CN103429898A - Scroll compression device and assembling method for scroll compression device - Google Patents
Scroll compression device and assembling method for scroll compression device Download PDFInfo
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- CN103429898A CN103429898A CN2011800692878A CN201180069287A CN103429898A CN 103429898 A CN103429898 A CN 103429898A CN 2011800692878 A CN2011800692878 A CN 2011800692878A CN 201180069287 A CN201180069287 A CN 201180069287A CN 103429898 A CN103429898 A CN 103429898A
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- scroll compression
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- 230000006835 compression Effects 0.000 title claims abstract description 136
- 238000007906 compression Methods 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000005415 magnetization Effects 0.000 claims abstract description 60
- 238000004804 winding Methods 0.000 claims description 27
- 238000005057 refrigeration Methods 0.000 claims description 23
- 230000005389 magnetism Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 36
- 239000003795 chemical substances by application Substances 0.000 description 18
- 239000000446 fuel Substances 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 14
- 239000003507 refrigerant Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000004308 accommodation Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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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
- 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
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- 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
-
- 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
-
- 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
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
- F04C2230/603—Centering; Aligning
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/12—Magnetic properties
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49236—Fluid pump or compressor making
- Y10T29/4924—Scroll or peristaltic type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Provided are: a scroll compression device configured so that the magnetization of the rotor and the centering of the stationary scroll are facilitated; and an assembling method for a scroll compression device. An assembling method for a scroll compression device (1) comprising, within a casing (3); a scroll compression mechanism (11) having a stationary scroll (23) and an orbiting scroll (25); and a drive motor (13) connected to the scroll compression mechanism (11) by a drive shaft (15) and driving the scroll compression mechanism (11). The scroll compression mechanism (11) is supported in the casing (3) by a main frame (21), the rotor (39) of the drive motor (13) is magnetized, and after the magnetization of the rotor (39), compression gas, which can operate the orbiting scroll (25) in an orbiting manner against the magnetic force of the magnetized magnetism, is caused to act on the discharge side of the scroll compression mechanism (11), thereby operating the orbiting scroll (25) in an orbiting manner and centering the orbiting scroll (25) and the stationary scroll (23), and then the stationary scroll (23) is positioned at the main frame (21).
Description
Technical field
The present invention relates to the scroll compression device that compressed by fixed scroll and the engagement that swings scroll and the assembling method of scroll compression device.
Background technique
In the past, known have a kind of scroll compression device, it comprises in airtight casing: the compressing mechanism consisted of the fixed scroll with intermeshing Vorticose scrollwork and swing scroll, by this compressing mechanism of drive motor, make to swing that scroll is carried out circular movement with respect to fixed scroll and can rotation, compressed thus.In this scroll compression device, the assembly precision under the state that makes fixed scroll and the engagement of swing scroll produces a very large impact compression performance and durability.Therefore, known have a kind of following method: for the gap that makes fixed scroll and swing between the scrollwork of scroll dwindles and homogenization, and when making to swing scroll and carry out wobbling action with respect to fixed scroll, then be fixed the centering (for example, with reference to patent documentation 1) of scroll.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2005-188519 communique
Summary of the invention
The problem to be solved in the present invention
Yet, for the rotor of drive motor, make circulation in the staor winding of stator electric current be arranged and magnetize it is applied to magnetic by winding, or use outside magnetizing assembly, by external magnetisation, it is applied to magnetic, thereby make its magnetization.When the centering that is fixed scroll, discharge side inflow pressurized gas from compressing mechanism, although carry out wobbling action because the pressure of this pressurized gas makes to swing scroll, but in the situation that rotor is magnetized, the magnetic force of rotor makes the swing scroll can not easily carry out wobbling action, thereby has the such problem of Efficiency Decreasing of the centering operation of fixed scroll.
The objective of the invention is to eliminate the problem that above-mentioned prior art has, and scroll compression device, and the assembling method of scroll compression device of the centering of the magnetization that can easily carry out rotor and fixed scroll are provided.
For the technological means of dealing with problems
To achieve these goals, the present invention is a kind of assembling method of scroll compression device, and described scroll compression device comprises in the inside of casing: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent, and by live axle, with described scroll compression body, be connected and drive this scroll compression body by the d.c. motor of VFC, the assembling method of described scroll compression device is characterised in that, described scroll compression body is supported by described casing by main frame, make the rotor magnetization of described d.c. motor, and after the magnetization of described rotor, allow to overcome the magnetic force after magnetization and make described swing scroll carry out the pressurized gas of wobbling action, act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame.
In the present invention, allow to overcome the magnetic force of the rotor after magnetization and make to swing the discharge side that scroll is carried out the pressurized gas of wobbling action, acted on scroll compression body, carry out wobbling action owing to can making to swing scroll, be fixed the centering of scroll, and fixed scroll is positioned on main frame, therefore, even rotor is magnetized, identical in the time of also can be with the state that is not magnetized with rotor, pressure by pressurized gas makes to swing scroll and carries out wobbling action, thus assembling fixed scroll and swing scroll.
In this structure, described rotor also can repeat following operation and be magnetized: make after described live axle rotation predetermined angular to stop, and the winding of described d.c. motor is applied to voltage, again make to stop after described live axle rotation predetermined angular, and apply described voltage.In addition, also can, at described rotor assembling before described d.c. motor, make described rotor magnetization.
In addition, to achieve these goals, the present invention is a kind of assembling method of scroll compression device, and described scroll compression device comprises in the inside of casing: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent, and by live axle, with described scroll compression body, be connected and drive this scroll compression body by the d.c. motor of VFC, the assembling method of described scroll compression device is characterised in that, described scroll compression body is supported by described casing by main frame, make pressurized gas act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame, and, repeat following operation and described rotor is magnetized: making after described live axle rotation predetermined angular to stop, and the winding of described d.c. motor is applied to voltage, again make to stop after described live axle rotation predetermined angular, and apply described voltage.
In the present invention, because making to swing scroll, the discharge side that makes pressurized gas act on scroll compression body carries out wobbling action, be fixed the centering of scroll, and after fixed scroll is positioned to main frame, can make the rotor magnetization, therefore, when the centering that is fixed scroll, can make to swing that scroll is carried out wobbling action and the impact that can not be subject to the magnetic force of rotor, thereby and can make to swing scroll by the pressure of pressurized gas and carry out the centering that wobbling action is fixed scroll.
In addition, to achieve these goals, the present invention is a kind of scroll compression device, and its inside at casing comprises: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent, and by live axle, with described scroll compression body, be connected and drive this scroll compression body by the d.c. motor of VFC, described scroll compression device is characterised in that, described scroll compression body is supported by described casing by main frame, make the rotor magnetization of described d.c. motor, and, after the magnetization of described rotor, allow to overcome the magnetic force after magnetization and make described swing scroll carry out the pressurized gas of wobbling action, act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, thereby described fixed scroll is positioned on described main frame and completes assembling.
In addition, to achieve these goals, the present invention is a kind of scroll compression device, and its inside at casing comprises: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent, and by live axle, with described scroll compression body, be connected and drive this scroll compression body by the d.c. motor of VFC, described scroll compression device is characterised in that, described scroll compression body is supported by described casing by main frame, make pressurized gas act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame, and, thereby repeating following operation is magnetized and is completed assembling described rotor: make to stop after described live axle rotation predetermined angular, and the winding of described d.c. motor is applied to voltage, again make to stop after described live axle rotation predetermined angular, and apply described voltage.The invention effect
According to the present invention, even rotor is magnetized, also because the magnetic force that allows to overcome the rotor after magnetization makes to swing the pressurized gas that scroll is carried out wobbling action, act on the discharge side of scroll compression body, make thus to swing scroll and carry out wobbling action, be fixed the centering of scroll, and fixed scroll is positioned on main frame, therefore, even rotor is magnetized, also can be identical with situation about not being magnetized with rotor, thereby the pressure by pressurized gas makes to swing scroll and carries out the centering that wobbling action is fixed scroll, even first carry out any in the centering of the magnetization of rotor or fixed scroll, also can carry out the magnetization of rotor and the centering of fixed scroll.
The accompanying drawing explanation
Fig. 1 is the sectional view of having applied the related scroll compression device of embodiments of the present invention.
Fig. 2 is the sectional view that the scroll compression device of the state that is fixed scroll centering is shown.
Embodiment
The<the first mode of execution>
Below, based on accompanying drawing, an embodiment of the invention are described.
In Fig. 1,1 means the scroll compression device in internal high pressure, and this compressor 1 is connected to the outer refrigerant circuit of figure that makes refrigerant circulation carry out refrigeration cycle running action, and for compressed refrigerant.This compressor 1 has: the casing 3 of lengthwise airtight dome cylindraceous.
This casing 3 is to be configured to pressurized container by chassis body 5, bowl-shape upper cover 7 and bowl-shape lower cover 9, and this chassis body 5 is the main parts cylindraceous with the axis extended along the vertical direction; This bowl-shape upper cover 7 is welded airtightly and is bonded on integratedly the upper end portion of chassis body 5, and has the convex surface projected upwards; This bowl-shape lower cover 9 is welded airtightly and is bonded on integratedly the underpart of chassis body 5, and has outstanding convex surface downwards.The inside of this casing 3 is cavitys.Be provided with end cap 52 on the outer circumferential face of casing 3, in the inside of this end cap 52, have to the power supply feeding terminal 53 of stator 37 supply powers described later.
In the inside of casing 3, contain for the scroll compression body 11 of compressed refrigerant and be configured in the drive motor 13 of the below of this scroll compression body 11.These scroll compression bodies 11 are connected by live axle 15 with drive motor 13, and this live axle 15 is configured in casing 3 in the mode of extending along the vertical direction.In addition, be formed with clearance space 17 between these scroll compression bodies 11 and drive motor 13.
Take in main frame 21 in the inner and upper of casing 3, in the central authorities of this main frame 21, be formed with radial bearing section 28 and protruding accommodation section 26.Radial bearing section 28 is for front end (upper end) side of axle supporting driving shaft 15, and forms from the mediad of the face (face of downside) of this main frame 21 outstanding.Projection accommodation section 26 is for accommodating the protruding 25C of swing scroll 25 described later, and the mediad lower recess of another face (face of upside) by making main frame 21 forms protruding accommodation section 26.At the front end (upper end) of live axle 15, form eccentric axial portion 15A.This eccentric axial portion 15A is set to the axle center of ，Qi center and live axle 15 and carries out bias, and is inserted in protruding 25C in the mode that can rotarily actuate via swivel bearing 24.
Above-mentioned scroll compression body 11 consists of fixed scroll 23 and swing scroll 25.Fixed scroll 23 is configured in the upper surface of main frame 21 closely.The outer periphery of main frame 21 are installed on the internal surface of chassis body 5 of casing 3, and fixed scroll 23 is fastened on main frame 21 by screw 34.Swing scroll 25 and fixed scroll 23 engagements, and be configured between fixed scroll 23 and main frame 21 in formed swing space 12.Be divided into the high-pressure space 27 of main frame 21 belows and the discharge space 29 of main frame 21 tops in casing 3.Each space 27,29 is communicated with via pod 71, and this pod 71 carries out longitudinal extension and forms on the periphery of main frame 21 and fixed scroll 23.
The refrigeration agent of refrigerant circuit is imported to the suction pipe 31 of scroll compression body 11, run through airtightly and be fixed on the upper cover 7 of casing 3, and, the refrigeration agent in casing 3 is discharged to the discharge tube 33 outside casing 3, run through airtightly and be fixed on chassis body 5.Suction pipe 31 extends along the vertical direction in discharging space 29, and its inner end has run through the fixed scroll 23 of scroll compression body 11, thereby is communicated with pressing chamber 35, and by this suction pipe 31, refrigeration agent is sucked in pressing chamber 35.
Drive motor (direct drive motor) the 13rd, accept the DC(Direct Current driven from the input of DC electrical source: direct current) motor, this drive motor comprises: the stator 37 of ring-type; The rotor 39 formed in these stator 37 inboards with mode to rotate freely.Drive motor 13 is accepted constant input voltage, and by PWM(Pulse Width Modulation: pulsewidth modulation) transducer is controlled rotation torque and is driven, and the dutycycle of described PWM transducer paired pulses ripple, the pulse width while exporting pulse wave period and output are controlled.
The swing scroll 25 of scroll compression body 11 drives and is connected with rotor 39 via live axle 15.Stator 37 consists of stator iron core 37A and stator coil 18.Stator iron core 37A is undertaken overlapping by sheet iron and forms, although omitted diagram, inside has a plurality of grooves.Stator coil 18 is wound around heterogeneous staor winding and forms, and is embedded in the inner formed groove of stator iron core 37A, thereby is arranged on the upper and lower of stator iron core 37A.Stator coil 18 is housed in the inside of insulator 19.Stator coil 18 is connected with power supply feeding terminal 53 via not shown wire.
Have bearing plate 8 below drive motor 13, the underpart of 8 pairs of live axles 15 of this bearing plate embeds supporting in the mode that can rotate.As shown in Figure 2, bearing plate 8 has: lug boss 8A, and it forms cylindric and embeds live axle 15 is arranged; And arm 8B, its with about equally be disposed on this lug boss 8A around and along four direction, extend, and be fixed on chassis body 5.That is to say, live axle 15 is supported by casing 3 by bearing plate 8.Bearing plate 8 has: be formed between each arm 8B and the opening portion 8E that upper and lower space is communicated with.
As shown in Figure 1, the lower space of bearing plate 8 belows (store oil section) 40 is remained to high pressure, in the underpart with lower space 40, the inner bottom part of suitable lower cover 9 has oil.Between bearing plate 8 and store oil section 40, annular plate 59 is fixed and is arranged on bearing plate 8.In addition, above annular plate 59, baffle plate 14 is supported and is arranged on annular plate 59.For example, baffle plate 14 by have a plurality of pore 14D, for example laminal stamped metal forms.
In live axle 15, be formed with the fuel supply path 41 as the part of high pressure oil feed unit, this fuel supply path 41 is downward-extension on the edge, inside of live axle 15, and is communicated with the grease chamber 43 at the back side that swings scroll 25.This fuel supply path 41 is connected with the oil dipper 45 that is arranged on live axle 15 lower ends.In the inboard of oil dipper 45, be provided with the cross-drilled hole 57 that radially extends and run through fuel supply path 41 along live axle 15.In this cross-drilled hole 57, be pressed into above-mentioned retainer 58.After rotor 39 magnetization, oil dipper 45 is pressed in live axle 15.
Be formed with on main frame 21 and return to oil circuit 47, this returns to that oil circuit 47 radially runs through main frame 21 from protruding accommodation section 26 and at pod 71 openings.The lubricant oil of the surplus in the lubricant oil of each sliding parts that is fed into scroll compression body 11 via fuel supply path 41 and pressing chamber 35, return to oil circuit 47 via this and turn back to store oil section 40.Return oil circuit 47 below be provided with oil trap 46, oil trap 46 extends near the upper end of space ring 38.On the outer circumferential face of stator 37, be formed with the upper and lower a plurality of otch 54 that spread all over stator 37.Lubricant oil via returning to oil circuit 47, oil trap 46 and returning from fuel supply path 41, can turn back to store oil section 40 between each arm 8B by this otch 54 and bearing plate 8.In addition, in the sectional view of Fig. 1, for ease of explanation, dotted discharge tube 33, but discharge tube 33 is to be configured with the stagger mode of phase place of oil trap 46.
Fixed scroll 23 consists of end plate 23A and scrollwork 23B, and this scrollwork 23B is formed on the lower surface of this end plate 23A and is vortex shape (involute shape).On the other hand, swing scroll 25 and consist of end plate 25A and scrollwork 25B, this scrollwork 25B is formed on the upper surface of this end plate 25A and is vortex shape (involute shape).And the scrollwork 25B of the scrollwork 23B of fixed scroll 23 and swing scroll 25 is intermeshing, thus, between fixed scroll 23 and swing scroll 25, by two scrollwork 23B, 25B, form a plurality of pressing chambers 35.
Swing scroll 25 and be supported on fixed scroll 23 via European ring (oldham ring) 61, on the central part of the lower surface of this end plate 25A, the outstanding protruding 25C that is provided with the round-ended cylinder shape.On the other hand, in the upper end of live axle 15, be provided with eccentric axial portion 15A, this eccentric axial portion 15A is embedded in the protruding 25C that swings scroll 25 in the mode that can rotate.
And then, on live axle 15, and, at the downside of main frame 21, be provided with counterweight part (upper equilibrium block) 63, be provided with lower equilibrium block 77 in the bottom of rotor 39.Live axle 15 passes through equilibrium block 63 and lower equilibrium block 77 on these, and obtains dynamic balancing between swing scroll 25 or eccentric axial portion 15A etc.
In the balance that obtains weight by these counterweight parts 63 and lower equilibrium block 77, live axle 15 is rotated, and makes thus to swing scroll 25 revolution.And its structure is: follow the revolution of this swing scroll 25, the volume between two scrollwork 23B, the 25B of pressing chamber 35 can shrink towards center, and 35 pairs of refrigeration agents that suck from suction pipe 31 of pressing chamber are compressed thus.In addition, at the lower surface of lower equilibrium block 77, the confinement plate 55 that carries out integrated riveted joint with rotor 39 and lower equilibrium block 77 is set.Confinement plate 55 is for winding when magnetization carrying out rotor 39, the rotation of restrict rotor 39.
Lubricating cup 48 is fixed on the downside of main frame 21 in the mode on every side of surrounding counterweight part 63 by bolt 49.The lubricant oil that lubricating cup 48 prevents from spilling from the gap between main frame 21 and live axle 15, because the rotation of counterweight part 63 is splashed to discharge tube one side.
Central part at fixed scroll 23 is provided with tap hole 73, the gas refrigerant of discharging from this tap hole 73, be discharged to via expulsion valve 75 and discharge space 29, thereby and via pod 71 set on each periphery at main frame 21 and fixed scroll 23, flow out in the high-pressure space 27 below main frame 21, this high-pressure refrigerant is discharged to outside casing 3 via discharge tube set on chassis body 5 33.
Running action for this scroll compression device 1 describes.
When drive motor 13 drives, rotor 39, with respect to stator 37 rotations, makes live axle 15 rotations thus.When live axle 15 rotation, the swing scroll 25 of scroll compression body 11 is only revolved round the sun with respect to fixed scroll 23 and can not be carried out rotation.Thus, the refrigeration agent of low pressure, via suction pipe 31, attracted to pressing chamber 35 from the peripheral side of pressing chamber 35, and this refrigeration agent is followed the volume-variation of pressing chamber 35 and be compressed.Then, refrigeration agent after this is compressed just becomes high pressure, be discharged to via expulsion valve 75 from pressing chamber 35 and discharge space 29, thereby and via pod 71 set on each periphery at main frame 21 and fixed scroll 23, flow out in the high-pressure space 27 below main frame 21, this high-pressure refrigerant is discharged to outside casing 3 via discharge tube set on chassis body 5 33.Be discharged to the refrigeration agent outside casing 3, after being circulated in having omitted illustrated refrigerant circuit, thereby it is compressed again via suction pipe 31, to be inhaled into compressor 1, repeatedly carries out the circulation of such refrigeration agent.
The mobile of lubricant oil described, and the lubricant oil that the inner bottom part of the lower cover 9 in casing 3 is stored is picked up by oil dipper 45, and this lubricant oil is via the fuel supply path 41 of live axle 15, thereby is fed into each sliding parts and the pressing chamber 35 of scroll compression body 11.At each sliding parts of scroll compression body 11 and the lubricant oil of the surplus in pressing chamber 35, be collected into oil trap 46 from returning to oil circuit 47, and turn back to the below of drive motor 13 via the otch 54 on the periphery that is arranged on stator 37.
Below the method that is fixed the centering of scroll 23 in the assembling procedure of scroll compression device 1 will be described.In this first mode of execution, rotor 39 magnetizes and is magnetized by winding, before the magnetization of rotor 39, is fixed the centering of scroll 23.That is,, when being fixed the centering of scroll 23, rotor 39 is not magnetized.
Scroll compression body 11 and drive motor 13 are arranged under the state of chassis body 5, be fixed the centering of scroll 23, and taken off upper cover 7, suction pipe 31, expulsion valve 75 and lower cover 9.
Be arranged on the tap hole 73 of the central part of fixed scroll 23, be connected with regulating device 80 via pipe arrangement 82.Regulating device 80 comprises pump 81, high pressure regulator 83, low-pressure regulator 84, switching valve 86 and the butt coupling device 87 etc. that the gas to air or nitrogen etc. is compressed.
Under the state of temporarily having fixed fixed scroll 23, chassis body 5 is fixed on and adjusts on platform 88.Next, butt coupling device 87 is connected with the tap hole 73 of fixed scroll 23, and makes pump 81 work.Make by high pressure regulator 83 and adjust to constant pressure 5kg/cm by switching valve 86
2Pressurized gas (pressure fluid), via butt coupling device 87, from tap hole 73, flow in swing space 12, make thus pressurized gas act on the discharge side of scroll compression body 11.
In the centering of having carried out fixed scroll 23, and on best position by fixed scroll 23 fastening and be fixed on main frame 21 after, rotor 39 magnetizes and is magnetized by winding.When rotor 39 magnetization, although omitted diagram, under the state before lower cover 9 and oil dipper 45 are installed, scroll compression device 1 is configured to turn upside down.Then, rolling clamp is inserted in the formed fuel supply path 41 in inside of live axle 15, and the front end of rolling clamp is engaged with the retainer 58 radially extended in fuel supply path 41.Under the state engaged with retainer 58 at rolling clamp, make rolling clamp be rotated driving, thereby and live axle 15 rotation predetermined angulars are configured in rotor 39 on assigned position.Under this state, making to form circulation in the staor winding of stator coil 18 of stator 37 of drive motor 13 has electric current, thereby, in generation magnetic field, the inboard of stator iron core 37A, makes thus rotor 39 magnetization.Rotor 39 is by while changing phase place, changing angle and repeatedly magnetize, thereby is magnetized to multipole.
According to this structure, owing to before the magnetization carrying out rotor 39, can being fixed the centering of scroll 23, therefore, when being fixed the centering of scroll 23, swing that scroll 25 is carried out wobbling action and the impact that can not be subject to the magnetic force of rotor 39.Thus, owing to flowing into the pressure of the pressurized gas in swing space 12 from tap hole 73, can make to swing scroll 25 and easily carry out wobbling action, therefore can be fixed efficiently the centering operation of scroll 23.
The<the second mode of execution>
In the first above-mentioned mode of execution, although understand after the centering that is fixed scroll 23, utilize winding magnetization to carry out the magnetized situation of rotor 39, but in this second mode of execution, utilizing after winding magnetization carries out the magnetization of rotor 39, then be fixed the centering of scroll 23.In addition, the structure of the scroll compression device 1 of this second mode of execution, the structure of the scroll compression device 1 of first mode of execution illustrated with using Fig. 1 is identical.
In this second mode of execution, at first, by winding, magnetize rotor 39 is magnetized.About magnetizing by winding, rotor 39 is carried out to magnetizing method, identical with method illustrated in the first above-mentioned mode of execution.
For after utilizing winding magnetization to apply magnetic to rotor 39 and making its magnetization, then be fixed the centering of scroll 23, and, under the state of temporarily having fixed fixed scroll 23, chassis body 5 be fixed on and adjust on platform 88.Next, butt coupling device 87 is connected with the tap hole 73 of fixed scroll 23, and makes pump 81 work.Make by high pressure regulator 83 and adjust to constant high pressure 8 to 9kg/cm by switching valve 86
2Pressurized gas, via butt coupling device 87, from tap hole 73, flow in swing space 12, make thus pressurized gas act on the discharge side of scroll compression body 11.
Under this state, under the impact of the magnetic force of rotor 39, swing scroll 25 and carry out wobbling action and just need very large power.But, in this structure, by flow into the pressurized gas in swing space 12 from tap hole 73, can make to swing scroll 25 and be rotated equally with the situation that rotor 39 is not magnetized.Thus, even in the situation that utilize winding magnetization to make after rotor 39 magnetization to be fixed again the centering of scroll 23, the precision that also can equate with the situation that is fixed scroll 23 centering under the state with not being magnetized at rotor 39, assemble fixed scroll and swing scroll.
The<the three mode of execution>
In the second above-mentioned mode of execution, although understand utilize winding magnetization carry out the magnetization of rotor 39 after, be fixed again the situation of the centering of scroll 23, but in the 3rd mode of execution, after by external magnetisation, carrying out the magnetization of rotor 39, then be fixed the centering of scroll 23.In addition, the structure of the scroll compression device 1 of the 3rd mode of execution, the structure of the scroll compression device 1 of first mode of execution illustrated with using Fig. 1 is identical.
Although omitted diagram, in the 3rd mode of execution, at first, utilize outside magnetizing assembly make rotor 39 magnetization after and rotor 39 is fixed under the state of live axle 15 by hot charging etc., drive motor 13 is arranged in chassis body 5.For example, in the situation that the rotation output that needs increase the eliminating volume of scroll compression body 11 and improve drive motor 13, stator 37 can increase.If stator 37 increases, need to make rotor 39 magnetization by external magnetisation.Therefore, the wobbling action of swing scroll 25 is subject to the impact of the magnetic force of rotor 39.The 3rd mode of execution is the precision that equates of the situation for be fixed scroll 23 centering making in the magnetized situation of rotor 39 by external magnetisation, under also can be with the state with not being magnetized at rotor 39, assemble fixed scroll and swing the method for scroll.
Make rotor 39 magnetization by external magnetisation after, drive motor 13 is arranged on chassis body 5.Afterwards, under the state of temporarily having fixed fixed scroll 23, chassis body 5 is fixed on and adjusts on platform 88.Next, butt coupling device 87 is connected with the tap hole 73 of fixed scroll 23, and makes pump 81 work.Make by high pressure regulator 83 and adjust to constant high pressure 8 to 9kg/cm by switching valve 86
2Pressurized gas, via butt coupling device 87, from tap hole 73, flow in swing space 12, make thus pressurized gas act on the discharge side of scroll compression body 11.
According to this structure, even causing swinging scroll 25 in the impact of the magnetic force due to rotor 39 is not easy to carry out under the state of wobbling action, by flow into the pressurized gas in swing space 12 from tap hole 73, also can make to swing scroll 25 and similarly carry out wobbling action with situation about not being magnetized with rotor 39.Thus, even in the situation that make be arranged on chassis body 5 by drive motor 13 and carry out the centering of fixed scroll 23 after rotor 39 magnetization by external magnetisation, the precision that also can equate with the situation that is fixed scroll 23 centering under the state with not being magnetized at rotor 39, assemble fixed scroll and swing scroll.
As described above, according to having applied embodiments of the present invention, a kind of assembling method of scroll compression device 1 can be provided, and described scroll compression device 1 comprises in the inside of casing 3: thus there is fixed scroll 23 and swing the scroll compression body 11 that scroll 25 is compressed refrigeration agent, and be connected with scroll compression body 11 by live axle 15 and drive this scroll compression body 11, carried out the direct drive motor 13 of VFC, in the assembling method of described scroll compression device 1, scroll compression body 11 is supported by casing 3 by main frame 21, make rotor 39 magnetization of direct drive motor 13, and after rotor 39 magnetization, can overcome the magnetic force after magnetization and make to swing the pressurized gas that scroll 25 is carried out wobbling action, to flow in swing space 12 from tap hole 73, thereby act on the discharge side of scroll compression body 11, make thus to swing scroll 25 and carry out wobbling action, after having carried out swinging the centering of scroll 25 and fixed scroll 23, fixed scroll 23 is positioned on main frame 21.Thus, can overcome the magnetic force of the rotor 39 after magnetization and make to swing the pressurized gas that scroll 25 is carried out wobbling action, to flow in swing space 12 from tap hole 73, thereby act on the discharge side of scroll compression body 11, carry out wobbling action owing to can making to swing scroll 25, be fixed the centering of scroll 23, and fixed scroll 23 is positioned on main frame 21, therefore, even rotor 39 is magnetized, identical in the time of also can be with the state that is not magnetized with rotor 39, pressure by pressurized gas makes to swing scroll 25 and carries out wobbling action, thereby assembling fixed scroll 23 and swing scroll 25.Therefore, even first carry out any in the centering of the magnetization of rotor 39 or fixed scroll 25, also can carry out the magnetization of rotor 39 and the centering of fixed scroll 25.
In addition, according to having applied embodiments of the present invention, rotor 39 repeats following operation and is magnetized: make after live axle 15 rotation predetermined angulars to stop, and the staor winding of drive motor 13 is applied to voltage, again make to stop after live axle 15 rotation predetermined angulars, and apply voltage.Thus, in the staor winding of the stator coil 18 that makes to form stator 37, circulation has electric current, and thereby carry out in the magnetized situation of magnetized winding rotor 39 in generation magnetic field in stator iron core 37A, after rotor 39 magnetization, can overcome the magnetic force after magnetization and make to swing the pressurized gas that scroll 25 is carried out wobbling action, to flow in swing space 12 from tap hole 73, thereby act on the discharge side of scroll compression body 11, make thus to swing scroll 25 and carry out wobbling action, make to swing scroll 25 by the pressure that utilizes pressurized gas and carry out wobbling action, can be fixed the centering of scroll 23 thus.
In addition, according to having applied embodiments of the present invention, before being assembled in direct drive motor 13, rotor 39 first makes rotor 39 magnetization.Thus, before being assembled in to direct drive motor 13, use rotor 39 outside magnetizing assembly to make rotor 39 magnetization, can overcome the magnetic force after magnetization and make to swing the pressurized gas that scroll 25 is carried out wobbling action, to flow in swing space 12 from tap hole 73, thereby act on the discharge side of scroll compression body 11, make thus to swing scroll 25 and carry out wobbling action, make to swing scroll 25 by the pressure that utilizes pressurized gas and carry out wobbling action, can be fixed thus the centering of scroll 23.
In addition, according to having applied embodiments of the present invention, a kind of assembling method of scroll compression device 1 can be provided, and described scroll compression device 1 comprises in the inside of casing 3: thus there is fixed scroll 23 and swing the scroll compression body 11 that scroll 25 is compressed refrigeration agent, and be connected with scroll compression body 11 by live axle 15 and drive this scroll compression body 11, carried out the direct drive motor 13 of VFC, in the assembling method of described scroll compression device 1, scroll compression body 11 is supported by casing 3 by main frame 21, make pressurized gas act on the discharge side of scroll compression body 11 from tap hole 73, make thus to swing scroll 25 and carry out wobbling action, after having carried out swinging the centering of scroll 25 and fixed scroll 23, fixed scroll 23 is positioned on main frame 21, and repeat following operation and rotor is magnetized: making after live axle 15 rotation predetermined angulars to stop, and the winding of direct drive motor 13 is applied to voltage, again make to stop after live axle 15 rotation predetermined angulars, and apply voltage.Thus, because thereby making to swing scroll 25, the discharge side that makes pressurized gas act on scroll compression body 11 carries out wobbling action, after being positioned at main frame 21 in the centering that is fixed scroll 23 and by fixed scroll 23, can make rotor 39 magnetization, therefore, when being fixed the centering of scroll 23, can make to swing that scroll 25 is carried out wobbling action and the impact that can not be subject to the magnetic force of rotor 39, thereby and can make to swing scroll 25 by the pressure of pressurized gas and carry out the centering that wobbling action is fixed scroll 23.
Symbol description
1: Scrawl compressor
3: casing
11: scroll compression body
13: drive motor (direct drive motor)
15: live axle
21: main frame
23: fixed scroll
25: swing scroll
37: stator
39: rotor
73: tap hole
Claims (6)
1. the assembling method of a scroll compression device, described scroll compression device comprises in the inside of casing: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent; And by live axle, with described scroll compression body, be connected and drive described scroll compression body, by the d.c. motor of VFC,
The assembling method of described scroll compression device is characterised in that,
Described scroll compression body is supported by described casing by main frame,
Make the rotor magnetization of described d.c. motor,
And, after the magnetization of described rotor, allow to overcome the magnetic force after magnetization and make described swing scroll carry out the pressurized gas of wobbling action, act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame.
2. the assembling method of scroll compression device as claimed in claim 1, it is characterized in that, described rotor is repeated to proceed as follows and is magnetized: make to stop after described live axle rotation predetermined angular, and the staor winding of described d.c. motor is applied to voltage, again make to stop after described live axle rotation predetermined angular, and apply described voltage.
3. the assembling method of scroll compression device as claimed in claim 1, is characterized in that, at described rotor assembling, before described d.c. motor, makes described rotor magnetization.
4. the assembling method of a scroll compression device, described scroll compression device comprises in the inside of casing: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent; And by live axle, with described scroll compression body, be connected and drive described scroll compression body, by the d.c. motor of VFC,
The assembling method of described scroll compression device is characterised in that,
Described scroll compression body is supported by described casing by main frame,
Make pressurized gas act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame,
And, repeat following operation and described rotor magnetized: make after described live axle rotation predetermined angular to stop, and the winding of described d.c. motor is applied to voltage, again make after described live axle rotation predetermined angular to stop, and apply described voltage.
5. a scroll compression device, its inside at casing comprises: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent; And by live axle, with described scroll compression body, be connected and drive described scroll compression body, by the d.c. motor of VFC,
Described scroll compression device is characterised in that,
Described scroll compression body is supported by described casing by main frame,
Make the rotor magnetization of described d.c. motor,
And after the magnetization of described rotor, allow to overcome the magnetic force after magnetization and make described swing scroll carry out the pressurized gas of wobbling action, act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, thereby described fixed scroll is positioned on described main frame and completes assembling.
6. a scroll compression device, its inside at casing comprises: thus there is fixed scroll and swing the scroll compression body that scroll is compressed refrigeration agent; And by live axle, with described scroll compression body, be connected and drive described scroll compression body, by the d.c. motor of VFC,
Described scroll compression device is characterised in that,
Described scroll compression body is supported by described casing by main frame,
Make pressurized gas act on the discharge side of described scroll compression body, make thus described swing scroll carry out wobbling action, after the centering of carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame,
And repeat to operate thereby described rotor is magnetized and completes assembling as follows: make to stop after described live axle rotation predetermined angular, and the winding of described d.c. motor is applied to voltage, again make to stop after described live axle rotation predetermined angular, and apply described voltage.
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011065607A JP2012202252A (en) | 2011-03-24 | 2011-03-24 | Scroll compression device |
| JP2011-065607 | 2011-03-24 | ||
| JP2011-066921 | 2011-03-25 | ||
| JP2011066921A JP2012202278A (en) | 2011-03-25 | 2011-03-25 | Scroll compression device and magnetization method for the same |
| JP2011-066920 | 2011-03-25 | ||
| JP2011067051A JP5824668B2 (en) | 2011-03-25 | 2011-03-25 | Ring body holding jig and scroll compression device |
| JP2011066920A JP2012202277A (en) | 2011-03-25 | 2011-03-25 | Scroll compression device |
| JP2011-067051 | 2011-03-25 | ||
| JP2011-069123 | 2011-03-28 | ||
| JP2011069123A JP2012202349A (en) | 2011-03-28 | 2011-03-28 | Scroll compression device, and assembling method therefor |
| PCT/JP2011/079467 WO2012127753A1 (en) | 2011-03-24 | 2011-12-20 | Scroll compression device and assembling method for scroll compression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103429898A true CN103429898A (en) | 2013-12-04 |
| CN103429898B CN103429898B (en) | 2016-01-13 |
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ID=46878938
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180069287.8A Expired - Fee Related CN103429898B (en) | 2011-03-24 | 2011-12-20 | The assembling method of scroll compression device and scroll compression device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140161649A1 (en) |
| CN (1) | CN103429898B (en) |
| WO (1) | WO2012127753A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843439A (en) * | 2017-04-26 | 2021-12-28 | 三菱电机株式会社 | Method for manufacturing scroll compressor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013200597B4 (en) * | 2012-01-19 | 2021-08-19 | Danfoss (Tianjin) Ltd. | Compressor and method of assembling such a compressor |
| GB2583371A (en) * | 2019-04-26 | 2020-10-28 | Edwards Ltd | Adjustable scroll pump |
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| JP4153131B2 (en) * | 1999-09-14 | 2008-09-17 | サンデン株式会社 | Electric compressor |
| JP2004011473A (en) * | 2002-06-04 | 2004-01-15 | Sanden Corp | Control device for scroll type electric compressor |
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- 2011-12-20 WO PCT/JP2011/079467 patent/WO2012127753A1/en active Application Filing
- 2011-12-20 US US14/007,273 patent/US20140161649A1/en not_active Abandoned
- 2011-12-20 CN CN201180069287.8A patent/CN103429898B/en not_active Expired - Fee Related
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| JPH11132164A (en) * | 1997-10-29 | 1999-05-18 | Hitachi Ltd | Scroll compressor |
| JPH11341752A (en) * | 1998-05-21 | 1999-12-10 | Toshiba Corp | Magnetization of permanent magnet type dynamoelectric machine |
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| CN113843439A (en) * | 2017-04-26 | 2021-12-28 | 三菱电机株式会社 | Method for manufacturing scroll compressor |
| CN113843439B (en) * | 2017-04-26 | 2023-09-19 | 三菱电机株式会社 | Method for manufacturing scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012127753A1 (en) | 2012-09-27 |
| CN103429898B (en) | 2016-01-13 |
| US20140161649A1 (en) | 2014-06-12 |
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