WO2019207783A1 - Compresseur à spirale et son procédé de fabrication - Google Patents

Compresseur à spirale et son procédé de fabrication Download PDF

Info

Publication number
WO2019207783A1
WO2019207783A1 PCT/JP2018/017260 JP2018017260W WO2019207783A1 WO 2019207783 A1 WO2019207783 A1 WO 2019207783A1 JP 2018017260 W JP2018017260 W JP 2018017260W WO 2019207783 A1 WO2019207783 A1 WO 2019207783A1
Authority
WO
WIPO (PCT)
Prior art keywords
scroll
frame
base plate
fixed
recess
Prior art date
Application number
PCT/JP2018/017260
Other languages
English (en)
Japanese (ja)
Inventor
友寿 松井
岩崎　俊明
哲英 横山
祐司 ▲高▼村
雷人 河村
矢野　賢司
石園　文彦
優作 宮本
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201880092607.3A priority Critical patent/CN112005013B/zh
Priority to JP2020515446A priority patent/JP6910544B2/ja
Priority to PCT/JP2018/017260 priority patent/WO2019207783A1/fr
Publication of WO2019207783A1 publication Critical patent/WO2019207783A1/fr

Links

Images

Classifications

    • 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

Definitions

  • the present invention relates to a scroll compressor used for an air conditioner or a refrigerator, and a manufacturing method thereof.
  • scroll compressors are known as compressors used in air conditioners or refrigerators.
  • an outer wall protruding toward the fixed scroll is provided on the outer periphery of the frame, and the frame has a concave shape.
  • This scroll compressor is provided with an orbiting scroll in a recess of a frame.
  • this scroll compressor uses the outer wall of the outer peripheral portion of the frame to fix the frame and the fixed scroll by phasing them with a fixing member such as a bolt or a pin.
  • the present invention has been made to solve the above-described problems, and it is an object of the present invention to provide a scroll compressor and a method for manufacturing the same, which can increase the space in which the orbiting scroll is swung. .
  • a scroll compressor includes a fixed scroll having a fixed base plate provided with a first spiral protrusion and a swing base plate provided with a second spiral protrusion engaging the first spiral protrusion.
  • a swing scroll that forms a compression chamber for compressing refrigerant between the fixed scroll, a frame that supports the swing scroll in a swingable manner, the fixed scroll, the swing scroll, and the frame.
  • the frame is formed with a second recess formed at a position facing the first recess.
  • the fixed scroll and the frame are fixed to the inner wall surface of the main body shell, and the phase of the fixed scroll and the frame is determined using the first recess and the second recess.
  • Fixing members such as bolts or pins that phase and fix the fixed scroll can be omitted or simplified. Therefore, the scroll compressor of the present invention can omit the outer wall of the frame or can be thinned, so that the space where the orbiting scroll is swung can be increased.
  • FIG. 1 is a longitudinal sectional view showing the internal structure of a scroll compressor according to Embodiment 1 of the present invention.
  • FIG. 2 is a scroll compressor according to Embodiment 1 of the present invention, and is a schematic view showing an enlarged main part of the compression mechanism.
  • the scroll compressor 100 according to Embodiment 1 is one of components of a refrigeration cycle used in various industrial machines such as a refrigerator, a freezer, an air conditioner, a refrigeration apparatus, and a water heater.
  • the scroll compressor 100 sucks and compresses the refrigerant circulating in the refrigeration cycle and discharges it as a high-temperature and high-pressure state.
  • the scroll compressor 100 includes a compression mechanism unit in which a fixed scroll 3 and a swing scroll 4 that swings with respect to the fixed scroll 3 are combined in a main body shell 1 that forms an outer shell. 2 is provided. Further, the scroll compressor 100 includes an electric motor 7 inside the main body shell 1.
  • the main body shell 1 is formed in a cylindrical shape having a sealed space and has pressure resistance.
  • the main body shell 1 includes a cylindrical main shell 1a, a substantially hemispherical upper shell 1b that closes the upper surface opening of the main shell 1a, and a substantially hemispherical lower shell 1c that closes the lower surface opening of the main shell 1a. Yes.
  • the upper shell 1b and the lower shell 1c are fixed to the main shell 1a by welding or the like.
  • the side surface of the main body shell 1 is provided with a suction pipe 12 connected to take in the refrigerant into the main body shell 1 and a power supply unit 19 for supplying power to the scroll compressor 100.
  • a discharge pipe 13 that discharges the compressed refrigerant from the main body shell 1 is connected to the upper surface of the main body shell 1.
  • a frame 5 for swingably supporting the swing scroll 4 is fixed to the inner wall surface of the main shell 1a by shrink fitting or the like.
  • An oil sump 11 for storing lubricating oil is provided at the bottom of the main body shell 1.
  • the fixed scroll 3 is composed of a fixed base plate 3a and a first spiral protrusion 3b provided on the lower surface of the fixed base plate 3a.
  • the oscillating scroll 4 includes an oscillating base plate 4a and a second spiral protrusion 4b that is provided on the upper surface of the swing base plate 4a and meshes with the first spiral protrusion 3b.
  • the orbiting scroll 4 is installed eccentrically with respect to the fixed scroll 3.
  • a compression chamber 20 for compressing the refrigerant is formed by combining the first spiral protrusion 3 b of the fixed scroll 3 and the second spiral protrusion 4 b of the swing scroll 4.
  • the outer peripheral surface of the fixed base plate 3a is fixed to the inner wall surface of the main shell 1a by shrink fitting or the like.
  • the reason why the outer peripheral surface of the fixed base plate 3a is fixed to the inner wall surface of the main shell 1a is that the fixed scroll 3 can be shrink-fitted using the wide inner peripheral surface and outer peripheral surface of the main shell 1a, thereby improving workability. This is because, for example, the manufacturing process can be stabilized as compared with the case of shrink fitting in the upper shell 1b.
  • the fixed scroll 3 may shrink-fit the outer peripheral surface of the fixed base plate 3a to the inner wall surface of the upper shell 1b.
  • a discharge port 14 is formed in the central portion of the fixed base plate 3a to discharge the refrigerant that has been compressed to a high temperature and a high pressure.
  • the compressed high-temperature and high-pressure refrigerant is discharged from the discharge port 14 to the high-pressure chamber 15 above the fixed scroll 3, passes through the discharge pipe 13, and is discharged outside the main body shell 1.
  • the discharge port 14 is provided with a discharge valve 16 that prevents the refrigerant from flowing backward.
  • a phase determining member 9 used for assembling phase is inserted into the fixed base plate 3a of the fixed scroll 3 on the surface facing the frame 5 (the lower surface in the illustrated example).
  • the 1st recessed part 8a for doing is formed.
  • the 1st recessed part 8a is formed in the outer side of radial direction rather than the area
  • the illustrated first recess 8a is shown as a through hole, the first recess 8a is not limited to the through hole, and may have a structure in which the upper surface is closed.
  • the phase determining member 9 is a pin, for example.
  • the orbiting scroll 4 performs a revolving motion without rotating with respect to the fixed scroll 3 by an Oldham ring 17 for preventing the rotating motion.
  • the surface of the swing base plate 4a on the side where the second spiral protrusion 4b is not formed acts as the swing scroll thrust bearing surface 40.
  • a hollow cylindrical boss 41 is provided at the center of the orbiting scroll thrust bearing surface 40. The orbiting scroll 4 revolves on the thrust sliding surface of the frame 5 as the eccentric shaft portion 6a of the main shaft 6 inserted into the boss portion 41 rotates.
  • an Oldham claw protruding upward is slidably accommodated in an Oldham groove formed in the orbiting scroll thrust bearing surface 40 of the orbiting scroll 4, and the Oldham claw protruding downward is a frame. 5 is configured so as to be slidable in the Oldham keyway formed in 5.
  • the frame 5 is formed in a cylindrical shape that tapers downward in a stepwise manner, and supports the swing scroll 4 so as to be swingable.
  • An annular flat surface is formed on the upper surface of the frame 5.
  • a ring-shaped thrust plate 50 made of a steel plate material such as valve steel is provided.
  • the thrust plate 50 functions as a thrust sliding surface of the frame 5.
  • the frame 5 is formed with a protruding wall portion 51 protruding toward the upper shell 1b side on the outer periphery of the flat surface.
  • the upper surface of the projecting wall portion 51 is the upper end surface of the frame 5.
  • the protruding wall 51 is formed so that the upper surface thereof is substantially flush with the upper surface of the thrust plate 50. Note that the end surface on the side that supports the orbiting scroll 4 is not limited to the upper surface of the illustrated protruding wall portion 51, and may be the upper surface of another component.
  • Frame 5 is spaced S 1 goal between the upper surface of the protruding wall portion 51 is an end on the side that supports the swing scroll 4 and the fixed base plate 3a. That is, the fixed base plate 3a of the fixed scroll 3 and the upper end surface of the frame 5 are not joined, and the fixed scroll 3 and the frame 5 are not in direct contact.
  • a second recess 8 b is formed in the projecting wall portion 51, which is a position facing the first recess 8 a and into which the phase determining member 9 common to the first recess 8 a is inserted.
  • a main bearing 60 that supports the main shaft 6 that is rotationally driven by the electric motor 7 in the radial direction is formed at the center of the frame 5.
  • An oil return pipe 52 is inserted and fixed to the frame 5 in a discharge hole formed through the inside and outside.
  • the oil return pipe 52 is a pipe for returning the lubricating oil collected in the cylinder of the frame 5 to the oil sump 11.
  • the electric motor 7 includes an annular stator 7a that is fixedly supported on the inner wall surface of the main body shell 1 by shrink fitting or the like, and a rotor 7b that is rotatably attached to the inner surface of the stator 7a. ing.
  • the electric motor 7 drives the compression mechanism part 2 connected via the main shaft 6.
  • the main shaft 6 is rotatably supported by a main bearing 60 provided in the center portion of the frame 5 and a sub bearing 62 provided in the center portion of the sub frame 61 fixed to the lower portion of the body shell 1 by welding or the like.
  • An eccentric shaft portion 6 a that is rotatably supported by the boss portion 41 of the orbiting scroll 4 is provided at the upper end portion of the main shaft 6.
  • the eccentric shaft portion 6a is engaged with the orbiting scroll 4 on an eccentric shaft that is eccentric from the rotating shaft.
  • the main shaft 6 rotates with the rotation of the rotor 7b, and the swinging scroll 4 is turned by the eccentric shaft portion 6a.
  • the sub frame 61 is provided with an oil pump 61a. The lubricating oil sucked by the oil pump 61a is sent to each sliding portion through an oil supply hole 63 formed in the main shaft 6.
  • the main shaft 6 is provided with a slider 18 with a balance weight.
  • the balance weight is provided to cancel out the centrifugal force of the swing scroll 4 generated by the swing motion.
  • the balance weight is disposed on the side opposite to the direction of the centrifugal force acting on the swing scroll 4.
  • the scroll compressor 100 can reduce the pressing of the second spiral protrusion 4b against the first spiral protrusion 3b by the balance weight.
  • the slider 18 is rotatably inserted into the boss portion 41.
  • An eccentric shaft portion 6 a is inserted into the slide surface of the slider 18. That is, the slider 18 is interposed between the orbiting scroll 4 and the eccentric shaft portion 6a of the main shaft 6 so that the orbiting radius of the orbiting scroll 4 can be changed and the orbiting scroll 4 can be revolved. To do.
  • the suction refrigerant sucked from the suction pipe 12 enters the compression chamber 20 through a suction port (not shown) provided in the frame 5.
  • the orbiting scroll 4 performs an eccentric turning motion by the eccentric shaft portion 6 a of the main shaft 6 that is rotated by the electric motor 7.
  • the orbiting scroll 4 performs a revolving motion by preventing rotation by the Oldham ring 17.
  • the volume of the compression chamber 20 becomes small gradually, and a refrigerant
  • the compressed refrigerant is discharged from the discharge port 14 of the fixed base plate 3 a to the high-pressure chamber 15 and discharged to the outside of the main body shell 1 through the discharge pipe 13.
  • the scroll compressor 100 has a structural limit on the volume of the compression chamber 20 that compresses the refrigerant.
  • a compression chamber 20 is formed inside a cylindrical frame 5 fixed to the inner wall surface of the main body shell 1. Since the scroll compressor 100 is designed so that the orbiting scroll 4 is accommodated inside the cylinder of the frame 5, a physical spiral volume limit is generated.
  • the volume of the compression chamber 20 is determined by the second spiral protrusion 4b provided on the swing base plate 4a. Therefore, when the outer diameter of the swinging base plate 4a is small, the second spiral protrusion 4b is also small, and the volume of the compression chamber 20 is also small.
  • the outer diameter of the swing base plate 4a may be designed to be large.
  • the outer diameter of the swing base plate 4 a is determined by the inner diameter inside the cylinder of the frame 5. Therefore, a target distance S between the fixed base plate 3a of the fixed scroll 3 and the upper end surface of the frame 5 is set so that the outer diameter of the orbiting scroll 4 can be maximized up to the vicinity of the inner wall of the main body shell 1.
  • a configuration in which 1 is provided is conceivable. However, in this case, it is necessary to fix the fixed scroll 3 to the inner wall surface of the main body shell 1 without bonding the fixed base plate 3a and the frame 5 with a bonding member. It was a problem to secure.
  • the spiral design is a compression portion design, and the meshing of the spiral protrusions provided on the fixed scroll 3 and the orbiting scroll 4 needs to be highly accurate.
  • the phase of the spiral protrusions is phased by a phase determining pin as used in a conventional scroll compressor.
  • the orbiting scroll 4 revolves, it is difficult to phase out the fixed scroll 3 and the direct phasing pin. Therefore, the general structure is that the rocking scroll 4 and the frame 5 are engaged by the Oldham ring 17, the fixed scroll 3 and the frame 5 are fixed by the phasing pin, and indirectly the fixed scroll 3 and the rocking scroll. 4 phase out.
  • the structure for determining the rotational phase of two parts is most easily assembled with the structure in which the rotational phase is determined at one location with a fulcrum as the fulcrum. That is, the structure is positioned at two locations. If the fixed scroll 3 and the frame 5 are fixed to the inner wall surface of the main body shell 1, it becomes difficult to apply the conventional method of inserting two phasing pins between the fixed scroll 3 and the frame 5. After the phase of the fixed scroll 3 and the frame 5 is determined, the conventional method in which the fixed scroll 3 is bolted and fixed to the frame 5 is fixed according to the center of the two pins and the inner wall of the main body shell 1. This is because it is necessary to have machining accuracy that matches the center of the outer diameter of the fixed scroll 3.
  • the fixed scroll 3 is fixed to the inner wall surface of the main body shell 1, and the target is between the end surface on the side where the frame 5 supports the orbiting scroll 4 and the fixed base plate 3 a. They are arranged at intervals S 1 of. That is, the scroll compressor 100 is configured such that the fixed base plate 3 a of the fixed scroll 3 and the upper end surface of the frame 5 are not joined. Therefore, since the outer diameter of the swing base plate 4a is not limited by the inner diameter of the frame 5, the scroll compressor 100 uses the outer diameter of the swing base plate 4a as the design space of the second spiral protrusion 4b. It can be expanded to the vicinity.
  • the scroll compressor 100 can be designed so that the volume of the compression chamber 20 is large, and the maximum horsepower can be increased. Further, by adopting a configuration in which the fixed base plate 3a of the fixed scroll 3 and the upper end surface of the frame 5 are not joined, the outer wall surface of the frame 5 provided for joining to the fixed base plate 3a can be omitted. Therefore, the material cost can be reduced and the weight can be reduced.
  • the first recess 8a is formed in the fixed scroll 3, and the second recess 8b is formed in the frame 5 at a position facing the first recess 8a.
  • a pin that is a common phasing member 9 can be inserted by using the concave portion 8b, and assembly phasing can be performed. That is, the scroll compressor 100 expands the outer diameter of the swing base plate 4a to the vicinity of the inner wall of the body shell 1 as a design space for the second spiral protrusion 4b while ensuring the phase accuracy between the fixed scroll 3 and the frame 5. Therefore, the volume of the compression chamber 20 can be increased.
  • FIG. 3 is a schematic diagram illustrating the scroll compressor according to Embodiment 1 of the present invention, in which the phase determining member inserted into the first recess is extracted.
  • the method for manufacturing the scroll compressor according to Embodiment 1 includes a frame fixing step for fixing the frame 5 to the inner wall surface of the main shell 1a, and a first recess after the frame fixing step.
  • a phasing process for inserting the phasing member 9 into the second recess 8b and phasing the fixed scroll 3 and the frame 5, and after the phasing process, the fixed base plate 3a is attached to the inner wall surface of the main shell 1a.
  • the first concave portion 8a is fixed.
  • the phase determining member 9 is inserted into the second recess 8b to determine the phase of the fixed scroll 3 and the frame 5.
  • the phase determining member 9 is a pin, for example.
  • the outer peripheral surface of the fixed base plate 3a is fixed to the inner wall surface of the main shell 1a by shrink fitting or the like. In this manner, the rotational phase between the fixed scroll 3 and the frame 5 is determined. As shown in FIG.
  • the pin which is the phasing member 9 is pulled out from the first recess 8a and the second recess 8b after the outer peripheral surface of the fixed base plate 3a is fixed to the inner wall surface of the main shell 1a.
  • the pin which is the phasing member 9 may be inserted into the first recess 8a and the second recess 8b as shown in FIG.
  • the swinging scroll 4 can be enlarged by extracting the phasing member 9 from the first recess 8a and the second recess 8b.
  • the phase determining member 9 is configured to be extracted from the first concave portion 8a and the second concave portion 8b
  • the first concave portion 8a is a spiral tooth that is an area where the first spiral protrusion portion 3b of the fixed base plate 3a is provided. It can be formed in the inner region.
  • a sealing member (not shown) that suppresses the flow of the refrigerant through the first recess 8a is used as the first recess. It is good to provide in 8a.
  • the sealing member may be formed by extracting the phasing member 9 from the second recess 8b and retaining it inside the first recess 8a.
  • FIG. 4 is a scroll compressor according to the second embodiment of the present invention, and is a schematic diagram illustrating an enlarged main part of the compression mechanism.
  • symbol is attached
  • the scroll compressor 100 forms the first recess 8a in the fixed base plate 3a, the second recess 8b in the frame 5, and the phase determining member 9 common to the first recess 8a and the second recess 8b.
  • the phase accuracy between the fixed scroll 3 and the frame 5 can be increased.
  • the upper end surface of the frame 5 in which the second recess 8b is formed and the fixed base plate 3a are too far apart and the length of the phase determining member 9 is increased, the phase shift distance may increase and the phase accuracy may decrease. There is. The reason is that, for example, when the allowance between the pin and the first recess 8a and the gap are the same size as the conventional one, the inclination angle is constant, but the phase shift distance increases as the pin length increases.
  • the fixed scroll 3 of the scroll compressor 101 is provided with a land portion 30 protruding from the fixed base plate 3a toward the frame 5 and having the first recess 8a formed therein.
  • the frame 5 is formed with a second recess 8b at a position facing the first recess 8a.
  • a pin is fitted into the first concave portion 8a and the second concave portion 8b as the phasing member 9 used for assembling phasing. That is, in the scroll compressor 100, by providing the land portion 30 on the fixed base plate 3a, the length of the phasing member 9 can be shortened, so that the phase shift can be suppressed, and the fixed scroll 3 and the frame 5 can be suppressed. And the phase accuracy can be improved.
  • the land portion 30, between the upper end surface of the frame 5, is provided with an interval S 2 or the thickness of the oscillating base plate 4a. That is, the outer diameter of the swing base plate 4 a can be expanded to a position adjacent to the phasing member 9.
  • the swing base plate 4 a may be configured such that a part of the swing base plate 4 is always inserted between the land portion 30 and the frame 5 in the revolving motion of the swing scroll 4.
  • the configuration may be such that the portion enters at least once per revolution. Therefore, the scroll compressor 100 expands the outer diameter of the swing base plate 4a to the vicinity of the inner wall of the main shell 1 as a design space for the second spiral protrusion 4b while ensuring the phase accuracy between the fixed scroll 3 and the frame 5. Therefore, the volume of the compression chamber 20 can be increased, and the maximum horsepower can be increased.
  • the land portion 30 may be provided only in the portion where the phase determining member 9 is provided. However, in consideration of the rigidity of the fixed scroll 3 and the workability when the fixed scroll 3 is manufactured, the land portion 30 is provided on the outer peripheral edge of the fixed scroll 3. It is desirable to provide the entire circumference along.
  • FIG. 5 is a modified example of the scroll compressor according to Embodiment 2 of the present invention, and is a schematic view showing an enlarged main part of the compression mechanism.
  • FIG. 6 is a modification of the scroll compressor according to Embodiment 2 of the present invention, and is a schematic view showing a state where the phase determining member inserted into the first recess and the second recess is extracted.
  • the scroll compressor 101 shown in FIG. 5 has a configuration in which the first recess 8 a is a through hole that penetrates the fixed base plate 3 a and the land portion 30. That is, in the scroll compressor 101 shown in FIG.
  • the phasing member 9 fitted in the first recess 8 a and the second recess 8 b is used to determine the phase of the fixed scroll 3 and the frame 5 and then the first recess 8 a. And it can extract from the 2nd recessed part 8b.
  • the phasing member 9 is inserted into the first recess 8a and the second recess 8b, and the fixed scroll 3 Phase determination with frame 5 is performed.
  • the phase determining member 9 is, for example, a pin.
  • the phasing member 9 is removed from the first recess 8a and the second recess 8b as shown in FIG. In this manner, the rotational phase between the fixed scroll 3 and the frame 5 is determined.
  • the phasing member 9 may be kept inserted without being extracted from the first recess 8 a and the second recess 8 b.
  • FIG. 7 is a scroll compressor according to Embodiment 3 of the present invention, and is a schematic diagram showing an enlarged main part of the compression mechanism.
  • symbol is attached
  • Land portions 30 in the third embodiment, between the upper end surface of the frame 5, is provided at a small spacing S 3 than the thickness of the oscillating base plate 4a.
  • the orbiting scroll 4 is formed with a thin portion 42 that enters a gap provided between the land portion 30 and the frame 5.
  • the swing base plate 4a may have a configuration in which the thin portion 42 is always inserted between the land portion 30 and the frame 5 in the revolving motion of the swing scroll 4, or between the land portion 30 and the frame 5, The thin portion 42 may enter at least once per revolution.
  • this scroll compressor 102 the upper end surface of the frame 5 and the lower end surface of the land portion 30 are close to each other, so that the length of the phasing member 9 can be shortened and the phase shift is effectively suppressed. Phase accuracy can be improved. Further, in this scroll compressor 102, only the range located in the land portion 30 in the revolving motion of the orbiting scroll 4 is the thin portion 42, so that the orbiting base plate 4 a as a whole is positioned up to a position adjacent to the phasing member 9. Can be enlarged. Therefore, the volume of the compression chamber 20 can be increased and the maximum horsepower can be increased.
  • the land portion 30 may be provided only in the portion where the phase determining member 9 is provided. However, in consideration of the rigidity of the fixed scroll 3 and the workability when manufacturing the fixed scroll 3, It is desirable to provide the entire circumference along.
  • FIG. 8 is a scroll compressor according to the fourth embodiment of the present invention, and is a schematic diagram illustrating the compression mechanism portion in a plan view.
  • the same components as those of the scroll compressor described in the first to third embodiments are denoted by the same reference numerals, and the description thereof is omitted as appropriate.
  • the swing scroll 4 of the scroll compressor has a swing base plate 4a having a portion where the second spiral protrusion portion 4b is erected and a portion which becomes the revolution locus of the first spiral protrusion portion 3b. That's fine.
  • the swing base plate 4a does not have to be substantially circular in plan view.
  • a straight line connecting the center portion O of the orbiting scroll 4 and the outer end portion 4c of the second spiral protrusion 4b is defined as the X axis
  • the center portion O of the orbiting base plate 4a and The straight line perpendicular to the X axis is defined as the Y axis
  • the X axis and the Y axis are divided into four quadrants A to D.
  • the swing base plate 4a of the swing scroll 4 that is not used as the compression mechanism section 2 has the second quadrant B and the third quadrant adjacent to the first quadrant A, where the first quadrant A includes the outer end 4c. Quadrant C. That is, the rocking scroll 4 is not functionally problematic in compressing the refrigerant even if the second quadrant B and the third quadrant C are notched.
  • the notch portion is formed in the swing base plate 4 a located in the second quadrant B and the third quadrant C adjacent to the first quadrant A. 43 and 44 are formed.
  • the land portion 30 is located in the second quadrant B when projected onto the XY plane composed of the X axis and the Y axis.
  • the land portion 30 may be located in the third quadrant C when projected onto the XY plane composed of the X axis and the Y axis.
  • Embodiment 1 when the phasing member 9 is projected onto the XY plane composed of the X axis and the Y axis, it is positioned in the second quadrant B or the third quadrant C. Suppose you are.
  • the scroll compressor 103 in the scroll compressor 103 according to the fourth embodiment, the part of the swing base plate 4a where the second spiral protrusion part 4b is erected and the part which becomes the revolution locus of the first spiral protrusion part 3b are used as the second spiral protrusion.
  • the design space of the portion 4b can be expanded to the vicinity of the inner wall of the body shell 1. Therefore, the scroll compressor 103 can increase the volume of the compression chamber 20 and can increase the maximum horsepower.
  • FIG. 8 shows a configuration in which the cutout portions 43 and 44 are formed in the second quadrant B and the third quadrant C adjacent to the first quadrant A.
  • FIG. A notch may be formed in at least one quadrant.
  • the land portion 30 is provided at a position corresponding to the formed notch portion.
  • FIG. 9 is a schematic diagram showing a configuration in which a parallel key is used as a phasing member.
  • the second recess 8b may be a key groove
  • the phase determining member 10 may be a parallel key that fits into the first recess 8a and the second recess 8b.
  • the parallel key is attached to the pin or formed integrally with the pin. Having a parallel key allows phasing with a single pin.
  • the parallel key that is the phase determining member 10 has been described based on the fourth embodiment for convenience of explanation, but is not limited to this, and can be applied to the configurations of the first to third embodiments.
  • the present invention includes a range of design changes and application variations usually made by those skilled in the art without departing from the technical idea thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

La présente invention concerne un compresseur à spirale comprenant : une spirale fixe dotée d'une plaque de base fixe comprenant une première saillie en spirale ; une spirale orbitale qui forme, entre la spirale orbitale et la spirale fixe, une chambre de compression destinée à comprimer un fluide frigorigène, et qui est dotée d'une plaque de base comprenant une seconde saillie en spirale qui s'adapte à la première saillie en spirale ; un cadre qui supporte la spirale orbitale d'une manière librement orbitale ; et une coque de corps qui accueille la spirale fixe, la spirale orbitale et le cadre. La spirale fixe et le cadre sont fixés à une surface de paroi interne de la coque de corps. Un premier évidement est formé dans une surface de la plaque de base fixe, sur un côté faisant face au cadre. Un second évidement est formé, dans le cadre, à une position faisant face au premier évidement.
PCT/JP2018/017260 2018-04-27 2018-04-27 Compresseur à spirale et son procédé de fabrication WO2019207783A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880092607.3A CN112005013B (zh) 2018-04-27 2018-04-27 涡旋压缩机及其制造方法
JP2020515446A JP6910544B2 (ja) 2018-04-27 2018-04-27 スクロール圧縮機及びその製造方法
PCT/JP2018/017260 WO2019207783A1 (fr) 2018-04-27 2018-04-27 Compresseur à spirale et son procédé de fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/017260 WO2019207783A1 (fr) 2018-04-27 2018-04-27 Compresseur à spirale et son procédé de fabrication

Publications (1)

Publication Number Publication Date
WO2019207783A1 true WO2019207783A1 (fr) 2019-10-31

Family

ID=68295142

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/017260 WO2019207783A1 (fr) 2018-04-27 2018-04-27 Compresseur à spirale et son procédé de fabrication

Country Status (3)

Country Link
JP (1) JP6910544B2 (fr)
CN (1) CN112005013B (fr)
WO (1) WO2019207783A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112021005945T5 (de) 2020-11-10 2023-09-07 Mitsubishi Electric Corporation Scrollverdichter und Verfahren zum Zusammenbauen eines Scrollverdichters

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6056524A (en) * 1997-12-12 2000-05-02 Scroll Technologies Scroll compressor assembly
WO2005038254A2 (fr) * 2003-10-17 2005-04-28 Matsushita Electric Ind Co Ltd Compresseur a carter spirale
US20060159579A1 (en) * 2005-01-20 2006-07-20 Skinner Robin G Motor-compressor unit mounting arrangement for compressors
JP2011047368A (ja) * 2009-08-28 2011-03-10 Sanyo Electric Co Ltd スクロール圧縮機
JP2015209767A (ja) * 2014-04-24 2015-11-24 パナソニックＩｐマネジメント株式会社 スクロール圧縮機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101614205A (zh) * 2009-07-15 2009-12-30 大连三洋压缩机有限公司 一种涡旋式压缩机
CN205383078U (zh) * 2016-01-28 2016-07-13 珠海格力节能环保制冷技术研究中心有限公司 涡旋压缩机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6056524A (en) * 1997-12-12 2000-05-02 Scroll Technologies Scroll compressor assembly
WO2005038254A2 (fr) * 2003-10-17 2005-04-28 Matsushita Electric Ind Co Ltd Compresseur a carter spirale
US20060159579A1 (en) * 2005-01-20 2006-07-20 Skinner Robin G Motor-compressor unit mounting arrangement for compressors
JP2011047368A (ja) * 2009-08-28 2011-03-10 Sanyo Electric Co Ltd スクロール圧縮機
JP2015209767A (ja) * 2014-04-24 2015-11-24 パナソニックＩｐマネジメント株式会社 スクロール圧縮機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112021005945T5 (de) 2020-11-10 2023-09-07 Mitsubishi Electric Corporation Scrollverdichter und Verfahren zum Zusammenbauen eines Scrollverdichters

Also Published As

Publication number Publication date
CN112005013A (zh) 2020-11-27
CN112005013B (zh) 2022-04-19
JPWO2019207783A1 (ja) 2021-02-12
JP6910544B2 (ja) 2021-07-28

Similar Documents

Publication Publication Date Title
KR102027695B1 (ko) 스크롤 압축기
EP3135914B1 (fr) Compresseur à spirales
JP2003269346A (ja) スクロール型流体機械
CN107002676A (zh) 电动涡旋压缩机
JP2012052527A (ja) スクロール型流体機械
JP6719676B2 (ja) スクロール圧縮機
JP2008133816A (ja) 回転式流体機械
WO2019207783A1 (fr) Compresseur à spirale et son procédé de fabrication
JP6745913B2 (ja) 圧縮機
JPWO2017158665A1 (ja) スクロール圧縮機
CN108368847B (zh) 涡旋压缩机
JPH0737794B2 (ja) スクロール型圧縮装置
JP2609839B2 (ja) スクロール型圧縮装置
JP2005140064A (ja) 電動圧縮機
JP6582244B2 (ja) スクロール圧縮機
JP6320575B2 (ja) 電動圧縮機
JP7395004B2 (ja) スクロール圧縮機
KR100341273B1 (ko) 스크롤형 압축기의 압력분리판 지지구조
KR20180094056A (ko) 스크롤 압축기
WO2023105562A1 (fr) Compresseur à spirale
JP3950548B2 (ja) ヘリカルブレード式圧縮機
JP2006329156A (ja) 回転式圧縮機
JPH11132173A (ja) 流体圧縮機
KR101708308B1 (ko) 밀폐형 압축기 및 그의 제조방법
JP2008163835A (ja) 回転式流体機械

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18916235

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020515446

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18916235

Country of ref document: EP

Kind code of ref document: A1