WO1987005164A1 - Rotor a champ permanent et procede de production - Google Patents

Rotor a champ permanent et procede de production Download PDF

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Publication number
WO1987005164A1
WO1987005164A1 PCT/JP1987/000092 JP8700092W WO8705164A1 WO 1987005164 A1 WO1987005164 A1 WO 1987005164A1 JP 8700092 W JP8700092 W JP 8700092W WO 8705164 A1 WO8705164 A1 WO 8705164A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
fan
shaped silicon
permanent magnet
slope
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/JP1987/000092
Other languages
English (en)
Japanese (ja)
Inventor
Shigeki Kawada
Youichi Amamiya
Kiyoshi Tagami
Masatoyo Sogabe
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.)
Fanuc Corp
Original Assignee
Fanuc 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 Fanuc Corp filed Critical Fanuc Corp
Publication of WO1987005164A1 publication Critical patent/WO1987005164A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets

Definitions

  • the present invention relates to a permanent field rotor and a method for manufacturing the same.
  • Taihatsu relates to the improvement of the structure of the permanent magnet rotor and the method of manufacturing it.
  • the fan-shaped silicon pot hill and the columnar permanent magnets are circular. End plates are abutted on both end faces of the perforated iron structure, which is alternately arranged in a circumferential shape and forms a cylinder, and this end slope and the above-mentioned permanent magnet are provided.
  • ⁇ Permanent magnets and fixed iron structures are fixed with a fixed ⁇ -rod penetrating through the fan-shaped silicon steel plate body forming the port iron structure.
  • the work time required to manufacture a permanent field recirculation device composed of a combination of a permanent magnet, a steel structure, a Hasaka and a ⁇ is reduced. * The technical background of the improvement of the structure and the improvement of the manufacturing method
  • Fig. 1 and Fig. 2 show a cross-sectional view in the direction perpendicular to the plane and its A-Agf plane view, respectively. Rotor is known *
  • 1 is a square
  • 2 is a fan-shaped silicon steel plate, in the direction orthogonal to the paper in FIG. 1 and in the paper in FIG. 2.
  • each is a ridged silicon steel hill stack
  • 3 is a columnar permanent magnet.
  • the magnet is arranged so that its cross section abuts the fan-shaped silicon slope body 2 as shown in the figure, and its polarity is as shown in the figure. (The polarity in contact with the resurface of one fan-shaped silicon body is the same.) * This fan-shaped silicon body
  • the Sakazumi carcass 2 and the pillar magnet 3 are alternately arranged in the circumferential direction to form a cylinder whose perspective view is shown in Fig. 3.
  • FIG. 3 shows a perspective view of the permanent magnet and Okiteru structure 11.
  • Reference numeral 21 denotes a through-hole into which the fixed opening pad 5 described below is inserted, and is provided in each of the fan-shaped silicon-hill integrated bodies 2. Is the re-formed surface of the permanent magnet-iron structure 11.
  • the end faces 22 of the permanent magnet-cut iron structure 11 have through holes 41 for inserting a fixed rod as shown in FIG.
  • the end plate 4 is abutted, and the fixed ⁇ * node insertion through hole 41 and the permanent magnet •
  • the fan-shaped silicon-copper laminate 2 that forms the iron structure 11 is inserted into the fixed rod.
  • the fixed ⁇ ⁇ no 5 is inserted through both the through hole 21 and the fixed hole with the fixed D-head 5 and the nut 6, and is fixed to the center opening of the end slope 4. Inserts
  • the permanent field rotor is completed, and the space between the fixed insertion insertion opening 21 and the fixed rod 5 is varnished by varnish impregnation.
  • edge slope 4 is manufactured with a non-stiffness such as stainless steel: ⁇
  • ⁇ the inner circumference of the permanent magnet iron structure 11 and There is no contact with the outer circumference of 1 and there is a space between them, to prevent short circuit of the magnetic path.
  • the permanent field rotor having the structure related to the conventional technology described above has a magnetic flux density distributed in a rectangular shape along the outer peripheral surface of the rotor, and is particularly used for a recirculator for a servomotor. Although it is useful, the assembly is not always easy due to the complicated mechanism and the mechanically weak structure of the knee. * Jigs, etc. Efforts have been made to develop technical staff that can be used accurately and easily, and the present invention is also related to that effort.
  • the S slope 4 having the fixed rod insertion through-holes 41 provided in correspondence with 21 is brought into contact with the end face 22 of the fan-shaped silicon steel slope stack 2 and Since the fixed rod 5 penetrates through the through-holes 41 and 21 and is fastened with the nut 6, the work required for assembling is long.
  • Fan-shaped silicon copper downhill product ⁇ body 2 or et structure of that is Ru Ah in ⁇ weak, Oh the total number fixed n y de '5 needs that will be secured by Tsu also Oh Ru or al of their Purpose of the invention and disclosure of the invention
  • the first purpose of the Taihatsu is to form a cylindrical shape by disposing a fan-shaped silicon pot slope product and a columnar permanent magnet alternately in a circumferential shape.
  • the permanent magnet that is being used has a sloping abutment on the rear end face of the iron structure, and the sloping edge and the fan-shaped silicon sales hill that forms the permanent magnet and the iron structure.
  • the purpose of the present invention is to provide a permanent magnet rotor with a structure that shortens the working time required for the manufacture of the * Kukai rotor.
  • the second purpose of the present invention is to arrange a cylindrical permanent magnet / iron structure in which a fan-shaped silicon plate laminate and a columnar permanent magnet are alternately and circumferentially placed S. It has a fixed rod which is formed and abuts the end slopes on both end faces thereof, and penetrates the end slope and the fan-shaped silicon laminated laminate forming the * magnet and iron structure.
  • a fixed rod which is formed and abuts the end slopes on both end faces thereof, and penetrates the end slope and the fan-shaped silicon laminated laminate forming the * magnet and iron structure.
  • the permanent magnet rotor according to the first embodiment of the present invention which achieves the first object of the present invention, comprises a fan-shaped silicon submerged laminate (2) and a columnar permanent magnet (3).
  • the magnets S of the columnar stone (3) are alternately arranged circumferentially to form a cylindrical body, and each magnet S of the columnar stone (3) is in contact with the fan-shaped silicon-tin plate body (2).
  • the end slope (7) is brought into contact with the end face (22) of the permanent magnet / iron structure (U) that is to be changed in polarity.
  • a through hole (71 ⁇ 21) is provided, and the permanent magnet ⁇ Onigetsu structure (11) and Hasaka (7) are fixed ⁇ -heads that pass through the through hole (71 ⁇ 21). It is supposed to be fixed with (5), and the shape of the end slope (7) can be changed by applying mechanical force.
  • the hole diameter of the through hole (71) of the slope (7) is smaller than the outer diameter of the fixed D-head (5), and
  • the inner periphery of the through hole (71) of (7) has a plurality of splits, and the permanent magnet / iron structure (11) is fixed to the end slope (7). It is a permanent field rotor that is to be formed by crimping the end slope (7) against the fixed rod (5) penetrating this. ,
  • the field magnet rotor is composed of a fan-shaped silicon-to-silica laminate (2) and a columnar permanent magnet (3) Are arranged alternately in the circumferential direction to form a cylindrical body, and each overflow S of the column-permanent magnet (3) is in contact with the fan-shaped silicon tin slope layer (2).
  • the end slope (8) is brought into contact with both end faces (22) of the permanent magnet / port iron structure (11) whose polarity is to be changed alternately. This end slope
  • Corresponding through-holes (81, 21) are provided in (8) and the fan-shaped silicon-tetsuzane laminate (2), and the permanent magnet iron structure (11) and end slope (8) are provided.
  • the shape of the fixed rod can be changed by the application of mechanical force, and its diameter is smaller than the outer diameter of the fixed rod '(5).
  • the fixed rod (5) is swaged to the sash (9) to make sure that the (91) is attached to the through hole (81) of the mat plate (8). It is a permanent field rotator that is supposed to be
  • a method of manufacturing a magnetic field rotor according to a third embodiment of the present invention that achieves the second purpose of the invention is a method of manufacturing a fan-shaped silicon plate laminate (2).
  • the permanent magnets (3) are alternately arranged circumferentially to form a cylindrical body, and each pillar of the columnar permanent magnet (3) has a fan-shaped silicon-slope stack. (2), forming a permanent magnet / Kitetsu structure C11) whose polarity is to be replaced by a customer, and forming the permanent magnet / iron structure.
  • the through holes (71, 21) corresponding to the end slope (7) and the above-mentioned fan-shaped silicon hosaka ridge body (2).
  • the through-hole (31) is provided, and the shape can be changed by applying mechanical force.
  • the hole diameter of the through-hole (71) of this end slope (7,) is fixed.
  • the outer diameter of the head (5) is smaller than Hill
  • an end plate (7) into which a plurality of splits are inserted is attached, and a permanent magnet / iron structure is provided.
  • the method of manufacturing the permanent field recirculation device according to the fourth embodiment of the invention is based on the following: Permanent magnets (3) and are alternately arranged in a circumferential shape to form a cylindrical body, and each S of the columnar permanent magnet (3) has a fan-shaped silicon steel slope body (2 ) And its S property is changed so as to be manifest.
  • Himagnet and Okitetsu structure (11) is formed, and the end slope (22) of the permanent magnet and steel structure (11) is brought into contact with the end slope (8), and the through-hole (81) of the end slope (8) is formed.
  • its shape can be changed by the application of mechanical force, and its hole diameter is smaller than the outer diameter of the fixed D-head (5).
  • the present invention focuses on the point that the permanent field rotator of this structure is relatively limited to a small output, and in the case of a small output, the permanent magnet rotator has a permanent Based on the idea of fixing the magnet and port iron structure, the experiment was repeated and the possibility was proved to be completed. The results were based on the results of the experiment. It can be used for electric motors of about 20Hp or less, far beyond the initial expectations.In the case of the structure related to the conventional technology area, especially the fan-shaped silicon promotion slope In view of the fact that the body structure is weak, it is necessary to fix the same number of fixed rods with nuts as the number of fan-shaped silicon ridges.
  • Fig. 1 is a cross-sectional view in the direction perpendicular to the axis of the permanent field cultivator according to the conventional technology.
  • Fig. 2 is a cross-sectional view in the direction perpendicular to the axis of the permanent field rotator shown in Fig. 1, which is related to the conventional engineer.
  • Fig. 3 is a perspective view of the permanent magnet iron structure.
  • Fig. 4 is a cross-sectional view in a direction perpendicular to the plane of the permanent magnetic field stub according to one embodiment of the invention. .
  • FIG. 5 is a cross-sectional view (A-A cross-sectional view of FIG. 4) of the permanent field rotor according to one embodiment of the large invention in a direction parallel to ⁇ .
  • Fig. 6 is a new surface diagram (A-A cross-sectional view in Fig. 4) in a direction parallel to the axis of the permanent field rotator according to another example of the actual kiln around Honki. Detailed description of the example
  • the figure shows a first embodiment of a permanent field rotator manufactured by implementing the method of manufacturing a permanent field rotator according to the third embodiment.
  • the magnetic S is placed so as to abut the sector-silicon-plate slaughterhouse 2 and its S property is shown in the figure.
  • the faces are alternated (so that the S property of contact with the surface of one fan-shaped silicon starburst body is the same) *
  • the protrusions 23 protruding from the top of the fan-shaped silicon steel sheet laminate 2 to the upper surface of the columnar permanent magnet 3 are formed by the centrifugal force of the columnar permanent magnet 3 during rotation. It is a holding member that holds the rod so that it does not protrude.
  • the space between the fixed rod insertion through hole 21 and the fixed rod 5 has a wad.
  • the power of nis is filled by nis
  • Reference numeral 7 denotes an end plate manufactured using a non-magnetic material such as stainless steel, and a through-hole 7 is provided in a region of the fan-shaped silicon / silica laminate 2 in contact with the through-hole 21. 1 is provided, and the hole diameter of the through hole 71 is smaller than the outer diameter of the fixed god 5, and the inner periphery of the through hole 71 has a plurality of divided holes.
  • the end plate 7 is designed to be easily deformed and crimped by the application of mechanical force.
  • the permanent magnets and port iron structures 11 are manufactured by alternately arranging the bodies 2 and the columnar permanent magnets 3 in a circumferential shape, and the fixed rod 5 is made to pass through the through-holes 2 1 and 7 1. After press-fitting the end plate 7 and crimping the end plate 7 against the fixed rod 5, the fan-shaped silicon steel sheet stack 2 and the columnar permanent magnet Permanent magnet and port iron structure U composed of 3 and S arranged alternately S is firmly fixed *
  • Reference numeral 10 denotes a fixed ring, which penetrates the shaft 1 through the center opening formed in the end slope 7, and then uses the fixed ring 10 to move the end slope 7. Stick to 1.
  • FIG. 1 shows the permanent magnet rotor according to the second embodiment manufactured by executing the method of manufacturing the permanent magnetic field rotor according to the fourth embodiment.
  • the magnetic contact is set so as to be in contact with the fan-shaped silicon rust slope body 2, and its S property is shown in the figure.
  • the replacement is done so that the contact with both sides of one fan-shaped silicon prosthesis is the same.
  • the protrusion 23 projecting from the top of the fan-shaped silicon hill body 2 to the top surface of the pillar stone 3 is formed by the centrifugal force of the pillar-shaped permanent magnet 3 during rotation. It is a holding member that holds the fixed rod 5 between the fixed rod insertion through hole 21 and the through hole 31 of the end slope 8, and the fixed rod 5.
  • the space is filled with varnish by varnish impregnation.
  • Numeral 8 is a terminal slope manufactured using a non-magnetic material such as stainless steel, which is the same as in the prior art, and its through hole 81 has a normal large size. And it isn't broken.
  • the caulking wax 9 is a caulking pipe, and the area where it comes into contact with the through-hole 81 of the end plate 8 communicating with the through-hole 21 of the fan-shaped silicon pan hill carcass 2 has a through-hole 31.
  • the through hole 31 has a hole diameter smaller than the outer diameter of the fixed rod '5, and the inner periphery of the through hole 31 has a plurality of holes.
  • the caulking wax 9 is designed to be easily deformed by the application of mechanical force.
  • the fan-shaped silicon copper slope 2 and the columnar permanent magnets 3 are circumferentially and alternately arranged S to form a permanent magnet / iron structure 11, and the fixed rod 5 is formed.
  • the permanent magnet / iron structure 11 composed of the fan-shaped silicon rust slopes 2 and the columnar stones 3 alternately g is strong.
  • 10 is a fixed ring. After penetrating 1 through the central opening formed in the edge slope 8, the edge ring 8 is pierced using the fixed ring 10. Stick to 1 *
  • the fan-shaped silicon lantern carcasses and the columnar permanent magnets are alternately arranged circumferentially to form a permanent magnet. End slopes are in contact with both end surfaces of the iron structure, and a fixed lock penetrates the end slope and the fan-shaped silicon promotion plate carcass that forms the permanent magnet and Onigetsu structure.
  • the permanent magnet iron structure is fixed to the permanent magnet rotor, and is used to manufacture a permanent field rotor composed of a combination of this permanent magnet / iron structure, end slope and shaft.
  • a cylindrical body is formed by alternately arranging a permanent-field magnetic rotor with a structure that shortens the required working time, a fan-shaped silicon mirror plate carcass, and columnar permanent magnets in a circumferential pattern.
  • a permanent magnet iron structure is formed, and end plates are brought into contact with both end surfaces of the permanent magnet iron structure to form a permanent magnet iron structure with this end slope.
  • the permanent magnet structure is fixed with a fixed sigma-node that penetrates the shape of the silicon nabesaka ridge, and the permanent magnet structure is fixed.
  • Assembling a permanent field rotor with a combination of a slope and ⁇ The manufacturing process of a permanent entry field rotor can be simplified with a short working time. Manufacturing method of permanent field rotor and

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

Rotor à champ permanent et procédé de production dans lequel un stratifié acier-silicium (2) en forme d'éventail et un aimant permanent (3) en forme de colonne sont disposés en une suite circulaire alternée pour former un cylindre, les pôles magnétiques des aimants en forme de colonne sont mis en contact avec le stratifié (2) en acier-silicium en forme d'éventail pour alterner les polarités, des plaques terminales (7) sont mises en contact avec les deux surfaces d'extrémité (22) de la structure (11) aimant permanent-culasse ainsi produite, des trous traversants correspondants (71, 21) sont ménagés dans les plaques terminales (7) et dans les stratifiés (2) en acier-silicium en forme d'éventail, la structure aimant permanent-culasse (11) et les plaques terminales (7) sont rendues solidaires à l'aide de tiges (5) passant à travers les trous (71, 21), les plaques terminales (7) subissent une déformation suite à l'application d'une force mécanique, le diamètre du trou traversant (71) de la plaque terminale (7) est plus petit que le diamètre externe de la tige (5), une pluralité de fentes sont formées sur la périphérie interne du trou traversant (71) des plaques terminales (7), et la structure aimant permanent-culasse (11) et les plaques terminales (7) sont rendues solidaires par le matage des plaques terminales (7) sur les tiges (5).
PCT/JP1987/000092 1986-02-17 1987-02-13 Rotor a champ permanent et procede de production Ceased WO1987005164A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61033429A JPS62193537A (ja) 1986-02-17 1986-02-17 永久界磁回転子
JP61/033429 1986-02-17

Publications (1)

Publication Number Publication Date
WO1987005164A1 true WO1987005164A1 (fr) 1987-08-27

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ID=12386304

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1987/000092 Ceased WO1987005164A1 (fr) 1986-02-17 1987-02-13 Rotor a champ permanent et procede de production

Country Status (2)

Country Link
JP (1) JPS62193537A (fr)
WO (1) WO1987005164A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6741010B2 (en) 2000-01-19 2004-05-25 Rolls Royce Plc Rotor disc assembly having rotor rim with alternate magnets and laminated pole pieces
AU2005244582B2 (en) * 2005-03-08 2008-08-28 Lg Electronics Inc. Motor
CN103891105A (zh) * 2011-10-27 2014-06-25 法雷奥电机设备公司 旋转电机的转子、以及包括该转子的旋转电机
US9641033B2 (en) 2013-09-06 2017-05-02 General Electric Company Electric machine having offset rotor sections
US9871418B2 (en) 2012-11-01 2018-01-16 General Electric Company Sensorless electric machine
US9906082B2 (en) 2013-09-06 2018-02-27 General Electric Company Electric machine having reduced torque oscillations and axial thrust
US9906108B2 (en) 2012-11-01 2018-02-27 General Electric Company Sensorless electric machine
FR3111245A1 (fr) * 2020-06-08 2021-12-10 Nidec Psa Emotors Rotor de machine electrique tournante

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980050503A (ko) * 1996-12-20 1998-09-15 추호석 교류 서보모터의 로터
KR100607302B1 (ko) 2002-10-25 2006-07-31 신에츠 폴리머 가부시키가이샤 기판 수납 용기
JP5493580B2 (ja) * 2009-08-17 2014-05-14 富士電機株式会社 電磁ユニット
US9941775B2 (en) 2012-11-01 2018-04-10 General Electric Company D-ring implementation in skewed rotor assembly
CL2014002963A1 (es) * 2013-11-21 2015-06-19 Gen Electric Ensamblaje que comprende una pluralidad de secciones de rotor unidas, que tiene una pluralidad de polos y filas vacias entremedio de ellas, y una pluralidad de anillos conductores.
CN111668951B (zh) * 2020-05-13 2021-12-21 东风博泽汽车系统有限公司 一种转子铁芯结构

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JPS5150408A (fr) * 1974-08-30 1976-05-04 Kollmorgen Corp

Family Cites Families (1)

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JPS5122701B1 (fr) * 1971-06-07 1976-07-12

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JPS5150408A (fr) * 1974-08-30 1976-05-04 Kollmorgen Corp

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TOKKYOCHO-HEN, "Tokkyo kara mita Kikai Yoso Binran (Kochaku)", 25 September 1980 (25.09.80), Hatsumei Kyokai, p. 98-101. *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6741010B2 (en) 2000-01-19 2004-05-25 Rolls Royce Plc Rotor disc assembly having rotor rim with alternate magnets and laminated pole pieces
AU2005244582B2 (en) * 2005-03-08 2008-08-28 Lg Electronics Inc. Motor
US7504753B2 (en) 2005-03-08 2009-03-17 Lg Electronics Inc. Motor
RU2364017C2 (ru) * 2005-03-08 2009-08-10 Эл Джи Электроникс Инк. Электродвигатель
CN103891105A (zh) * 2011-10-27 2014-06-25 法雷奥电机设备公司 旋转电机的转子、以及包括该转子的旋转电机
CN103891105B (zh) * 2011-10-27 2016-12-07 法雷奥电机设备公司 旋转电机的转子、以及包括该转子的旋转电机
US9871418B2 (en) 2012-11-01 2018-01-16 General Electric Company Sensorless electric machine
US9906108B2 (en) 2012-11-01 2018-02-27 General Electric Company Sensorless electric machine
US9641033B2 (en) 2013-09-06 2017-05-02 General Electric Company Electric machine having offset rotor sections
US9906082B2 (en) 2013-09-06 2018-02-27 General Electric Company Electric machine having reduced torque oscillations and axial thrust
FR3111245A1 (fr) * 2020-06-08 2021-12-10 Nidec Psa Emotors Rotor de machine electrique tournante

Also Published As

Publication number Publication date
JPS62193537A (ja) 1987-08-25

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