WO2013121808A1 - 電動圧縮機及び電動圧縮機の製造方法 - Google Patents

電動圧縮機及び電動圧縮機の製造方法 Download PDF

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Publication number
WO2013121808A1
WO2013121808A1 PCT/JP2013/050253 JP2013050253W WO2013121808A1 WO 2013121808 A1 WO2013121808 A1 WO 2013121808A1 JP 2013050253 W JP2013050253 W JP 2013050253W WO 2013121808 A1 WO2013121808 A1 WO 2013121808A1
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WO
WIPO (PCT)
Prior art keywords
container
terminal
protrusion
electric compressor
electric
Prior art date
Application number
PCT/JP2013/050253
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
洋悟 高須
尚夫 水野
央幸 木全
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to EP13749902.6A priority Critical patent/EP2816232B1/en
Priority to CN201380004289.8A priority patent/CN103998782B/zh
Publication of WO2013121808A1 publication Critical patent/WO2013121808A1/ja

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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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • 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
    • F04B39/14—Provisions for readily assembling or disassembling

Definitions

  • the present invention relates to a motor-driven compressor including a compressor for compressing a refrigerant gas and a motor for driving the compressor, and a method for manufacturing the motor-driven compressor.
  • the electric compressor accommodates the compressor and a motor for driving the compressor in a metal container.
  • the compressor By operating the compressor, the refrigerant gas inside is compressed and discharged.
  • the metal container is hermetically sealed, and the electric power to the motor is supplied from the external power supply unit to the motor through the electric terminal provided at the opening of the container.
  • Patent Document 1 discloses an invention of a terminal protective cover for a motor-driven compressor, and discloses a technology for eliminating processing work and facilitating manufacture.
  • the sealing surface where the terminal guard and the outer surface of the container are in contact has a planar shape. Therefore, machining for forming a planar shape, for example, sheet metal processing, is performed on a container having a cylindrical shape or a spherical shape.
  • the installation direction of the terminal guard is to be attached toward the center direction of the container (the normal direction of the outer surface of the container). Therefore, it is common to insert the fixing bolt in the direction of the container from the outside of the terminal guard using the fixing bolt. Therefore, part of the fixing bolt penetrates into the inside of the container.
  • the seal member made of rubber or the like provided between the terminal guard and the outer surface of the container does not have a member which can be positioned with respect to the outer surface of the container. Therefore, the seal member is first attached to the terminal guard side and installed on the outer surface of the container simultaneously with the terminal guard. And a soundproof member made of felt is wound around the outer surface of the container, but the soundproof member is sandwiched between the seal member and the outer surface of the container in order to install the terminal guard and the seal member after the soundproof member is wound. Be As a result, the seal member was hard to fit in the outer shape of the terminal guard and was sticking out.
  • An object of the present invention is to provide an electric compressor that can be mounted and a method of manufacturing the electric compressor.
  • the motor-driven compressor according to the first aspect of the present invention comprises a container having a curved outer surface, an electric terminal provided on the outer surface of the container, and a direction normal to the outer surface from the outer surface of the container. It has a protruding pin-like protrusion and an opening corresponding to the position of the protrusion and the direction of protrusion, and the protrusion is inserted into the opening to surround the electric terminal.
  • the pin-like protrusion is provided to project from the outer surface of the curved container in the normal direction of the outer surface, and the opening of the protective member corresponds to the position and the protrusion direction of the protrusion It is formed.
  • a protective member is attached to a container by inserting a projection part in an opening of a protective member, and the electric terminal provided in the outer surface of a container is surrounded. Therefore, since the protective member can be attached while maintaining the curved surface without forming a flat portion on the outer surface of the protective member attachment portion of the container, the processing time can be reduced.
  • two of the protrusions are provided along the circumferential direction of the outer surface, and the openings corresponding to the two protrusions are cut out in the lateral direction of the protective member.
  • two protrusions are provided along the circumferential direction of the outer surface of the container, and since the protrusions protrude in the normal direction of the curved surface, the two protrusions have an axis of the curved surface. When viewed from the direction, it spreads in a C shape. And since the opening of the protection member is notched in the side direction, the opening of the protection member can be easily inserted into the projection.
  • the apparatus further comprises a seal member disposed between the outer surface of the container and the protective member, and the projection includes two first members provided along a circumferential direction of the outer surface. And a second projecting portion provided in the axial direction of the outer surface with respect to the first projecting portion, and the sealing member includes one of the first projecting portions and the first projecting portion. Two first openings for supporting the sealing member at two points may be formed respectively corresponding to the two protrusions.
  • the two first openings are formed in the seal member, and the seal member is supported at two points by the first projection and the second projection inserted into the first opening.
  • the seal member is securely positioned relative to the outer surface of the container.
  • the protective member is attached to the container. It may have an outer surface in which a plane parallel to the straight portion of the base portion is formed.
  • the protective member when the protective member is attached to the container, the protective member has an outer surface parallel to the linear portion of the base on which the container is installed. Is parallel to the outer surface of Therefore, even when the projecting direction of the electric terminal is oblique to the straight portion of the base portion, the protective member can be properly accommodated in the base portion.
  • a method of manufacturing a motor-driven compressor includes a container, an electric terminal provided on the outer surface of the container, a pin-like protrusion protruding from the outer surface of the container, and the protrusion.
  • An opening corresponding to the position and the direction of projection, and the projection is inserted between the opening and disposed between the protective member surrounding the electric terminal, the outer surface of the container, and the protective member
  • a method of manufacturing a motor-driven compressor including a sealing member, wherein the step of inserting the sealing member into the projection, the insertion of the sealing member into the projection, and a soundproofing member on the outer surface of the container The method further comprises the steps of: winding a cable; connecting a cable to the electrical terminal of the container around which the soundproof member is wound; and attaching the protective member to an outer surface of the container whose cable is connected to the electrical terminal .
  • the soundproof member is wound around the outer surface of the container, and the cable is connected to the electrical terminal.
  • the protective member is then attached to the outer surface of the container. Therefore, since the soundproof member is installed after the position of the seal member is determined, it is easy to process the connecting portion of the seal member and the soundproof member. Therefore, since the seal member is securely attached, attachment of the protective member can be facilitated. Conventionally, since the seal member is attached to the outer surface of the container together with the protective member after winding the soundproof member, the seal member protrudes from the outer shape of the protective member and is difficult to assemble, but such a defect hardly occurs in the present invention.
  • the processing of the outer surface of the container is unnecessary, the processing time can be reduced, and the protective member can be easily attached to the outer surface of the container.
  • FIG. 10 is a longitudinal cross-sectional view showing the terminal guard cut along the line BB in FIG. 9;
  • FIG. 10 is a longitudinal sectional view showing the terminal guard taken along the line DD in FIG. 9;
  • It is a front view showing packing concerning one embodiment of the present invention.
  • It is a top view which shows the electric compressor and base part which concern on one Embodiment of this invention.
  • the electric compressor 1 contains a compressor, a motor for driving the compressor, and the like in a metal container 2.
  • the metal container 2 has hermeticity, and power to the motor is supplied to the motor from a power supply outside the container 2 through the electric terminal 3 provided at the opening of the container 2.
  • the container 2 is, for example, cylindrical in cross section as shown in FIGS. 5 and 6.
  • the axial direction of the cylindrical shape coincides with the vertical direction of the motor-driven compressor 1 when the motor-driven compressor 1 is installed.
  • the electrical terminal 3 protrudes outward from the outer surface of the container 2 as shown in FIGS. 4 and 6.
  • the protruding direction of the electrical terminal 3 is, for example, the radial direction of the cylindrical shape of the container 2, that is, the normal direction of the outer surface of the cylindrical shape.
  • the electrical terminal 3 is connected to a cable (not shown). The cable supplies electric power to the motor of the electric compressor 1 from an external power source.
  • a terminal guard 5 is provided on the outer surface of the container 2 of the electric compressor 1 via a packing 6. Further, for the installation of the terminal guard 5, bolts 4a, 4b and 4c are provided on the outer surface of the container 2.
  • the bolts 4a, 4b and 4c are an example of pin-like protrusions, and project outward from the outer surface of the container 2 as shown in FIGS.
  • the bolts 4a, 4b and 4c are attached to the curved portion without processing the outer surface of the container 2 into a flat shape.
  • the projecting direction of the bolts 4a, 4b, 4c is, for example, the radial direction of the cylindrical shape of the container 2, that is, the normal direction of the outer surface of the cylindrical shape.
  • the terminal guard 5 is an example of a protection member, and as shown in FIG. 5, encloses the electrical terminal 3 and accommodates the electrical terminal 3 therein. As shown in FIG. 7, the terminal guard 5 is formed with openings 7a, 7b, 8 corresponding to the positions and projecting directions of the bolts 4a, 4b, 4c.
  • the surface 5A on the container 2 side of the terminal guard 5 when the terminal guard 5 is installed on the outer surface of the container 2 conforms to the shape of the outer surface of the container 2 as shown in FIGS. 10 and 11.
  • the cross section of the surface 5A of the terminal guard 5 has an arc shape in which the axial center O of the container 2 is common.
  • the packing 6 is an example of a sealing member, and is disposed between the terminal guard 5 and the outer surface of the container 2 as shown in FIGS. 1, 2 and 5.
  • the packing 6 is made of, for example, rubber, and ensures waterproofness between the terminal guard 5 and the outer surface of the container 2.
  • pin-shaped bolts 4a, 4b, 4c are provided to project from the outer surface of the cylindrical container 2 in the normal direction of the outer surface, and the openings 7a, 7b of the terminal guard 5 are provided. , 8 are formed corresponding to the positions of the bolts 4a, 4b, 4c and the projecting direction. Then, the terminal guard 5 is attached to the container 2 by inserting the bolts 4a, 4b, 4c into the openings 7a, 7b, 8 of the terminal guard 5, and the electric terminal 3 provided on the outer surface of the container 2 is surrounded. To accommodate inside. Therefore, the bolts 4a, 4b and 4c are attached as they are to the cylindrical outer surface, and the terminal guard 5 is attached to the terminal guard 5 of the container 2 without forming a flat portion on the outer surface. Can be attached, which can reduce the processing time.
  • the bolts 4a, 4b, 4c and the terminal guard 5 will be described.
  • the bolt 4 a and the bolt 4 b are disposed on the same circumferential direction on the outer surface of the container 2.
  • the bolt 4a and the bolt 4b are examples of the first protrusion.
  • the bolt 4c is provided in the axial direction of the container 2 with respect to the bolt 4a and the bolt 4b.
  • the bolt 4c is an example of a second protrusion.
  • the bolt 4c is installed between the bolt 4a and the bolt 4b in the upper direction of the container 2 than the bolt 4a and the bolt 4b.
  • Openings 7 a, 7 b, 8 are formed in the terminal guard 5.
  • the openings 7a and 7b have a shape which is cut out on the side of the terminal guard 5 as shown in FIGS. 7 and 8.
  • the opening 8 is provided on the central axis of the terminal guard 5 and has a circular shape.
  • the terminal guard 5 is open at the lower side opposite to the upper opening 8, and the cable connected to the electrical terminal 3 passes through the open portion of the terminal guard 5. To be installed.
  • the bolt 4a and the bolt 4b are provided on the same circumferential direction of the outer surface of the container 2 and project in the normal direction of the cylindrical shape, so the bolt 4a and the bolt 4b are as shown in FIGS.
  • FIGS When viewed from the axial direction of the container 2, it is expanded in a C shape. That is, the distance between the tip of the bolt 4a and the tip of the bolt 4b is wider than the distance between the base of the bolt 4a and the base of the bolt 4b.
  • the installation direction of the terminal guard 5 is to be attached toward the center direction of the container 2 (the normal direction of the outer surface of the container 2). Therefore, if the openings 7a and 7b of the terminal guard 5 have a perfect circular shape, for example, the terminal guard 5 can not be attached.
  • the openings 7a and 7b of the terminal guard 5 are easily inserted into the bolts 4a and 4b by the openings 7a and 7b of the terminal guard 5 being cut out in the side direction.
  • the openings 7a and 7b may have an oval shape that is long in the side direction.
  • the packing 6 will be described.
  • openings 11a, 11b, 12, 13 are formed.
  • the opening 11a corresponds to the bolt 4a, and a notch is formed on the side.
  • the packing 6 can be attached to the bolts 4 a and 4 b installed in the normal direction of the outer surface of the container 2 as well as the terminal guard 5. That is, since the opening 11 a is cut away in the side direction, the packing 6 can be easily inserted into the outer surface of the container 2.
  • the opening 11 b corresponds to the bolt 4 b and is circular.
  • the opening 12 corresponds to the bolt 4c, and a notch is formed on the opening 13 side.
  • the opening 13 has a circular shape surrounding the electrical terminal 3.
  • the opening 11 b and the opening 12 are an example of a first opening.
  • the packing 6 when the packing 6 is attached to the outer surface of the container 2, first, the opening 11 b is inserted into the bolt 4 b, and the opening 12 is hung on the bolt 4 c. As a result, the packing 6 is supported at two points by the bolt 4 b and the bolt 4 c, so that the packing 6 is reliably positioned with respect to the outer surface of the container 2. Therefore, in the subsequent process, for example, the process of winding a soundproofing member (not shown) around the outer surface of the container 2, processing of the connection portion between the soundproofing member and the packing 6 is easy.
  • the outer shape of the terminal guard 5 will be described with reference to FIG. 13 and the like.
  • the leg portion 2 ⁇ / b> A of the container 2 is installed on the base portion 10.
  • the terminal guard 5 is attached to the container 2 on the outer surface 5B of the terminal guard 5 When it is parallel to the straight portion L of the base portion 10.
  • the linear portion L of the base portion 10 and the outer surface 5 ⁇ / b> B of the terminal guard 5 become parallel. Therefore, even when the projecting direction E of the electric terminal 3 is not perpendicular to the straight portion L of the base portion 10 but in an oblique direction, the terminal guard 5 can be properly accommodated in the base portion 10.
  • the packing 6 is inserted into the bolts 4a, 4b, 4c. Thereafter, a soundproof member (not shown) is wound around the outer surface of the container 2.
  • the soundproofing member is made of, for example, felt.
  • a cable (not shown) is connected to the electric terminal 3 of the container 2 in which the soundproof member is wound.
  • the terminal guard 5 is attached to the outer surface of the container 2 in which the cable is connected to the electric terminal 3.
  • the terminal guard 5 is fixed to the bolts 4a, 4b and 4c by using a nut 14.
  • the soundproof member is wound around the outer surface of the container 2 Wired Thereafter, the terminal guard 5 is attached to the outer surface of the container 2. Therefore, since the soundproofing member is installed after the position of the packing 6 is determined, it is easy to process the connecting portion between the packing 6 and the soundproofing member. Therefore, since the packing 6 is securely attached, the terminal guard 5 can be easily attached. Conventionally, since the packing was attached to the outer surface of the container together with the terminal guard after winding the soundproofing member, the packing was out of the outer shape of the terminal guard and was difficult to assemble, but such a defect hardly occurs in this embodiment.
  • this attachment method is not limited to the outer surface of the terminal guard 5 of this embodiment mentioned above or the container 2.
  • FIG. even if the outer surface of the container is formed in a planar shape at the mounting portion of the terminal guard as in the prior art and the bolt protrudes from the outer surface of the container, the same attachment can be made. Also in this case, the same effect as that of the present mounting method can be obtained.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Motor Or Generator Frames (AREA)
PCT/JP2013/050253 2012-02-15 2013-01-10 電動圧縮機及び電動圧縮機の製造方法 WO2013121808A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13749902.6A EP2816232B1 (en) 2012-02-15 2013-01-10 Electric compressor and method for manufacturing electric compressor
CN201380004289.8A CN103998782B (zh) 2012-02-15 2013-01-10 电动压缩机及电动压缩机的制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012030776A JP5863496B2 (ja) 2012-02-15 2012-02-15 電動圧縮機及び電動圧縮機の製造方法
JP2012-030776 2012-02-15

Publications (1)

Publication Number Publication Date
WO2013121808A1 true WO2013121808A1 (ja) 2013-08-22

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PCT/JP2013/050253 WO2013121808A1 (ja) 2012-02-15 2013-01-10 電動圧縮機及び電動圧縮機の製造方法

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Country Link
EP (1) EP2816232B1 (enrdf_load_stackoverflow)
JP (1) JP5863496B2 (enrdf_load_stackoverflow)
CN (1) CN103998782B (enrdf_load_stackoverflow)
WO (1) WO2013121808A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11525445B2 (en) 2016-07-29 2022-12-13 Daikin Industries, Ltd. Compressor assembly, compressor, and method of manufacturing compressor
JP2019021570A (ja) * 2017-07-20 2019-02-07 三菱重工サーマルシステムズ株式会社 ハーメチック端子、ターミナルブロック、ハーメチック端子ユニットおよび圧縮機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923291Y1 (enrdf_load_stackoverflow) 1970-04-10 1974-06-22
JPH01159476A (ja) * 1987-09-18 1989-06-22 Mitsubishi Electric Corp 圧縮機の防音装置
JPH09158835A (ja) * 1995-12-11 1997-06-17 Toshiba Corp 密閉型圧縮機
JP3727459B2 (ja) * 1997-11-28 2005-12-14 東芝キヤリア株式会社 密閉形圧縮機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4390533B2 (ja) * 2003-03-10 2009-12-24 三洋電機株式会社 圧縮機のターミナル保護装置
JP5232549B2 (ja) * 2008-07-02 2013-07-10 三洋電機株式会社 電動圧縮機のターミナル保護部材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923291Y1 (enrdf_load_stackoverflow) 1970-04-10 1974-06-22
JPH01159476A (ja) * 1987-09-18 1989-06-22 Mitsubishi Electric Corp 圧縮機の防音装置
JPH09158835A (ja) * 1995-12-11 1997-06-17 Toshiba Corp 密閉型圧縮機
JP3727459B2 (ja) * 1997-11-28 2005-12-14 東芝キヤリア株式会社 密閉形圧縮機

Also Published As

Publication number Publication date
CN103998782A (zh) 2014-08-20
JP2013167202A (ja) 2013-08-29
CN103998782B (zh) 2016-08-24
EP2816232B1 (en) 2018-09-26
EP2816232A4 (en) 2015-12-16
EP2816232A1 (en) 2014-12-24
JP5863496B2 (ja) 2016-02-16

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