CN104696225A - Scoroll compressor - Google Patents
Scoroll compressor Download PDFInfo
- Publication number
- CN104696225A CN104696225A CN201410721295.1A CN201410721295A CN104696225A CN 104696225 A CN104696225 A CN 104696225A CN 201410721295 A CN201410721295 A CN 201410721295A CN 104696225 A CN104696225 A CN 104696225A
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- Prior art keywords
- scroll compressor
- motor
- cup
- counterweight
- machine oil
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Classifications
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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
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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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
-
- 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
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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
- F04C18/04—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 of internal-axis type
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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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/18—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
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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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
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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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
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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
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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
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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
- F04C2240/80—Other components
- F04C2240/807—Balance weight, counterweight
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A scroll compressor includes a hermetic container in which a refrigeration machine oil is stored in a bottom area, a compression mechanism that compresses a refrigerant which is suctioned into the hermetic container, an electric motor which has a motor rotor and a motor stator and is configured to drive the compression mechanism which is connected thereto via a shaft, a sub-frame that is fixed to the hermetic container and supports the shaft in a rotatable manner from a lower side of the electric motor, a balance weight that is disposed on a lower end face of the motor rotor, and a fixed cup that is disposed on an upper end of the sub-frame and surrounds the balance weight.
Description
Technical field
The present invention relates to the scroll compressor that the amount that flows out to outside seal container refrigerating machine oil suppresses.
Background technique
In the past, using the compression mechanical part driven by motor unit, in the scroll compressor that the refrigeration agent imported in seal container is compressed, the scroll compressor (for example, referring to patent documentation 1 and 2) that the amount that existence flows out to outside seal container refrigerating machine oil suppresses.
The scroll compressor that patent documentation 1 represents, at the in-built compression unit 2 in the bottom of vertical enclosed shell 1, the in-built motor 3 with live axle 4 on the top of this compression unit 2.Be provided with the bearing 15 of above-mentioned live axle 4 on the top of this motor, the bottom of above-mentioned live axle 4 is provided with oil feed pump 8.Be provided with and be communicated with this oil feed pump 8 and to the pressure fuel feeding path 18 of above-mentioned bearing 15 fuel feeding, and the outer circumferential face of the rotor 31 of said motor 3 is provided with spiral chute 19, this spiral chute 19 makes the oil being supplied to above-mentioned bearing 15 return oil downwards forcibly, thus special oil separator is not set, and can forcibly to bearing 15 fuel feeding on top, while make the oil after lubrication return oil to above-mentioned oil feed pump side.
In addition, the scroll compressor that patent documentation 2 represents, contain: portion of scroll compressor mechanism 11, it compresses refrigeration agent in the inside of shell 3; Drive motor 13, it is linked with live axle 15 by portion of scroll compressor mechanism 11 and drives this portion of scroll compressor mechanism 11, portion of scroll compressor mechanism 11 is supported on shell 3 by main frame 21, the live axle 15 of drive motor 13 is supported on shell 3 by shaft bearing plate 8, shaft bearing plate 8 has the opening portion 8E be communicated with in upper and lower space, between drive motor 13 and shaft bearing plate 8, have the lid 80 covered around live axle 15, lid 80 possesses multiple cover 80A, 80B of the size of the degree be divided into by opening portion 8E.
Patent documentation 1: Japanese Unexamined Patent Publication 5-302581 publication (for example, referring to Fig. 1)
Patent documentation 2: Japanese Unexamined Patent Publication 2013-47481 publication (for example, referring to Fig. 1)
But the existing scroll compressor shown in patent documentation 1 and 2, when operating beginning, causes the counterweight of the lower end of the rotor being arranged at motor to rotate because of the driving of motor.And, when refrigerating machine oil or refrigerating machine oil are in the lower end of motor unit or the position more top than the lower end of motor unit with the liquid level of the mixed solution of refrigeration agent, there is the situation of the mixed solution stirring refrigerating machine oil or refrigerating machine oil and refrigeration agent because of counterweight.There are the following problems for its result: refrigerating machine oil flows out and causes the reliability of bearing to reduce outside seal container, and then cause the oil mass in refrigerating circuit increase and cycle efficiency is reduced.
Summary of the invention
The present invention proposes to solve above such problem, object is to obtain when motoring, prevent the mixed solution stirring refrigerating machine oil or refrigerating machine oil and refrigeration agent, thus suppress refrigerating machine oil to flow out to the scroll compressor of the amount outside seal container.
Scroll compressor of the present invention possesses: seal container, bottom it, stockpiled refrigerating machine oil; Compression mechanical part, it compresses the refrigeration agent be drawn in described seal container; Motor, it is made up of motor rotor and motor stator, drives the described compression mechanical part linked via axle; Subframe, it is fixed on described seal container, and supports as rotatable from the downside of described motor by described axle; Counterweight, it is arranged at the lower end surface of described motor rotor; And fixing cup-shaped part, it is arranged at the upper end of described subframe, and surrounds described counterweight.
According to scroll compressor of the present invention, owing to being provided with fixing cup-shaped part in the upper end of the subframe being fixed on seal container, even if therefore when motoring, fixing cup-shaped part also non rotating.In addition, counterweight is surrounded by fixing cup-shaped part.Therefore, the stirring of the refrigerating machine oil caused by rotation of counterweight or the mixed solution of refrigerating machine oil and refrigeration agent can be prevented, thus the amount that refrigerating machine oil flows out outside seal container can be suppressed, improve the reliability of bearing thus, improve the cycle efficiency of refrigerating circuit further.
Accompanying drawing explanation
Fig. 1 is the longitudinal section of the scroll compressor of embodiments of the present invention 1.
Fig. 2 is the major component enlarged view of Fig. 1.
Fig. 3 is the sectional elevation of the guiding frame in the A-A section of Fig. 1.
Fig. 4 is the sectional elevation of the motor stator in the B-B section of Fig. 1.
Fig. 5 is the longitudinal section of the fixing cup-shaped part of embodiments of the present invention 3.
Fig. 6 A, Fig. 6 B are the sectional views of the through stream of the motor rotor representing embodiments of the present invention 5.
Fig. 7 is the figure of the relation of the longitudinal section area of the clearance space of the scroll compressor representing embodiments of the present invention 5 and the circulating load of refrigerating machine oil.
Description of reference numerals: 1... fixed scroll; 1a... (fixed scroll) platen portion; 1b... (fixed scroll) tabular scroll wrap; 1c... (fixed scroll) crosshead steering channel; 1d... exhaust port; 1e... suction port; 1f... pressing chamber; 2... scroll is swung; 2a... (swing scroll) platen portion; 2b... (swing scroll) tabular scroll wrap; 2c... (swing scroll) crosshead steering channel; 2d... boss part; 2e... oscillation bearing; 2f... thrust face; 2g... swings scroll bleeder hole; 2k... platen peripheral part space; 2n... boss part external diameter space; 3... flexible frame; 3a... thrust-bearing; 3b... slip surface; 3c... main bearing; 3d... auxiliary spindle holds; 3e... intercommunicating pore; 3f... intercommunicating pore; 3g... intermediate pressure regulating valve; 3h... intermediate pressure adjustment valve guard; 3k... intermediate pressure adjustment spring; 3n... intermediate pressure regulating valve space; 3p... (flexible frame) barrel surface; 3t... thrust-bearing opening portion; 4... guiding frame; 4a... framework upper space; 4b... framework lower space; 4c... (guiding frame) barrel surface; 4f... first incised notch portion; 4g... first drain passageway; 4h... opening portion; 5... motor; 5a... motor rotor; 5b... motor stator; 5c... stator coils of motor; The through stream of 5f...; 5g... second incised notch portion; 5h... wire; 6... main shaft; 6a... swing axis portion; 6b... main shaft part; 6c... countershaft portion; 6d... oil-feed port; 6f... principal axis balance counterweight; 7a... top annular seal; 7b... lower annular Sealing; 8... subframe; 8a... supplementary bearing; 9... crosshead mechanism; The fixing side switch of 9a... crosshead mechanism; The swing side switch of 9b... crosshead mechanism; 9c... crosshead mechanism annulus; 10... seal container; 10a... glass terminal; 11... oil storage portion; 12... discharge tube; 12a... (discharge tube) front end; 13... suction pipe; 14... compression mechanical part; 15... counterweight; The upper counterweight of 15a...; Counterweight under 15b...; 16... cover; 16a... second drain passageway; 16b... opening portion; 17... cup-shaped part is gone up; 18... cup-shaped part is fixed; 18a... cup part; 18b... base component; 18c... joining portion; 18d... clearance space; 18e... cup-shaped part inner space; 18f... cup-shaped part outer space; 100... scroll compressor.
Embodiment
Below, based on accompanying drawing, embodiments of the present invention are described.In addition, the present invention is not limited by the mode of execution of following explanation.Further, in figures in the following, there is the situation that the magnitude relationship of each component parts is different from reality.
Mode of execution 1
Fig. 1 is the longitudinal section of the scroll compressor 100 of embodiments of the present invention 1, and Fig. 2 is the major component enlarged view of Fig. 1.
The scroll compressor 100 of embodiments of the present invention 1, possesses in the inside of the seal container 10 of airtight dome-type: compression mechanical part 14, and it is made up of fixed scroll 1 and swing scroll 2, compresses refrigeration agent; Motor 5, it is made up of motor rotor 5a and motor stator 5b, drives the compression mechanical part 14 linked via main shaft 6.
Fixed scroll 1 is made up of platen portion 1a and tabular scroll wrap 1b, and its peripheral part is anchored on guiding frame 4 by bolt (not shown).The face (in Fig. 1 for downside) of a side of platen portion 1a is provided with tabular scroll wrap 1b, simultaneously at the peripheral part of fixed scroll 1 in mode roughly point-blank, be formed with two place crosshead steering channel 1c.In addition, the fixing side switch 9a of crosshead mechanism 9, is sticked in above-mentioned crosshead steering channel 1c in the mode back and forth slid freely.In addition, the exhaust port 1d discharged for refrigeration agent is formed at the central part of platen portion 1a.In addition, suction pipe 13 with through seal container 10 and make suction port 1e become inner side mode be pressed into fixed scroll 1.
Swing scroll 2 to be made up of platen portion 2a and tabular scroll wrap 2b.Tabular scroll wrap 2b is formed in the face (being upside in Fig. 1) of a side of platen portion 2a, this tabular scroll wrap 2b is shape identical in fact with the tabular scroll wrap 1b of fixed scroll 1, and the tabular scroll wrap 1b of fixed scroll 1 is geometrically forming pressing chamber 1f with the tabular scroll wrap 2b swinging scroll 2.And, be inhaled into the refrigeration agent in seal container 10, compressed along with the volume-variation of this pressing chamber 1f.In addition, (is downside in Fig. 1 at platen portion 2a with the face of the face opposition side being provided with tabular scroll wrap 2b, hereinafter referred to as lower surface), heart portion is provided with the boss part 2d of hollow cylinder wherein, and the swing axis portion 6a of the upper end portion of main shaft 6 supports as rotatable by boss part 2d.In addition, platen portion 2a lower surface and in the position than boss part 2d outer circumferential side side, be formed with thrust face 2f, this thrust face 2f can crimp with the thrust-bearing 3a of flexible frame 3 and slide.
At the peripheral part of the platen portion 2a of swing scroll 2, be formed with two place crosshead steering channel 2c roughly point-blank, this two place crosshead steering channel 2c has the phase difference becoming 90 degree with the crosshead steering channel 1c of fixed scroll 1, and the swing side switch 9b of crosshead mechanism 9 reciprocatingly slides and is sticked in above-mentioned crosshead steering channel 2c freely.In addition, be formed swing scroll bleeder hole 2g through for pressing chamber 1f and thrust face 2f at platen portion 2a, swing scroll bleeder hole 2g and be formed as the refrigerant gas of compression midway being extracted out and the structure guided to thrust face 2f.
By barrel surface 4c, the 4d of inner peripheral portion being arranged at guiding frame 4, radially two barrel surface 3p, the 3s up and down that are arranged at its peripheral part of flexible frame 3 are supported, and be formed with main bearing 3c and auxiliary spindle holds 3d at the central part of flexible frame 3, this main bearing 3c and auxiliary spindle hold 3d and radially support the main shaft 6 by motor 5 rotary actuation.In addition, be formed towards axially through intercommunicating pore 3e in thrust-bearing 3a face, and in the position with swing scroll bleeder hole 2g opposite, be formed with the opening portion 3t of thrust-bearing 3a.
In addition, in the outside of the thrust-bearing 3a of flexible frame 3, be formed and reciprocatingly slide the slip surface 3b of movement for crosshead mechanism annulus 9c, and the intercommunicating pore 3f that platen peripheral part space 2k is communicated with framework upper space 4a is formed as: be communicated with the inner side of crosshead mechanism annulus 9c.In addition, be provided with intermediate pressure regulating valve 3g and intermediate pressure adjustment valve guard 3h that the pressure of boss part external diameter space 2n is adjusted at flexible frame 3, and be formed with the intermediate pressure regulating valve space 3n for receiving intermediate pressure adjustment spring 3k.And intermediate pressure adjustment spring 3k is to be contained than the naturally long mode shortened.
Fig. 3 is the sectional elevation of the guiding frame 4 in the A-A section of Fig. 1.
As shown in Figure 3, the outer circumferential face of guiding frame 4 is fixedly installed in seal container 10 by shrink fit or welding etc., be formed with the first incised notch portion 4f at the peripheral part of this guiding frame 4, this first incised notch portion 4f is as the path of the mixed gas of refrigeration agent and refrigerating machine oil.In addition, as shown in Figure 1, the first incised notch portion 4f is formed in the position contrary with discharge tube 12.In addition, be provided with and be communicated to the first drain passageway 4g of side, the through seal container 10 of discharge tube 12 from guiding frame 4 lower end central authorities, and being set to front end 12a, to be accommodated in the first drain passageway 4g inner.Have opening portion 4h in the face (being downside in Fig. 1) of a side of guiding frame 4, and be provided with lid 16, this lid 16 forms the second drain passageway 16a and opening portion 16b that are communicated with the first drain passageway 4g.
The framework lower space 4b formed by the inner side surface of guiding frame 4 and the outer side surface of flexible frame 3, it is separated by top annular seal 7a and lower annular Sealing 7b up and down.In addition, guiding frame 4 inner peripheral surface and be formed with the seal groove of ring-type at Liang Chu, sealing groove storage top annular seal 7a and lower annular Sealing 7b, but sealing groove also can be formed at the outer circumferential face of flexible frame 3.Framework lower space 4b is only communicated with the intercommunicating pore 3e of flexible frame 3, thus becomes the structure of being enclosed by the refrigerant gas from the compression midway swinging scroll bleeder hole 2g supply.In addition, by space, i.e. the platen peripheral part space 2k of the outer circumferential side of thrust-bearing 3a that swing the platen portion 2a of scroll 2 and flexible frame 3 and will surround up and down, the low-voltage space of suction gas environment (suction pressure) is become.
Motor rotor 5a is configured at the inner side of motor stator 5b, and is axially formed with through stream 5f in inside.Motor stator 5b is configured at the outside of motor rotor 5a, is wound with stator coils of motor 5c at motor stator 5b.Be fixed with the main shaft part 6b of main shaft 6 in the inner side of motor rotor 5a, because motor rotor 5a rotates, thus main shaft 6 also rotates, and to compression mechanical part 14 transmission of drive force linked via main shaft 6.In addition, be formed with the second incised notch portion 5g between the peripheral part and seal container 10 of motor stator 5b, this second incised notch portion 5g becomes the path of the mixed gas of refrigeration agent and refrigerating machine oil.
Be formed with swing axis portion 6a in the upper end portion of main shaft 6, swing axis portion 6a is rotatably freely supported on the oscillation bearing 2e swinging scroll 2, has principal axis balance counterweight 6f in the downside shrink fit of main shaft 6.In addition, be thereunder formed with main shaft part 6b, this main shaft part 6b is rotatably freely supported on the main bearing 3c of flexible frame 3 and auxiliary spindle holds 3d.In addition, the downside of main shaft 6 is formed with countershaft portion 6c, and this countershaft portion 6c is rotatably freely supported on the supplementary bearing 8a of the subframe 8 arranged in the downside of motor 5, and the outer circumferential face of this subframe 8 is fixedly installed in seal container 10 by shrink fit or welding etc.In addition, between countershaft portion 6c and above-mentioned main shaft part 6b, shrink fit has motor rotor 5a.And, stockpile refrigerating machine oil in the oil storage portion 11 of the bottom of seal container 10, utilized the oil feeding mechanism being arranged at main shaft 6, from the oil-feed port 6d of the lower end surface being formed at main shaft 6, refrigerating machine oil is drunk up.
Be fixed with counterweight 15a in the upper-end surface of motor rotor 5a, be fixed with lower counterweight 15b in lower end surface, utilize the counterweight at total three positions ordinatedly with above-mentioned principal axis balance counterweight 6f, obtain static balancing and dynamic balancing.That is, utilize these counterweights, obtain balance when motor 5 stops, and the imbalance of the centrifugal wind tunnel produced by compression mechanical part 14 when motor 5 drives is cancelled out each other, thus average out.In addition, to surround the mode of upper counterweight 15a, the upper end of motor rotor 5a is provided with cup-shaped part 17, and to surround the mode of lower counterweight 15b, the upper end of subframe 8 is provided with fixing cup-shaped part 18.And fixing cup-shaped part 18 is formed as following structure: in the space from the upper end of subframe 8 to lower counterweight 15b, the cup-shaped part outer space 18f of the cup-shaped part inner space 18e of counterweight 15b under interior bag (being formed at the inner side of fixing cup-shaped part 18) and the lower counterweight 15b (being formed at the outside of fixing cup-shaped part 18) of not interior bag is separated.In addition, as shown in Figure 2, between the upper end and the lower end of motor rotor 5a of fixing cup-shaped part 18, clearance space 18d is formed with.
Fig. 4 is the sectional elevation of the motor stator 5b in the B-B section of Fig. 1.
As shown in Figure 4, the outer circumferential face of motor stator 5b is fixedly installed in seal container 10 by shrink fit or welding etc., and its peripheral part is provided with the second incised notch portion 5g, and this second incised notch portion 5g becomes the path of the mixed gas of refrigeration agent and refrigerating machine oil.In addition, as shown in Figure 1, be provided with glass terminal 10a in the side of seal container 10, engage for the wire 5h from motor stator 5b.
Next, action when operating to the scroll compressor 100 of mode of execution 1 is described.
When scroll compressor 100 starts and when operating, suck refrigeration agent and be inhaled into from suction pipe 13, and enter the pressing chamber 1f formed with the tabular scroll wrap 2b swinging scroll 2 by the tabular scroll wrap 1b of fixed scroll 1.The swing scroll 2 driven by motor 5, makes the volume reducing of pressing chamber 1f with eccentric rotational motion.Suck refrigeration agent and become high pressure by above-mentioned compression stroke.In addition, in above-mentioned compression stroke, the refrigerant gas of the intermediate pressure of compression midway, from the swing scroll bleeder hole 2g swinging scroll 2, via the intercommunicating pore 3e of flexible frame 3, be directed to framework lower space 4b, thus maintain the intermediate pressure environment of this framework lower space 4b.
Via above-mentioned compression stroke, suck from the suction port 1e of fixed scroll 1 and the mixed gas of the refrigeration agent of discharging from exhaust port 1d and refrigerating machine oil, by being formed at the first incised notch portion 4f of the peripheral part of guiding frame 4 and being formed at the second incised notch portion 5g of peripheral part of motor stator 5b, be directed into the bottom surface of seal container 10.The mixed gas of refrigeration agent and refrigerating machine oil, separated in the process of bottom surface being directed into seal container 10.Refrigerant gas after separation, via the through stream 5f of the clearance space 18d between the upper end of fixing cup-shaped part 18 and the lower end of motor rotor 5a and motor rotor 5a by discharge tube 12, thus discharges outside seal container 10.
Next, state when stopping the scroll compressor 100 of mode of execution 1 is described.
When scroll compressor 100 stops, when the temperature of scroll compressor 100 is lower, refrigerant liquefaction in refrigerating circuit and flow into scroll compressor 100, and becoming the mixed solution mixed with refrigerating machine oil, the liquid level arrival of mixed solution is wound in the lower end of the stator coils of motor 5c of motor stator 5b or arrives the position more top than the lower end of this stator coils of motor 5c.
Next, the action that the scroll compressor 100 of mode of execution 1 operates when starting is described.
Owing to being provided with fixing cup-shaped part 18 in the upper end of subframe 8, even if so when motor 5 drives, fixing cup-shaped part 18 also non rotating.In addition, lower counterweight 15b is surrounded by fixing cup-shaped part 18.Therefore, it is possible to prevent the stirring of the refrigerating machine oil caused by rotation of lower counterweight 15b or the mixed solution of refrigerating machine oil and refrigeration agent, thus the amount that refrigerating machine oil flows out outside seal container can be suppressed, improve the reliability of whole bearing (oscillation bearing 2e, thrust-bearing 3a, main bearing 3c, auxiliary spindle hold 3d, supplementary bearing 8a) thus, improve the cycle efficiency of refrigerating circuit further.
In addition, there is the refrigerating machine oil having intermiscibility or non-compatibility property with refrigeration agent in refrigerating machine oil, in the refrigerating machine oil of intermiscibility, when scroll compressor 100 stops, be discharged into refrigerating machine oil in refrigerating circuit together with the refrigeration agent flowed in refrigerating circuit, also turn back in scroll compressor 100, thus the liquid level of mixed solution is higher than non-compatibility refrigerator oil condition.Therefore, under the refrigerator oil condition using intermiscibility, fixing cup-shaped part 18 is more effective.
Mode of execution 2
Next, the scroll compressor of mode of execution 2 is described.In mode of execution 2, in scroll compressor, the liquid level of refrigerating machine oil is sealing into the position more top than the lower end of the stator coils of motor 5c being wound in motor stator 5b.
In addition, the structure common with mode of execution 1 and the explanation of action is below omitted.
When scroll compressor being equipped on the air conditioner or refrigerator with large-scale refrigerating circuit, in order to ensure the reliability of scroll compressor, match with the increase of the volume of the cooling medium in refrigerating circuit, the refrigerating machine oil being sealing into scroll compressor is increased, and the liquid level of refrigerating machine oil is sealing into the position more top than the lower end of motor 5.
As mentioned above, even if under the state that the liquid level of refrigerating machine oil is sealing into the position more top than the lower end of motor 5, because lower counterweight 15b is surrounded by the fixing cup-shaped part 18 arranged in the upper end of subframe 8, so the refrigerating machine oil caused by the rotation of lower counterweight 15b can be prevented, or the stirring of the mixed solution of refrigerating machine oil and refrigeration agent, thus the amount that refrigerating machine oil flows out outside seal container can be suppressed, even if in the air conditioner with large-scale refrigerating circuit or refrigerator, also the reliability of whole bearing can be improved, the cycle efficiency of further raising refrigerating circuit.
Mode of execution 3
Next, the scroll compressor of mode of execution 3 is described.In mode of execution 3, in scroll compressor, fixing cup-shaped part 18 becomes the structure formed by two parts.
In addition, the explanation with mode of execution 1 or the common structure of mode of execution 2 and action is below omitted.
Fig. 5 is the longitudinal section of the fixing cup-shaped part 18 of embodiments of the present invention 3.
As shown in Figure 5, fixing cup-shaped part 18 is made up of base component 18b and cup part 18a, and cup part 18a is engaged with base component 18b by its joining portion 18c, and wherein said base parts 18b is used for being fixed on subframe 8, above-mentioned cup part 18a surrounds lower counterweight 15b.
Above, because fixing cup-shaped part 18 is formed by these two parts of base component 18b and cup part 18a, so base component 18b can be made to have thickness and keep constant intensity, in addition, in order to reduce material cost, cup part 18a can be formed as thinner.
Mode of execution 4
Next, the scroll compressor of mode of execution 4 is described.In mode of execution 4, in scroll compressor, base component 18b engages by welding with cup part 18a.
In addition, the structure common with any one in mode of execution 1 ~ 3 and the explanation of action is below omitted.
In Figure 5, cup part 18a is engaged in base component 18b by welding at its joining portion 18c.
As mentioned above, because base component 18b is engaged with cup part 18a by welding by fixing cup-shaped part 18, so the pressure difference because of cup-shaped part inner space 18e and cup-shaped part outer space 18f can be prevented, and cup part 18a is departed from from base component 18b.
Mode of execution 5
Next, the scroll compressor of mode of execution 5 is described.In mode of execution 5, in scroll compressor, the size between regulation motor rotor 5a and fixing cup-shaped part 18.
In addition, the explanation with common structure any one of mode of execution 1 ~ 4 and action is below omitted.
Fig. 6 A represents the longitudinal section of the motor rotor 5a of embodiments of the present invention 5, and Fig. 6 B represents the sectional elevation of motor rotor 5a.
In the scroll compressor of embodiments of the present invention 5, the longitudinal section area of the clearance space 18d between the upper end of the fixing cup-shaped part 18 represented to make Fig. 2 and the lower end of motor rotor 5a, be greater than the mode of the longitudinal section area of the through stream 5f of the motor rotor 5a that Fig. 6 A, Fig. 6 B and Fig. 7 represent, the size of the fixing cup-shaped part 18 of regulation.
Fig. 7 is the longitudinal section area of the clearance space of the scroll compressor representing embodiments of the present invention 5, the figure with the relation of the circulating load of refrigerating machine oil.In addition, in Fig. 7, transverse axis is the longitudinal section area of clearance space 18d, the circulating load of the refrigerating machine oil when longitudinal axis is scroll compressor running in refrigerating circuit.In addition, dotted line represents the position of the longitudinal section area of the through stream 5f of the motor rotor 5a in Fig. 7.
As shown in Figure 7, if the longitudinal section area of clearance space 18d, be greater than the longitudinal section area of the through stream 5f of motor rotor 5a, then during scroll compressor running, the circulating load of refrigerating machine oil reduces.According to this relation, in the mode making the longitudinal section area of clearance space 18d be greater than the longitudinal section area of the through stream 5f of motor rotor 5a, the height dimension of the fixing cup-shaped part 18 of regulation or diameter dimension, thus the amount of the refrigerating machine oil discharged in refrigerating circuit from scroll compressor during running can be reduced.Therefore improve the reliability of whole bearing, improve the cycle efficiency of refrigerating circuit further.
Claims (6)
1. a scroll compressor, is characterized in that, possesses:
Seal container, has stockpiled refrigerating machine oil bottom it;
Compression mechanical part, it compresses the refrigeration agent be drawn in described seal container;
Motor, it is made up of motor rotor and motor stator, drives the described compression mechanical part linked via axle;
Subframe, it is fixed on described seal container, and supports as rotatable from the downside of described motor by described axle;
Counterweight, it is arranged at the lower end surface of described motor rotor; And
Fixing cup-shaped part, it is arranged at the upper end of described subframe, and surrounds described counterweight.
2. scroll compressor according to claim 1, is characterized in that,
Described fixing cup-shaped part in the space of the upper end from described subframe to described counterweight, by the inner space of described for interior bag counterweight, with in wrap described counterweight outer space separate.
3. scroll compressor according to claim 1 and 2, is characterized in that,
The liquid level of described refrigerating machine oil is sealing into the position more top than the lower end of described motor.
4. scroll compressor according to claim 1 and 2, is characterized in that,
Described fixing cup-shaped part is by engaging base component with cup part and forming.Described base component is used for being fixed on described subframe, and described cup part surrounds described counterweight.
5. scroll compressor according to claim 4, is characterized in that,
Described base component engages by welding with described cup part.
6. scroll compressor according to claim 1 and 2, is characterized in that,
Described motor rotor is axially formed with through stream therein,
Be formed at the longitudinal section area of the clearance space between the upper end of described fixing cup-shaped part and the lower end of described motor rotor, be greater than the longitudinal section area of described through stream.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013251309A JP5984787B2 (en) | 2013-12-04 | 2013-12-04 | Scroll compressor |
| JP2013-251309 | 2013-12-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104696225A true CN104696225A (en) | 2015-06-10 |
| CN104696225B CN104696225B (en) | 2017-08-08 |
Family
ID=53163861
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410721295.1A Active CN104696225B (en) | 2013-12-04 | 2014-12-02 | Scroll compressor |
| CN201420746327.9U Active CN204327493U (en) | 2013-12-04 | 2014-12-02 | Scroll compressor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746327.9U Active CN204327493U (en) | 2013-12-04 | 2014-12-02 | Scroll compressor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150152864A1 (en) |
| JP (1) | JP5984787B2 (en) |
| KR (1) | KR101658711B1 (en) |
| CN (2) | CN104696225B (en) |
| TW (2) | TWI575160B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968948A (en) * | 2017-04-28 | 2017-07-21 | 上海海立新能源技术有限公司 | A kind of compressor |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5984787B2 (en) * | 2013-12-04 | 2016-09-06 | 三菱電機株式会社 | Scroll compressor |
| JP2017089427A (en) * | 2015-11-05 | 2017-05-25 | 三菱重工業株式会社 | Scroll compressor, and method of manufacturing scroll compressor |
| JP6858606B2 (en) * | 2017-03-21 | 2021-04-14 | 日立ジョンソンコントロールズ空調株式会社 | Sealed electric compressor |
| KR101983052B1 (en) * | 2018-01-04 | 2019-05-29 | 엘지전자 주식회사 | Motor operated compressor |
| WO2020067739A1 (en) * | 2018-09-28 | 2020-04-02 | Samsung Electronics Co., Ltd. | Scroll compressor |
| JP7226194B2 (en) * | 2019-08-30 | 2023-02-21 | 株式会社豊田自動織機 | electric compressor |
| FR3102812B1 (en) | 2019-11-06 | 2021-11-19 | Danfoss Commercial Compressors | Scroll compressor with a force-mounted motor and a vertically central suction inlet |
| CN116838604A (en) | 2022-03-23 | 2023-10-03 | 日立江森自控空调有限公司 | compressor |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59176494A (en) * | 1983-03-26 | 1984-10-05 | Mitsubishi Electric Corp | Scroll compressor |
| JPS6238884A (en) * | 1985-08-10 | 1987-02-19 | Hitachi Ltd | Enclosed type compressor |
| CN1160127A (en) * | 1995-12-11 | 1997-09-24 | 运载器有限公司 | Counterweight drag eliminator |
| CN1246583A (en) * | 1998-09-03 | 2000-03-08 | 株式会社日立制作所 | Sealed compressor driven by motor |
| JP2002031070A (en) * | 2000-07-19 | 2002-01-31 | Fujitsu General Ltd | Scroll compressor |
| DE3745098B4 (en) * | 1986-08-22 | 2004-02-19 | Copeland Corp., Sidney | Spiral type compressor |
| CN1752451A (en) * | 2004-09-24 | 2006-03-29 | 乐金电子(天津)电器有限公司 | Device for preventing vortex compressor lubricating oil from bubbling |
| CN1757924A (en) * | 2004-10-07 | 2006-04-12 | Lg电子株式会社 | Oil discharge reducing device for scroll compressor |
| CN1896538A (en) * | 2005-07-14 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Agitation-loss decreasing structure of vortex compressor |
| US20080069714A1 (en) * | 2006-09-14 | 2008-03-20 | Bonifas Mark A | Compressor having counter-weight cup |
| CN204327493U (en) * | 2013-12-04 | 2015-05-13 | 三菱电机株式会社 | Scroll compressor |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4877382A (en) * | 1986-08-22 | 1989-10-31 | Copeland Corporation | Scroll-type machine with axially compliant mounting |
| US4895496A (en) * | 1988-06-08 | 1990-01-23 | Copeland Corporation | Refrigeration compressor |
| JPH05302581A (en) | 1992-04-24 | 1993-11-16 | Daikin Ind Ltd | Vertical type compressor |
| JP4164917B2 (en) * | 1998-10-27 | 2008-10-15 | ダイキン工業株式会社 | High pressure dome compressor |
| US6585496B1 (en) * | 2002-01-24 | 2003-07-01 | Scroll Technologies | Self-regulating oil reservoir for scroll compressor |
| JP2005113750A (en) * | 2003-10-07 | 2005-04-28 | Hitachi Ltd | Scroll fluid machine |
| TWI353418B (en) * | 2007-12-25 | 2011-12-01 | Ind Tech Res Inst | Scroll compressor |
| KR101141427B1 (en) | 2009-04-27 | 2012-05-07 | 엘지전자 주식회사 | Scroll compressor |
| US8087538B2 (en) * | 2009-09-04 | 2012-01-03 | ThermoServ Ltd. | Apparatus, system, and method for providing a securing mechanism for a vessel |
| JP5427892B2 (en) * | 2009-09-18 | 2014-02-26 | 三菱重工業株式会社 | Multistage compressor |
| CN102575676B (en) * | 2009-10-14 | 2015-04-22 | 松下电器产业株式会社 | Compressor |
| JP2012202208A (en) | 2011-03-23 | 2012-10-22 | Daikin Industries Ltd | Compressor |
| JP2012202214A (en) * | 2011-03-23 | 2012-10-22 | Daikin Industries Ltd | Compressor |
| US20120282409A1 (en) * | 2011-05-03 | 2012-11-08 | Emerson Climate Technologies, Inc. | Recycled nylon materials for use in refrigeration systems |
| JP5914805B2 (en) | 2011-08-29 | 2016-05-11 | パナソニックＩｐマネジメント株式会社 | Scroll compressor |
-
2013
- 2013-12-04 JP JP2013251309A patent/JP5984787B2/en not_active Expired - Fee Related
-
2014
- 2014-10-29 US US14/527,071 patent/US20150152864A1/en not_active Abandoned
- 2014-10-31 TW TW103137749A patent/TWI575160B/en active
- 2014-10-31 TW TW105142644A patent/TWI637111B/en active
- 2014-12-02 KR KR1020140170522A patent/KR101658711B1/en active IP Right Grant
- 2014-12-02 CN CN201410721295.1A patent/CN104696225B/en active Active
- 2014-12-02 CN CN201420746327.9U patent/CN204327493U/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59176494A (en) * | 1983-03-26 | 1984-10-05 | Mitsubishi Electric Corp | Scroll compressor |
| JPS6238884A (en) * | 1985-08-10 | 1987-02-19 | Hitachi Ltd | Enclosed type compressor |
| DE3745098B4 (en) * | 1986-08-22 | 2004-02-19 | Copeland Corp., Sidney | Spiral type compressor |
| CN1160127A (en) * | 1995-12-11 | 1997-09-24 | 运载器有限公司 | Counterweight drag eliminator |
| CN1246583A (en) * | 1998-09-03 | 2000-03-08 | 株式会社日立制作所 | Sealed compressor driven by motor |
| JP2002031070A (en) * | 2000-07-19 | 2002-01-31 | Fujitsu General Ltd | Scroll compressor |
| CN1752451A (en) * | 2004-09-24 | 2006-03-29 | 乐金电子(天津)电器有限公司 | Device for preventing vortex compressor lubricating oil from bubbling |
| CN1757924A (en) * | 2004-10-07 | 2006-04-12 | Lg电子株式会社 | Oil discharge reducing device for scroll compressor |
| CN1896538A (en) * | 2005-07-14 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Agitation-loss decreasing structure of vortex compressor |
| US20080069714A1 (en) * | 2006-09-14 | 2008-03-20 | Bonifas Mark A | Compressor having counter-weight cup |
| CN204327493U (en) * | 2013-12-04 | 2015-05-13 | 三菱电机株式会社 | Scroll compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968948A (en) * | 2017-04-28 | 2017-07-21 | 上海海立新能源技术有限公司 | A kind of compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150152864A1 (en) | 2015-06-04 |
| CN204327493U (en) | 2015-05-13 |
| TWI575160B (en) | 2017-03-21 |
| TW201713855A (en) | 2017-04-16 |
| JP2015108334A (en) | 2015-06-11 |
| JP5984787B2 (en) | 2016-09-06 |
| TWI637111B (en) | 2018-10-01 |
| KR20150065148A (en) | 2015-06-12 |
| KR101658711B1 (en) | 2016-09-21 |
| CN104696225B (en) | 2017-08-08 |
| TW201540956A (en) | 2015-11-01 |
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