WO2014017212A1 - アモルファス鉄心変圧器 - Google Patents
アモルファス鉄心変圧器 Download PDFInfo
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- WO2014017212A1 WO2014017212A1 PCT/JP2013/066466 JP2013066466W WO2014017212A1 WO 2014017212 A1 WO2014017212 A1 WO 2014017212A1 JP 2013066466 W JP2013066466 W JP 2013066466W WO 2014017212 A1 WO2014017212 A1 WO 2014017212A1
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- WIPO (PCT)
- Prior art keywords
- insulating member
- iron core
- flange
- coil
- amorphous iron
- Prior art date
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- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
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- 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
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- 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
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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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)
- H01F41/0226—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous ribbons
Definitions
- the present invention relates to a technique for providing an amorphous iron core transformer.
- Patent Document 1 Japanese Patent Laid-Open No. 05-190342
- Japanese Patent Laid-Open No. 05-190342 Japanese Patent Laid-Open No. 05-190342
- a wound iron core An iron core cover having a cylindrical portion into which the leg portions of the cylindrical portion can be inserted and flange portions provided at both ends of the cylindrical portion is provided, and the cylindrical portions of these iron core covers are inserted into the window portions of the windings.
- each yoke part of the wound core is covered with a bent flange part.
- Patent Document 1 discloses an insulating member similar to the present invention, but does not disclose a method for expanding the insulating member or a method of inserting the insulating member into the coil hole.
- the present invention in the process of assembling the amorphous iron core transformer, when there is a deviation between the coil and the iron core, or when a deviation occurs between the coil and the iron core due to vibration or unloading shock during transportation.
- the insulating member may be damaged and amorphous fragments may be scattered.
- An object of the present invention is to provide an amorphous iron core transformer that solves the above problems and prevents scattering of amorphous debris.
- the present invention provides an amorphous iron core transformer formed by assembling an amorphous iron core having a joint and a coil, folding an insulating member having a rectangular cylindrical portion and a flange, and forming a hole in the coil. Insert the insulating member folded in, expand the cylindrical part and flange of the insulating member, open the joint part of the amorphous iron core, and insert the opened amorphous iron core into the cylindrical part of the insulating member in the coil The open portion of the amorphous iron core is wrapped, and the yoke portion of the amorphous iron core is covered and packaged with a flange of the insulating member.
- FIG. 1A It is a figure which shows the structure of the insulating member of the Example based on this invention. It is a figure which shows the order which folds the insulation member shown to FIG. 1A. It is a figure which shows the state which inserted the folded insulating member shown to FIG. 1B in the coil, and was expanded. It is a figure which shows the state which inserts the amorphous iron core which released the junction part in the insulating member in the coil shown to FIG. 1C. It is a figure which shows the state which inserted the amorphous iron core in the insulating member of the coil shown to FIG. 1D, then wrapped the open amorphous iron core, and covered and wrapped the yoke part of the iron core with the flange of the insulating member.
- FIG. 1 is a diagram showing the configuration of an insulating member of an amorphous iron core.
- 101 is a cylindrical portion of the insulating member
- 102 is a flange of the insulating member
- the insulating member is generally made of kraft paper, and the thickness is It is about 0.25 mm.
- the tubular portion 101 of the insulating member is formed into a rectangular tubular shape by bending the insulating sheet, and the flange 102 has an X-shaped notch in the central portion of the square insulating sheet so as to match the opening of the tubular portion. It is formed by pasting and bonding so that there is no gap from both ends of 101.
- an amorphous iron core is inserted into the cylindrical portion 101 of the insulating member, but the triangular piece formed by cutting the flange on the insertion side is adhered and adhered to the inside of the rectangular cylindrical portion. Further, the triangular piece of the flange on the side where the amorphous iron core comes out of the cylindrical portion 101 is adhered and adhered to the outside of the cylindrical portion 101.
- FIG. 1B shows a diagram of an insulating member that can be formed in the process of folding the insulating member 100.
- the tubular portion and the flange are folded inward at the center to form the insulating member of the central diagram. Further, it is folded at the center line and folded into a U-shape in the right figure of FIG. 1B.
- the folding of FIG. 1B will be described with reference to the flowchart of FIG.
- FIG. 2 shows a flowchart of a method for folding an insulating member, which will be described.
- a rectangular insulating sheet is bent, a crease that forms a valley in the axial direction is attached to the central portion that is the short side of the rectangle, and a margin provided on one side is pasted. Attach and bond to form a cylindrical part (S10).
- an X-shaped cut is made in the central portion of the insulating sheet serving as the flange in accordance with the rectangular opening of the cylindrical portion (S20). Then, a crease that forms a valley is formed in a line that connects the apex of the four corners of the flange and the end of the X-shaped cut (S30).
- the boundary between the cylindrical portion and the flange is folded inward from both sides and folded (S80). Then, in order to further reduce the insulating member folded in S90, the central portion is folded and overlapped with respect to the axial direction, that is, in a line-symmetrical place, so as to be substantially U-shaped (S90).
- the coil is easily inserted into the hole of the coil. Further, if the insulating member after the processing of S80 can be inserted into the hole of the coil, the folding processing of the insulating member of S80 may be completed.
- FIG. 1C shows the case of a three-phase three-legged core transformer.
- 10 is an air compressor
- 20 is an air bag inflated with air
- 30 is a tube for sending air.
- FIG. 3 (a) shows a state in which a folded insulating member is inserted into the hole of the coil to expand the tubular portion of the insulating member in advance, and the compressed airbag 20 is inserted.
- (B) has shown the state which sent air to the airbag 20 and was inflated.
- FIG. 3 (a) a folded insulating member is inserted into the coil hole, the flanges at both ends of the cylindrical part are expanded, and a space for accommodating the airbag 20 expanded and contracted is formed.
- the bag 20 is inserted into the coil hole.
- the airbag 20 is made of a material having a soft surface or an uneven surface so as not to damage the insulating member. For example, there are rubber, vinyl or cloth.
- FIG. 3B is a view showing a state where compressed air is sent from the air compressor 10 and the airbag 20 is inflated.
- the cylindrical portion of the insulating member is Pressed inside the coil.
- the airbag 20 is inflated for a predetermined time, and when the insulating member is molded in the coil hole, the airbag is deflated and deflated to withdraw the airbag.
- the cylindrical part of the insulating member can be expanded by the above method, there is also a method of expanding the nozzle part by providing air to the inside of the cylindrical part of the insulating member without using an air bag. is there.
- an amorphous iron core 203 is an iron core for a three-phase five-leg transformer having an inner iron core and an outer iron core. Is inserted into the cylindrical body of the insulating member while being lowered into the hole of the coil 202 in which is installed. And the state where the amorphous iron core 203 is inserted and incorporated in the insulating member of the coil is shown in the right figure of FIG. 1D. The process proceeds from the state of FIG. 1D to FIG. 1E, which is the next step. In FIG.
- Example 1E after the amorphous iron core 203 is inserted into the insulating member of the coil, the open joint is wrapped and the amorphous iron core is formed in a closed loop state. After that, the flange of each insulating member covers the yoke part 207 of the amorphous iron core, the flange is folded along the yoke part 207, and is wrapped without a gap as shown in FIG. 1E. As described above, in Example 1, the entire amorphous iron core can be covered and packaged with the insulating member, and scattering of amorphous fragments can be prevented.
- FIG. 4 is a view showing an assembling method of the amorphous iron core and the coil according to the second embodiment.
- the cylindrical part which comprises the insulating member, and two flanges are prepared.
- the flange has an X-shaped cut in accordance with the opening of the rectangular cylindrical part, raises a triangular piece formed by the cut, and applies an adhesive so that it can be adhered and adhered to the end face of the cylindrical part .
- the adhesive uses a heat-resistant epoxy system.
- an insulating member having a rectangular cylindrical portion is inserted into the hole of the coil, the cylindrical portion is taken out from the hole of the coil so that the flange can be easily attached, and is bonded and adhered to the outside of the cylindrical portion.
- the coil is reversed, and the triangular piece of the flange is attached and bonded to the inside of the cylindrical portion.
- the arrangement is reversed and arranged as shown in the right figure of FIG. In the configuration of the insulating member in the coil shown in the right diagram of FIG.
- the upper side of the insulating member has the flange triangular piece attached to the inside of the cylindrical portion and bonded, and the lower side is the flange triangular piece.
- the step formed by the triangular piece in the insertion direction of the iron core is thick (high). Insertion of the iron core does not become a resistance because of the level difference from the one that is thinner (lower).
- the triangular piece of the flange on the insertion side of the iron core is attached to the outside of the cylindrical portion and bonded, it does not resist the insertion of the iron core.
- the steps after FIG. 4 are the same as the steps described in FIG. 1D and FIG. 1E.
- FIG. 5A shows an insulating member formed by adhering and bonding flanges to both ends of the cylindrical portion.
- the insertion direction side of the amorphous core is formed by providing an X-shaped cut at the center of the flange.
- the triangular piece is pasted and bonded to the outside of the cylindrical part, and the exit side of the iron core is provided with an X-shaped cut at the center of the flange, and the triangular piece formed by the cut is pasted and bonded to the outside of the cylindrical part Shows the configuration. In this configuration, the amorphous iron core can be smoothly inserted into the cylindrical portion of the insulating member without resistance.
- FIG. 5B shows an insulating member formed by adhering and bonding flanges to both ends of the cylindrical portion, and the insertion direction side of the amorphous core has an X-shaped notch in the center of the flange.
- a triangular piece formed by cutting is pasted and bonded to the inside of the cylindrical part, and the outlet side of the iron core is provided with an X-shaped cutting at the center of the flange, and the triangular piece formed by the cutting is attached to the cylindrical part The structure which stuck and adhered on the outer side of is shown.
- the step formed in the triangular piece with respect to the insertion direction of the amorphous core is not a resistance to the insertion of the iron core because of the step from the thickness (high) to the thin (low). Can be smoothly inserted into the cylindrical portion of the insulating member without resistance.
- reference numeral 602 denotes a coil
- 603 denotes an amorphous iron core
Abstract
Description
(実施例1)
図1は、アモルファス鉄心の絶縁部材の構成を示す図で、図1において、101は絶縁部材の筒状部、102は絶縁部材のフランジで、絶縁部材は一般にクラフト紙が使用されおり、厚みは0.25mm程度である。絶縁部材の筒状部101は絶縁シートを折り曲げて矩形の筒状とし、フランジ102は四角の絶縁シートの中央部に、筒状部の開口に合わせてX字形状の切り込みを入れ、筒状部101の両端より隙間がないように貼り付け接着して形成する。
エアバッグ20は、絶縁部材に損傷を与えないように表面が軟らかい材質や凹凸のない材質のものを使用する。例えば、ゴム系統、ビニール製、または布製のものがある。エアバッグ20をコイルの孔内の絶縁部材の筒状部に挿入した後、エアバッグ20にチューブ30で接続されたエアコンプレッサ10より圧縮したエアを送る。図3(b)は、エアコンプレッサ10から圧縮したエアを送り、エアバッグ20を膨らました状態を示す図で、エアバッグ20をコイルの孔内で膨らますと絶縁部材の筒状部の部分は、コイルの内側に押し付けられる。そして、エアバッグ20を所定時間膨張させて、絶縁部材がコイル孔内で成形したらエアバッグのエアを抜いて、萎ませてエアバッグを引き抜く。以上の方法で絶縁部材の筒状部を拡げることができるが、この方法以外にもエアバッグを用いないでチューブにノズルを設けて絶縁部材の筒状部の内側にエアを吹き付けて拡げる方法もある。
次に、本発明の実施例2のアモルファス鉄心とコイルの組立方法について、図4を用いて説明する。図4は実施例2のアモルファス鉄心とコイルの組立方法を示す図である。図4において、絶縁部材を構成している筒状部と2枚のフランジを準備する。フランジは、矩形の筒状部の開口に合わせてX字形状の切り込みを入れ、切り込みで形成された三角形片を起こし、接着剤を塗布して筒状部の端面に貼り付け接着できるようにする。接着剤は耐熱性のあるエポキシ系を使用する。先ず、矩形の筒状部の絶縁部材をコイルの孔に挿入し、フランジが貼り付け易いように筒状部をコイルの孔より出して、筒状部の外側に貼り付け接着する。接着した後は反対側の筒状部にフランジを接着するためにコイルを逆にして、フランジの三角形片を筒状部の内側に貼り付け接着する。筒状部の両側にフランジを貼り付け接着した後、再度逆にして図4の右図のように配置する。図4の右図に示したコイル内の絶縁部材の構成において、絶縁部材の上側は、フランジの三角形片が筒状部の内側に貼り付け接着されており、下側はフランジの三角形片が筒状部の外側に貼り付け接着されており、この構成でコイルの上方より接合部を開放したアモルファス鉄心を挿入すると、鉄心の挿入方向に対して三角形片により生じた段差は、厚み(高い)のある方から薄く(低い)なる方の段差のため鉄心の挿入には抵抗にはならない。また、図示していないが、鉄心の挿入側のフランジの三角形片を筒状部の外側に貼り付け接着しても、鉄心の挿入に対して抵抗にはならない。図4以降の工程は、図1D及び図1Eで説明した工程と同じである。
次に、本発明の実施例における絶縁部材について図5(a)、(b)を用いて説明する。図5(a)は筒状部の両端にフランジを貼り付け接着して形成した絶縁部材を示し、アモルファス鉄心の挿入方向側は、フランジの中央にX字形状の切り込みを設け、切り込みで形成された三角形片を筒状部の外側に貼り付け接着し、鉄心の出口側は、フランジの中央にX字形状の切り込みを設け、切り込みで形成された三角形片を筒状部の外側に貼り付け接着した構成を示す。この構成では、アモルファス鉄心は絶縁部材の筒状部の中を抵抗なくスムーズの挿入することができる。
Claims (6)
- 接合部を有するアモルファス鉄心とコイルを組み立ててなるアモルファス鉄心変圧器であって、
矩形の筒状部とフランジを有した絶縁部材を折り畳み、
前記コイルの孔に折り畳んだ該絶縁部材を挿入し、該絶縁部材の筒状部とフランジを拡げ、
前記アモルファス鉄心の接合部を開放し、
該開放したアモルファス鉄心を前記コイル内の絶縁部材の筒状部に挿入し、
前記アモルファス鉄心の開放部をラップし、
該アモルファス鉄心のヨーク部を前記絶縁部材のフランジで覆い包装したことを特徴とするアモルファス鉄心変圧器。 - 請求項1記載のアモルファス鉄心変圧器において、
前記絶縁部材は、前記筒状部と前記フランジで構成し、
該フランジは、形成する絶縁シートの中央部で、前記筒状部の開口に対応する部分にX字形状の切り込みを設け、該切り込みによって形成された三角形片を前記筒状部の両端にそれぞれ接着して構成したことを特徴とするアモルファス鉄心変圧器。 - 請求項2記載のアモルファス鉄心変圧器において、
前記絶縁部材のフランジの三角形片を前記筒状部の両端の開口部に貼り付け接着するとき、前記アモルファス鉄心を挿入する側は、該三角形片を該筒状部の内側または外側に貼り付け接着し、前記アモルファス鉄心の出口側は該筒状部の外側に貼り付け接着することを特徴とするアモルファス鉄心変圧器。 - 請求項2記載のアモルファス鉄心変圧器において、
前記絶縁部材は、
前記矩形の筒状部の短辺側の中央部を軸方向に対して垂直方向に両側より谷になるように折り曲げ、同様に前記フランジを短辺側の中央部を谷になるように折り曲げて重ね、
さらに、両端の前記フランジを内側に折り曲げて畳み、線対称となる部分で折り畳むことを特徴とするアモルファス鉄心変圧器。 - 請求項1記載のアモルファス鉄心変圧器において、
前記矩形の筒状部と前記フランジで構成した絶縁部材を折り畳み、前記コイルの孔に該絶縁部材を挿入して該絶縁部材の筒状部を拡げるとき、エアバッグを該筒状部に挿入しエアを送り、該エアバッグを膨らませて該筒状部を成形することを特徴とするアモルファス鉄心変圧器。 - 接合部を有するアモルファス鉄心と孔を有したコイルとを組み立ててなるアモルファス鉄心変圧器であって、
矩形の筒状部とフランジより絶縁部材を構成し、
前記コイルの孔に該矩形の筒状部の絶縁部材を挿入し、
前記フランジの中央部で、該絶縁部材の筒状部の開口に対応する部分にX字形状の切り込みを設け、該切り込みで形成された三角形片を前記コイルに挿入した絶縁部材の一方の筒状部の端面の外側に接着し、別のフランジを絶縁部材の他方の筒状部の端面の内側に接着し、
前記アモルファス鉄心の接合部を開放し、該開放した部分を前記コイル内の絶縁部材の筒状部に挿入し、
前記アモルファス鉄心の開放した部分をラップし、該アモルファス鉄心のヨーク部を前記絶縁部材のフランジで覆い包装することを特徴とするアモルファス鉄心変圧器。
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CN201380039867.1A CN104508767B (zh) | 2012-07-27 | 2013-06-14 | 非晶铁芯变压器 |
KR1020147030590A KR101617751B1 (ko) | 2012-07-27 | 2013-06-14 | 아모퍼스 철심 변압기 |
EP13823318.4A EP2879138B1 (en) | 2012-07-27 | 2013-06-14 | Amorphous core transformer |
US14/417,209 US9514877B2 (en) | 2012-07-27 | 2013-06-14 | Amorphous core transformer |
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JP2015207672A (ja) * | 2014-04-21 | 2015-11-19 | 三菱電機株式会社 | アモルファス変圧器 |
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JP6429725B2 (ja) * | 2015-05-26 | 2018-11-28 | 三菱電機株式会社 | 分解輸送方式の静止誘導機器の製造方法および搬送用コイル組立体 |
CN109216013B (zh) * | 2017-06-30 | 2021-08-27 | 河南平高通用电气有限公司 | 互感器绕组绕制工装 |
CN113284720B (zh) * | 2021-04-28 | 2022-02-08 | 安登利电子(深圳)有限公司 | 一种共模变压器及其安装方法 |
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- 2013-06-14 US US14/417,209 patent/US9514877B2/en active Active
- 2013-06-14 WO PCT/JP2013/066466 patent/WO2014017212A1/ja active Application Filing
- 2013-06-14 CN CN201380039867.1A patent/CN104508767B/zh not_active Expired - Fee Related
- 2013-06-14 KR KR1020147030590A patent/KR101617751B1/ko active IP Right Grant
- 2013-06-14 EP EP13823318.4A patent/EP2879138B1/en not_active Not-in-force
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JPH05190342A (ja) | 1992-01-13 | 1993-07-30 | Daihen Corp | 巻鉄心変圧器及びその製造方法 |
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JP2015207672A (ja) * | 2014-04-21 | 2015-11-19 | 三菱電機株式会社 | アモルファス変圧器 |
Also Published As
Publication number | Publication date |
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US9514877B2 (en) | 2016-12-06 |
EP2879138A4 (en) | 2016-05-11 |
JP6045839B2 (ja) | 2016-12-14 |
US20150213949A1 (en) | 2015-07-30 |
CN104508767B (zh) | 2017-08-08 |
EP2879138A1 (en) | 2015-06-03 |
CN104508767A (zh) | 2015-04-08 |
JP2014027149A (ja) | 2014-02-06 |
EP2879138B1 (en) | 2017-10-25 |
KR101617751B1 (ko) | 2016-05-03 |
KR20150003240A (ko) | 2015-01-08 |
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