CN1757924A - Oil discharge reducing device for scroll compressor - Google Patents
Oil discharge reducing device for scroll compressor Download PDFInfo
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- CN1757924A CN1757924A CNA2005100548178A CN200510054817A CN1757924A CN 1757924 A CN1757924 A CN 1757924A CN A2005100548178 A CNA2005100548178 A CN A2005100548178A CN 200510054817 A CN200510054817 A CN 200510054817A CN 1757924 A CN1757924 A CN 1757924A
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- rotor
- oil
- hole
- main frame
- groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/22—Fluid gaseous, i.e. compressible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Abstract
An oil discharge reducing device for a scroll compressor comprises: a refrigerant guiding mechanism for guiding a refrigerant gas of high pressure discharged through a discharge opening of the fixed scroll to a rotor of the driving motor; and an oil separating mechanism penetrated through the rotor and for separating oil contained in the refrigerant gas by a centrifugal force caused by the rotation of the rotor while the refrigerant gas guided by the refrigerant guiding mechanism cools the driving motor as it flows though the driving motor. According to this, an amount of oil leaked to outside of the compressor is minimized, and the driving motor constituting the compressor can be effectively cooled.
Description
Technical field
The present invention relates to scroll compressor, more particularly, relate to a kind of oil discharge reducing device that is used for scroll compressor, this oil discharge reducing device makes the oily discharge minimum of compressor, and cools off the drive motor of forming this compressor effectively.
Background technique
In general, when scroll compressor moves with respect to a plurality of compression chambers along with the rotation motion of the whirlpool of two contacts dish (scroll), the volume of this scroll compressor changes, wherein this compression chamber is formed by two scrollworks (warp), simultaneously this scroll compressor according to the variation of compression chamber volume aspirate, compression and exhausting air.
Scroll compressor is divided into low-pressure type and high pressure type, and in low-pressure type, enclosure interior keeps low pressure, i.e. suction pressure, and in high pressure type, enclosure interior keeps high pressure, i.e. discharging is pressed.
Fig. 1 is the sectional view that shows an example of high pressure swirl compressor.
As illustrating here, this high pressure swirl compressor comprises: the housing 10 that has suction pipe 11 and discharge pipe 12; With the predetermined vertical fixed interval and be connected to main frame 20 and sub-frame 30 on this housing 10; Thereby fix and be connected to the fixed eddy plate 40 that is positioned at these main frame 20 upsides on the housing 10; Between this fixed eddy plate 40 and main frame 20 so as can to cooperate with fixed eddy plate 40 rotation around movable orbiting scroll 50; Between movable orbiting scroll 50 and main frame 20, be used to stop Odum (Oldham) to encircle 60 at this around movable orbiting scroll 50 rotations; Fix and be connected to and be used to produce driving force and the drive motor between this main frame 20 and sub-frame 30 on this housing 10; And the driving force of drive motor is delivered to this rotating shaft 70 on movable orbiting scroll 50.
The bottom surface of this housing 10 is filled with oil.This suction pipe 11 and discharge pipe 12 are positioned at equidirectional, and discharge pipe 12 is positioned at the downside of this fixed eddy plate 40.
This main frame 20 comprises: be formed in the chassis body portion 21, have reservation shape and be used to make rotating shaft 70 to penetrate and be inserted into wherein shaft insertion hole 22; Stretch and have the axle sleeve insertion groove 23 of the internal diameter bigger than shaft insertion hole 22 internal diameters from this shaft insertion hole 22; Be formed on the end face of this chassis body portion 21 and be used to support this stayed surface 24 around movable orbiting scroll 50; Be formed in the chassis body portion 21 and with the back pressure space groove 25 that forms pressure space around movable orbiting scroll 50 rear sides with reservation shape; And be formed on the outer surface of chassis body portion 21 and form the flow path groove 26 of gas channel with housing 10.
This fixed eddy plate 40 comprise the main part 41 that forms with reservation shape, with the involute with predetermined thickness and height be formed on this main part 41 a lip-deep scrollwork 42, penetrate floss hole 43, be formed on the pump port 44 of these main part 41 1 sides and be formed on the outer surface of this fixed eddy plate 40 and be used for making the flow path groove 45 of gas flow with housing 10 at this main part 41 centers.The suction pipe 11 that is arranged on this housing 10 inserts and is connected to this pump port.
Should comprise dish portion 51, be formed on a lip-deep scrollwork 52 of this dish portion 51 around movable orbiting scroll 50, and be formed on the supercentral shaft sleeve part 53 of these dish portion 51 opposite sides with involute with predetermined thickness and height with predetermined thickness and area.
Should be connected between this fixed eddy plate 40 and the main frame 20 around movable orbiting scroll 50, thereby this scrollwork 52 cooperates with this scrollwork 42, this shaft sleeve part 53 is inserted in the axle sleeve insertion groove 23 of this main frame 20, and a surface that simultaneously should dish portion 51 is supported by the stayed surface 24 of this main frame 20.
This rotating shaft 70 has eccentric part 71.One side of this rotating shaft 70 pierces into and is inserted in the shaft insertion hole 22 of this main frame 20, and eccentric part 71 is connected to this on the shaft sleeve part 53 of movable orbiting scroll 50, its opposite side is supported by this sub-frame 30 simultaneously.
This drive motor comprises and has coil C and fixing and be connected to the stator 80 on the housing 10 and rotatably be connected to the rotor 90 of stator 80 inside.Gas forms together by the external peripheral surface and the housing 10 of its gas channel that flows by this stator 80.
Unaccounted label B represents sleeve, and 100 expressions are installed in the oily feeder in this rotating shaft 70, and 110 expression counterweights.
The operation of the compressing mechanism of high pressure swirl compressor as mentioned above will be described below.
When electric energy is applied on this scroll compressor, by the stator 80 of formation drive motor and the interaction effect between the rotor 90, rotor 90 rotations, the rotating force of rotor 90 is delivered to around movable orbiting scroll 50 via rotating shaft 70 simultaneously.Be delivered to this around movable orbiting scroll 50 by rotating force with rotating shaft 70, be connected on the eccentric part 71 of rotating shaft around movable orbiting scroll 50 around the axis of rotating shaft 70 and pivot.Should when pivoting, movable orbiting scroll 50 be stoped its rotation by Othemos ring 60.
Along with pivot around movable orbiting scroll 50, because the scrollwork 52 around movable orbiting scroll cooperates with the scrollwork 42 of fixed eddy plate, the a plurality of compression chamber P that formed by the scrollwork 42 around the scrollwork 52 of movable orbiting scroll and fixed eddy plate move to fixed eddy plate 40 and around the center of movable orbiting scroll 50, simultaneously, because their volume-variation, therefore suction and pressurized gas are also floss hole 43 dischargings of gas via fixed eddy plate.
At this moment, gas is sucked in the pump port 44 of fixed eddy plate via suction pipe 11, flows to gas pumping in this pump port 44 simultaneously to compression chamber P.
As shown in Figure 2, the refrigerant gas of high-temperature high-pressure state is discharged via the floss hole 43 of fixed eddy plate, and this refrigerant gas the flow through flow path groove 45 of fixed eddy plate and the flow path groove 26 of main frame flow to the downside of main frame 20.The most of higher pressure refrigerant gas that flow into downside is via discharge pipe 12 dischargings, and the passage of part of refrigerant gas stream between stator 80 and housing 10 wherein, flow into the downside of drive motor, and the refrigerant gas that moves to this drive motor downside moves to upside once more via the passage between this stator 80 and the housing 10.In this process, drive motor is cooled.The refrigerant gas that cools off this drive motor is discharged via discharge pipe 12.High-temperature high-pressure refrigerant gas via discharge pipe 12 dischargings circulates in cooling recirculation system.
Simultaneously, along with rotating shaft 70 rotation, the oil that is filled in these housing 10 bottom surfaces is by being connected to oily feeder 100 in the rotating shaft 70 and the centrifugal force supply by rotating shaft 70, thereby flows to upside via the oily runner 72 of rotating shaft.The oil spurts that flows to upside via the oily runner 72 of rotating shaft is ejected into oil supply on this axle sleeve insertion groove 23 between the parts that relative movement takes place simultaneously to the axle sleeve insertion groove 23 of main frame.The oil that is fed between the parts is recovered on the bottom surface of housing 10 via this shaft insertion hole 22.
Yet, in aforesaid high pressure swirl compressor, although via the high-temperature high-pressure refrigerant gas stream of floss hole 43 discharging of fixed eddy plate through housing 10, be discharged via discharge pipe 12 then, but the part oil that is recovered to housing 10 bottom surfaces after spraying via oily runner 72 mixes with high temperature refrigerant gas, directly discharges via discharge pipe 12 then.Therefore, excessive oil flows in the cooling recirculation system too much in housing 10 owing to filling, this will cause the deficiency of oil in housing 10, therefore oil can not be fed in the parts that relative movement takes place reposefully, excessive oil flow in this cooling recirculation system simultaneously, thereby the efficient of cooling recirculation system is reduced.
In addition, because the path flow that part of refrigerant gas forms by the inner circumferential surface by the external peripheral surface of drive motor stator 80 and housing 10, so this drive motor can not be cooled off effectively.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of oil discharge reducing device of scroll compressor, the compressor oil discharge is minimum to stop deficiency oily in compressor to this device by making, and improves the efficient of the cooling recirculation system that comprises compressor.
Another object of the present invention provides a kind of oil discharge reducing device of such scroll compressor, and this device cooling effectively constitutes the drive motor of compressor.
In order to realize these and other advantages, according to the purpose of the present invention of implicit and general description here, provide a kind of oil discharge reducing device of scroll compressor, this scroll compressor comprises: the housing that is filled with oil in its bottom surface; Be installed in the drive motor that is used to produce rotating force on this housing; Fix and be connected to the main frame on this housing; With the fixed eddy plate of this main frame with the predetermined interval location; And between this fixed eddy plate and main frame and cooperate with this fixed eddy plate around movable orbiting scroll, wherein should comprise by the oil tapping equipment: the refrigeration agent guiding mechanism, this mechanism is used for the higher pressure refrigerant gas via the discharging of fixed eddy plate floss hole is directed to the rotor-side of drive motor; And the oil content structure of disembarking, rotor passes in this mechanism, and is used for by the centrifugal force that the rotor rotation produces the oil that is contained in refrigerant gas being separated, and when the refrigerant gas that is guided by the refrigeration agent guiding mechanism is flowed through this drive motor simultaneously it is cooled off.
Description of drawings
The accompanying drawing that comprises provides the further understanding to invention, is incorporated in this specification simultaneously and constitutes the part of specification.These accompanying drawings show inventive embodiment and are used for illustrating inventive principle with describing.
In the drawings:
Fig. 1 is the sectional view that shows an example of high pressure swirl compressor;
Fig. 2 is the sectional view that shows the high pressure swirl compressor serviceability;
Fig. 3 is the sectional view of high pressure swirl compressor, and wherein this scroll compressor has scroll compressor oil discharge reducing device according to an embodiment of the invention;
Fig. 4 is the perspective exploded view that shows the drive motor rotor that constitutes high pressure swirl compressor;
Fig. 5 is the planimetric map that shows the drive motor rotor that constitutes high pressure swirl compressor;
Fig. 6 is the sectional view that shows the oily isolating plate that constitutes scroll compressor oil discharge reducing device of the present invention;
Fig. 7 and 8 is for showing the front of running through runner and the section plan that constitutes scroll compressor oil discharge reducing device of the present invention;
Fig. 9 is the partial sectional view that shows the modification example of through-flow channel; And
Figure 10 is the sectional view of high pressure swirl compressor that shows the serviceability of scroll compressor oil discharge reducing device of the present invention.
Embodiment
To describe the oil discharge reducing device of scroll compressor of the present invention according to embodiment illustrated in the accompanying drawings in detail below.
Fig. 3 is the sectional view of high pressure swirl compressor, and wherein this scroll compressor has scroll compressor oil discharge reducing device according to an embodiment of the invention.Parts same as the prior art are represented with identical label.
As shown in the figure, this high pressure swirl compressor comprises: the housing 10 that has suction pipe 11 and discharge pipe 12; With the predetermined vertical fixed interval and be connected to main frame 20 and sub-frame 30 on this housing 10; Thereby fix and be connected to the fixed eddy plate 40 that is positioned at these main frame 20 upsides on the housing 10; Between this fixed eddy plate 40 and main frame 20 so as can to cooperate with fixed eddy plate 40 rotation around movable orbiting scroll 50; Between movable orbiting scroll 50 and main frame 20, be used to stop Othemos ring 60 at this around movable orbiting scroll 50 rotations; Fix and be connected to and be used to produce driving force and the drive motor between this main frame 20 and sub-frame 30 on this housing 10; And the driving force of drive motor is delivered to this rotating shaft 70 on movable orbiting scroll 50.
The bottom surface of this housing 10 is filled with oil.This suction pipe 11 and discharge pipe 12 are positioned at equidirectional, and discharge pipe 12 is positioned at the downside of this fixed eddy plate 40.
This main frame 20 comprises: be formed on and have reservation shape in the chassis body portion 21 and be used to make rotating shaft 70 to penetrate and be inserted into wherein shaft insertion hole 22; Extend and have the axle sleeve insertion groove 23 of the internal diameter bigger than shaft insertion hole 22 internal diameters from this shaft insertion hole 22; Be formed on the end face of this chassis body portion 21 and be used to support this stayed surface 24 around movable orbiting scroll 50; Be formed in the chassis body portion 21 and with the back pressure space groove 25 that forms pressure space around movable orbiting scroll 50 rear sides with reservation shape; And be formed on the outer surface of chassis body portion 21 and form the flow path groove 26 of gas channel with housing 10.
This fixed eddy plate 40 comprise the main part 41 that forms with reservation shape, with the involute with predetermined thickness and height be formed on this main part 41 a lip-deep scrollwork 42, penetrate floss hole 43, be formed on the pump port 44 of these main part 41 1 sides and be formed on the outer surface of this fixed eddy plate 40 and be used for making the flow path groove 45 of gas flow with housing 10 at this main part 41 centers.The suction pipe 11 that is arranged on this housing 10 inserts and is connected to this pump port.
Should comprise dish portion 51, be formed on a lip-deep scrollwork 52 of this dish portion 51 around movable orbiting scroll 50, and be formed on the supercentral shaft sleeve part 53 of these dish portion 51 opposite sides with involute with predetermined thickness and height with predetermined thickness and area.
Should be connected between this fixed eddy plate 40 and the main frame 20 around movable orbiting scroll 50, thereby this scrollwork 52 cooperates with this scrollwork 42, this shaft sleeve part 53 is inserted in the axle sleeve insertion groove 23 of this main frame 20, and a surface that simultaneously should dish portion 51 is supported by the stayed surface 24 of this main frame 20.
This rotating shaft 70 has eccentric part 71.One side of this rotating shaft 70 pierces into and is inserted in the shaft insertion hole 22 of this main frame 20, and eccentric part 71 is connected to this on the shaft sleeve part 53 of movable orbiting scroll 50, its opposite side is supported by this sub-frame 30 simultaneously.
This drive motor comprises and has coil C and fixing and be connected to the stator 80 on the housing 10 and rotatably be connected to the rotor 90 of stator 80 inside.Gas forms through the external peripheral surface and the housing 10 of its gas channel that flows by stator 80.
Preferably, this drive motor is the synchronous magnetic resistance motor that produces rotating force by reluctance torque.
This high pressure swirl compressor has refrigeration agent guiding mechanism and the oil content structure of disembarking, this refrigeration agent guiding mechanism is used for the higher pressure refrigerant gas that the floss hole 43 via fixed eddy plate discharges is directed to rotor 90 sides of drive motor, structure passes this rotor 90 and oil content is disembarked, and being used for utilizing the centrifugal force that produces by rotor 90 rotations that the oil that is contained in refrigerant gas is separated, the refrigerant gas by this refrigeration agent guiding mechanism guiding cools off it when flowing through this drive motor simultaneously.
This refrigeration agent guiding mechanism comprises first flow path f1 that is formed on these fixed eddy plate 40 1 sides and the second flow path f2 that penetrates this main frame 20, thereby makes the upside of the refrigerant flow direction rotor 90 of the first flow path f1 that flows through.
Preferably, this first flow path f1 is the flow path groove that is formed on chassis body portion 21 external peripheral surfaces of this fixed eddy plate, and forms runner with this housing 10.Thereby this second flow path f2 comprise vertically be formed on first upright opening 27 that is communicated with this first flow path f1 on these main frame 20 external peripheral surfaces, from this horizontal hole 28 that first upright opening 27 extends and level forms with extend from this horizontal hole 28 and second upright opening 28 of vertical formation.
This oil content is disembarked structure for pass the runner that runs through of this rotor 90 at its length direction.
Shown in Figure 4 and 5, this rotor 90 is a cylinder lamination main body, wherein has multilayer circle thin plate.This rotor 90 comprises the rotor body 91 that has a plurality of groove S and the top ring 92 that is connected to these rotor body 91 end faces and the lower loop 93 that is connected to these rotor body 91 lower surfaces, and wherein this groove S penetrates with circular shape along circumferencial direction.As for this groove S, the end face of this rotor body 91 is divided into four zones, and a plurality of groove S are formed in four zonings on each zone.The direction of a curve of groove S is relative with the direction of a curve of rotor body 91 external peripheral surfaces.When this drive motor operation, these a plurality of groove S form the utmost point of this rotor 90.
This top ring 92 and lower loop 93 have counterweight 110, are used to keep comprise the spin balancing of the rotating main body of rotating shaft 70.
This runs through runner and comprises a plurality of first hole H1 that pass this top ring 92 and be communicated with groove S and a plurality of second hole H2 that pass this lower loop 93 and be communicated with groove S.
The quantity of the first hole H1 is four, and each first hole H1 is arranged on one of groove S, and wherein this groove S is arranged in four configuring areas dividing from this rotor body 91 on each.This first hole H1 is positioned at the center of this groove S.
This second hole H2 comprises four gas discharge hole h2 and eight oily discharge orifice h3.Each all is arranged on one of groove S among four gas discharge hole h2, and wherein groove S is arranged in from four zones that this rotor body 91 is divided on each.In addition, eight oily discharge orifice h3 are positioned at two opposite ends of the residing groove S of gas discharge hole h2.
As shown in Figure 6, oil separation plate 130 is formed on the lower surface of lower loop 93, and wherein this lower loop is spaced into gas discharge hole h2 and oily discharge orifice h3, is used to stop gas and oil to mix.This oil separation plate 130 is for having the drum of predetermined length.This oil separation plate 130 can be integrally formed with this lower loop 93, perhaps can be attached on the lower loop 93 by independent manufacturing.
The second hole H2 that is formed on the first hole H1 on the top ring 92 and is formed on the lower loop 93 overlaps with the counterweight 110 that is connected on top ring 92 and the lower loop 93, and in this case, the position according to the first hole H1 and the second hole H2 on the counterweight 110 forms through hole.
Shown in Fig. 7 and 8, in running through another embodiment of runner, this runs through runner and comprises a plurality of oil separate chambers, and wherein this oil separate chamber is running through on the inner circumferential surface of rotor shaft patchhole h1 on the length direction of rotor 90, and its shaft 70 is press fit in the rotor.
This oil separate chamber 94 is formed in a circumferential direction with predetermined interval on the inner circumferential surface of rotor insertion hole h1, and their cross section forms with constant direction.
As shown in Figure 9, in the modification example of oil separate chamber 94, this oil separate chamber 94 forms in this manner, and promptly area increases gradually, thereby inlet side has small cross sections, and the outside has larger cross-section.
Unaccounted label B represents sleeve, and 100 expressions are installed in the oily feeder in the rotating shaft 70, and H3 represents molded aperture.
The operating effect of high pressure swirl compressor compressing mechanism as mentioned above will be described below.
When electric energy is applied to this scroll compressor, by the stator 80 of formation drive motor and the interaction effect between the rotor 90, rotor 90 rotations, the rotating force of rotor 90 is delivered to around movable orbiting scroll 50 via rotating shaft 70 simultaneously.Rotating force by rotating shaft 70 is delivered to this around movable orbiting scroll 50, be connected on the eccentric part 71 of rotating shaft around movable orbiting scroll 50 around the axis of rotating shaft 70 and pivot.Should when pivoting, movable orbiting scroll 50 be stoped rotation by Othemos ring 60.
Along with pivot around movable orbiting scroll 50, because the scrollwork 52 around movable orbiting scroll cooperates with the scrollwork 42 of fixed eddy plate, the a plurality of compression chamber P that formed by the scrollwork 42 around the scrollwork 52 of movable orbiting scroll and fixed eddy plate move to fixed eddy plate 40 and around the center of movable orbiting scroll 50, simultaneously, because their volume-variation, therefore suction and pressurized gas are also floss hole 43 dischargings of gas via fixed eddy plate.
At this moment, gas is sucked in the pump port 44 of fixed eddy plate via suction pipe 11, and the gas pumping that flows to simultaneously in this pump port 44 arrives this compression chamber P.
Simultaneously, along with rotating shaft 70 rotations, the oil that is filled in these housing 10 bottom surfaces is by being connected to the oily feeder 100 in the rotating shaft 70 and supplying with by the centrifugal force of rotating shaft 70, thereby the oily runner 72 via rotating shaft flows to upside, and be ejected on the axle sleeve insertion groove 23 of main frame, and the oil supply that is ejected on this axle sleeve insertion groove 23 is taking place between the parts of relative movement.The a part of oil that is fed between the parts is recovered on the bottom surface of housing 10, and other parts are mixed with the high-temperature high-pressure refrigerant gas that is discharged into floss hole 43.
As shown in figure 10, by first flow path f1 of fixed eddy plate and the second flow path f2 of main frame, flow to rotor 90 sides of drive motor via the high-temperature high-pressure refrigerant gas of floss hole 43 discharging of fixed eddy plate.At this moment, the 120 inhibition refrigerant gas of the induction element between this main frame 20 and drive motor spread in housing 10.
From running through the suction force that runner produces, the refrigerant gas that flows to rotor 90 sides is flowed through to constitute and is run through the first hole H1, groove S and the second hole H2 of runner, thereby flows to the downside of drive motor by the rotation by rotor 90.In refrigerant gas is flowed through the process of groove S, when the oil in being blended in refrigerant gas separates with groove S by centrifugal force, this oil is via the oily discharge orifice h3 discharging that constitutes the second hole H2, and the refrigerant gas that oil separates with it flows to the downside of drive motor via oily discharge orifice h2.
To describe in detail below oil and refrigerant gas separating process from groove S.Because groove S is a circular shape, if the refrigerant gas that mixes with this oil flows in the groove S, these rotor 90 rotations simultaneously, the centrifugal force that utilizes these rotor 90 rotations to produce, the oil that then is blended in this refrigerant gas accumulates in two opposed ends of groove S along the inwall of the groove S that is positioned at the outside, thereby falls.The oil of falling groove S opposed end flows to downside via the oily discharge orifice h3 that is positioned at two opposed ends of groove S.The refrigerant gas that oil separates with it via be positioned at the same straight line of the first hole H1 on gas discharge hole h2 and discharge.
By the rotating force of rotor 90, drive motor is cooled off when the oil of oily discharge orifice h3 discharging is on being ejected into this coil C and stator 80, the oil that drive motor has been cooled off simultaneously is recovered on the bottom surface of housing 10.
The refrigerant gas that flows to the drive motor downside by exhaust port h2 is via discharge pipe 12 dischargings, and the path that forms via external peripheral surface and housing 10 by stator 80 flows to the upside of drive motor simultaneously.
If oil separation plate 130 is connected on the lower loop 93, then oil separation plate 130 makes the oil that sprays via oily discharge orifice h3 minimize with mixing via the mobile refrigerant gas of gas discharge hole h2.
Simultaneously, in running through another embodiment of runner, in a plurality of oil separate chambers 94 are formed on situation on the inner circumferential surface of this shaft insertion hole h1, the centrifugal force that rotating force by rotor 90 produces, be blended in oil accumulation in the refrigerant gas that flow into oil separate chamber 94 on the inwall of oil separate chamber 94, and fall along this inwall.If the cross section of oil separate chamber 94 becomes bigger, realize more effectively that then oil separates.Simultaneously, the oily refrigerant gas that separates with it flows to the downside of drive motor via oil separate chamber 94.
As mentioned above, at the oil discharge reducing device that is used for scroll compressor according to the present invention, because via the refrigeration agent guiding mechanism be applied in oil content on the rotor 90 of the drive motor structure of disembarking and be discharged into discharge pipe 12, this drive motor cools off effectively by the refrigerant gas that mixes with oil via the refrigerant gas of floss hole 43 discharging of fixed eddy plate.
When the refrigerant gas that mixes with oil is flowed through oil content when disembarking structure, the oil that mixes with this refrigerant gas separates effectively by the rotating force of rotor 90, thereby makes via discharge pipe 12 minimum with the oil mass that refrigerant gas discharges.In addition, the oil spurts that separates with this refrigerant gas is to drive motor, thereby this drive motor is cooled off in the concentrated area, has therefore improved the cooling effectiveness of drive motor more.
Because the oil mass of mixing with the refrigerant gas that is discharged into this cooling recirculation system via discharge pipe 12 is minimum, so just stoped the system effectiveness that causes owing to the excessive oil of in this cooling recirculation system, accumulating to reduce, in addition, the deficiency that is filled in oil in this compressor housing 10 is inhibited, and has improved the reliability of this compressor.
Claims (17)
1. the oil discharge reducing device of a scroll compressor, this scroll compressor comprises: the housing that is filled with oil in its bottom surface; Be installed in the drive motor that is used to produce rotating force on this housing; Fix and be connected to the main frame on this housing; With the fixed eddy plate of this main frame with the predetermined interval location; And between this fixed eddy plate and main frame and cooperate with this fixed eddy plate around movable orbiting scroll,
Wherein should comprise by the oil tapping equipment:
The refrigeration agent guiding mechanism, this mechanism is used for the higher pressure refrigerant gas that the floss hole via fixed eddy plate discharges is directed to the rotor of drive motor; And
The oil content structure of disembarking, rotor passes in this mechanism, and is used for by the centrifugal force that the rotor rotation produces the oil that is contained in refrigerant gas being separated, and the refrigerant gas that is guided by the refrigeration agent guiding mechanism cools off it when flowing through this drive motor simultaneously.
2. device as claimed in claim 1, wherein this refrigeration agent guiding mechanism comprises first flow path that is formed on fixed eddy plate one side and second flow path that passes main frame, thereby passes the upside of the refrigerant flow direction rotor of this first flow path.
3. device as claimed in claim 1, thus wherein this second flow path comprises first upright opening that is communicated with this first path on the external peripheral surface that vertically is formed on this main frame, extends and second upright opening of vertical formation from this first upright opening extends and level forms horizontal hole with from this horizontal hole.
4. device as claimed in claim 2 wherein is used on the refrigerant gas guiding that will flow out by second flow path is positioned at main frame to the induction element of rotor upside the lower surface and is positioned at the upside of this rotor.
5. device as claimed in claim 4, wherein this induction element forms cylindrical shape.
6. device as claimed in claim 4, wherein this induction element and this main frame are integrally formed.
7. device as claimed in claim 1, wherein this oil content structure of disembarking is the runner that runs through that penetrates rotor owing to penetrate rotor on the rotor length direction.
8. device as claimed in claim 7, wherein this rotor comprises: the rotor subject that is configured to cylinder lamination main body, wherein this main body has the round thin plate of a plurality of laminations, this main body has a plurality of grooves, this groove penetrates with circular shape along the circumferencial direction of lamination main body, and has shaft insertion hole at the center of this lamination main body; And the top ring and the lower loop that are connected to the rotor subject both sides, run through runner in addition and comprise: a plurality of first holes of passing this top ring and being communicated with this groove; And a plurality of second holes of passing this lower loop and being communicated with this groove.
9. device as claimed in claim 8, wherein when drive motor was operated, this rotor was by a plurality of flute profile polings.
10. device as claimed in claim 8, wherein this first hole is positioned at groove center.
11. device as claimed in claim 8, wherein this second hole comprises gas discharge hole that is positioned at this groove center and the oily discharge orifice that lays respectively at these groove two ends.
12. as the device of claim 11, wherein this gas discharge hole and first hole lay respectively on the same straight line.
13. as the device of claim 11, wherein oil separation plate is formed on the lower surface of lower loop, this lower loop is divided into gas discharge hole and oily discharge orifice, is used to stop gas and oil to mix.
14. as the device of claim 13, wherein this oil separation plate is the drum with predetermined length.
15. device as claimed in claim 7, wherein this runs through runner and comprises a plurality of oil separate chambers, and these separating vessels penetrate on the rotor length direction on the shaft insertion hole inner circumferential surface of rotor, and rotating shaft is press fit in this rotor shaft patchhole.
16. as the device of claim 15, wherein the cross section of this oil separate chamber forms in constant mode.
17. as the device of claim 15, wherein this oil separate chamber forms in this manner, promptly section area increases gradually, thereby outlet side is bigger than inlet side.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040080018A KR100608694B1 (en) | 2004-10-07 | 2004-10-07 | Apparatus for reducing oil discharge of high pressure scroll compressor |
| KR1020040080018 | 2004-10-07 | ||
| KR1020040091041 | 2004-11-09 | ||
| KR1020040091021 | 2004-11-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1757924A true CN1757924A (en) | 2006-04-12 |
| CN100523511C CN100523511C (en) | 2009-08-05 |
Family
ID=36703439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100548178A Expired - Fee Related CN100523511C (en) | 2004-10-07 | 2005-03-18 | Oil discharge reducing device for scroll compressor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100608694B1 (en) |
| CN (1) | CN100523511C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334036B (en) * | 2007-06-29 | 2010-10-13 | 上海汉钟精机股份有限公司 | Semi-closed screw type refrigerating compressor air guide sleeve |
| CN101216035B (en) * | 2008-01-04 | 2011-01-19 | 美的集团有限公司 | Scroll compressor and control method thereof |
| CN103666665A (en) * | 2012-09-24 | 2014-03-26 | Lg电子株式会社 | Surface treating agent for wear-resistance surface, manufacturing method thereof and compressor using the same |
| CN102203423B (en) * | 2008-10-30 | 2014-11-19 | 涡卷研究所有限公司 | Scroll-type fluid displacement apparatus with improved cooling system |
| CN104696225A (en) * | 2013-12-04 | 2015-06-10 | 三菱电机株式会社 | Scoroll compressor |
| WO2018130134A1 (en) * | 2017-01-10 | 2018-07-19 | 艾默生环境优化技术(苏州)有限公司 | Compressor |
| CN110319014A (en) * | 2019-03-20 | 2019-10-11 | 方淼洪 | Electronic automobile-used vortex compressor of air conditioner |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101682252B1 (en) * | 2010-12-06 | 2016-12-02 | 한온시스템 주식회사 | Electric motor-driven compressor |
| JP6735239B2 (en) * | 2017-01-24 | 2020-08-05 | 東芝キヤリア株式会社 | Hermetic compressor and refrigeration cycle device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597794A (en) | 1982-07-07 | 1984-01-14 | Hitachi Ltd | Closed type scroll compressor |
| JPS60228787A (en) | 1984-04-25 | 1985-11-14 | Daikin Ind Ltd | Scroll type hydraulic machine |
| JPS60243389A (en) | 1984-05-18 | 1985-12-03 | Hitachi Ltd | Closed type scroll compressor |
-
2004
- 2004-10-07 KR KR1020040080018A patent/KR100608694B1/en active IP Right Grant
-
2005
- 2005-03-18 CN CNB2005100548178A patent/CN100523511C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334036B (en) * | 2007-06-29 | 2010-10-13 | 上海汉钟精机股份有限公司 | Semi-closed screw type refrigerating compressor air guide sleeve |
| CN101216035B (en) * | 2008-01-04 | 2011-01-19 | 美的集团有限公司 | Scroll compressor and control method thereof |
| CN102203423B (en) * | 2008-10-30 | 2014-11-19 | 涡卷研究所有限公司 | Scroll-type fluid displacement apparatus with improved cooling system |
| CN103666665A (en) * | 2012-09-24 | 2014-03-26 | Lg电子株式会社 | Surface treating agent for wear-resistance surface, manufacturing method thereof and compressor using the same |
| CN103666665B (en) * | 2012-09-24 | 2016-03-16 | Lg电子株式会社 | For the surface treatment agent of wearing face and production method thereof and the compressor using this surface treatment agent |
| US9341185B2 (en) | 2012-09-24 | 2016-05-17 | Lg Electronics Inc. | Surface treating agent for wear-resistance surface, manufacturing method thereof and compressor using the same |
| CN104696225A (en) * | 2013-12-04 | 2015-06-10 | 三菱电机株式会社 | Scoroll compressor |
| WO2018130134A1 (en) * | 2017-01-10 | 2018-07-19 | 艾默生环境优化技术(苏州)有限公司 | Compressor |
| CN110319014A (en) * | 2019-03-20 | 2019-10-11 | 方淼洪 | Electronic automobile-used vortex compressor of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060031120A (en) | 2006-04-12 |
| CN100523511C (en) | 2009-08-05 |
| KR100608694B1 (en) | 2006-08-09 |
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