioner and hermetic electric compressor used in the same |
| CN110242542B (en) * | 2019-06-28 | 2020-10-09 | 中国科学院理化技术研究所 | Compressor exhaust mechanism and compressor thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212333A (en) * | 1997-08-11 | 1999-03-31 | 株式会社神户制钢所 | Oil-cooled type screw compressor |
| CN1342247A (en) * | 1999-11-22 | 2002-03-27 | 大金工业株式会社 | Scroll type compressor |
| CN2813936Y (en) * | 2005-07-01 | 2006-09-06 | 烟台冰轮股份有限公司 | Screw refrigerating compressor set |
| CN1975168A (en) * | 2005-11-28 | 2007-06-06 | Lg电子株式会社 | Scroll compressor |
-
2008
- 2008-07-30 CN CN2008101452157A patent/CN101358597B/en active Active
- 2008-07-30 CN CN2008101452161A patent/CN101358598B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212333A (en) * | 1997-08-11 | 1999-03-31 | 株式会社神户制钢所 | Oil-cooled type screw compressor |
| CN1342247A (en) * | 1999-11-22 | 2002-03-27 | 大金工业株式会社 | Scroll type compressor |
| CN2813936Y (en) * | 2005-07-01 | 2006-09-06 | 烟台冰轮股份有限公司 | Screw refrigerating compressor set |
| CN1975168A (en) * | 2005-11-28 | 2007-06-06 | Lg电子株式会社 | Scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101358598A (en) | 2009-02-04 |
| CN101358598B (en) | 2011-05-11 |
| CN101358597A (en) | 2009-02-04 |
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