WO2017187828A1 - Compresseur hermétique et dispositif à cycle de réfrigération - Google Patents

Compresseur hermétique et dispositif à cycle de réfrigération Download PDF

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Publication number
WO2017187828A1
WO2017187828A1 PCT/JP2017/010585 JP2017010585W WO2017187828A1 WO 2017187828 A1 WO2017187828 A1 WO 2017187828A1 JP 2017010585 W JP2017010585 W JP 2017010585W WO 2017187828 A1 WO2017187828 A1 WO 2017187828A1
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WO
WIPO (PCT)
Prior art keywords
hermetic compressor
tube body
layer
refrigerant
multilayer tube
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2017/010585
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English (en)
Japanese (ja)
Inventor
哲永 渡辺
祐大 長谷川
藤田　忍
公平 石井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carrier Japan Corp
Original Assignee
Toshiba Carrier Corp
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 Toshiba Carrier Corp filed Critical Toshiba Carrier Corp
Priority to CN201780026024.6A priority Critical patent/CN109072896B/zh
Priority to JP2018514188A priority patent/JP6617196B2/ja
Publication of WO2017187828A1 publication Critical patent/WO2017187828A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Definitions

  • Embodiments according to the present invention relate to a hermetic compressor and a refrigeration cycle apparatus.
  • a motor includes a lead wire that connects a stator winding to a sealed terminal for power supply and an insulating tube that surrounds the lead wire.
  • the insulating tube has a single layer structure in which a film is spirally wound or a multilayer structure of two or more layers.
  • the hermetic compressor used in the refrigeration cycle apparatus includes a motor and a compression mechanism housed in a hermetic case. Lubricating oil for lubricating the compression mechanism is enclosed in the sealed case.
  • This hermetic compressor sucks refrigerant into the compression mechanism, compresses the sucked refrigerant with the compression mechanism, discharges high-temperature and high-pressure refrigerant from the compression mechanism into the sealed case, and discharges high-temperature and high-pressure refrigerant into the sealed case.
  • This hermetic compressor sucks refrigerant into the compression mechanism, compresses the sucked refrigerant with the compression mechanism, discharges high-temperature and high-pressure refrigerant from the compression mechanism into the sealed case, and discharges high-temperature and high-pressure refrigerant into the sealed case.
  • the hermetic compressor is provided with a sealed terminal for power supply provided in a hermetic case.
  • the lead wire of the motor is wired in a sealed case and connected to the sealed terminal.
  • the lead wire of the motor of the hermetic compressor is exposed to an environment where high-temperature and high-pressure refrigerant in the hermetic case and lubricating oil heated by the high-temperature and high-pressure refrigerant exist.
  • the lead wire covering or the assembly member is required to be compatible with the environment exposed to the refrigerant and the lubricating oil.
  • the lead wire of the motor of the hermetic compressor and the assembly member thereof are required to have appropriate strength from the viewpoint of workability and handling in the compressor assembly work.
  • conventional motor insulation tubes do not take into account their suitability for environments exposed to refrigerants and lubricants in sealed cases.
  • the insulating tube of the conventional motor is obtained by simply winding a film in a spiral shape. Therefore, when the insulation tube of the conventional motor is pulled (stretched) in the longitudinal direction, the spiral is unwound. That is, the insulation tube of the conventional motor does not have sufficient tensile strength.
  • the present invention proposes a hermetic compressor and a refrigeration cycle apparatus that are suitable for an environment exposed to a refrigerant and a lubricating oil and that have a lead wire covering or a lead wire assembly member that has a high tensile strength.
  • a hermetic compressor is used for compression of a single refrigerant of R32 (difluoromethane) or a mixed refrigerant containing more than 20 mass percent of R32, and an epoxy.
  • a hermetic case In a hermetic compressor using a lubricating oil containing an ester-based synthetic oil to which a group-containing compound and a phenolic antioxidant are added, a hermetic case, and the single refrigerant or the mixture disposed in the hermetic case
  • a compression mechanism capable of compressing the refrigerant; an electric motor that drives the compression mechanism; a sealing terminal provided in the sealing case; a plurality of lead wires that are drawn from the motor and connected to the sealing terminal;
  • An assembly member that bundles lead wires, and the assembly member is a multilayer tube body in which three or more layers of tubes in which an insulating film is spirally wound are overlapped, The outermost layer of the multilayer tube body has an overlap portion of each other the insulating film, at least one layer of material of the intermediate layer of the multilayered tube body is aramid paper.
  • the hermetic compressor according to the embodiment of the present invention is used for compression of a single refrigerant of R32 (difluoromethane) or a mixed refrigerant containing more than 20 mass percent of R32, and an ester group-containing compound and phenol.
  • a hermetic compressor using a lubricating oil containing an ester-based synthetic oil to which a system antioxidant is added a hermetic case and the single refrigerant or the mixed refrigerant disposed in the hermetic case can be compressed
  • the hermetic compressor according to the embodiment of the present invention is used for compression of a single refrigerant of R32 (difluoromethane) or a mixed refrigerant containing more than 20 mass percent of R32, and an ester group-containing compound and phenol.
  • a hermetic case and the single refrigerant or the mixed refrigerant disposed in the hermetic case can be compressed
  • a compression mechanism, an electric motor that drives the compression mechanism, a sealing terminal provided in the sealing case, a plurality of lead wires that are drawn from the motor and connected to the sealing terminal, and a set that bundles the plurality of lead wires A multi-layer tube body in which three or more layers of a tube in which an insulating film is spirally wound are overlapped with each other. There, the outermost layer of the multilayered tube body has an overlap portion of each other the insulating film, at least one layer of material of the intermediate layer of the multilayered tube body is aramid paper.
  • the material of the insulating film other than the one layer composed of the aramid paper of the multilayer tube body of the hermetic compressor according to the embodiment of the present invention is at least polyethylene terephthalate, polyethylene naphthalate, polyimide, polyphenylene sulfide, and aramid paper. Any one is preferred.
  • the multilayer tube body of the hermetic compressor according to the embodiment of the present invention preferably has a three-layer structure in which the outermost tube and the innermost tube material are the polyethylene naphthalate.
  • the multilayer tube body of the hermetic compressor according to the embodiment of the present invention preferably has an adhesive layer of a urethane-based adhesive that adheres adjacent tubes.
  • the refrigeration cycle apparatus includes the hermetic compressor, a radiator, an expansion device, a heat absorber, the hermetic compressor, the heat radiator, the expansion device, and the heat absorber. And a refrigerant pipe for circulating the refrigerant.
  • FIG. 1 is a schematic diagram of a refrigeration cycle apparatus according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a refrigeration cycle apparatus according to an embodiment of the present invention.
  • the refrigeration cycle apparatus 1 includes a hermetic compressor 2, a radiator 3, an expansion device 5, a heat absorber 6, an accumulator 7, and a refrigerant pipe 8. I have.
  • the refrigerant pipe 8 circulates the refrigerant by sequentially connecting the hermetic compressor 2, the radiator 3, the expansion device 5, the heat absorber 6, and the accumulator 7.
  • the refrigerant circulating through the refrigeration cycle apparatus 1 is a single refrigerant of R32 (difluoromethane) or a mixed refrigerant containing more than 20 mass percent of R32.
  • the hermetic compressor 2 sucks and compresses the refrigerant that has passed through the heat absorber 6 through the refrigerant pipe 8, and discharges the high-temperature and high-pressure refrigerant to the radiator 3 through the refrigerant pipe 8.
  • the hermetic compressor 2 includes a vertically-arranged cylindrical hermetic case 15, an electric motor 16 disposed in the upper half of the hermetic case 15, and a compression mechanism 17 disposed in the lower half of the hermetic case 15.
  • a rotating shaft 18 that transmits the rotational driving force of the electric motor 16 to the compression mechanism 17, a main bearing 21 that rotatably supports the rotating shaft 18, and a rotating shaft 18 that supports the rotating shaft 18 in cooperation with the main bearing 21.
  • a sub-bearing 22 is a sub-bearing 22.
  • the sealed case 15 includes a cylindrical barrel extending in the vertical direction, and a hemispherical or elliptical end plate closing the upper and lower ends of the barrel.
  • a discharge pipe 8 a for discharging refrigerant is connected to the upper end plate of the sealed case 15.
  • the discharge pipe 8 a is connected to the refrigerant pipe 8. Further, the end plate of the sealed case 15 is provided with a sealed terminal 23 for supplying power.
  • the electric motor 16 generates a driving force for rotating the compression mechanism 17.
  • the electric motor 16 is, for example, a DC brushless motor.
  • the electric motor 16 includes a stator 25 fixed to the inner wall of the hermetic case 15, a rotor 26 surrounded by the stator 25 and provided on the rotary shaft 18, and drawn from the stator 25 and connected to the sealing terminal 23. A plurality of lead wires 28.
  • the lead wire 28 is a wiring for supplying electric power to the stator 25 through the sealing terminal 23, and is a so-called lead wire.
  • the number of lead wires 28 varies depending on the type of the electric motor 16.
  • a plurality of lead wires 28 are wired.
  • the plurality of lead lines 28 are three lead lines 28a, 28b, and 28c.
  • a plurality of lead wires 28, that is, lead wires 28 a, 28 b, 28 c are bundled by a collective member 29.
  • the rotating shaft 18 connects the electric motor 16 and the compression mechanism 17 to each other.
  • the rotating shaft 18 transmits the driving force generated by the electric motor 16 to the compression mechanism 17.
  • the intermediate portion 18 a of the rotary shaft 18 connects the electric motor 16 and the compression mechanism 17 and is rotatably supported by the main bearing 21.
  • a lower end portion 18 b of the rotating shaft 18 is rotatably supported by the sub bearing 22.
  • the main bearing 21 and the auxiliary bearing 22 are also part of the compression mechanism 17 and sandwich the compression mechanism 17 therebetween.
  • the rotating shaft 18 passes through the compression mechanism 17.
  • the rotary shaft 18 includes an eccentric portion 31 between an intermediate portion 18a supported by the main bearing 21 and a lower end portion 18b supported by the sub bearing 22.
  • the eccentric portion 31 is a disk or a cylinder having a centroid that does not coincide with the axis of the rotary shaft 18.
  • the compression mechanism 17 can compress the refrigerant. That is, the compression mechanism 17 can compress a single refrigerant or a mixed refrigerant.
  • the compression mechanism 17 sucks and compresses the gaseous refrigerant from the refrigerant pipe 8 and discharges the compressed refrigerant into the sealed case 15.
  • the compression mechanism 17 includes a cylinder 33 having a circular cylinder chamber 32 and an annular roller 35 disposed in the cylinder chamber 32.
  • the cylinder 33 is fixed to the sealed case 15 at a plurality of locations by welding, for example, spot welding.
  • the cylinder 33 supports the entire compression mechanism 17 in the sealed case 15.
  • the cylinder chamber 32 is a space inside the cylinder 33 and is closed by the main bearing 21 and the auxiliary bearing 22.
  • An eccentric portion 31 of the rotating shaft 18 is disposed in the cylinder chamber 32.
  • the main bearing 21 is fixed to the cylinder 33 by a fastening member 36 such as a bolt.
  • the main bearing 21 is provided with a discharge valve mechanism (not shown) for discharging the refrigerant compressed in the cylinder chamber 32 and a discharge muffler 37.
  • the discharge muffler 37 has discharge holes (not shown).
  • the discharge muffler 37 covers the discharge valve mechanism.
  • the discharge valve mechanism is connected to the cylinder chamber 32. The discharge valve mechanism opens when the inside of the cylinder chamber 32 reaches a predetermined pressure value due to the compression action of the compression mechanism 17, and discharges the compressed refrigerant into the discharge muffler 37.
  • the auxiliary bearing 22 is fixed to the cylinder 33 by a fastening member 38 such as a bolt.
  • the roller 35 is fitted into the peripheral surface of the eccentric portion 31 and accommodated in the cylinder chamber 32, and a part of the outer peripheral surface is in line contact with the inner peripheral surface of the cylinder chamber 32. As the rotary shaft 18 rotates, the roller 35 moves eccentrically while bringing a part of the outer peripheral surface into line contact with the inner peripheral surface of the cylinder chamber 32.
  • the contact between the roller 35 and the cylinder 33 is not a direct contact but an indirect one in which an oil film (not shown) of the lubricating oil 41 is interposed.
  • the contact made is simply expressed as “contact”.
  • An oil film of the lubricating oil 41 is also interposed between the roller 35 and the eccentric portion 31, between the roller 35 and the main bearing 21, and between the roller 35 and the auxiliary bearing 22.
  • the suction pipe 7 a passes through the sealed case 15 and is connected to the cylinder chamber 32 of the cylinder 33.
  • the cylinder 33 is provided with a suction hole (not shown) that is connected to the suction pipe 7 a and reaches the cylinder chamber 32.
  • the compression mechanism 17 is accommodated in the sealed case 15 and is disposed at the lower part of the sealed case 15.
  • the lower part of the sealed case 15 is filled with the lubricating oil 41.
  • Most of the compression mechanism 17 is immersed in the lubricating oil 41 in the sealed case 15.
  • Lubricating oil 41 contains an ester-based synthetic oil to which a glycidyl ester that is an epoxy group-containing compound and a phenol-based antioxidant are added.
  • the hermetic compressor 2 discharges a single refrigerant of R32 or a mixed refrigerant containing more than 20 mass percent of R32 at a high temperature and high pressure into the sealed case 15. Therefore, the hermetic compressor 2 may accelerate the chemical reaction of the lubricating oil 41 and thus accelerate the deterioration of the lubricating oil 41. Therefore, the hermetic compressor 2 according to the present embodiment employs a lubricating oil 41 including an ester synthetic oil to which an epoxy group-containing compound and a phenolic antioxidant are added. Thereby, the hermetic compressor 2 suppresses an increase in the acid value due to hydrolysis, and ensures chemical stability in the hermetic case 15.
  • the hermetic compressor 2 according to the present embodiment is inexpensively insulated from the covering of the lead wire 28 exposed to the environment in the sealed case 15 and the material of the assembly member 29 due to the chemical stability in the sealed case 15. It is possible to adopt a film.
  • the coating of the lead wire 28 and the assembly member 29 have been made of a fluorinated resin copolymer, specifically, a copolymer of tetrafluoroethylene / hexafluoropropylene.
  • a tube made of a polymer (Fluorinated Ethylene-Propylene Copolymer, FEP) was used.
  • FEP tetrafluoroethylene / hexafluoropropylene copolymer
  • the hermetic compressor 2 includes a refrigerant, that is, a single refrigerant of R32 (difluoromethane), or a mixed refrigerant containing more than 20 mass percent of R32, an epoxy group-containing compound, and a phenolic antioxidant.
  • a refrigerant that is, a single refrigerant of R32 (difluoromethane), or a mixed refrigerant containing more than 20 mass percent of R32, an epoxy group-containing compound, and a phenolic antioxidant.
  • the assembly member 29 of the hermetic compressor 2 according to the present embodiment will be described in more detail.
  • FIG. 2 is a perspective view of an assembly member of the hermetic compressor according to the present embodiment.
  • FIG. 3 is a schematic longitudinal sectional view of the assembly member of the hermetic compressor according to the present embodiment.
  • the assembly member 29 of the hermetic compressor 2 has a tube-like appearance.
  • the assembly member 29 is a multilayer tube body 53 in which three or more layers of tubes 52 each having a spirally wound insulating film 51 are overlapped.
  • FIG. 3 shows a cross section of a multilayer tube body 53 having three layers of tubes 52. That is, the multilayer tube body 53 shown in FIG. 3 includes an innermost layer tube 52a, an intermediate layer tube 52b, and an outermost layer tube 52c.
  • the number of tubes 52 corresponding to the intermediate layer is increased.
  • the multilayer tube body 53 is manufactured by winding a tape-shaped insulating film 51 around a rod-shaped core called a mandrel, and sequentially stacking the tubes 52 from the innermost layer side to the outermost layer side.
  • the multilayer tube body 53 has an adhesive layer 55 for adhering adjacent tubes 52.
  • Each tube 52 is obtained by winding a tape-like insulating film 51 in a spiral shape.
  • Each tube 52 is preferably a spiral wound in the same direction.
  • the outermost tube 52c has an overlap portion 56 (overlap portion) between the insulating films 51 and is spirally wound.
  • the other tubes 52 that is, the innermost layer tube 52a and the intermediate layer tube 52b are spirally wound substantially without any gap.
  • the spiral seam 57 does not overlap and overlap each other in the longitudinal direction of the multilayer tube body 53, and the seam 57 is within the tape width W of the insulating film 51 of the adjacent tube 52. Has been placed.
  • the seam 57a of the innermost layer tube 52a is disposed within the tape width Wb of the intermediate layer tube 52b without overlapping the seam 57b of the intermediate layer tube 52b.
  • the joint 57b of the intermediate layer tube 52b is disposed within the tape width Wa of the innermost layer tube 52a without overlapping the joint 57a of the innermost layer tube 52a.
  • the seam 57c of the outermost layer tube 52c is disposed within the tape width Wb of the intermediate layer tube 52b without overlapping the seam 57b of the intermediate layer tube 52b.
  • the seam 57b of the intermediate layer tube 52b is disposed within the tape width Wc of the outermost layer tube 52c without overlapping the seam 57c of the outermost layer tube 52c.
  • each tube 52 is substantially the same.
  • the overlap amount (width of the overlap part 56) of the tube 52c of the outermost layer is substantially the same.
  • the insulating film 51 is made of polyethylene terephthalate (PET), polyethylene naphthalate (PLY), polyimide (Polyimide, PI), polyphenylene sulfide (PPS), and aramid fiber. It is at least one of paper (Nomex, registered trademark).
  • the multilayer tube body 53 is applied to the assembly member 29, the multilayer tube body 53 may be applied to the covering of the lead wire 28.
  • FIG. the strands (core wire, conductor wire) of the lead wire 28 are covered with the multilayer tube body 53.
  • the assembly member 29 may be the multilayer tube body 53 as well as the covering of the lead wire 28, or may be a binding band or a binding yarn. good.
  • At least one of the covering of the lead wire 28 and the assembly member 29 may be a multilayer tube body 53 in which three or more tubes 52 each having a spirally wound insulating film 51 are overlapped.
  • the inventors conducted an experiment.
  • sample tube body 53 (hereinafter simply referred to as “sample tube body”) having three-layer tubes 52 shown in FIG. 3 was used as a sample for the experiment.
  • the dimensions of the sample tube body are an inner diameter of 8.8 millimeters and a length of 150 millimeters.
  • Each tube 52 includes a polyethylene terephthalate (PET) insulating film 51 having a thickness of 0.025 mm and a width of 15 mm, a polyethylene naphthalate (PEN) insulating film 51 having a thickness of 0.025 mm and a width of 15 mm.
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • PI polyimide
  • aramid paper Nomex, registered trademark
  • a urethane-based adhesive or a urethane-modified epoxy resin adhesive was used for the adhesive layer 55.
  • Evaluation items are presence / absence of inter-layer foaming after heat load, peeling before heat load, or tensile strength at the time of peeling, and retention rate of tensile strength after heat load (reciprocal of decrease rate).
  • Tensile strength was evaluated according to JIS K7161.
  • the sample tube body is pulled, peeled off to any one of the three layers of the tube 52, or the load applied when peeling occurs is defined as the tensile strength.
  • the tensile strength retention after thermal load is the ratio of the tensile strength measured before and after the thermal load.
  • Table 1 shows the test results relating to the presence or absence of interlayer foaming after thermal load.
  • the material of the intermediate layer tube 52b is preferably aramid paper.
  • the material of at least one layer of the intermediate tube 52 may be aramid paper.
  • the insulating film 51 may be peeled off or peeled off from the air bubbles. Therefore, it is possible to prevent the generation of bubbles by applying aramid paper to the intermediate layer. Even if the insulating film 51 made of an inexpensive material is used for the covering of the lead wire 28 and the assembly member 29, the sealed case 15 It has been found that suitability for the environment can be enhanced.
  • the inventors found that the strength can be dramatically increased by providing the overlap portion 56 in the outermost layer.
  • PEN is used for the innermost layer
  • aramid paper is used for the intermediate layer
  • PI is used for the outermost layer
  • the sample number G in Table 1 having the overlap portion 56 is the same material combination, and the overlap portion 56
  • the sample number J had higher tensile strength than the sample number K.
  • the tensile strength of sample number J was “1”
  • the tensile strength of sample number K was about “0.44”.
  • PEN polyethylene naphthalate
  • the average strength retention rate of Sample No. G and Sample No. H in Table 1 using PEN for the innermost layer, aramid paper for the intermediate layer, and PI for the outermost layer is “1” before heat load. It was about “0.3”.
  • the strength retention is higher when PEN is used for the innermost layer and the outermost layer than when PEN is used for the innermost layer and PI is used for the outermost layer.
  • the multilayer tube body 53 has a three-layer structure in which the material of the outermost tube 52c and the innermost tube 52a is polyethylene naphthalate (PEN).
  • PEN polyethylene naphthalate
  • the sample number G is the sample.
  • the tensile strength was higher than that of No. I.
  • the tensile strength of sample number G was “1”, the tensile strength of sample number I was about “0.77”.
  • the multilayer tube body 53 has an adhesive layer 55 of a urethane adhesive that adheres adjacent layers.
  • the hermetic compressor 2 and the refrigeration cycle apparatus 1 combine the refrigerant and the lubricating oil 41, and have a multilayer tube body on at least one of the covering of the lead wire 28 and the assembly member 29. 53 is applied. Therefore, the hermetic compressor 2 and the refrigeration cycle apparatus 1 can employ the insulating film 51 made of an inexpensive material for the covering of the lead wire 28 and the assembly member 29.
  • the hermetic compressor 2 and the refrigeration cycle apparatus 1 apply the multilayer tube body 53 having the overlap portion 56 to at least one of the covering of the lead wire 28 and the assembly member 29. Therefore, the hermetic compressor 2 and the refrigeration cycle apparatus 1 can ensure the tensile strength and improve the workability and handling.
  • the hermetic compressor 2 and the refrigeration cycle apparatus 1 apply the multilayer tube body 53 to at least one of the covering of the lead wire 28 and the assembly member 29. Therefore, the hermetic compressor 2 and the refrigeration cycle apparatus 1 can be applied with a material that is less expensive than a conventional tube obtained by extrusion molding of tetrafluoroethylene / hexafluoropropylene copolymer (FEP).
  • FEP tetrafluoroethylene / hexafluoropropylene copolymer
  • the hermetic compressor 2 and the refrigeration cycle apparatus 1 apply aramid paper to the intermediate layer of the multilayer tube body 53. Therefore, the hermetic compressor 2 and the refrigeration cycle apparatus 1 can improve the compatibility with the environment in the sealed case 15 even if the insulating film 51 made of an inexpensive material is employed.
  • the hermetic compressor 2 and the refrigeration cycle apparatus 1 include a multilayer tube having a three-layer structure in which an insulating film 51 of polyethylene naphthalate (PEN) is used for the outermost tube 52c and the innermost tube 52a. Apply the body 53. Therefore, the hermetic compressor 2 and the refrigeration cycle apparatus 1 can obtain environmental compatibility, high tensile strength with a minimum number of layers, and high reliability over a long period of time.
  • PEN polyethylene naphthalate
  • the hermetic compressor 2 and the refrigeration cycle apparatus 1 employ a multilayer tube body 53 having an adhesive layer 55 of a urethane-based adhesive that adheres adjacent layers. Therefore, the hermetic compressor 2 and the refrigeration cycle apparatus 1 can obtain a high tensile strength in the multilayer tube body 53.
  • the lead wire 28 that is suitable for the environment exposed to the refrigerant and the lubricating oil 41 and has high tensile strength.
  • the assembly member 29 of the covering or lead wire 28 can be provided.
  • the present invention is not limited to this, and the hermetic seal without the assembly member 29 is provided.
  • the multilayer tube body 53 may be applied to cover the lead wire 28 of the mold compressor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

La présente invention vise à procurer un compresseur hermétique et un dispositif à cycle de réfrigération comportant le compresseur hermétique, ledit compresseur étant apte à être utilisé dans un environnement impliquant une exposition à un réfrigérant et à une huile lubrifiante, et comportant un chemisage de fils conducteurs, ou un élément de réunion de fils conducteurs, présentant une résistance à la traction élevée. À cet effet, l'invention porte sur un compresseur hermétique (2), qui comprend : de multiples fils conducteurs (28) sortant d'un moteur électrique (16) ; et un élément de réunion (29) destiné à réunir les multiples fils conducteurs (28) les uns aux autres. L'élément de réunion (29) est un corps tubulaire multicouche (53) comprenant au moins trois couches de tubes (52), dont chacune est formée par l'enroulement hélicoïdal d'un film isolant (51), la couche située le plus à l'extérieur du corps tubulaire multicouche (53) présentant une partie de chevauchement (56) où des sections du film isolant (51) se chevauchent mutuellement, et un papier aramide étant utilisé comme matériau destiné à au moins une couche intermédiaire du corps tubulaire multicouche (53).
PCT/JP2017/010585 2016-04-28 2017-03-16 Compresseur hermétique et dispositif à cycle de réfrigération Ceased WO2017187828A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780026024.6A CN109072896B (zh) 2016-04-28 2017-03-16 密闭型压缩机以及制冷循环装置
JP2018514188A JP6617196B2 (ja) 2016-04-28 2017-03-16 密閉型圧縮機、および冷凍サイクル装置

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JP2016090459 2016-04-28
JP2016-090459 2016-04-28

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WO2017187828A1 true WO2017187828A1 (fr) 2017-11-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986418U (fr) * 1972-11-15 1974-07-26
JPH0484787U (fr) * 1990-11-30 1992-07-23
JPH10145999A (ja) * 1996-11-14 1998-05-29 Hitachi Ltd 電気機械
JP2012031239A (ja) * 2010-07-29 2012-02-16 Hitachi Appliances Inc 冷凍空調用圧縮機及び冷凍空調装置
JP2015050428A (ja) * 2013-09-04 2015-03-16 デュポン帝人アドバンスドペーパー株式会社 モータ用ボビン及びその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1080385C (zh) * 1994-09-16 2002-03-06 三洋电机株式会社 密闭式电动压缩机
DE19516811C2 (de) * 1995-05-08 1998-04-09 Danfoss Compressors Gmbh Kältemittel-Verdichter
JPH1189153A (ja) * 1997-09-04 1999-03-30 Matsushita Electric Ind Co Ltd 電動圧縮機とその製造方法
BR0006484A (pt) * 2000-12-13 2002-08-20 Empresa Brasileira De Compressores S.A - Embraco Conector elétrico para motor de compressor hermético
WO2008142829A1 (fr) * 2007-05-10 2008-11-27 Panasonic Corporation Compresseur hermétique et système de réfrigération
CN201478901U (zh) * 2009-08-25 2010-05-19 浙江华辰电器股份有限公司 电机漆包线绝缘套管
JP2012139069A (ja) * 2010-12-27 2012-07-19 Mitsubishi Electric Corp 密閉型圧縮機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986418U (fr) * 1972-11-15 1974-07-26
JPH0484787U (fr) * 1990-11-30 1992-07-23
JPH10145999A (ja) * 1996-11-14 1998-05-29 Hitachi Ltd 電気機械
JP2012031239A (ja) * 2010-07-29 2012-02-16 Hitachi Appliances Inc 冷凍空調用圧縮機及び冷凍空調装置
JP2015050428A (ja) * 2013-09-04 2015-03-16 デュポン帝人アドバンスドペーパー株式会社 モータ用ボビン及びその製造方法

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