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WO2014123277A1 - Procédé permettant de fabriquer un transformateur à noyau enroulé et transformateur à noyau enroulé fabriqué au moyen de ce dernier - Google Patents

Procédé permettant de fabriquer un transformateur à noyau enroulé et transformateur à noyau enroulé fabriqué au moyen de ce dernier Download PDF

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Publication number
WO2014123277A1
WO2014123277A1 PCT/KR2013/003190 KR2013003190W WO2014123277A1 WO 2014123277 A1 WO2014123277 A1 WO 2014123277A1 KR 2013003190 W KR2013003190 W KR 2013003190W WO 2014123277 A1 WO2014123277 A1 WO 2014123277A1
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WO
WIPO (PCT)
Prior art keywords
winding
core
iron core
strip
winding frame
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/KR2013/003190
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English (en)
Korean (ko)
Inventor
김기성
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.)
Hyundai SWD Industry Co Ltd
Original Assignee
Hyundai SWD Industry Co 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 Hyundai SWD Industry Co Ltd filed Critical Hyundai SWD Industry Co Ltd
Publication of WO2014123277A1 publication Critical patent/WO2014123277A1/fr
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
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • 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
    • H01F27/25—Magnetic cores made from strips or ribbons

Definitions

  • the present invention relates to a winding coil core transformer with a low electrical loss and a method of manufacturing the same. More particularly, the winding core coil is wound around a wire and then wound around the core to form a wound core coil.
  • the present invention relates to a winding wound core transformer with low loss and a method of manufacturing the same.
  • transformers exist as main electrical equipment in power plants, substations, power lines, control equipment and measuring equipment. It is the principle of transformer by electromagnetic exchange, electromagnetic induction and coil Faraday's law. According to the structure and arrangement of the iron core and the winding forming the transformer, it is classified into inner type, outer type and winding core type transformer.
  • a general transformer is assembled by inserting an iron core into a winding frame wound around a wire, but there is a problem in that a substantial amount of magnetic flux leaks there due to the inherent characteristics of the magnetic field.
  • a coil core transformer is a transformer using an iron core made by swirling a directional silicon steel strip rolled in a continuous ribbon shape. Since there is no iron core, there is little loss and very good magnetic characteristics. High current efficiency due to low current
  • the cut core method is limited to the loss of the magnetic flux to some extent because the core is disconnected, compared to the complete ring structure.
  • Patent Document 1 KR Application No. 10-2001-7002781 Transformer Core Application Date 2001.03.02.
  • Patent Document 2 KR Application No. 10-1997-0709399 Transformer application date 1997.12.15.
  • the winding winding core-type transformer with low electrical loss according to the present invention has no vibration compared to a conventional transformer core, so that the noise is low, the manufacturing is easy, and the waste of material is prevented.
  • a method of manufacturing a low-knock core transformer in which a coil core is wound around a core of a coil core does not have a seat.
  • the winding of one side of the low voltage together with the insulating paper 13 is first wound around the fitting portion of the housing 10, and the other winding of the high voltage is also wound together with the insulating paper while the insulating paper 13 is insulated thereon, and then back to the outside of the insulating paper.
  • the core strips to be put into the winding frame (1) wound by winding the primary and secondary windings are divided into predetermined lengths, each of which is wound in a doughnut shape so as to have a diameter slightly larger than the winding frame, and the core strips are annular loops.
  • the winding frame 1 wound around the one winding core is placed inside the annular ring of the other iron core strip 2 'and the inner end 2 of the annular ring of the other iron core strip 2'.
  • 'a) is passed through the inside of the winding frame, while rotating the annular ring of the other iron core strip (2') in one direction, or the winding frame (1) to the other iron core strip (2 ') annular ring
  • the inner end 2a of the iron core strip is fixed at one point of the winding frame, and the outer end 2b of the iron core strip is temporarily fixed at an outer point of the iron core strip. It is characterized by that.
  • the winding frame is a three-phase winding winding frame (1 '), characterized in that repeating step (g) and (h) once more.
  • step (b ') the winding frame 1 is positioned inside the annular ring of the iron core strip 2 and the inner end 2a of the donut core strip is wound. Temporarily passing the inner end (2a) of the iron core strip (2) to an inner point of the donut-shaped iron core strip by an adhesive means in the state passed through therein; (c ') rotating the iron core strip 2 relative to the winding frame and repeatedly rotating the iron core strip 2 to a suitable length, and cutting the iron core strip by cutting means when the length is appropriate. (d ') After separating the end 2a of the iron core strip 2 temporarily fixed to the inner point of the iron core strip 2 from the inner one point, the adhesive means also adheres to one point of the core core.
  • steps (b ') to (f') are repeated on the opposite side, so that the two winding cores 3 and 3 'are completed.
  • the winding winding core-type transformer with low electrical loss according to the present invention can obtain the following effects.
  • Figure 1 is a conventional transformer iron core to assemble the iron core after putting the core and the core winding the winding wire wound around the wire.
  • Figure 2 is a perspective view of a wound coil core transformer according to a first embodiment of the present invention.
  • Figure 3 is a first perspective view for explaining a winding coil core transformer manufacturing method according to a first embodiment of the present invention.
  • FIG. 4 is a second perspective view for explaining a method for manufacturing a wound wound core transformer according to a first embodiment of the present invention.
  • FIG. 5 is a third perspective view for explaining a method for manufacturing a wound coil core transformer according to a first embodiment of the present invention.
  • FIG. 6 is a fourth perspective view for explaining a method for manufacturing a wound coil core transformer according to a first embodiment of the present invention.
  • FIG. 7 is a fifth perspective view for explaining a method for manufacturing a wound wound core transformer according to a first embodiment of the present invention.
  • FIG. 8 is a sixth perspective view for explaining a method for manufacturing a wound coil core transformer according to a first embodiment of the present invention.
  • FIG. 9 is a seventh perspective view illustrating a method of manufacturing a wound coil core transformer according to a first embodiment of the present invention.
  • FIG. 10 is a perspective view for explaining a method for manufacturing a wound winding core-type three-phase transformer according to a second embodiment of the present invention.
  • FIG. 11 is a real picture winding winding core transformer according to the present invention.
  • FIG. 12 is a first perspective photograph for explaining a method of manufacturing a wound wound core transformer according to a third embodiment of the present invention.
  • FIG. 13 is a second perspective photograph for explaining a method of manufacturing a wound wound core transformer according to a third embodiment of the present invention.
  • FIG. 14 is a third perspective view illustrating a method of manufacturing a wound wound core transformer according to a third embodiment of the present invention.
  • 15 is a fourth perspective view for explaining a method for manufacturing a wound core core transformer according to a third embodiment of the present invention.
  • FIG. 16 is a fifth perspective view for explaining a method for manufacturing a wound wound core transformer according to a third embodiment of the present invention.
  • 17 is a sixth perspective photograph for describing a method of manufacturing a wound coil core transformer according to a third embodiment of the present invention.
  • FIG. 18 is a seventh perspective photograph for describing a method of manufacturing a wound wound core-type transformer according to a third exemplary embodiment of the present invention.
  • 19 is a final perspective photograph for explaining a method of manufacturing a wound wound core transformer according to a third embodiment of the present invention.
  • the thinnest iron core of the silicon steel sheet as the iron core used in the winding winding core transformer having low electrical loss of the present invention.
  • a silicon steel strip-shaped iron core having a thickness of 0.23 mm and a width of 100 mm may be used. This does not have to be easily broken. Since there is no seat to connect the iron core, there is almost no movement of the iron core, it is easy to manufacture and it prevents waste of materials.
  • the iron core strips to enter the winding frame (1) wound by winding the primary and secondary windings are divided into two so as to have a suitable length (for example, several tens of meters (m)), Each is wound in a doughnut shape to have a diameter slightly larger than the winding frame to form an annular ring shape.
  • the winding of the low voltage in this case, the primary winding
  • the high voltage winding here secondary winding
  • the high voltage winding is also wound with insulation paper, and then it has a cylindrical structure that is wrapped with insulation paper on the outside, and one terminal 11a and the other terminal 11b of the primary winding are Inwardly, one terminal 12a and the other terminal 12b of the secondary winding 12 extend from the outside to the outside. That is, since a coil located inwardly has a high possibility of contacting the winding core, it is desirable to allow a winding of low pressure to be wound inward as much as possible.
  • the winding frame 1 is positioned inside the annular ring of the divided one core core strip 2 (see FIG. 4) and the inner end 2a of the one iron core is wound.
  • the iron core strip (2) With the inner core passed through (see Fig. 5), the iron core strip (2) is rotated slowly in the direction of the arrow in Fig. 5 (and / or the winding frame in the opposite direction of the arrow) to form a circle and the core strip is wound. Make sure to close the mold tightly.
  • the inner end 2a of the iron core strip is fixed at one point of the winding frame, and the outer end 2b of the iron core strip is temporarily fixed at one point of the outer side of the iron core strip.
  • the iron core strip 2 is wound around the winding mold 1 and then the outer end 2b of the inner core strip 2 is attached to the winding mold 1. This completes one side of the core (3), it is now possible to form the right winding frame in the same way.
  • the winding frame 1 is also located inside the annular ring of the divided right iron core strip 2 'and the inner end 2'a of the right iron core passes through the winding frame.
  • the inner end 2'a of the iron core strip is fixed at one point of the winding frame, and the outer end 2'b of the iron core strip is temporarily fixed at an outer point of the iron core strip.
  • the right iron core strip 2 ' is also slowly rotated (and / or rotating the winding frame in the opposite direction of the arrow) as shown in the second step above to rotate the circle.
  • Draw and wind are also slowly rotated (and / or rotating the winding frame in the opposite direction of the arrow) as shown in the second step above to rotate the circle.
  • the right iron core strip 2 ′ is wound around the right side of the winding mold 1, and then the outer end 2 ′ b of the right iron core strip 2 ′ is wound around the winding mold 1.
  • the left and right winding cores 3 and 3 ' are sufficiently tightly wound on the winding frame 1, thereby completing a winding core transformer (see FIG. 11) with less electrical loss.
  • the coil core-type transformer completed by this method can form a core strip of several tens of meters in length without a seam, so that the magnetic flux loss is remarkably low, and the winding of each core can be in close contact. Therefore, the noise can be reduced, and the insulation problem between the coil and the coil is naturally solved. Therefore, the high voltage and high power can be used as a transformer.
  • the winding winding core-type three-phase transformer with less electrical loss is disposed by fixing three winding frames (1, 1 ', 1 ") wound by winding wires in a triangle shape, and then fixing the core strips.
  • Each of the three windings (1, 1 ', 1 ") is wound, and each winding method is performed by repeatedly performing the second, third, and fourth steps of the first embodiment with respect to each of the winding frames, thereby reducing electrical losses.
  • Three winding cores 3, 3 ', 3 are possible, and a winding core three-phase transformer having the advantages of the first embodiment as well as the advantages of the three-phase transformer can be completed.
  • This third embodiment is based on the premise that the iron core strip is wound into a doughnut shape of sufficiently large diameter as shown in FIG.
  • the winding frame 1 is positioned inside the annular ring of the iron core strip 2 and the inner end 2a of the donut core strip is passed into the winding frame ( 12), the inner end 2a of the iron core strip 2 is temporarily fixed to one point inside the donut iron core strip by means of an adhesive such as double-sided tape.
  • the iron core strip 2 is rotated relative to the winding frame as shown in Fig. 14 and repeatedly rotated until it is a proper length. Cut by means. At this time, all the cut iron strip is to pass through the inside of the winding core (see Fig. 15).
  • the end portion 2a of the iron core strip 2 which is temporarily fixed to an inner point of the iron core strip 2 by an adhesive tape or the like, is moved from the inner one point. After separation, it is also fixed to one point of the iron core by an adhesive means such as an adhesive tape (see FIG. 16). Thereafter, the donut-type iron core strip is rotated relative to the winding frame as shown in FIG. 17, but the core strip is closely wound on the winding frame. As shown in Fig. 18, the winding is continued. In this case, the outer end 2b of the iron core strip may be temporarily fixed to an outer point of the iron core strip to facilitate the relative rotation.
  • the iron core strip 2 is wound around the winding mold 1 and then the outer end 2b of the iron core strip 2 is fixed to the winding mold 1. This completes one side of the core (3), it is now possible to form the other side of the core in the same way.
  • the iron core strip may be manufactured in a more tightly pressed form than the coil core of the transformer of the first embodiment.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

La présente invention se rapporte à un transformateur à noyau enroulé permettant de réduire la perte électrique et comprend les étapes consistant à : (a) préparer un bobinier ayant une structure cylindrique ; (d) diviser une bande à noyau de fer en une longueur prédéterminée qui doit être insérée dans le bobinier et façonner une forme de bague annulaire par enroulement de la bande à noyau de fer selon une forme de beignet de sorte à former que chaque bande à noyau de fer divisée présente un diamètre plus important que celui du bobinier ; (e) dans un état de positionnement du bobinier à l'intérieur de la bague annulaire d'un premier côté de la bande à noyau de fer et permettant à une extrémité interne du premier côté de la bande à noyau de fer de passer à travers la partie intérieure du bobinier, faire tourner de façon relative la bague annulaire de la bande à noyau de fer par rapport au bobinier tout en enroulant de façon serrée la bande à noyau de fer autour du bobinier ; et (f) terminer un côté du noyau enroulé par fixation d'une extrémité externe de la bande à noyau de fer au bobinier après enroulement complet de la bande à noyau de fer autour du bobinier.
PCT/KR2013/003190 2013-02-07 2013-04-16 Procédé permettant de fabriquer un transformateur à noyau enroulé et transformateur à noyau enroulé fabriqué au moyen de ce dernier Ceased WO2014123277A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0013809 2013-02-07
KR20130013809 2013-02-07

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WO2014123277A1 true WO2014123277A1 (fr) 2014-08-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113436880A (zh) * 2021-07-07 2021-09-24 新沂市向荣电子有限公司 一种避免绕线混乱用于微型变压器的全自动绕线设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05226168A (ja) * 1991-03-20 1993-09-03 Kawatetsu Densetsu Kk 定電圧変圧器
JP2003257745A (ja) * 2001-12-28 2003-09-12 Wb Trans:Kk 巻鉄心型リアクトル、巻鉄心型変成器、及びそれらの製造方法
JP2009283882A (ja) * 2008-05-20 2009-12-03 Minoru Murano 巻鉄心型３相変圧器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05226168A (ja) * 1991-03-20 1993-09-03 Kawatetsu Densetsu Kk 定電圧変圧器
JP2003257745A (ja) * 2001-12-28 2003-09-12 Wb Trans:Kk 巻鉄心型リアクトル、巻鉄心型変成器、及びそれらの製造方法
JP2009283882A (ja) * 2008-05-20 2009-12-03 Minoru Murano 巻鉄心型３相変圧器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113436880A (zh) * 2021-07-07 2021-09-24 新沂市向荣电子有限公司 一种避免绕线混乱用于微型变压器的全自动绕线设备
CN113436880B (zh) * 2021-07-07 2022-02-18 新沂市向荣电子有限公司 一种避免绕线混乱用于微型变压器的全自动绕线设备

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