CN103429898B - The assembling method of scroll compression device and scroll compression device - Google Patents
The assembling method of scroll compression device and scroll compression device Download PDFInfo
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- CN103429898B CN103429898B CN201180069287.8A CN201180069287A CN103429898B CN 103429898 B CN103429898 B CN 103429898B CN 201180069287 A CN201180069287 A CN 201180069287A CN 103429898 B CN103429898 B CN 103429898B
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- Prior art keywords
- scroll
- rotor
- scroll compression
- swing
- fixed
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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
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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
- 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
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
- F04C2230/603—Centering; Aligning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- 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
Abstract
The invention provides easily can carry out rotor magnetization, with the scroll compression device of centering of fixed scroll and the assembling method of scroll compression device.Described scroll compression device (1) comprising in the inside of casing (3): the scroll compression body (11) with fixed scroll (23) and swing scroll (25), and be connected with scroll compression body (11) by live axle (15) and drive the drive motor (13) of this scroll compression body (11), in the assembling method of described scroll compression device (1), scroll compression body (11) is supported by casing (3) by main frame (21), the rotor (39) of drive motor (13) is magnetized, and after the magnetization of rotor (39), allow to the magnetic force after overcoming magnetization and the pressurized gas making swing scroll (25) carry out wobbling action acts on the discharge side of scroll compression body (11), swing scroll (25) is made to carry out wobbling action thus, after the centering carrying out swing scroll (25) and fixed scroll (23), fixed scroll (23) is positioned on main frame (21).
Description
Technical field
The present invention relates to by fixed scroll with swing scroll engage the assembling method carrying out scroll compression device and the scroll compression device compressed.
Background technique
In the past, there will be a known a kind of scroll compression device, it comprises in airtight casing: the compressing mechanism be made up of the fixed scroll and swing scroll with intermeshing Vorticose scrollwork, by this compressing mechanism of drive motor, make swing scroll carry out circular movement relative to fixed scroll and can not rotation, compress thus.In this scroll compression device, the assembly precision under the state making fixed scroll and the engagement of swing scroll produces a very large impact compression performance and durability.Therefore, there will be a known a kind of following method: in order to make fixed scroll and swing scroll scrollwork between gap shrinks and homogenization, and while making swing scroll carry out wobbling action relative to fixed scroll, then be fixed the centering (such as with reference to patent documentation 1) of scroll.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2005-188519 publication
Summary of the invention
The problem to be solved in the present invention
But, for the rotor of drive motor, stream in the staor winding of stator alived and by winding magnetization, magnetic is applied to it, or using outside magnetizing assembly to apply magnetic by external magnetisation to it, thus making it magnetize.When the centering being fixed scroll, pressurized gas is flowed into from the discharge side of compressing mechanism, although make swing scroll carry out wobbling action because of the pressure of this pressurized gas, but when rotor is magnetized, the magnetic force of rotor makes to swing scroll easily can not carry out wobbling action, and the efficiency that thus there is the centering operation of fixed scroll reduces such problem.
The object of the invention is the problem that the above-mentioned prior art of elimination has, and provide and can easily carry out the scroll compression device of the magnetization of rotor and the centering of fixed scroll and the assembling method of scroll compression device.
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: have fixed scroll and swing scroll thus the scroll compression body compressed refrigeration agent, and to be connected with described scroll compression body by live axle and drive this scroll compression body by the d.c. motor of VFC, the feature of the assembling method of described scroll compression device is, 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 the magnetic force after overcoming magnetization and make described swing scroll carry out the pressurized gas of wobbling action, act on the discharge side of described scroll compression body, described swing scroll is made to carry out wobbling action thus, after the centering carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame.
In the present invention, allow to the magnetic force of the rotor after overcoming magnetization and make swing scroll carry out the pressurized gas of wobbling action, act on the discharge side of scroll compression body, wobbling action is carried out due to swing scroll can be made, be fixed the centering of scroll, and fixed scroll is positioned on main frame, therefore, even if rotor is magnetized, also can with identical with during the state that rotor is not magnetized, made swing scroll carry out wobbling action by the pressure of pressurized gas, thus assembling fixed scroll and swing scroll.
In the structure shown here, described rotor also can repeat following operation and magnetize: stop after making described live axle rotate predetermined angular, and voltage is applied to the winding of described d.c. motor, stop after again making described live axle rotate predetermined angular, and apply described voltage.In addition, also at described rotor assembling before described d.c. motor, described rotor magnetization can be made.
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: have fixed scroll and swing scroll thus the scroll compression body compressed refrigeration agent, and to be connected with described scroll compression body by live axle and drive this scroll compression body by the d.c. motor of VFC, the feature of the assembling method of described scroll compression device is, described scroll compression body is supported by described casing by main frame, pressurized gas is made to act on the discharge side of described scroll compression body, described swing scroll is made to carry out wobbling action thus, after the centering 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: stopping after making described live axle rotate predetermined angular, and voltage is applied to the winding of described d.c. motor, stop after again making described live axle rotate predetermined angular, and apply described voltage.
In the present invention, swing scroll is made to carry out wobbling action owing to making pressurized gas act on the discharge side of scroll compression body, be fixed the centering of scroll, and after fixed scroll is positioned at main frame, rotor magnetization can be made, therefore, when the centering being fixed scroll, swing scroll can be made to carry out wobbling action and the impact of the magnetic force of rotor can not be subject to, and swing scroll can be made by the pressure of pressurized gas to carry out wobbling action thus be fixed the centering of scroll.
In addition, to achieve these goals, the present invention is a kind of scroll compression device, and it comprises in the inside of casing: have fixed scroll and swing scroll thus the scroll compression body compressed refrigeration agent, and to be connected with described scroll compression body by live axle and drive this scroll compression body by the d.c. motor of VFC, the feature of described scroll compression device is, 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 the magnetic force after overcoming magnetization and make described swing scroll carry out the pressurized gas of wobbling action, act on the discharge side of described scroll compression body, described swing scroll is made to carry out wobbling action thus, after the centering carrying out described swing scroll and described fixed scroll, described fixed scroll to be positioned on described main frame thus to complete assembling.
In addition, to achieve these goals, the present invention is a kind of scroll compression device, and it comprises in the inside of casing: have fixed scroll and swing scroll thus the scroll compression body compressed refrigeration agent, and to be connected with described scroll compression body by live axle and drive this scroll compression body by the d.c. motor of VFC, the feature of described scroll compression device is, described scroll compression body is supported by described casing by main frame, pressurized gas is made to act on the discharge side of described scroll compression body, described swing scroll is made to carry out wobbling action thus, after the centering carrying out described swing scroll and described fixed scroll, described fixed scroll is positioned on described main frame, and, repeat to operate as follows and described rotor magnetized thus completes assembling: stop after making described live axle rotate predetermined angular, and voltage is applied to the winding of described d.c. motor, stop after again making described live axle rotate predetermined angular, and apply described voltage.Invention effect
According to the present invention, even if rotor is magnetized, also swing scroll is made to carry out the pressurized gas of wobbling action owing to allowing to the magnetic force of the rotor after overcoming magnetization, act on the discharge side of scroll compression body, swing scroll is made to carry out wobbling action thus, be fixed the centering of scroll, and fixed scroll is positioned on main frame, therefore, even if rotor is magnetized, also can with identical with the situation that rotor is not magnetized, made swing scroll carry out wobbling action thus be fixed the centering of scroll by the pressure of pressurized gas, even if first carry out any one in the magnetization of rotor or the centering of fixed scroll, also the magnetization of rotor and the centering of fixed scroll can be carried out.
Accompanying drawing explanation
Fig. 1 is the sectional view of the scroll compression device applied involved by embodiments of the present invention.
Fig. 2 is the sectional view of the scroll compression device that the state being fixed scroll centering is shown.
Embodiment
< first mode of execution >
Below, based on accompanying drawing, an embodiment of the invention are described.
In FIG, 1 represents and is in the scroll compression device of internal high pressure, and this compressor 1 is connected to the refrigerant circuit making refrigerant circulation carry out outside the figure of refrigeration cycle motion, and for compressed refrigerant.This compressor 1 has: the casing 3 of the airtight dome of lengthwise cylindrical shape.
This casing 3 is 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 main parts of the cylindrical shape with the axis extended along the vertical direction; This bowl-shape upper cover 7 is bonded on the upper end portion of chassis body 5 integratedly by welding airtightly, and has the convex surface projected upwards; This bowl-shape lower cover 9 is bonded on the underpart of chassis body 5 integratedly by welding airtightly, and has outstanding convex surface downwards.The inside of this casing 3 is cavitys.The outer circumferential face of casing 3 is provided with end cap 52, in the inside of this end cap 52, there is the power supply feeding terminal 53 to stator 37 supply power described later.
In the inside of casing 3, contain for compressed refrigerant scroll compression body 11 and be configured in the drive motor 13 of 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 extended along the vertical direction.In addition, between these scroll compression body 11 and drive motors 13, clearance space 17 is formed with.
Be accommodated with main frame 21 in the inner upper of casing 3, be formed with radial bearing portion 28 and protruding accommodation section 26 in the central authorities of this main frame 21.Radial bearing portion 28 for front end (upper end) side of axle supporting driving shaft 15, and is formed as outstanding from the mediad in a face (face of downside) of this main frame 21.Protruding accommodation section 26, for accommodating the protruding 25C of swing scroll 25 described later, forms protruding accommodation section 26 by making the mediad lower recess in another face of main frame 21 (face of upside).In the front end (upper end) of live axle 15, form eccentric axial portion 15A.This eccentric axial portion 15A is set to, and bias is carried out in the axle center of its center and live axle 15, and via swivel bearing 24 can the mode of rotary actuation be inserted in protruding 25C.
Above-mentioned scroll compression body 11 is made up 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 to engage with fixed scroll 23, and be configured in the swing space 12 that formed between fixed scroll 23 and main frame 21.The high-pressure space 27 below main frame 21 and the discharge space 29 above main frame 21 is divided in casing 3.Each space 27,29 is communicated with via pod 71, and this pod 71 carries out longitudinal extension and formed 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, runs through airtightly and be fixed on chassis body 5.Suction pipe 31 extends along the vertical direction in discharge space 29, and its inner end has run through the fixed scroll 23 of scroll compression body 11, thus is communicated with pressing chamber 35, and is sucked in pressing chamber 35 by refrigeration agent by this suction pipe 31.
Drive motor (direct drive motor) 13 is DC(DirectCurrent that acceptance drives from the input of DC electrical source: direct current) motor, this drive motor comprises: the stator 37 of ring-type; With the rotor 39 formed inside this stator 37 in the mode rotated freely.Drive motor 13 accepts constant input voltage, and pass through PWM(PulseWidthModulation: pulsewidth modulation) transducer controls rotation torque and driving, the dutycycle of described PWM converter paired pulses ripple, namely export pulse wave period and export time pulse width control.
The swing scroll 25 of scroll compression body 11 is carried out driving via live axle 15 with rotor 39 and is connected.Stator 37 is made up of stator iron core 37A and stator coil 18.Sheet iron is carried out overlap and is formed by stator iron core 37A, although the diagram of eliminating, inside has multiple groove.Stator coil 18 is wound around heterogeneous staor winding and is formed, and is embedded in the inner groove formed of stator iron core 37A, thus 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.
Rotor 39 is formed by ferrite lattice or neodium magnet, and is magnetized by applying magnetic.As making rotor 39 magnetizing method, comprising: winding magnetizes, it after insertion rotor 39, makes stream in the staor winding of the stator coil 18 of formation stator 37 alive thus magnetize in stator 37; Or external magnetisation, it uses outside magnetizing assembly to make after rotor 39 magnetizes, insertion rotor 39 stator 37 in.In the inside of live axle 15 press-in retainer (pin retainer) 58, this retainer 58 is when the winding magnetization carrying out rotor 39, for the location of rotor 39.
Stator 37 is supported on the internal face of casing 3 by the space ring 38 of ring-type.Space ring 38 is fixed on the internal face of casing 3 by hot charging, stator 37 is fixed on by hot charging on the internal face of space ring 38.The upper-end surface of space ring 38 is arranged on the position more on the lower, upper-end surface than stator 37.
Have bearing plate 8 in the below of drive motor 13, embedding supporting is carried out in the mode that can rotate in the underpart of this bearing plate 8 pairs of live axles 15.As shown in Figure 2, bearing plate 8 has: lug boss 8A, and it is formed as cylindric and is embedded with live axle 15; And arm 8B, it with the roughly equal surrounding being disposed on this lug boss 8A and along four direction extension, and is fixed on chassis body 5.That is, live axle 15 is supported by casing 3 by bearing plate 8.Bearing plate 8 has: be formed in the opening portion 8E be communicated with between each arm 8B and to upper and lower space.
As shown in Figure 1, the lower space (store oil portion) 40 below bearing plate 8 is remained high pressure, has oil at the inner bottom part of the lower cover 9 suitable with the underpart of lower space 40.Between bearing plate 8 and store oil portion 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.Such as, baffle plate 14 by have multiple pore 14D, such as laminal stamped metal formed.
In live axle 15, be formed with the fuel supply path 41 as a part for high pressure oil feed unit, this fuel supply path 41 vertically extends in the inside of live axle 15, and is communicated with the grease chamber 43 at the back side swinging scroll 25.This fuel supply path 41 is connected with the oil dipper 45 being arranged on live axle 15 lower end.In the inner side of oil dipper 45, the radial direction be provided with along live axle 15 extends and runs through the cross-drilled hole 57 of fuel supply path 41.In this cross-drilled hole 57, be pressed into above-mentioned retainer 58.After rotor 39 magnetizes, oil dipper 45 is pressed in live axle 15.
Oil dipper 45 has: the suction port 42 being arranged on lower end; And the blade 44 formed above this suction port 42.Impregnated in lubricant oil by the lower end of oil dipper 45, this lubricant oil is stored in store oil portion 40, and the suction port 42 of this fuel supply path 41 is at lubricant oil inner opening.When live axle 15 rotates, be stored in the lubricant oil in store oil portion 40 and enter into fuel supply path 41 from the suction port 42 of oil dipper 45, and along this fuel supply path 41 blade 44 and be inhaled into top.Then, the lubricant oil be inhaled into, is supplied to each sliding parts of the scroll compression body 11 of radial bearing portion 28 and swivel bearing 24 etc. via fuel supply path 41.And then lubricant oil is fed into via fuel supply path 41 in the grease chamber 43 swinging scroll 25 back side, and from this grease chamber 43 via being arranged on the communication path 51 swung scroll 25, be re-supplied to pressing chamber 35.
Main frame 21 is formed and returns oil circuit 47, this returns oil circuit 47 and radially runs through main frame 21 from protruding accommodation section 26 and at pod 71 opening.Be fed into the lubricant oil of the surplus in each sliding parts of scroll compression body 11 and the lubricant oil of pressing chamber 35 via fuel supply path 41, returning oil circuit 47 turn back to store oil portion 40 via this.The below returning oil circuit 47 is provided with oil trap 46, and 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 multiple otch 54 throughout stator 37.Via returning oil circuit 47, oil trap 46 and the lubricant oil returned from fuel supply path 41, can by turning back to store oil portion 40 between this otch 54 and each arm 8B of bearing plate 8.In addition, in the sectional view of Fig. 1, for ease of illustrating, discharge tube 33 represented by dashed line, but discharge tube 33 is to be configured with the stagger mode of phase place of oil trap 46.
Fixed scroll 23 is made up of end plate 23A and scrollwork 23B, and this scrollwork 23B is formed in the lower surface of this end plate 23A and is vortex shape (involute shape).On the other hand, swing scroll 25 and be made up of end plate 25A and scrollwork 25B, this scrollwork 25B is formed in the upper surface of this end plate 25A and is vortex shape (involute shape).Further, the scrollwork 23B of the fixed scroll 23 and scrollwork 25B of swing scroll 25 engages each other, and thus, between fixed scroll 23 and swing scroll 25, forms multiple pressing chamber 35 by two scrollworks 23B, 25B.
Swinging scroll 25 is supported on fixed scroll 23 via European ring (oldhamring) 61, on the central part of the lower surface of this end plate 25A, and the projecting protruding 25C of bottomed cylindrical.On the other hand, the upper end of live axle 15 is provided with eccentric axial portion 15A, this eccentric axial portion 15A is embedded in the mode that can rotate in the protruding 25C swinging scroll 25.
And then, on live axle 15, and in the downside of main frame 21, be provided with counterweight part (upper equilibrium block) 63, the bottom of rotor 39 is provided with lower equilibrium block 77.Live axle 15 is by equilibrium block 63 and lower equilibrium block 77 on these, and swing obtains dynamic balancing between scroll 25 or eccentric axial portion 15A etc.
While obtaining the balance of weight by these counterweight parts 63 and lower equilibrium block 77, live axle 15 rotates, and makes swing scroll 25 revolve round the sun thus.Further, its structure is: with the revolution of this swing scroll 25, the volume between two scrollwork 23B, 25B of pressing chamber 35 can towards central reduction, and pressing chamber 35 compresses the refrigeration agent sucked from suction pipe 31 thus.In addition, at the lower surface of lower equilibrium block 77, arrange and carry out integrated confinement plate 55 of riveting with rotor 39 and lower equilibrium block 77.Confinement plate 55 for carry out rotor 39 winding magnetization time, restrict rotor 39 rotation.
Lubricating cup 48 is fixed on the downside of main frame 21 by bolt 49 in the mode of surrounding the surrounding of counterweight part 63.The lubricant oil that lubricating cup 48 prevents from spilling from the gap between main frame 21 and live axle 15, be splashed to discharge tube side due to the rotation of counterweight part 63.
The central part of fixed scroll 23 is provided with tap hole 73, from the gas refrigerant that this tap hole 73 is discharged, be discharged to via expulsion valve 75 and discharge space 29, and flowing out in the high-pressure space 27 below main frame 21 via pod 71 set on each periphery of main frame 21 and fixed scroll 23, this high-pressure refrigerant is discharged to outside casing 3 via discharge tube 33 set on chassis body 5.
Motion for this scroll compression device 1 is described.
When drive motor 13 drives, rotor 39 rotates relative to stator 37, makes live axle 15 rotate thus.When live axle 15 rotates, the swing scroll 25 of scroll compression body 11 is only carried out revolving round the sun relative to fixed scroll 23 and can not carry 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 compressed with the volume-variation of pressing chamber 35.Then, this is just become high pressure by the refrigeration agent after compressing, discharge space 29 is discharged to via expulsion valve 75 from pressing chamber 35, and flowing out in the high-pressure space 27 below main frame 21 via pod 71 set on each periphery of main frame 21 and fixed scroll 23, this high-pressure refrigerant is discharged to outside casing 3 via discharge tube 33 set on chassis body 5.Be discharged to the refrigeration agent outside casing 3, after eliminating in illustrated refrigerant circuit and circulating, be again inhaled into compressor 1 via suction pipe 31 thus compressed, repeatedly carrying out the circulation of such refrigeration agent.
Be described the flowing of lubricant oil, the lubricant oil of the inner bottom part storage of the lower cover 9 in casing 3 is picked up by oil dipper 45, and this lubricant oil via the fuel supply path 41 of live axle 15, thus is fed into each sliding parts and the pressing chamber 35 of scroll compression body 11.The lubricant oil of the surplus in each sliding parts and pressing chamber 35 of scroll compression body 11, is collected into oil trap 46 from returning oil circuit 47, and turns back to the below of drive motor 13 via the otch 54 be arranged on the periphery of stator 37.
The method being fixed the centering of scroll 23 in the assembling procedure of scroll compression device 1 will be described below.In this first mode of execution, rotor 39 is magnetized by winding and is magnetized, and 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.
Under the state that scroll compression body 11 and drive motor 13 are arranged on chassis body 5, be fixed the centering of scroll 23, and take 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 compress the gas of air or nitrogen etc.
Under the state temporarily securing fixed scroll 23, chassis body 5 is fixed on adjustment platform 88.Next, butt coupling device 87 is connected with the tap hole 73 of fixed scroll 23, and pump 81 is worked.Make to be adjusted to constant pressure 5kg/cm by high pressure regulator 83 by switching valve 86
2pressurized gas (pressure fluid), flow in swing space 12 via butt coupling device 87 from tap hole 73, make pressurized gas act on the discharge side of scroll compression body 11 thus.
Swing scroll 25 because flowing into the pressure of the pressurized gas in swing space 12 from tap hole 73, and along with compression common refrigeration agent running time contrary direction carry out wobbling action.By the wobbling action of this swing scroll 25, the scrollwork 25B of scrollwork 23B and swing scroll 25 that fixed scroll 23 can be positioned at fixed scroll 23 is in whole circumferentially all discontiguous position.In this condition, screw 36 is carried out equably fastening, thus by fastening for fixed scroll 23 and be fixed on main frame 21, by the centering that this has been fixed scroll 23 on the position of the best.
Carrying out the centering of fixed scroll 23, and by fastening for fixed scroll 23 and after being fixed on main frame 21, rotor 39 is magnetized by winding and is magnetized on the position of the best.When rotor 39 magnetizes, although the diagram of eliminating, under the state before installing lower cover 9 and oil dipper 45, scroll compression device 1 is configured to turn upside down.Then, in the fuel supply path 41 that inside rolling clamp being inserted in live axle 15 is formed, and the front end of rolling clamp is engaged in fuel supply path 41 with the retainer 58 radially extended.Under the state that rolling clamp engages with retainer 58, make rolling clamp carry out rotary actuation, and make live axle 15 rotate predetermined angular thus rotor 39 is configured on assigned position.In this condition, stream in the staor winding of the stator coil 18 of the stator 37 of formation drive motor 13 is alived, thus in the generation magnetic field, inner side of stator iron core 37A, makes rotor 39 magnetize thus.Rotor 39 while change angle and come repeatedly to magnetize, thus is magnetized to multipole by changing phase place.
According to this structure, due to the centering of scroll 23 can be fixed before the magnetization carrying out rotor 39, therefore, when being fixed the centering of scroll 23, swinging scroll 25 and carry out wobbling action and the impact of the magnetic force of rotor 39 can not be subject to.Thus, due at the pressure flowing into the pressurized gas in swing space 12 from tap hole 73, swing scroll 25 can be made easily to carry out wobbling action, therefore, it is possible to be fixed the centering operation of scroll 23 efficiently.
< second mode of execution >
In the first above-mentioned mode of execution, although the description of after the centering being fixed scroll 23, utilize winding to magnetize the magnetized situation of rotor 39 of carrying out, but in this second embodiment, magnetize utilizing winding after 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 this second mode of execution is identical with the structure of the scroll compression device 1 of the first mode of execution used illustrated by Fig. 1.
In this second embodiment, first, by winding magnetization, rotor 39 is magnetized.About by winding magnetization, magnetizing method is carried out to rotor 39, identical with method illustrated in the first above-mentioned mode of execution.
In order to utilizing winding to magnetize to apply magnetic to rotor 39 and make after it magnetizes, then be fixed the centering of scroll 23, and under the state temporarily securing fixed scroll 23, chassis body 5 be fixed on adjustment platform 88.Next, butt coupling device 87 is connected with the tap hole 73 of fixed scroll 23, and pump 81 is worked.Make to be adjusted to constant high pressure 8 to 9kg/cm by high pressure regulator 83 by switching valve 86
2pressurized gas, flow in swing space 12 via butt coupling device 87 from tap hole 73, make pressurized gas act on the discharge side of scroll compression body 11 thus.
Swing scroll 25 because flowing into 8 to 9kg/cm in swing space 12 from tap hole 73
2the pressure of pressurized gas, thus overcome the magnetic force of the rotor after magnetization 39, and carry out wobbling action along contrary direction during running with the common refrigeration agent of compression.By the wobbling action of this swing scroll 25, the scrollwork 25B of scrollwork 23B and swing scroll 25 that fixed scroll 23 can be positioned at fixed scroll 23 is in whole circumferentially all discontiguous position.In this condition, screw 36 is carried out equably fastening, thus by fastening for fixed scroll 23 and be fixed on main frame 21 on the position of the best.
In this condition, under the impact of the magnetic force of rotor 39, swing scroll 25 and carry out the wobbling action power that just needs are very large.But, in the structure shown here, by flowing into the pressurized gas in swing space 12 from tap hole 73, can make that swing scroll 25 is same with the situation that rotor 39 is not magnetized to be rotated.Thus, even if magnetize when utilizing winding make rotor 39 magnetize after when being fixed the centering of scroll 23 again, also can with the precision equal with being fixed situation that scroll 23 feels relieved under the state be not magnetized at rotor 39, assemble fixed scroll and swing scroll.
< the 3rd mode of execution >
In the second above-mentioned mode of execution, although the description of after utilizing winding to magnetize to carry out the magnetization of rotor 39, be fixed the situation of the centering of scroll 23 again, but in the 3rd mode of execution, after the magnetization being carried out rotor 39 by external magnetisation, then be fixed the centering of scroll 23.In addition, the structure of the scroll compression device 1 of the 3rd mode of execution is identical with the structure of the scroll compression device 1 of the first mode of execution used illustrated by Fig. 1.
Although the diagram of eliminating, in the 3rd mode of execution, first, utilize outside magnetizing assembly make rotor 39 magnetize after and under the state that rotor 39 is fixed on live axle 15 by hot charging etc., drive motor 13 is arranged in chassis body 5.Such as, when needing the eliminating volume of increase scroll compression body 11 and improve the rotation output of drive motor 13, stator 37 can increase.If stator 37 increases, then need by external magnetisation, rotor 39 to be magnetized.Therefore, the wobbling action swinging scroll 25 is subject to the impact of the magnetic force of rotor 39.3rd mode of execution be for being made by external magnetisation in the magnetized situation of rotor 39, also can with the precision equal with being fixed situation that scroll 23 feels relieved under the state be not magnetized at rotor 39, assemble fixed scroll and swing the method for scroll.
After made rotor 39 magnetization by external magnetisation, drive motor 13 is arranged on chassis body 5.Afterwards, under the state temporarily securing fixed scroll 23, chassis body 5 is fixed on adjustment platform 88.Next, butt coupling device 87 is connected with the tap hole 73 of fixed scroll 23, and pump 81 is worked.Make to be adjusted to constant high pressure 8 to 9kg/cm by high pressure regulator 83 by switching valve 86
2pressurized gas, flow in swing space 12 via butt coupling device 87 from tap hole 73, make pressurized gas act on the discharge side of scroll compression body 11 thus.
Swing scroll 25 because flowing into 8 to 9kg/cm in swing space 12 from tap hole 73
2the pressure of pressurized gas, thus overcome the magnetic force of the rotor after magnetization 39, and carry out wobbling action along contrary direction during running with the common refrigeration agent of compression.By the wobbling action of this swing scroll 25, the scrollwork 25B of scrollwork 23B and swing scroll 25 that fixed scroll 23 can be positioned at fixed scroll 23 is in whole circumferentially all discontiguous position.In this condition, screw 36 is carried out equably fastening, thus by fastening for fixed scroll 23 and be fixed on main frame 21 on the position of the best.
According to this structure, even if swing under scroll 25 is not easy the state of carrying out wobbling action in the impact and causing of the magnetic force due to rotor 39, by flowing into the pressurized gas in swing space 12 from tap hole 73, swing scroll 25 also can be made in the same manner as situation about not being magnetized with rotor 39 to carry out wobbling action.Thus, even if when made by external magnetisation rotor 39 magnetize after drive motor 13 to be arranged on chassis body 5 and carry out the centering of fixed scroll 23, also can with the precision equal with being fixed situation that scroll 23 feels relieved under the state be not magnetized at rotor 39, assemble fixed scroll and swing scroll.
As described above, according to applying embodiments of the present invention, can provide a kind of assembling method of scroll compression device 1, described scroll compression device 1 comprises in the inside of casing 3: have fixed scroll 23 and swing scroll 25 thus the scroll compression body 11 compressed refrigeration agent, and to be connected with scroll compression body 11 by live axle 15 and to 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, the rotor 39 of direct drive motor 13 is magnetized, and after rotor 39 magnetizes, the magnetic force after magnetization can be overcome and make swing scroll 25 carry out the pressurized gas of wobbling action, to flow in swing space 12 from tap hole 73, thus act on the discharge side of scroll compression body 11, swing scroll 25 is made to carry out wobbling action thus, after having carried out swinging the centering of scroll 25 and fixed scroll 23, fixed scroll 23 is positioned on main frame 21.Thus, the magnetic force of the rotor 39 after magnetization can be overcome and make swing scroll 25 carry out the pressurized gas of wobbling action, to flow in swing space 12 from tap hole 73, thus act on the discharge side of scroll compression body 11, wobbling action is carried out due to swing scroll 25 can be made, be fixed the centering of scroll 23, and fixed scroll 23 is positioned on main frame 21, therefore, even if rotor 39 is magnetized, also can with identical with during the state that rotor 39 is not magnetized, made swing scroll 25 carry out wobbling action by the pressure of pressurized gas, thus assembling fixed scroll 23 and swing scroll 25.Therefore, even if first carry out any one in the magnetization of rotor 39 or the centering of fixed scroll 25, the magnetization of rotor 39 and the centering of fixed scroll 25 can also be carried out.
In addition, according to applying embodiments of the present invention, rotor 39 repeats following operation and magnetizes: stop after making live axle 15 rotate predetermined angular, and apply voltage to the staor winding of drive motor 13, stop after again making live axle 15 rotate predetermined angular, and apply voltage.Thus, in the staor winding of stator coil 18 making formation stator 37, stream alives, and in stator iron core 37A, produce magnetic field thus under the magnetized situation of magnetized winding is carried out to rotor 39, after rotor 39 magnetizes, the magnetic force after magnetization can be overcome and make swing scroll 25 carry out the pressurized gas of wobbling action, to flow in swing space 12 from tap hole 73, thus act on the discharge side of scroll compression body 11, swing scroll 25 is made to carry out wobbling action thus, swing scroll 25 is made to carry out wobbling action by utilizing the pressure of pressurized gas, the centering of scroll 23 can be fixed thus.
In addition, according to applying embodiments of the present invention, before rotor 39 is assembled in direct drive motor 13, rotor 39 is first made to magnetize.Thus, before rotor 39 is assembled in direct drive motor 13, use outside magnetizing assembly that rotor 39 is magnetized, the magnetic force after magnetization can be overcome and make swing scroll 25 carry out the pressurized gas of wobbling action, to flow in swing space 12 from tap hole 73, thus act on the discharge side of scroll compression body 11, swing scroll 25 is made to carry out wobbling action thus, making swing scroll 25 carry out wobbling action by utilizing the pressure of pressurized gas, the centering of scroll 23 can be fixed thus.
In addition, according to applying embodiments of the present invention, can provide a kind of assembling method of scroll compression device 1, described scroll compression device 1 comprises in the inside of casing 3: have fixed scroll 23 and swing scroll 25 thus the scroll compression body 11 compressed refrigeration agent, and to be connected with scroll compression body 11 by live axle 15 and to 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, pressurized gas is made to act on the discharge side of scroll compression body 11 from tap hole 73, swing scroll 25 is made to carry out wobbling action thus, 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: stopping after making live axle 15 rotate predetermined angular, and voltage is applied to the winding of direct drive motor 13, stop after again making live axle 15 rotate predetermined angular, and apply voltage.Thus, act on the discharge side of scroll compression body 11 owing to making pressurized gas thus make swing scroll 25 carry out wobbling action, after being fixed the centering of scroll 23 and fixed scroll 23 is positioned at main frame 21, rotor 39 can be made to magnetize, therefore, when being fixed the centering of scroll 23, swing scroll 25 can be made to carry out wobbling action and the impact of the magnetic force of rotor 39 can not be subject to, and swing scroll 25 can be made by the pressure of pressurized gas to carry out wobbling action thus be fixed the centering of 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 (2)
1. an assembling method for scroll compression device, described scroll compression device comprises in the inside of casing: have fixed scroll and swing scroll thus the scroll compression body compressed refrigeration agent; And to be connected with described scroll compression body by live axle and drive described scroll compression body, by the d.c. motor of VFC,
The feature of the assembling method of described scroll compression device is,
Described scroll compression body is supported by described casing by main frame,
The rotor after the external magnetisation of described casing is inserted in the stator of the described d.c. motor on the internal face being supported in described casing,
And the pressurized gas magnetic force of the described rotor enabling described swing scroll overcome to be magnetized being carried out wobbling action along contrary direction during running with compressed refrigerant acts on the discharge side of described scroll compression body, carry out the centering of described swing scroll and described fixed scroll thus, thus described fixed scroll is positioned on described main frame.
2. a scroll compression device, it comprises in the inside of casing: have fixed scroll and swing scroll thus the scroll compression body compressed refrigeration agent; And to be connected with described scroll compression body by live axle and drive described scroll compression body, by the d.c. motor of VFC,
The feature of described scroll compression device is,
Described scroll compression body is supported by described casing by main frame,
The rotor after the external magnetisation of described casing is inserted in the stator of the described d.c. motor on the internal face being supported in described casing,
And the pressurized gas magnetic force of the described rotor enabling described swing scroll overcome to be magnetized being carried out wobbling action along contrary direction during running with compressed refrigerant acts on the discharge side of described scroll compression body, carry out the centering of described swing scroll and described fixed scroll thus, thus described fixed scroll is positioned on described main frame completes assembling.
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 | ||
| JP2011066920A JP2012202277A (en) | 2011-03-25 | 2011-03-25 | Scroll compression device |
| JP2011067051A JP5824668B2 (en) | 2011-03-25 | 2011-03-25 | Ring body holding jig and scroll compression device |
| JP2011-066920 | 2011-03-25 | ||
| JP2011-067051 | 2011-03-25 | ||
| JP2011066921A JP2012202278A (en) | 2011-03-25 | 2011-03-25 | Scroll compression device and magnetization method for the same |
| JP2011069123A JP2012202349A (en) | 2011-03-28 | 2011-03-28 | Scroll compression device, and assembling method therefor |
| JP2011-069123 | 2011-03-28 | ||
| 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 CN103429898A (en) | 2013-12-04 |
| CN103429898B true CN103429898B (en) | 2016-01-13 |
Family
ID=46878938
Family Applications (1)
| 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) |
Families Citing this family (3)
| 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 |
| WO2018198648A1 (en) * | 2017-04-26 | 2018-11-01 | 三菱電機株式会社 | Scroll compressor manufacturing method |
| GB2583371A (en) * | 2019-04-26 | 2020-10-28 | Edwards Ltd | Adjustable scroll pump |
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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 |
| CN1480695A (en) * | 2002-09-04 | 2004-03-10 | 日立空调***株式会社 | Refrigerator |
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| JP2005188519A (en) * | 2005-02-28 | 2005-07-14 | Sanyo Electric Co Ltd | Method of manufacturing scroll compressor |
| CN1698249A (en) * | 2003-03-07 | 2005-11-16 | 松下电器产业株式会社 | Magnetizing jig, magnetizing method using the jig, and method of assembling electric compressor by using the jig and the magnetizing method |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2004308445A (en) * | 2003-04-02 | 2004-11-04 | Denso Corp | Electric compressor |
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2011
- 2011-12-20 US US14/007,273 patent/US20140161649A1/en not_active Abandoned
- 2011-12-20 WO PCT/JP2011/079467 patent/WO2012127753A1/en active Application Filing
- 2011-12-20 CN CN201180069287.8A patent/CN103429898B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1480695A (en) * | 2002-09-04 | 2004-03-10 | 日立空调***株式会社 | Refrigerator |
| CN1698249A (en) * | 2003-03-07 | 2005-11-16 | 松下电器产业株式会社 | Magnetizing jig, magnetizing method using the jig, and method of assembling electric compressor by using the jig and the magnetizing method |
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| JP2009097417A (en) * | 2007-10-16 | 2009-05-07 | Mayekawa Mfg Co Ltd | Hermetically sealed scroll compressor and assembly method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012127753A1 (en) | 2012-09-27 |
| CN103429898A (en) | 2013-12-04 |
| US20140161649A1 (en) | 2014-06-12 |
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