CN101358597A - Compressor - Google Patents
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- CN101358597A CN101358597A CNA2008101452157A CN200810145215A CN101358597A CN 101358597 A CN101358597 A CN 101358597A CN A2008101452157 A CNA2008101452157 A CN A2008101452157A CN 200810145215 A CN200810145215 A CN 200810145215A CN 101358597 A CN101358597 A CN 101358597A
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- separation unit
- unit
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- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims description 60
- 238000000926 separation method Methods 0.000 claims description 57
- 230000006835 compression Effects 0.000 claims description 46
- 238000007906 compression Methods 0.000 claims description 46
- 238000011084 recovery Methods 0.000 claims description 46
- 239000003795 chemical substances by application Substances 0.000 claims description 42
- 238000005086 pumping Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 244000287680 Garcinia dulcis Species 0.000 claims 1
- 239000000659 freezing mixture Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Compressor (AREA)
- Rotary Pumps (AREA)
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 to the compression energy of compressible fluid (compressive fluid).Hermetic compressor (hermetic compressor) is structure like this: the compression unit that is used for producing the motor of driving force and is used for the driving force compressed fluid by being received from motor all is installed in the inner space of seal container.
When hermetic compressor was set to 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 the heat exchanging function of the reduction of compressor reliability and refrigeration cycle.
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 by 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 shortage of the oil of pumping causes the refrigerant gas (cooling refrigerant gas) of the cooling of reclaiming 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 separates from the refrigeration agent that compression unit is discharged.
In order to realize these and other advantages and,, provide a kind of compressor herein that it has as concrete that implement and abundant description according to purpose of the present invention: 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 by 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, described 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, provide a kind of compressor, have: housing, described 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.Described oil reclaims the unit and comprises in order to oil separation unit is connected the sump pump of the oily recovery tube on the housing and cooperate with described oily recovery tube (cooperating with), with the oil of pumping by the oil separation unit separation.
By 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, drawing the variations and modifications that do not break away from the scope of the invention and spirit from these are described in detail.
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 embodiments of the invention and is used from explanation principle of the present invention with explanatory note one.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 as 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
Describe the present invention in detail hereinafter 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 similarly be applied to other so-called hermetic compressor, for example rotary compressor.Described 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.
As shown in Figure 1 to Figure 3, can comprise compressor housing (hereinafter referred to as " housing ") 10 according to scroll compressor of the present invention, described 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.Described compression unit 30 comprises fixed scroll 31 and the moving scrollwork 32 that is driven by motor 20, 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 the suction chamber (suction chamber) that is formed by fixed scroll 31 and 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; Moving scrollwork 32 meshes 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 the main frame 11, carries out the moving motion to impel moving scrollwork 32; And safety check 34, be set to the floss hole 31c of switch fixed scroll 31, to stop backflow by exhaust openings 31c exhaust gas discharged (discharge gas).Fixedly scroll 31a and moving scroll 32a are arranged on respectively on fixed scroll 31 and the moving scrollwork 32 in a spiral manner.Fixedly scroll 31a and moving scroll 32a are engaged with each other to form compression chamber P.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 is described hereinafter 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 gives moving scrollwork 32.Subsequently, the moving scrollwork 32 of the rotating force that reception applies is by Oudan ring 33 movings on main frame 11 upper surfaces, form a pair of compression chamber P thus, described compression chamber P moves between the moving scroll 32a of the fixedly scroll 31a of fixed scroll 31 and moving scrollwork 32 continuously.Subsequently, these compression chambers P moves to the center by the continuous moving motion of moving scrollwork 32, thereby makes 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 by refrigeration agent discharge pipe DP by 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, is arranged on variable capacity 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 and comes pumping to be contained in oil in the housing 10.Oily passage 23a by 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 partly supply to a plurality of compression chamber P by main frame 11 and the supporting surface between the moving scrollwork 32, with sealing or lubricated compression chamber P in bent axle 23 upper ends.
Also be provided with the sump pump 52 that is connected to bent axle 23, described bent axle 23 is configured to and oil feed pump 25 cooperating operations.Sump pump 52 pumpings are also reclaimed the oil that separates from the refrigeration agent that compression unit gives off.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 described oil separation unit 40 is used for by 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 the oil that is configured to separate is recovered in the inner space of housing 10 (see figure 6) or described 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 by its middle part, and is perhaps supported by 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.
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 by 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 by 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 by refrigerant pipe RP, and the oil that separates collects in the bottom of oil separator 41.When bent axle 23 rotation 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 (pumpingforce).The oil that separates by oil separator 41 comes pumping by described pump suction.Oil by sump pump 52 pumpings is recovered in the inner space of housing 10 by oily recovery tube 51 and sump pump 52.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 constantly along with bent axle 23 rotations.
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 be achieved as follows: as shown in Figure 4 and 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 by the first inlet 52a, and the oil that collects in the bottom of housing 10 sucks by the second inlet 52b.These oil that suck by 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 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 of the oily recovery tube 151 that is positioned at housing 10 outsides, 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, described oily separate cover 241 is fixedly mounted in the inner space of housing 10, described oily separator tube 242 forms the surface of a sidewall that passes oily separate cover 241, so that the oil of housing 10 inside and refrigeration agent 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 the refrigeration agent that described discharge pipe DP is used for separating by 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 the oil that described oily recovery tube 251 is used for separating by 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 described sump pump 252 is used for the oil that pumping separates by oily separate cover 241.
As shown in Figure 7, the inlet of oily recovery tube 251 links to each other with the lower end of oily separate cover 241 and pierce compressed unit 30 subsequently, thereby links 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 the 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 and oil flowed to lower space S2 via the inlet side fluid passage.After this, refrigeration agent and oil flow to upper space S1 via the outlet side fluid passage.Subsequently, refrigeration agent and oil are directed in the oily separate cover 241 by oily separator tube 242, with in the inside of oily separate cover 241 moving.Therefore, refrigeration agent and oil are separated from one another.Afterwards, the refrigeration agent of separation flows to refrigeration cycle by discharge pipe DP, and the oil of Fen Liing is recycled to the oily passage 23a of bent axle 23 via oily recovery tube 251 by the pump suction of sump pump 252 simultaneously.This process can repeat constantly along with the rotation of bent axle 23.
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 (radiatingmember) (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 by 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 only are 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.The feature of exemplary embodiment as described herein, 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 feature and embody with some kinds of forms, what therefore will also be understood that is, unless 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, be understood fully.Therefore, fall in the scope of these claims and the boundary change and revise or the equivalent substitution of described scope and boundary all is covered by in the scope of appending claims.
Claims (23)
1. compressor comprises:
Compressor main body, it comprises the housing that limits the inner space;
Suction pipe, it is connected to described housing;
Discharge pipe, it is connected to described housing;
Motor, it is installed in the inner space of described housing;
Compression unit, its by described motoring with compressed refrigerant;
Oil separation unit, it is configured to separating oil from the refrigeration agent of described compression unit discharging; And
Oil reclaims the unit, and it is configured to pumping and is recovered in the described compressor main body by the oil of described oil separation unit separation and the oil that will separate.
2. compressor as claimed in claim 1, wherein said oil reclaim the unit and comprise the oily recovery tube that is connected to described oil separation unit.
3. compressor as claimed in claim 2, wherein said oil separation unit is positioned at the outside of the housing of described compressor main body, described oil separation unit has entrance and exit, described inlet is connected to described compressor main body via described discharge pipe, and described outlet is connected to described compressor main body via described oily recovery tube.
4. compressor as claimed in claim 3, an end of wherein said oily recovery tube is connected to described compressor main body, and the other end of described oily recovery tube is connected to the outlet of described oil separation unit.
5. the support member support of the outer circumferential face of compressor as claimed in claim 3, the wherein said oil separation unit housing by being fixed to described compressor main body.
6. compressor as claimed in claim 2, wherein said oil reclaims the unit pack oil scraper and reclaims pump, and described sump pump is arranged on the middle part of described oily recovery tube, with the oil of pumping by described oil separation unit separation.
7. compressor as claimed in claim 1, wherein said oil separation unit is positioned at the enclosure interior of described compressor main body.
8. compressor as claimed in claim 7, wherein said oil reclaims unit pack oil scraper recovery tube, and described oily recovery tube is positioned at the enclosure interior of described compressor main body, with the oil of guiding by described oil separation unit separation.
9. compressor as claimed in claim 7, wherein said oil reclaims unit pack oil scraper recovery tube, with the oil of guiding by described oil separation unit separation, and
At least a portion of wherein said oily recovery tube is positioned at the outside of described compressor main body.
10. compressor as claimed in claim 7, wherein said oil separation unit comprises:
The inner space; And
The oil separator tube, it is used to guide the oil of separation, and described oily separator tube is bending or crooked, so that be directed to the freezing mixture moving in a spiral manner in the inner space of described oil separation unit.
11. compressor as claimed in claim 1, wherein said compression unit comprises:
Fixed scroll, it is fixedly mounted on the described housing; And
The moving scrollwork, it is cooperated with described fixed scroll engagement and with described motor and carries out moving, and described fixed scroll and moving scrollwork limit at least one compression chamber.
12. compressor as claimed in claim 1, the inner space of wherein said housing are the inner spaces of sealing.
13. a compressor comprises:
Housing, it has the inner space;
Suction pipe, it is connected to described housing;
Discharge pipe, it is connected to described housing;
Motor, its inner space that is arranged in described housing is to produce driving force;
Compression unit, its by described motoring with compressed refrigerant;
Oil separation unit, it is configured to separating oil from the refrigeration agent of described compression unit discharging; And
Oil reclaims the unit, and it comprises by the power-actuated sump pump of the rotation of described motor, with the oil of pumping by described oil separation unit separation.
14. compressor as claimed in claim 13, wherein said motor comprises:
Bent axle; And
Wherein said sump pump comprises:
Inner gear, it is connected on the bent axle of described motor;
Outside gear, its with the gear engagement of described inside with the generation variable capacity; And
Inlet, it is used to receive the oil that is separated by described oil separation unit.
15. compressor as claimed in claim 13, wherein said sump pump comprise first inlet that is connected to described oil separation unit and second inlet that links to each other with the inner space of described housing.
16. compressor as claimed in claim 15, the bent axle of wherein said motor comprise the oily passage that is arranged in described bent axle, described oily passage extends axially along described bent axle, and
Wherein said sump pump comprises the outlet that links to each other with described second inlet with described first inlet, and described outlet links to each other with the described oily passage that is arranged in described bent axle.
17. compressor as claimed in claim 13 also comprises the oil feed pump of a side that is arranged on described sump pump,
Wherein said motor comprises bent axle, and described oil feed pump is connected on the bent axle of described motor rotating with described sump pump, thereby pumping is contained in the oil in the described housing.
18. compressor as claimed in claim 17, wherein said oil feed pump includes an inlet and an outlet, and described sump pump includes an inlet and an outlet, and the entrance and exit of described oil feed pump is independent of the entrance and exit of described sump pump and is provided with.
19. a compressor comprises:
Housing, it has the inner space;
Suction pipe, it is connected to described housing;
Discharge pipe, it is connected to described housing;
Motor, its inner space that is arranged in described housing is to produce driving force;
Compression unit, its by described motoring with compressed refrigerant;
Oil separation unit, it is configured to separating oil from the refrigeration agent of described compression unit discharging; And
Oil reclaims the unit, and it comprises:
The oil recovery tube, it is used for described oil separation unit is connected to described housing; And
Sump pump, the oil that it is separated by described oil separation unit with pumping with described oily recovery tube cooperation.
20. compressor as claimed in claim 19, wherein said oily recovery tube has the outlet that links to each other with the inner space of described housing.
21. compressor as claimed in claim 20, wherein said motor comprises bent axle, and described oily recovery tube comprises outlet, and described compressor also comprises:
Oil feed pump, it has inlet, and described oil feed pump is positioned on the described bent axle, and being contained in the oil in the described housing at the simultaneous pumping that rotates with described bent axle, and the outlet of described oily recovery tube is connected to the inlet of described oil feed pump.
22. compressor as claimed in claim 19, wherein said sump pump comprises adjustable frequency motor, so that the rotating speed of pump output and described motor changes pro rata.
23. compressor as claimed in claim 19, wherein said sump pump is positioned at the middle part of described oily recovery tube.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070076579 | 2007-07-30 | ||
| KR10-2007-0076579 | 2007-07-30 | ||
| KR1020070076579 | 2007-07-30 | ||
| KR1020070139286 | 2007-12-27 | ||
| KR10-2007-0139286 | 2007-12-27 | ||
| KR20070139286 | 2007-12-27 | ||
| KR1020080070336A KR101275185B1 (en) | 2008-07-18 | 2008-07-18 | Compressor |
| KR10-2008-0070336 | 2008-07-18 | ||
| KR1020080070336 | 2008-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101358597A true CN101358597A (en) | 2009-02-04 |
| CN101358597B CN101358597B (en) | 2012-07-04 |
Family
ID=40331156
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101452157A Expired - Fee Related CN101358597B (en) | 2007-07-30 | 2008-07-30 | Compressor |
| CN2008101452161A Expired - Fee Related 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 Expired - Fee Related CN101358598B (en) | 2007-07-30 | 2008-07-30 | Hermetic compressor and refrigeration cycle device having the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101358597B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967784A (en) * | 2013-01-29 | 2014-08-06 | 艾默生环境优化技术(苏州)有限公司 | Compressor |
| CN104583690A (en) * | 2013-06-06 | 2015-04-29 | 松下知识产权经营株式会社 | Oil separator and method for manufacturing oil separator |
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| US20170306964A1 (en) * | 2016-04-26 | 2017-10-26 | Lg Electronics Inc. | Scroll compressor |
| CN110242542A (en) * | 2019-06-28 | 2019-09-17 | 中国科学院理化技术研究所 | A kind of compressor air-discharging mechanism and its compressor |
| CN110926050A (en) * | 2018-09-20 | 2020-03-27 | 日立江森自控空调有限公司 | Refrigerating air conditioner and closed electric compressor used for same |
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| JP3499110B2 (en) * | 1997-08-11 | 2004-02-23 | 株式会社神戸製鋼所 | Oil-cooled screw compressor |
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| KR100864754B1 (en) * | 2005-11-28 | 2008-10-22 | 엘지전자 주식회사 | Oil feeding structure for scroll compressor |
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2008
- 2008-07-30 CN CN2008101452157A patent/CN101358597B/en not_active Expired - Fee Related
- 2008-07-30 CN CN2008101452161A patent/CN101358598B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103967784A (en) * | 2013-01-29 | 2014-08-06 | 艾默生环境优化技术(苏州)有限公司 | Compressor |
| 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 |
| CN104583690A (en) * | 2013-06-06 | 2015-04-29 | 松下知识产权经营株式会社 | Oil separator and method for manufacturing oil separator |
| US9863675B2 (en) | 2013-06-06 | 2018-01-09 | Panasonic Intellectual Property Management Co., Ltd. | Oil separator and 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 |
| US20170306964A1 (en) * | 2016-04-26 | 2017-10-26 | Lg Electronics Inc. | Scroll compressor |
| CN109072909A (en) * | 2016-04-26 | 2018-12-21 | Lg电子株式会社 | Scroll compressor |
| EP3450762A4 (en) * | 2016-04-26 | 2019-09-25 | LG Electronics Inc. -1- | Scroll compressor |
| US10648471B2 (en) | 2016-04-26 | 2020-05-12 | Lg Electronics Inc. | Scroll compressor |
| CN110926050A (en) * | 2018-09-20 | 2020-03-27 | 日立江森自控空调有限公司 | Refrigerating air conditioner and closed electric compressor used for same |
| CN110953754A (en) * | 2018-09-26 | 2020-04-03 | 日立江森自控空调有限公司 | Refrigerating air conditioner and closed electric compressor used for same |
| CN110242542A (en) * | 2019-06-28 | 2019-09-17 | 中国科学院理化技术研究所 | A kind of compressor air-discharging mechanism and its compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101358598A (en) | 2009-02-04 |
| CN101358597B (en) | 2012-07-04 |
| CN101358598B (en) | 2011-05-11 |
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