WO2013179800A1 - コイルの巻線方法及び変圧器 - Google Patents

コイルの巻線方法及び変圧器 Download PDF

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Publication number
WO2013179800A1
WO2013179800A1 PCT/JP2013/061571 JP2013061571W WO2013179800A1 WO 2013179800 A1 WO2013179800 A1 WO 2013179800A1 JP 2013061571 W JP2013061571 W JP 2013061571W WO 2013179800 A1 WO2013179800 A1 WO 2013179800A1
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WIPO (PCT)
Prior art keywords
winding
unit
coil portion
unit coil
outward
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/JP2013/061571
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English (en)
French (fr)
Japanese (ja)
Inventor
吉森　平
浩二 中嶋
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SHT Corp Ltd
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SHT Corp Ltd
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 SHT Corp Ltd filed Critical SHT Corp Ltd
Priority to KR1020147033259A priority Critical patent/KR102079409B1/ko
Priority to IN2684KON2014 priority patent/IN2014KN02684A/en
Priority to CN201380027948.XA priority patent/CN104335304B/zh
Publication of WO2013179800A1 publication Critical patent/WO2013179800A1/ja
Priority to US14/548,876 priority patent/US9242830B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/082—Devices for guiding or positioning the winding material on the former
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/10—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/10—Single-phase transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/061—Winding flat conductive wires or sheets
    • H01F41/063—Winding flat conductive wires or sheets with insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils

Definitions

  • the present invention relates to a winding method of a coil composed of a plurality of coil layers, and a transformer using such a coil.
  • FIG. 11 there is known a coil in which unit coil parts (9) formed by spirally winding a conducting wire (94) are repeatedly arranged in the winding axis direction.
  • the 1st unit winding part (91) and the 2nd unit winding which have mutually different inner circumference length by spirally winding a conducting wire like FIG. 12 (a).
  • the unit (92) and the third unit winding portion (93) are continuously formed in the winding axis direction, and the unit coil portion including the plurality of unit winding portions (91) (92) (93) is wound After forming the intermediate product of the air core coil by continuously forming in the direction, the intermediate product is compressed in the winding axis direction, and as shown in FIG.
  • Patent Document 1 a method of obtaining a finished product of an air core coil consisting of three layers in the example shown.
  • a large number of coil units (81) spirally wound from the inner circumferential side to the outer circumferential side are manufactured, and then these coil units ( 81) are arranged in the winding axis direction, and adjacent coil units (81) and (81) are connected in series with each other by crossover wires (not shown).
  • the number of arrangement of the unit coil portion exceeds 50, as shown in FIGS. 12 (a) and 12 (b).
  • the elastic repulsive force increases when the intermediate product is compressed in the direction of the winding axis, to maintain the coil in a compressed state. Strong restraints are needed.
  • an object of the present invention is to form a plurality of unit coil portions formed by winding at least one wire in a spiral, repeatedly in the winding axis direction, and each unit coil portion has a plurality of inner circumferential lengths different from each other.
  • unit coil portions formed by winding at least one wire in a spiral are repeatedly arranged in the winding axis direction, and each unit coil portion has an inner circumferential length
  • a method of manufacturing a coil which is formed of a plurality of different unit turns, and in which at least a portion of the unit turns having a small inner circumference intrude inside the unit turns having a large inner circumference
  • An outwardly wound unitary coil portion is formed by spirally winding a conducting wire from the inner circumferential side to the outer circumferential side to form a plurality of unit winding portions stacked along a plane orthogonal to the winding axis.
  • Unit coil section forming process An inward winding forming an inward winding unit coil portion comprising a plurality of unit winding portions laminated along a plane orthogonal to the winding axis by spirally winding a conducting wire from the outer peripheral side toward the inner peripheral side.
  • the outward winding unit coil portion and the inward winding unit coil portion are alternately arranged along the winding axis.
  • the step of forming a unit winding portion on the outer peripheral side by repeating on the outer peripheral surface of the unit winding portion on the inner peripheral side is repeated from the inner peripheral side toward the outer peripheral side.
  • the side surface of the outward winding unit coil portion Forming a unit winding at a position separated by at least the width dimension of the conducting wire, and pushing the unit winding along the winding axis direction until it contacts the side surface of the outward winding unit coil, It is characterized by repeating from the inner circumference side.
  • the outward winding unit coil portion forming step is started first, and the inward winding unit coil portion forming step Start with the outward winding unit coil part forming process and end with the outward winding unit coil part forming process, first start with the inward winding unit coil part forming process; It is possible to adopt a method of ending in the winding unit coil portion forming step or a method of starting from the inward winding unit coil portion forming step and ending in the outward winding unit coil portion forming step.
  • the outward direction already formed is formed.
  • an elastic repulsive force parallel to the winding axis direction is received from the winding portion, in the outward winding unit coil portion forming step, the conducting wire is wound from the inner circumferential side to the outer circumferential side along the plane orthogonal to the winding axis.
  • the unit winding parts are stacked in a wound shape, the unit winding parts do not receive an elastic repulsive force parallel to the winding axis direction. Therefore, the unit coil portions are brought into contact with each other in the completed coil state as compared with the winding method in which both the outward winding unit coil portion and the inward winding unit coil portion are compressed in the winding axis direction as in the prior art.
  • the binding force required to maintain a steady state is smaller.
  • the plurality of unit windings stacked in the outward winding unit coil forming step are aligned in a plane perpendicular to the winding axis without variation in position in the winding axis direction.
  • the unit winding portion forming step after the unit winding portion is formed at a position separated from the side surface of the already formed outward winding unit coil portion, the unit winding portion is subjected to the outward winding side coil portion
  • the unit winding parts constituting the inward winding unit coil part are also aligned in a plane perpendicular to the winding axis without deviation in position in the winding axis direction by pushing along the winding axis direction until it contacts become.
  • the plurality of unit windings constituting the coil are arranged in order.
  • a plurality of unit winding portions are formed around the winding base member by rotating the winding base member around the winding axis.
  • a plurality of unit winding parts will be laminated in order from the inner circumference side to the outer circumference side along a plane orthogonal to the winding axis.
  • a plurality of unit winding portions are formed by rotating a wire winding control mechanism around a winding axis, and the wire winding control mechanism A plurality of winding members overlapping in a direction orthogonal to the winding axis, and a reciprocating drive device for reciprocating each winding member along the winding axis, the operation of the reciprocating drive device, the plurality of winding members
  • the lead wire is wound around the outer peripheral surface of the winding member by rotating the wire winding control mechanism in a state in which the outer peripheral surface of one of the winding members is exposed, and the winding according to the outer shape of the winding member Form a unit winding of inner circumferential length.
  • the plurality of unit winding parts constituting the inward winding unit coil part are respectively formed in the correct shape and the inner circumferential length.
  • the lead wire is wound around the outer peripheral surface of one winding member to form one unit winding portion, and then, it is disposed on the outer peripheral side of the winding member By advancing the winding member in the winding axial direction, the unit winding portion is pushed until it contacts the side surface of the outward winding unit coil portion.
  • the unit winding portion on the inner circumferential side is formed in contact with the inner circumferential surface of the unit winding portion on the outer circumferential side, and the plurality of unit winding portions are aligned in a plane orthogonal to the winding axis.
  • the winding member disposed on the inner circumferential side of the winding member is located on the outer circumferential side of the winding member.
  • the wire winding control mechanism further includes a support member for supporting the unit winding portion pushed to contact the side surface of the outward winding unit coil portion even after the winding member is retracted. Is equipped. According to this specific aspect, the unit winding portion wound around one winding member is supported by the support member even after the winding member is retracted, so that the winding shape does not collapse.
  • the outward winding unit coil portion or the inward winding unit coil portion after forming the outward winding unit coil portion or the inward winding unit coil portion, all already formed by advancing all winding members of the wire winding control mechanism.
  • the unit coil portion of is moved in the winding axis direction by the width dimension of the conducting wire.
  • a plurality of unit coil portions are formed one after another and fed out in the winding axis direction.
  • a guide is formed on the side surface of the outward winding unit coil part initially formed on the half side of the winding member. By pressing the plate, the pressing force due to the forward movement of the winding member is received.
  • the plurality of unit windings constituting the inward winding unit coil portion are outwardly wound. It can be pressed reliably against the unit coil portion and brought into contact with the side surface of the winding unit coil portion.
  • the lead from the outermost unit winding portion of the outward winding unit coil portion When forming the connecting wire extending to the outermost unit winding portion of the inward winding unit coil portion and forming the outward winding unit coil portion after forming the inward winding unit coil portion, A crossover is formed extending from the innermost unit winding portion of the inward winding unit coil portion to the innermost unit winding portion of the outward winding unit coil portion.
  • the connecting wire is formed by bending the conducting wire in an S-shape between adjacent unit coil portions.
  • a coil constituting either or both of the primary winding and the secondary winding is: An outward winding unit coil portion formed of a plurality of unit winding portions formed by spirally winding a conducting wire from the inner circumferential side to the outer circumferential side, and laminated along a plane orthogonal to the winding axis; A winding shaft is formed by winding a conducting wire in a spiral form from the outer peripheral side to the inner peripheral side, and an inward winding unit coil portion comprising a plurality of unit winding portions stacked along a plane orthogonal to the winding axis
  • the outward winding unit coil portions and the inward winding unit coil portions adjacent to each other are alternately connected to each other by outermost unit winding portions or innermost unit winding portions. .
  • the outward winding unit coil portion overlaps the outer circumferential surface of the unit winding portion on the inner circumferential side to form a unit winding portion on the outer circumferential side, from the inner circumferential side to the outer circumferential side
  • the inward winding unit coil portion is formed by repeating toward the bottom, and the unit winding portion is formed at a position away from the side surface of the outward winding unit coil portion formed immediately before, the unit winding portion Is produced by repeating the process of pushing along the winding axis direction until it contacts the side surface of the outward winding unit coil part from the outer peripheral side to the inner peripheral side.
  • the plurality of unit windings can be arranged in order, and the plurality of unit coil portions can be kept in contact with each other with a relatively small constraining force.
  • a plurality of unit coil parts constituting a coil are in close contact with each other and arranged densely, so that the miniaturization of the coil and hence the miniaturization of the transformer are realized. It is possible to reduce the core loss by reducing the size of the core as well as reducing the size of the coil, so that it is possible to realize low loss of the transformer.
  • the transformer of the present invention it is possible to wind a wider conductor (thick wire) using this space by eliminating the gaps between the plurality of coil layers. Can reduce the copper loss. Furthermore, according to the transformer of the present invention, since the plurality of unit coil sections are continuously wound without being divided, the material and connecting process for connecting the unit coil sections can be omitted.
  • FIG. 1 is a partially broken front view of a winding machine for carrying out a winding method of a coil according to the present invention.
  • FIG. 2 is a perspective view showing the main part of the winding machine.
  • FIG. 3 is a view showing first to third steps of the method for winding a coil according to the present invention.
  • FIG. 4 is a view showing fourth to seventh steps of the method for winding a coil according to the present invention.
  • FIG. 5 is a view showing eighth to eleventh steps of the method for winding a coil according to the present invention.
  • FIG. 6 is a view showing twelfth to fourteenth steps of the winding method of the coil according to the present invention.
  • FIG. 7 is a figure which shows the 15th process of the winding method of the coil based on this invention, 16th process, and the following 1st process.
  • FIG. 8 is a perspective view of a coil produced by the winding method of the coil according to the present invention.
  • FIG. 9 is a view showing a winding sequence of a coil manufactured by the winding method of the present invention.
  • FIG. 10 is a view showing a winding sequence of a coil manufactured by the conventional winding method.
  • FIG. 11 is a perspective view of a conventional coil.
  • FIG. 12 is a diagram showing a manufacturing process of the coil shown in FIG.
  • FIG. 13 is a view schematically showing a configuration of a transformer according to the present invention.
  • FIG. 8 shows a coil (1) to be produced by the winding method of the present invention, the coil (1) spirally winding a flat conductive wire (11) having a rectangular cross section whose surface is coated with insulation. The whole is formed in a substantially square tube shape. From both ends of the coil (1), a winding start portion (12) and a winding end portion (13) are drawn out. In addition, at the four corners of the coil (1), the conducting wire (11) is bent in an arc shape, and the outer peripheral surface of the inner arc line portion laminated in the radial direction and the inner peripheral surface of the outer arc line portion have the same curvature radius Have contact with each other.
  • FIG. 9 shows the winding order of the coil (1).
  • an outward winding unit coil portion (14) formed by laminating a plurality of unit winding portions from the inner circumferential side to the outer circumferential side along a plane orthogonal to the winding axis;
  • Inward winding unit coil sections (15) formed by laminating a plurality of unit winding sections from the outer peripheral side to the inner peripheral side along the plane orthogonal to the ing.
  • outward winding unit coil portion (14) and the inward winding unit coil portion (15) are in contact with each other, and the outward winding unit coil portion (14) and the inward winding unit coil portion A plurality of unit winding parts which constitute each of (15) contact mutually in a lamination direction.
  • the outward winding unit coil portion (14) and the inward winding unit coil portion (15) in contact with each other have crossovers (unit winding portions on the innermost circumference or unit winding portions on the outermost circumference). It is mutually connected via the illustration).
  • a connecting wire (16) for connecting the outermost unit winding parts to each other is formed by bending a conducting wire in an S-shape between adjacent unit coil parts.
  • a connecting wire connecting the innermost unit winding portions to each other is similarly formed.
  • the gap G is formed between the adjacent coil units (81) and (81), and the length L 'in the winding axis direction is large.
  • the length L in the winding axis direction can be made smaller.
  • FIG. 1 shows a winding machine (2) for producing a coil (1) in which the outward winding unit coil portion (14) and the inward winding unit coil portion (15) are each composed of six layers of unit winding portions. Is shown.
  • the wire winding device (24) is rotatably supported around a horizontal rotation shaft (23) by the frame (22) on the machine base (21), and is not shown. It is possible to rotationally drive by a motor.
  • the wire winding device (24) comprises wire winding portions (3) at four corners of a substantially rectangular shape centering on the rotation axis (23), and includes four wire winding portions (3) to (3). At the same time, by rotating simultaneously, the conducting wire (11) is wound around the conducting wire winding parts (3) to (3) to produce the coil (1) shown in FIG.
  • the wire winding portion (3) includes a winding base member (31) whose outer peripheral surface is an arc surface, a wire winding control mechanism (4), and the wire winding control mechanism (4). And a coupled reciprocating drive (6).
  • the wire winding control mechanism (4) comprises a first winding member (41), a second winding member (42), a third winding member (43), a third winding member (41) each having an arc shape over an angle range of 90 degrees.
  • the four winding members (44), the fifth winding member (45) and the sixth winding member (46) are stacked in the direction orthogonal to the rotation shaft (23), and these winding portions (41 ) To (46) each have an outer peripheral surface of an arc surface parallel to the rotation axis (23) and a side surface orthogonal to the rotation axis (23).
  • the second winding member (42), the third winding member (43), the fourth winding member (44), the fifth winding member (45) and the sixth winding member (46) are reciprocally driven Each of the devices (6) is independently driven to reciprocate in the direction along the rotation shaft (23).
  • the outer peripheral surface of the base member (31) has the same radius of curvature as the inner peripheral surface of the six unit windings stacked at each of the four corners of the coil (1) shown in FIG.
  • the thicknesses of the second winding member (42), the third winding member (43), the fourth winding member (44), the fifth winding member (45) and the sixth winding member (46) And the thickness of the wire forming the coil (1).
  • the wire winding portion (3) includes a lift plate (5) which moves up and down in a direction perpendicular to the rotation shaft (23), and three support pins (51) erected on the lift plate (5).
  • the attachment member (46) is provided with three grooves (47) (47) (47) into which the three support pins (51) (51) (51) can enter.
  • a guide plate (7) orthogonal to the rotating shaft (23) is disposed so as to be capable of reciprocating in a direction along the rotating shaft (23).
  • FIGS. 3 to 7 show a winding method of the coil (1) using the above-mentioned winding machine (2).
  • the four winding members (44), the fifth winding member (45) and the sixth winding member (46) form one side surface (4a) orthogonal to the rotation axis (23).
  • the wire winding device (24) once, the wire is wound around the four winding base members (31) to form a unit winding of the first layer.
  • the leading end of the lead (11) shown in FIG. 1 is locked on the lead winding device (24). In this state, by rotating the wire winding device (24), a certain amount of tension acts on the wire (11).
  • the second layer, the third layer, the fourth layer, and the like are formed on the unit winding portion of the first layer by rotating the wire winding device (24) five more times.
  • Unit winding portions of the fifth and sixth layers are stacked to form an outward winding unit coil portion (14). Since the outward winding unit coil portion (14) is formed along the side surface (4a) of the wire winding control mechanism (4), the six layer unit winding portion is vertical without scattering in the winding axis direction. Will be stacked.
  • the outward winding unit coil portion (14) is formed by the guide plate (7) shown in FIG. 2 as the side surface (4a) of the wire winding control mechanism (4). It is possible to form the outward winding unit coil portion (14) more accurately by guiding from the opposite side from the above.
  • the wire winding control mechanism (4) is advanced along the rotation axis (23) to the winding base member (31) side, and the outward winding unit coil portion ( Move 14) by one pitch according to the width of the winding.
  • the support pin (51) is accommodated inside the groove (47) of the wire winding control mechanism (4).
  • the first winding member (41) is retracted by a distance corresponding to the width of the conducting wire to expose the outer peripheral surface of the second winding member (42).
  • the lead wire is wound around the outer peripheral surface of the four second winding members (42) by rotating the wire winding device (24) once, and the unit winding portion of the seventh layer is formed.
  • the unit winding portion of the seventh layer is formed along the side surface (41a) of the first winding member (41) and in contact with the unit winding portion of the sixth layer.
  • the crossover (16) shown in FIG. 8 is formed between the unit coil portion of the sixth layer and the unit coil portion of the seventh layer.
  • a sixth step P6 the first winding member (41) is retracted by a distance corresponding to the width of the conducting wire, and the second winding member (42) is moved a distance corresponding to twice the width of the conducting wire By retracting, the outer peripheral surface of the third winding member (43) is exposed.
  • the unit coil portion of the seventh layer is supported by the support pins (51), so the winding shape is not broken.
  • a seventh step P7 the lead wire winding device (24) is rotated once to wind the lead wire around the outer peripheral surface of the four third winding members (43), and the unit winding portion of the eighth layer is formed.
  • the unit winding portion of the eighth layer is formed along the side surface (42a) of the second winding member (42).
  • the first winding member (41) and the second winding member (42) are advanced by a distance corresponding to the width of the conducting wire to form a unit winding of the eighth layer.
  • the support pin (51) is lowered by the thickness of the winding.
  • the unit winding portion of the eighth layer contacts the side surface of the unit winding portion of the fifth layer and contacts the inner circumferential surface of the unit winding portion of the seventh layer. .
  • the eighth step P8 it is effective to receive the outward winding unit coil portion (14) by the guide plate (7) in the process of pushing the unit winding portion of the eighth layer. This makes it possible to more reliably press the unit turn of the eighth layer against the unit turn of the fifth layer.
  • the first winding member (41) and the second winding member (42) are retracted by a distance corresponding to the width of the conducting wire, and the third winding member (43) is made of The outer circumferential surface of the fourth winding member (44) is exposed by retracting by a distance corresponding to twice the width.
  • the unit coil portion of the eighth layer is supported by the support pins (51), so that the winding shape is not broken.
  • the lead wire winding device (24) is rotated once to wind the lead wire around the outer peripheral surface of the four fourth winding members (44), and the unit winding portion of the ninth layer is formed.
  • the unit winding portion of the ninth layer is formed along the side surface (43a) of the third winding member (43).
  • the first winding member (41), the second winding member (42) and the third winding member (43) are advanced by a distance corresponding to the width of the conducting wire.
  • the support pin (51) is lowered by the thickness of the winding.
  • the unit winding portion of the ninth layer contacts the side surface of the unit winding portion of the fourth layer and contacts the inner circumferential surface of the unit winding portion of the eighth layer.
  • step P12 it is effective to receive the outward winding unit coil portion (14) by the guide plate (7) in the process of pushing the unit winding portion of the ninth layer. This makes it possible to more reliably press the unit winding of the ninth layer against the unit winding of the fourth layer.
  • the inward winding unit coil portion (15) is formed in contact with the side surface of the already formed outward winding unit coil portion (14), the six layer unit winding portions are in the winding axis direction It will be vertically stacked without dispersion.
  • the wire winding control mechanism (4) is advanced along the rotating shaft (23) to the winding base member (31) side, and an outward winding unit coil portion (14)
  • the inward winding unit coil portion (15) is moved by one pitch according to the width of the conducting wire.
  • a sixteenth step P16 the wire winding control mechanism (4) is retracted by a distance corresponding to the width of the wire. As a result, it becomes possible to form the next outward winding unit coil portion (14) along the side surface (4a) of the wire winding control mechanism (4). That is, in the next first step P1 ', the conducting wire is wound around the four winding base members (31) by rotating the conducting wire winding device (24) once to form a unit winding of the thirteenth layer. . In the transition from the sixteenth process P16 to the next first process P1 ′, a crossover is formed between the unit coil portion of the twelfth layer and the unit coil portion of the thirteenth layer.
  • the coil (1) in which the directionally wound unit coil portion (14) and the inward wound unit coil portion (15) are alternately and repeatedly formed is completed.
  • the inward winding is performed, for example, as shown in the eighth process P8 of FIG. 5 and the twelfth process P12 of FIG.
  • the process of pressing the unit winding portion constituting the turn unit coil portion (15) along the winding axis direction until it comes into contact with the side surface of the outward winding unit coil portion (14) already formed from the unit winding portion Is subjected to an elastic repulsive force parallel to the winding axis direction, but in the process of forming the outward winding unit coil portion (14), for example, as shown in the first process P1 to the second process P2 of FIG.
  • the unit coil portions are brought into contact with each other in the completed coil state as compared with the winding method in which both the outward winding unit coil portion and the inward winding unit coil portion are compressed in the winding axis direction as in the prior art.
  • the restraining force required to maintain a steady state is halved. Therefore, in the coil (1) shown in FIG. 1, all unit windings can be kept in contact with each other by, for example, tying the bundle of unit windings by a simple means such as an insulating tape. .
  • the unit winding portion is pushed inward along the winding axis direction until it contacts the side surface of the outward winding unit coil portion (14).
  • the plurality of unit winding parts constituting the unit coil part (14) are also aligned in the plane perpendicular to the winding axis without the positional deviation in the winding axis direction. As a result, the plurality of unit windings constituting the coil (1) are arranged in order.
  • FIG. 13 shows the configuration of the transformer according to the present invention, in which three coil assemblies for three phases (101) (102) (103) and their coil assemblies 101) (102) (103), and a core (104) to form a magnetic path is accommodated.
  • Each of the three coil assemblies (101) (102) (103) comprises a primary winding (105) and a secondary winding (106) coaxially, and as a primary winding (105), as shown in FIG.
  • the above described coil (1) shown is employed.
  • the size of the coil constituting the primary winding (105) determines the size of the transformer.
  • the plurality of unit windings (14) and (15) are in close contact with each other, so that It is possible to realize the miniaturization of the coil (1) and hence the miniaturization of the transformer.
  • the core loss can be reduced by the miniaturization of the core (104) accompanying the miniaturization of the coil (1), it is possible to realize the reduction of the transformer.
  • the rotational axis (23) of the winding machine (2) is not limited to horizontal, and can be vertically disposed.
  • the coil (1) is wound spirally around the vertical winding axis.
  • the guide by the guide plate (7) in the process of forming the outward winding unit coil portion (14) is not necessarily essential.
  • the coil winding method of the present invention can obtain a particularly great effect in the preparation of the coil (1) formed from a rectangular wire having a rectangular cross section, but the invention is not limited thereto, and various methods such as round wire and elliptical wire are available. It is also possible to use for the preparation of the coil formed from a conducting wire. In addition, in the case of the rectangular wire of a cross-sectional rectangle, not only a horizontally long rectangular cross section but a longitudinally long rectangular cross section may be sufficient.
  • the outward winding unit coil portion forming step and the inward winding unit coil portion forming step are repeated first by starting from the outward winding unit coil portion forming step, and the outward winding unit
  • the method is not limited thereto, but first the method of starting from the outward winding unit coil part forming process and ending in the inward winding unit coil part forming process or the first inward winding Starting from the unit coil section forming process and ending with the inward winding unit coil section forming process, or starting from the inward winding unit coil section forming process and ending with the outward winding unit coil section forming process Can be adopted.
  • the winding start portion (12) and the winding end portion (12) 13) can be drawn out from the outermost unit winding of the coil (1), so the space necessary for drawing out the lead wire from the innermost circumference to the outside becomes unnecessary, and the coil is thereby miniaturized Ru.
  • connection with an external circuit such as an adjacent coil can be facilitated.
  • the winding start portion (12) and the winding end portion (13) are not limited to the configuration in which the unit winding portion at the outermost periphery of the unit coil portions at both ends and the unit winding portion at the innermost periphery are drawn out. It is also possible to withdraw.
  • the transformer according to the present invention is not limited to the configuration in which the primary winding (105) is formed by the coil (1) of the present invention, and the secondary winding (106) is formed by the coil (1) of the present invention It is also possible to construct, each of the primary winding (105) and the secondary winding (106) by means of the coil (1) according to the invention.
  • the transformer according to the present invention can be applied not only to high power and high voltage transformers, but also to transformers for various applications including low power, low and high voltage transformers and transformers. It is.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Coil Winding Methods And Apparatuses (AREA)
  • Manufacture Of Motors, Generators (AREA)
PCT/JP2013/061571 2012-05-31 2013-04-19 コイルの巻線方法及び変圧器 Ceased WO2013179800A1 (ja)

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IN2684KON2014 IN2014KN02684A (https=) 2012-05-31 2013-04-19
CN201380027948.XA CN104335304B (zh) 2012-05-31 2013-04-19 线圈的绕线方法及变压器
US14/548,876 US9242830B2 (en) 2012-05-31 2014-11-20 Coil winding method and transformer

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JP2012-124012 2012-05-31
JP2012124012 2012-05-31
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JP2012144962A JP5490186B2 (ja) 2012-05-31 2012-06-28 コイルの巻線方法及び変圧器

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CN108369854A (zh) * 2015-12-18 2018-08-03 西门子股份公司 绕组装置
CN116313500A (zh) * 2023-02-28 2023-06-23 浙江郎立电工器材有限公司 一种聚酰胺酰亚胺漆包线圈的加工工艺及加工装置

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CN106469598B (zh) * 2016-08-29 2018-05-04 中车株洲电机有限公司 一种多层绕组及其绕制方法
JP2018098407A (ja) * 2016-12-15 2018-06-21 東芝産業機器システム株式会社 巻線及びその製造装置、並びに巻線の製造方法
JP7206803B2 (ja) * 2018-10-26 2023-01-18 スミダコーポレーション株式会社 コイル線材、電流センサ部材及び電流センサ
CN117912832B (zh) * 2023-05-31 2024-11-15 迈昆(苏州)工程技术有限公司 一种绕线装置和绕线方法

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CN116313500A (zh) * 2023-02-28 2023-06-23 浙江郎立电工器材有限公司 一种聚酰胺酰亚胺漆包线圈的加工工艺及加工装置

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IN2014KN02684A (https=) 2015-05-08
TW201405602A (zh) 2014-02-01
JP2014017279A (ja) 2014-01-30
CN104335304B (zh) 2017-02-22
US9242830B2 (en) 2016-01-26
KR102079409B1 (ko) 2020-02-19
KR20150013624A (ko) 2015-02-05
CN104335304A (zh) 2015-02-04
US20150145631A1 (en) 2015-05-28
TWI581282B (zh) 2017-05-01

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