JPH09246036A - Coil of electric apparatus - Google Patents
Coil of electric apparatusInfo
- Publication number
- JPH09246036A JPH09246036A JP8056035A JP5603596A JPH09246036A JP H09246036 A JPH09246036 A JP H09246036A JP 8056035 A JP8056035 A JP 8056035A JP 5603596 A JP5603596 A JP 5603596A JP H09246036 A JPH09246036 A JP H09246036A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- tape
- insulating resin
- insulating
- electric device
- 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.)
- Pending
Links
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Insulating Of Coils (AREA)
- Insulated Conductors (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、絶縁樹脂の含浸の
後、乾燥・硬化により製造される電気機器のコイルに係
わり、特に、含浸材の密封性を向上し得る電気機器のコ
イルに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil for electric equipment manufactured by drying and curing after impregnation with an insulating resin, and more particularly to a coil for electric equipment capable of improving the sealing property of an impregnating material.
【0002】[0002]
【従来の技術】従来、電気機器のコイルには、コイル導
体を絶縁樹脂に含浸させて成るものが広く用いられてい
る。また、この種のコイルは、同一断面構造であっても
含浸させるタイミングに応じて全含浸方式あるいはコイ
ル単体含浸方式として区別されている。なお、全含浸方
式は、コイル導体の外周に絶縁テープを巻回したものを
鉄心に収納してバインドを施した後、絶縁樹脂を含浸・
硬化させる方式である。また、コイル単体含浸方式は、
コイル導体の外周に絶縁テープを巻回したものにバイン
ドを施して絶縁樹脂を含浸・硬化させた後、鉄心に収納
する方式である。2. Description of the Related Art Conventionally, coils made of an insulating resin impregnated with a coil conductor have been widely used as coils for electric equipment. Further, this type of coil is classified as a full impregnation method or a coil single impregnation method depending on the timing of impregnation even if the coil has the same sectional structure. In the full impregnation method, a coil conductor with an insulating tape wound around it is housed in an iron core, bound, and then impregnated with an insulating resin.
This is a curing method. In addition, the coil single impregnation method is
This is a method in which a coil conductor is wrapped around an insulating tape, bound, impregnated and cured with an insulating resin, and then stored in an iron core.
【0003】図6乃至図8は係る全含浸方式あるいはコ
イル単体含浸方式により形成された電気機器のコイルの
構成を模式的に示す断面図であり、図9はこのコイルに
適用されるコイル導体の構成を模式的に示す断面図であ
る。なお、コイル導体1は、図9に示すように、複数の
素線2が個別に素線絶縁材3にて絶縁された構造であっ
て、素線数あるいは素線の形状及び配列などは、同図に
示すものに限定されない。6 to 8 are cross-sectional views schematically showing the structure of a coil of an electric device formed by the full impregnation method or the single coil impregnation method, and FIG. 9 shows a coil conductor applied to this coil. It is sectional drawing which shows a structure typically. As shown in FIG. 9, the coil conductor 1 has a structure in which a plurality of strands 2 are individually insulated by a strand insulation material 3, and the number of strands or the shape and arrangement of the strands are It is not limited to that shown in the figure.
【0004】電気機器のコイルは、図6に示すように、
コイル導体1の外周に絶縁樹脂の含浸された絶縁テープ
からなる主絶縁層4が形成され、主絶縁層4の外周に部
分的にバインド5が施された構造となっている。As shown in FIG. 6, the coil of the electric equipment is
A main insulating layer 4 made of an insulating tape impregnated with an insulating resin is formed on the outer circumference of the coil conductor 1, and a bind 5 is partially provided on the outer circumference of the main insulating layer 4.
【0005】また、電気機器のコイルは、図7に示すよ
うに、前述した主絶縁層4の外周に液体を通過させない
フィルム状テープ6が巻回された構造があり、さらに
は、図8に示すようにフィルム状テープ6に代えて、前
述した主絶縁層4の外周に液体を通過させ易い繊維状テ
ープ7が巻回された構造がある。As shown in FIG. 7, a coil of an electric device has a structure in which a film-like tape 6 that does not allow liquid to pass is wound around the outer periphery of the main insulating layer 4 described above, and further, in FIG. As shown, instead of the film-shaped tape 6, there is a structure in which a fibrous tape 7 that allows liquid to easily pass through is wound around the outer periphery of the main insulating layer 4 described above.
【0006】なお、繊維状テープ7は、織布、不織布あ
るいは抄造にて形成される。このような電気機器のコイ
ルは、コイル表面に凹凸が存在するため、そのアンカー
効果により絶縁樹脂がコイルとバインド5を接着する際
に有利なものとなっている。The fibrous tape 7 is formed of woven cloth, non-woven cloth or papermaking. Since the coil of such an electric device has irregularities on the coil surface, it is advantageous when the insulating resin bonds the coil and the bind 5 due to the anchor effect.
【0007】[0007]
【発明が解決しようとする課題】しかしながら以上のよ
うな電気機器のコイルは、主絶縁層4あるいは繊維状テ
ープ7が液体を通過させ易い性質のため、乾燥時の高温
により含浸済み絶縁樹脂が粘度低下してコイル外部に流
出しがちである問題がある。However, in the coil of the electric device as described above, the main insulating layer 4 or the fibrous tape 7 is apt to allow liquid to pass therethrough, so that the impregnated insulating resin is viscous due to the high temperature during drying. There is a problem that it tends to drop and flow out of the coil.
【0008】また、コイル内の含浸済み絶縁樹脂が流出
すれば、コイル内の素線2の間や主絶縁層4の内部には
空隙が生じるため、特に電圧の高い機器の場合には部分
放電等の電気絶縁上問題となる現象が発生する。When the impregnated insulating resin in the coil flows out, voids are formed between the wires 2 in the coil and inside the main insulating layer 4, so that partial discharge occurs especially in the case of high voltage equipment. A phenomenon that causes a problem in electrical insulation occurs.
【0009】一方、図7に示す電気機器のコイルは、最
外層のフィルム状テープ6が液体を通過させない性質を
有するため、コイル内部に含浸済みの絶縁樹脂が乾燥時
の高温によって粘度低下しても、絶縁樹脂はコイル外部
に流出しにくい利点をもつ。しかしその反面、フィルム
状テープ6は材質によっては離型作用を有することがあ
り、絶縁樹脂により接着されたコイルとバインド5とが
コイル表面において剥離しがちで、十分な接着強度が得
られない場合がある。On the other hand, in the coil of the electric device shown in FIG. 7, since the film tape 6 of the outermost layer has a property of not allowing liquid to pass through, the insulating resin impregnated inside the coil has its viscosity lowered by the high temperature during drying. However, the insulating resin has the advantage that it does not easily flow out of the coil. On the other hand, however, the film tape 6 may have a releasing action depending on the material, and the coil adhered by the insulating resin and the bind 5 tend to be separated from each other on the coil surface, so that sufficient adhesive strength cannot be obtained. There is.
【0010】本発明は上記実情を考慮してなされたもの
で、乾燥時の粘度低下による絶縁樹脂の流出を阻止し、
且つバインドとコイル表面との間で十分な接着強度を有
する高性能かつ信頼性の高い電気機器のコイルを提供す
ることを目的とする。The present invention has been made in consideration of the above situation, and prevents the outflow of the insulating resin due to the decrease in viscosity during drying,
Moreover, it is an object of the present invention to provide a high-performance and highly reliable coil of an electric device having sufficient adhesive strength between the binding and the coil surface.
【0011】[0011]
【課題を解決するための手段】請求項1に対応する発明
は、コイル導体の外周に絶縁テープの巻回されてなるコ
イルが鉄心に収納されバインドが施されて絶縁樹脂が含
浸され硬化される全含浸方式の電気機器のコイルにおい
て、織布、不織布あるいは抄造にて形成され、且つ前記
絶縁樹脂の硬化を早めるための硬化促進剤の含有された
繊維状テープが前記絶縁テープの外周に巻回された電気
機器のコイルである。According to a first aspect of the present invention, a coil formed by winding an insulating tape around an outer circumference of a coil conductor is housed in an iron core, bound, bound with an insulating resin, and cured. In a coil of a fully impregnated electric device, a fibrous tape formed of woven cloth, non-woven cloth or paper and containing a hardening accelerator for accelerating hardening of the insulating resin is wound around the outer circumference of the insulating tape. It is a coil of electrical equipment that has been used.
【0012】また、請求項2に対応する発明は、コイル
導体の外周に絶縁テープの巻回されてなるコイルにバイ
ンドが施されて絶縁樹脂が含浸され硬化されて鉄心に収
納されるコイル単体含浸方式の電気機器のコイルにおい
て、織布、不織布あるいは抄造にて形成され、且つ前記
絶縁樹脂の硬化を早めるための硬化促進剤の含有された
繊維状テープが前記絶縁テープの外周に巻回された電気
機器のコイルである。Further, the invention according to claim 2 is such that a coil formed by winding an insulating tape around the outer periphery of a coil conductor is bound, impregnated with an insulating resin, hardened, and housed in an iron core. In a coil of electric equipment of the type, a fibrous tape formed of woven cloth, non-woven cloth or paper and containing a hardening accelerator for accelerating hardening of the insulating resin is wound around the outer circumference of the insulating tape. It is a coil of electrical equipment.
【0013】さらに、請求項3に対応する発明は、コイ
ル導体の外周に絶縁テープの巻回されてなるコイルが鉄
心に収納されバインドが施されて絶縁樹脂が含浸され硬
化される全含浸方式の電気機器のコイルにおいて、前記
コイルの鉄心外に出る部分の前記絶縁テープの外周に
は、織布、不織布あるいは抄造にて形成され、且つ前記
絶縁樹脂の硬化を早めるための硬化促進剤の含有された
繊維状テープが巻回され、前記コイルの鉄心内に収納さ
れる部分の前記絶縁テープの外周には、フィルム状テー
プが巻回された電気機器のコイルである。Further, the invention according to claim 3 is a full impregnation method in which a coil formed by winding an insulating tape around the outer periphery of a coil conductor is housed in an iron core, bound, bound with an insulating resin and hardened. In the coil of an electric device, the outer periphery of the insulating tape in the portion of the coil that extends outside the iron core is formed of woven cloth, non-woven cloth, or papermaking, and contains a hardening accelerator for accelerating the hardening of the insulating resin. A fibrous tape is wound, and a film tape is wound around the outer periphery of the insulating tape in the portion housed in the core of the coil to form a coil of an electric device.
【0014】また、請求項4に対応する発明は、コイル
導体の外周に絶縁テープの巻回されてなるコイルにバイ
ンドが施されて絶縁樹脂が含浸され硬化されて鉄心に収
納されるコイル単体含浸方式の電気機器のコイルにおい
て、前記コイルの鉄心外に出る部分の前記絶縁テープの
外周には、織布、不織布あるいは抄造にて形成され、且
つ前記絶縁樹脂の硬化を早めるための硬化促進剤の含有
された繊維状テープが巻回され、前記コイルの鉄心内に
収納される部分の前記絶縁テープの外周には、フィルム
状テープが巻回された電気機器のコイルである。The invention according to claim 4 is to impregnate a coil formed by winding an insulating tape around an outer periphery of a coil conductor, impregnating an insulating resin, curing the coil, and hardening the coil to store the coil in a single core. In the coil of the electric equipment of the method, the outer periphery of the insulating tape of the portion of the coil outside the iron core is formed of a woven fabric, a non-woven fabric or papermaking, and a curing accelerator for accelerating the curing of the insulating resin. The contained fibrous tape is wound, and the film-shaped tape is wound around the outer periphery of the insulating tape in the portion accommodated in the iron core of the coil to form a coil of an electric device.
【0015】さらに、請求項5に対応する発明は、コイ
ル導体の外周に絶縁テープの巻回されてなるコイルが鉄
心に収納されバインドが施されて絶縁樹脂が含浸され硬
化される全含浸方式の電気機器のコイルにおいて、前記
絶縁樹脂は自己の硬化を早めるための硬化促進剤が含有
されており、織布、不織布あるいは抄造にて形成され、
且つ前記絶縁樹脂の硬化を早めるための硬化促進剤の含
有された繊維状テープが前記コイル導体と前記絶縁テー
プとの間に巻回された電気機器のコイルである。Further, the invention according to claim 5 is a full impregnation method in which a coil formed by winding an insulating tape around an outer periphery of a coil conductor is housed in an iron core, bound, bound with an insulating resin and hardened. In a coil of an electric device, the insulating resin contains a curing accelerator for accelerating self-curing, and is formed by woven cloth, non-woven cloth or papermaking,
A coil of an electric device is formed by winding a fibrous tape containing a hardening accelerator for accelerating the hardening of the insulating resin between the coil conductor and the insulating tape.
【0016】また、請求項6に対応する発明は、コイル
導体の外周に絶縁テープの巻回されてなるコイルにバイ
ンドが施されて絶縁樹脂が含浸され硬化されて鉄心に収
納されるコイル単体含浸方式の電気機器のコイルにおい
て、前記絶縁樹脂は自己の硬化を早めるための硬化促進
剤が含有されており、織布、不織布あるいは抄造にて形
成され、且つ前記絶縁樹脂の硬化を早めるための硬化促
進剤の含有された繊維状テープが前記コイル導体と前記
絶縁テープとの間に巻回された電気機器のコイルであ
る。According to the invention of claim 6, the coil formed by winding the insulating tape around the outer periphery of the coil conductor is bound, impregnated with the insulating resin, hardened, and housed in the iron core. In a coil of electric equipment of the method, the insulating resin contains a curing accelerator for accelerating the self-curing, is formed by woven cloth, non-woven fabric or papermaking, and is a curing material for accelerating the curing of the insulating resin. A fibrous tape containing a promoter is a coil of an electric device wound between the coil conductor and the insulating tape.
【0017】さらに、請求項7に対応する発明は、請求
項5に対応する電気機器のコイルにおいて、前記繊維状
テープに代えて、フィルム状テープを用いた電気機器の
コイルである。Further, the invention according to claim 7 is the coil of an electric device according to claim 5, wherein a film tape is used instead of the fibrous tape.
【0018】また、請求項8に対応する発明は、請求項
6に対応する電気機器のコイルにおいて、前記繊維状テ
ープに代えて、フィルム状テープを用いた電気機器のコ
イルである。 (作用)従って、請求項1,2に対応する発明は以上の
ような手段を講じたことにより、繊維状テープに含有さ
れた効果促進剤に接する外周側の絶縁樹脂がコイル内部
よりも早く硬化するため、外周側の絶縁樹脂が硬化した
後、乾燥時の高温により粘度が低下したコイル内部の絶
縁樹脂の流出を阻止でき、また、バインドと接触してい
る繊維状テープの表面には凹凸が存在し、この凹凸がア
ンカー効果をもたらすため、バインドとコイル表面との
間で十分な接着強度を確保でき、もって、高性能かつ高
信頼性を実現することができる。The invention according to claim 8 is the coil of an electric device according to claim 6, wherein a film tape is used instead of the fibrous tape. (Operation) Therefore, in the inventions corresponding to claims 1 and 2, by taking the above means, the insulating resin on the outer peripheral side in contact with the effect promoting agent contained in the fibrous tape cures faster than inside the coil. Therefore, after the insulating resin on the outer peripheral side is cured, it is possible to prevent the insulating resin inside the coil whose viscosity has decreased due to the high temperature during drying from flowing out, and there is unevenness on the surface of the fibrous tape in contact with the bind. Since the unevenness exists and brings about an anchor effect, it is possible to secure a sufficient adhesive strength between the bind and the coil surface, and thus it is possible to realize high performance and high reliability.
【0019】特に、請求項1に対応する発明は、バイン
ドを施した後に絶縁樹脂を含浸させるため、絶縁樹脂の
硬化の際に、繊維状テープに含有された硬化促進剤がコ
イルとバインドの接着に作用するので、コイルとバイン
ドの接着強度を更に向上させることができる。Particularly, in the invention according to claim 1, since the insulating resin is impregnated after binding, the hardening accelerator contained in the fibrous tape bonds the coil and the binding when the insulating resin is hardened. Since it acts on, it is possible to further improve the adhesive strength between the coil and the bind.
【0020】また、請求項3,4に対応する発明は、請
求項1,2に対応する発明において、鉄心内の部分の絶
縁テープの外周には、フィルム状テープが巻回されてい
るので、請求項1,2に対応する作用と同様の作用を奏
することができる。The inventions according to claims 3 and 4 are, in the inventions according to claims 1 and 2, a film tape is wound around the outer periphery of the insulating tape in a portion within the iron core. The same action as the action corresponding to claims 1 and 2 can be achieved.
【0021】さらに、請求項5,6に対応する発明は、
繊維状テープに含有された効果促進剤に接する外周側の
絶縁樹脂がコイル導体内部よりも早く硬化するため、外
周側の絶縁樹脂が硬化した後、乾燥時の高温により粘度
が低下したコイル導体内部の絶縁樹脂の流出を阻止で
き、さらに、絶縁樹脂に予め含有された効果促進剤が絶
縁樹脂の硬化を早めるため、繊維状テープよりも外周側
の絶縁樹脂の流出も阻止でき、また、バインドと接触し
ている絶縁テープの表面には凹凸が存在し、この凹凸が
アンカー効果をもたらすため、バインドとコイル表面と
の間で十分な接着強度を確保でき、もって、高性能かつ
高信頼性を実現することができる。Further, the inventions corresponding to claims 5 and 6 are:
Since the insulating resin on the outer peripheral side in contact with the effect accelerator contained in the fibrous tape cures faster than inside the coil conductor, the inside of the coil conductor whose viscosity has decreased due to the high temperature during drying after the insulating resin on the outer peripheral side hardens The insulating resin can be prevented from flowing out, and the effect promoter contained in the insulating resin accelerates the curing of the insulating resin. Therefore, the insulating resin on the outer peripheral side of the fibrous tape can be prevented from flowing out. There is unevenness on the surface of the insulating tape that is in contact, and since this unevenness provides the anchor effect, it is possible to secure sufficient adhesive strength between the bind and the coil surface, thus realizing high performance and high reliability. can do.
【0022】特に、請求項5に対応する発明は、バイン
ドを施した後に絶縁樹脂を含浸させるため、絶縁樹脂の
硬化の際に、絶縁樹脂に含有された硬化促進剤がコイル
とバインドの接着に作用するので、コイルとバインドの
接着強度を更に向上させることができる。In particular, in the invention according to claim 5, since the insulating resin is impregnated after binding, the curing accelerator contained in the insulating resin is used for bonding the coil and the bind when the insulating resin is cured. Since it works, the adhesive strength between the coil and the bind can be further improved.
【0023】また、請求項7,8に対応する発明は、請
求項5,6に対応する発明において、繊維状テープに代
えて、フィルム状テープを用いているので、請求項5,
6に対応する作用と同様の作用を奏することができる。In the inventions corresponding to claims 7 and 8, in the inventions corresponding to claims 5 and 6, a film tape is used instead of the fibrous tape.
The same action as the action corresponding to 6 can be obtained.
【0024】[0024]
【発明の実施の形態】以下、本発明の実施形態について
図面を参照しながら説明する。 (第1の実施形態)図1は本発明の第1の実施の形態に
係る電気機器のコイルの構成を模式的に示す表面外観図
であり、図2はそのコイルの構成を模式的に示す断面図
であって、図6乃至図9と同一部分には同一符号を付し
てその詳しい説明は省略し、ここでは異なる部分につい
てのみ述べる。Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a surface external view schematically showing the structure of a coil of an electric device according to the first embodiment of the present invention, and FIG. 2 is a schematic view showing the structure of the coil. 6 is a cross-sectional view, the same parts as those in FIGS. 6 to 9 are denoted by the same reference numerals, and detailed description thereof will be omitted. Only different parts will be described here.
【0025】すなわち、本実施の形態に係るコイルは、
乾燥時の粘度低下による絶縁樹脂の流出を阻止し、且つ
バインドとコイル表面との間で十分な接着強度の実現を
図るものであり、具体的には、図1及び図2に示すよう
に、コイル導体1周囲の主絶縁層4の外周に繊維状の硬
化促進剤含有テープ10が巻回された構造となってい
る。なお、この構造は、全含浸方式あるいはコイル単体
含浸方式のいずれでも適用可能である。That is, the coil according to the present embodiment is
The purpose is to prevent the insulating resin from flowing out due to a decrease in viscosity during drying and to achieve sufficient adhesive strength between the binding and the coil surface. Specifically, as shown in FIGS. 1 and 2, It has a structure in which a fibrous hardening accelerator containing tape 10 is wound around the outer periphery of the main insulating layer 4 around the coil conductor 1. This structure can be applied to either the full impregnation method or the coil single impregnation method.
【0026】コイルは、全含浸方式の場合、コイル導体
1の外周に絶縁テープ及び硬化促進剤含有テープ10が
巻回されたものが鉄心に収納されてバインド5が施され
た後、絶縁樹脂が含浸・硬化されることにより、完成さ
れる。In the case of the full impregnation method, the coil is obtained by winding the insulating tape and the curing accelerator containing tape 10 around the outer periphery of the coil conductor 1 in an iron core and binding it to the coil 5 and then applying an insulating resin. It is completed by being impregnated and cured.
【0027】また、コイルは、コイル単体含浸方式の場
合、コイル導体1の外周に絶縁テープ及び硬化促進剤含
有テープ10が巻回されたものにバインド5が施されて
絶縁樹脂が含浸・硬化された後、鉄心に収納されて完成
される。In the case of the coil single impregnation method, the coil 5 is wound around the outer periphery of the coil conductor 1 with the insulating tape and the curing accelerator containing tape 10 and the binding 5 is applied to the coil to impregnate and cure the insulating resin. After that, it is stored in the iron core and completed.
【0028】硬化促進剤含有テープ10は、例えばイミ
ダゾールや第3アミンの如き硬化促進剤が含有され、且
つ液体を通過させ易い繊維状のものであって、織布、不
織布あるいは抄造にて形成可能であり、表面に凹凸を有
している。なお、硬化促進剤は、主絶縁層4を構成する
絶縁樹脂の硬化を促進するための触媒である。The hardening accelerator-containing tape 10 is a fibrous material which contains a hardening accelerator such as imidazole or a tertiary amine and allows liquids to easily pass therethrough, and can be formed by woven cloth, non-woven cloth or papermaking. And has unevenness on the surface. The curing accelerator is a catalyst for promoting the curing of the insulating resin forming the main insulating layer 4.
【0029】このような構造によれば、硬化促進剤含有
テープ10に含有される硬化促進剤が内周部に接する絶
縁樹脂の硬化を速めるため、コイル内部の含浸済み絶縁
樹脂が乾燥時の高温により粘度低下してコイル外に流出
するより早く、最外層で含浸済み絶縁樹脂を硬化させる
ことができる。すなわち、乾燥時の絶縁樹脂の流出を阻
止することができる。With such a structure, the curing accelerator contained in the curing accelerator-containing tape 10 accelerates the curing of the insulating resin in contact with the inner peripheral portion, so that the impregnated insulating resin inside the coil is heated to a high temperature during drying. As a result, the insulating resin impregnated in the outermost layer can be cured earlier than the viscosity is reduced and the oil flows out of the coil. That is, it is possible to prevent the insulating resin from flowing out during drying.
【0030】一方、コイルのバインド5を施す部分に
は、表面に凹凸のある硬化促進剤含有テープ10を巻回
してあるため、コイルとバインド5との間の接着強度を
十分に保持することができる。On the other hand, since the hardening accelerator containing tape 10 having irregularities on the surface is wound around the portion of the coil to which the bind 5 is applied, it is possible to sufficiently maintain the adhesive strength between the coil and the bind 5. it can.
【0031】また、全含浸方式のコイルでは、コイルと
バインド5の接触面における絶縁樹脂が、硬化促進剤含
有テープ10に含まれる硬化促進剤の作用で接着強度を
増加させることができる。In the fully impregnated coil, the insulating resin on the contact surface between the coil and the bind 5 can increase the adhesive strength by the action of the curing accelerator contained in the curing accelerator-containing tape 10.
【0032】上述したように本実施の形態によれば、コ
イル内部の含浸済み絶縁樹脂が乾燥時に粘度低下して
も、硬化促進剤含有テープ10を通過することが困難と
なるため、含浸済み絶縁樹脂のコイル外への流出を阻止
できる。したがって、主絶縁層4内や素線2間に空隙が
存在しなくなり、部分放電等の絶縁上問題となる現象を
抑えることができる。更に、コイルとバインド5の間で
十分な接着強度を保持できる。As described above, according to the present embodiment, even if the impregnated insulating resin inside the coil is reduced in viscosity during drying, it becomes difficult to pass through the curing-accelerator-containing tape 10. It is possible to prevent the resin from flowing out of the coil. Therefore, voids do not exist in the main insulating layer 4 or between the wires 2, and it is possible to suppress a phenomenon that causes an insulation problem such as partial discharge. Furthermore, sufficient adhesive strength can be maintained between the coil and the bind 5.
【0033】加えて全含浸方式のコイルの場合、コイル
とバインド5の間の接着強度を一層向上させることがで
きる。 (第2の実施形態)図3は本発明の第2の実施の形態に
係る電気機器のコイルの構成を模式的に示す断面図であ
り、図1、図2及び図7と同一部分には同一符号を付し
てその詳しい説明は省略し、ここでは異なる部分につい
てのみ述べる。In addition, in the case of the fully impregnated type coil, the adhesive strength between the coil and the bind 5 can be further improved. (Second Embodiment) FIG. 3 is a cross-sectional view schematically showing the configuration of a coil of an electric device according to a second embodiment of the present invention, in which the same parts as in FIGS. 1, 2 and 7 are shown. The same reference numerals are given and detailed description thereof is omitted, and only different portions will be described here.
【0034】すなわち、本実施の形態に係るコイルは、
第1の実施の形態の変形形態であって、具体的には図3
に示すように、鉄心外に出る部分では第1の実施の形態
と同様に主絶縁層4の外周に硬化促進剤含有テープ10
が巻回された構造であるが、鉄心に収納される部分で
は、硬化促進剤含有テープ10に代えて、コイル導体1
周囲の主絶縁層4の外周に液体を通過させにくいフィル
ム状テープ6が巻回された構造となっている。なお、前
述同様に、全含浸方式あるいはコイル単体含浸方式のい
ずれでも適用可能である。That is, the coil according to the present embodiment is
This is a modification of the first embodiment, and is specifically shown in FIG.
As shown in FIG. 5, in the portion outside the iron core, the hardening accelerator containing tape 10 is provided on the outer periphery of the main insulating layer 4 as in the first embodiment.
However, the coil conductor 1 is replaced with the hardening accelerator containing tape 10 in the portion housed in the iron core.
It has a structure in which a film-shaped tape 6 that does not allow liquid to easily pass is wound around the outer periphery of the main insulating layer 4. Note that, as described above, either the full impregnation method or the coil single impregnation method can be applied.
【0035】コイルは、全含浸方式の場合、コイル導体
1の外周に絶縁テープが巻回され、さらに、鉄心外に出
る部分には硬化促進剤含有テープ10が巻回され、鉄心
に収納される直線部分にはフィルム状テープ6が巻回さ
れたものが鉄心に収納されてバインド5が施された後、
絶縁樹脂が含浸・硬化されることにより、完成される。In the case of the coil, in the case of the full impregnation method, an insulating tape is wound around the outer periphery of the coil conductor 1, and a hardening accelerator containing tape 10 is wound around the portion outside the iron core and is housed in the iron core. After the film-shaped tape 6 is wound on the straight part, it is housed in the iron core and the bind 5 is applied.
It is completed by impregnating and curing the insulating resin.
【0036】また、コイルは、コイル単体含浸方式の場
合、コイル導体1の外周に絶縁テープが巻回され、さら
に、鉄心外に出る部分には硬化促進剤含有テープ10が
巻回され、鉄心に収納される直線部分にはフィルム状テ
ープ6が巻回されたものにバインド5が施されて絶縁樹
脂が含浸・硬化された後、鉄心に収納されて完成され
る。In the case of the coil alone impregnation method, an insulating tape is wound around the outer periphery of the coil conductor 1, and a hardening accelerator containing tape 10 is wound around the portion outside the iron core, so that the iron core is wound on the iron core. The linear portion to be accommodated is bound with a film tape 6 wound around, bound 5 to impregnate and cure with an insulating resin, and then accommodated in an iron core for completion.
【0037】このような構造によれば、鉄心外に出る部
分では、前述同様に、硬化促進剤含有テープ10の硬化
促進剤により、コイル内部の含浸済み絶縁樹脂が乾燥時
の高温により粘度低下してコイル外に流出するより早
く、最外層で含浸済み絶縁樹脂を硬化させることができ
る。According to this structure, in the portion outside the iron core, the viscosity of the impregnated insulating resin inside the coil is lowered by the high temperature during drying due to the hardening accelerator of the hardening accelerator-containing tape 10 as described above. The insulating resin impregnated in the outermost layer can be cured faster than it flows out of the coil.
【0038】また、鉄心に収納される直線部分では、フ
ィルム状テープ6が含浸済み絶縁樹脂の通過を困難にす
る。一方、コイルのバインド5を施す部分には表面に凹
凸のある硬化促進剤含有テープ10を巻回してあるた
め、コイルとバインド5との間の接着強度を十分に保持
することができる。Further, in the straight portion accommodated in the iron core, the film-shaped tape 6 makes it difficult for the impregnated insulating resin to pass through. On the other hand, since the hardening accelerator containing tape 10 having irregularities on the surface is wound around the portion of the coil where the bind 5 is applied, the adhesive strength between the coil and the bind 5 can be sufficiently maintained.
【0039】また、全含浸方式のコイルでは、コイルと
バインド5の接触面における絶縁樹脂が、硬化促進剤含
有テープ10に含まれる硬化促進剤の作用で接着強度を
増加させることができる。In the fully impregnated coil, the insulating resin on the contact surface between the coil and the bind 5 can increase the adhesive strength by the action of the curing accelerator contained in the curing accelerator-containing tape 10.
【0040】上述したように本実施の形態によれば、コ
イル内部の含浸済み絶縁樹脂が乾燥時に粘度低下して
も、硬化促進剤含有テープ10及びフィルム状テープ6
の層を通過することが困難となるため、含浸済み絶縁樹
脂のコイル外への流出を防止できる。したがって、主絶
縁層4内や素線2間に空隙が存在しなくなり、部分放電
等の絶縁上問題となる現象を抑えることができる。更
に、コイルとバインド5の間で十分な接着強度を保持で
きる。As described above, according to this embodiment, even when the viscosity of the impregnated insulating resin inside the coil decreases during drying, the curing accelerator-containing tape 10 and the film tape 6 are included.
Since it becomes difficult to pass through the layer of, the impregnated insulating resin can be prevented from flowing out of the coil. Therefore, voids do not exist in the main insulating layer 4 or between the wires 2, and it is possible to suppress a phenomenon that causes an insulation problem such as partial discharge. Furthermore, sufficient adhesive strength can be maintained between the coil and the bind 5.
【0041】加えて全含浸方式のコイルの場合、コイル
とバインド5の間の接着強度を一層向上させることがで
きる。 (第3の実施形態)図4は本発明の第3の実施の形態に
係る電気機器のコイルの構成を模式的に示す断面図であ
り、図1乃び図2と同一部分には同一符号を付してその
詳しい説明は省略し、ここでは異なる部分についてのみ
述べる。In addition, in the case of the full impregnation type coil, the adhesive strength between the coil and the bind 5 can be further improved. (Third Embodiment) FIG. 4 is a sectional view schematically showing the structure of a coil of an electric device according to a third embodiment of the present invention. The same parts as those in FIGS. The detailed description thereof will be omitted and only different parts will be described here.
【0042】すなわち、本実施の形態に係るコイルは、
第1の実施の形態の変形形態であって、具体的には図4
に示すように、主絶縁層4に代えて、予め硬化促進剤が
含有された主絶縁層11を設け、且つコイル導体1と主
絶縁層11との間に硬化促進剤含有テープ10を介在さ
せた構造となっている。That is, the coil according to the present embodiment is
This is a modification of the first embodiment and is specifically shown in FIG.
As shown in FIG. 4, a main insulating layer 11 containing a hardening accelerator is provided in place of the main insulating layer 4, and the hardening accelerator containing tape 10 is interposed between the coil conductor 1 and the main insulating layer 11. It has a different structure.
【0043】コイルは、全含浸方式の場合、コイル導体
1の外周に硬化促進剤含有テープ10及び絶縁テープが
順次巻回されたものが鉄心に収納されてバインド5が施
された後、硬化促進剤含有済みの絶縁樹脂が含浸・硬化
されることにより、完成される。In the case of the full impregnation method, the coil is formed by winding a hardening accelerator containing tape 10 and an insulating tape around the outer circumference of the coil conductor 1 in that order and storing them in an iron core to which a binding 5 is applied. It is completed by impregnating and curing the insulating resin containing the agent.
【0044】また、コイルは、コイル単体含浸方式の場
合、コイル導体1の外周に硬化促進剤含有テープ10及
び絶縁テープが順次巻回されたものにバインド5が施さ
れて硬化促進剤含有済みの絶縁樹脂が含浸・硬化された
後、鉄心に収納されて完成される。In the case of the coil alone impregnation method, the coil 5 is provided with the hardening accelerator-containing tape 10 and the insulating tape wound around the outer periphery of the coil conductor 1 in that order, and the binding 5 is applied to the coil. After the insulating resin is impregnated and cured, it is housed in an iron core and completed.
【0045】このような構造によれば、硬化促進剤含有
テープ10に含有される硬化促進剤が接する絶縁樹脂の
硬化を速めるため、コイル導体1内の含浸済み絶縁樹脂
が乾燥時の高温により粘度低下してコイル外に流出する
より早く、最外層で含浸済み絶縁樹脂を硬化させること
ができる。With such a structure, the curing resin contained in the curing-accelerator-containing tape 10 accelerates the curing of the insulating resin, so that the impregnated insulating resin in the coil conductor 1 is viscous due to the high temperature during drying. The insulating resin that has been impregnated in the outermost layer can be cured sooner than it is lowered and flows out of the coil.
【0046】また、主絶縁層11内の含浸済み絶縁樹脂
は、予め含有された硬化促進剤の作用で硬化が速められ
るため、外部に流出しない。一方、凹凸のある主絶縁層
11がコイルの表面となるため、コイルとバインド5の
接着に有利である。Further, the impregnated insulating resin in the main insulating layer 11 does not flow out to the outside because the hardening is accelerated by the action of the hardening accelerator contained in advance. On the other hand, since the uneven main insulating layer 11 becomes the surface of the coil, it is advantageous for bonding the coil and the bind 5.
【0047】また、全含浸方式のコイルでは、コイルと
バインド5の接触面における絶縁樹脂が、主絶縁層11
に含まれる硬化促進剤の作用で硬化後の接着強度を増加
させることができる。In the fully impregnated coil, the insulating resin on the contact surface between the coil and the bind 5 is the main insulating layer 11.
The adhesive strength after curing can be increased by the action of the curing accelerator contained in.
【0048】上述したように本実施の形態によれば、コ
イル内部の含浸済み絶縁樹脂が乾燥時に粘度低下して
も、硬化促進剤含有テープ10を通過できなくなり、主
絶縁層11の含浸済み絶縁樹脂も硬化促進剤の作用で硬
化が速められるため、含有済み絶縁樹脂のコイル外への
流出を防止できる。したがって、主絶縁層11内や素線
2間に空隙が存在しなくなり、部分放電等の絶縁上問題
となる現象を抑えることができる。更に、コイルとバイ
ンド5の間で十分な接着強度を保持できる。As described above, according to the present embodiment, even if the impregnated insulating resin inside the coil is reduced in viscosity during drying, it cannot pass through the curing accelerator containing tape 10 and the impregnated insulating resin of the main insulating layer 11 is prevented. Since the curing of the resin is accelerated by the action of the curing accelerator, the contained insulating resin can be prevented from flowing out of the coil. Therefore, voids do not exist in the main insulating layer 11 or between the wires 2, and it is possible to suppress a phenomenon that causes an insulation problem such as partial discharge. Furthermore, sufficient adhesive strength can be maintained between the coil and the bind 5.
【0049】加えて全含浸方式のコイルの場合、コイル
とバインド5の間の接着強度を一層向上させることがで
きる。 (第4の実施形態)図5は本発明の第4の実施の形態に
係る電気機器のコイルの構成を模式的に示す断面図であ
り、図1、図2及び図7と同一部分には同一符号を付し
てその詳しい説明は省略し、ここでは異なる部分につい
てのみ述べる。In addition, in the case of the full impregnation type coil, the adhesive strength between the coil and the bind 5 can be further improved. (Fourth Embodiment) FIG. 5 is a cross-sectional view schematically showing the configuration of a coil of an electric device according to a fourth embodiment of the present invention, in which the same parts as those of FIGS. 1, 2 and 7 are shown. The same reference numerals are given and detailed description thereof is omitted, and only different portions will be described here.
【0050】すなわち、本実施の形態に係るコイルは、
第1の実施の形態の変形形態であって、具体的には図5
に示すように、主絶縁層4に代えて、予め硬化促進剤が
含有された主絶縁層11を設け、且つコイル導体1と主
絶縁層11との間にフィルム状テープ6を介在させた構
造となっている。That is, the coil according to the present embodiment is
This is a modification of the first embodiment and is specifically shown in FIG.
As shown in FIG. 6, a structure in which a main insulating layer 11 containing a curing accelerator is provided in place of the main insulating layer 4 and a film tape 6 is interposed between the coil conductor 1 and the main insulating layer 11. Has become.
【0051】コイルは、全含浸方式の場合、コイル導体
1の外周に硬化促進剤含有テープ10及び絶縁テープが
順次巻回されたものが鉄心に収納されてバインド5が施
された後、硬化促進剤含有済みの絶縁樹脂が含浸・硬化
されることにより、完成される。In the case of the full impregnation method, the coil is a coil conductor 1 on which the hardening accelerator containing tape 10 and an insulating tape are successively wound, which is housed in an iron core and is subjected to binding 5 and then hardening is accelerated. It is completed by impregnating and curing the insulating resin containing the agent.
【0052】また、コイルは、コイル単体含浸方式の場
合、コイル導体1の外周に硬化促進剤含有テープ10及
び絶縁テープが順次巻回されたものにバインド5が施さ
れて硬化促進剤含有済みの絶縁樹脂が含浸・硬化された
後、鉄心に収納されて完成される。In the case of the coil alone impregnation method, the coil 5 is provided with the hardening accelerator-containing tape 10 and the insulating tape wound around the outer periphery of the coil conductor 1 in that order, and the binding 5 is applied to the coil. After the insulating resin is impregnated and cured, it is housed in an iron core and completed.
【0053】このような構造によれば、フィルム状テー
プ6が、これより内周部の絶縁樹脂の通過を困難にする
ため、コイル導体1内の含浸済み絶縁樹脂が乾燥時の高
温により粘度低下してもコイル外への流出を阻止するこ
とができる。With such a structure, the film tape 6 makes it difficult for the insulating resin in the inner peripheral portion to pass therethrough, so that the viscosity of the impregnated insulating resin in the coil conductor 1 decreases due to the high temperature during drying. Even then, the outflow to the outside of the coil can be prevented.
【0054】また、主絶縁層11内の含浸済み絶縁樹脂
は、予め含有された硬化促進剤の作用で硬化が速められ
るため、外部に流出しない。一方、凹凸のある主絶縁層
11がコイルの表面となるため、コイルとバインド5の
接着に有利である。Further, the impregnated insulating resin in the main insulating layer 11 does not flow out because the hardening is accelerated by the action of the hardening accelerator contained in advance. On the other hand, since the uneven main insulating layer 11 becomes the surface of the coil, it is advantageous for bonding the coil and the bind 5.
【0055】また、全含浸方式のコイルでは、コイルと
バインド6の接触面における絶縁樹脂が、主絶縁層2に
含まれる硬化促進剤の作用で硬化後の接着強度を増加さ
せることができる。In the fully impregnated coil, the insulating resin on the contact surface between the coil and the bind 6 can increase the adhesive strength after curing due to the action of the curing accelerator contained in the main insulating layer 2.
【0056】上述したように本実施の形態によれば、コ
イル内部の含浸済み絶縁樹脂が乾燥時に粘度低下して
も、フィルム状テープ6の層を通過できなくなるため、
含有済み絶縁樹脂のコイル外への流出を防止できる。し
たがって、主絶縁層11内や素線2間に空隙が存在しな
くなり、部分放電等の絶縁上問題となる現象を抑えるこ
とができる。更に、コイルとバインド5の間で十分な接
着強度を保持できる。加えて全含浸方式のコイルの場
合、コイルとバインド5の間の接着強度を一層向上させ
ることができる。As described above, according to this embodiment, the impregnated insulating resin inside the coil cannot pass through the layer of the film tape 6 even if the viscosity of the insulating resin decreases during drying.
It is possible to prevent the contained insulating resin from flowing out of the coil. Therefore, voids do not exist in the main insulating layer 11 or between the wires 2, and it is possible to suppress a phenomenon that causes an insulation problem such as partial discharge. Furthermore, sufficient adhesive strength can be maintained between the coil and the bind 5. In addition, in the case of the fully impregnated type coil, the adhesive strength between the coil and the bind 5 can be further improved.
【0057】[0057]
【発明の効果】以上説明したように請求項1,2の発明
によれば、繊維状テープに含有された効果促進剤に接す
る外周側の絶縁樹脂がコイル内部よりも早く硬化するた
め、外周側の絶縁樹脂が硬化した後、乾燥時の高温によ
り粘度が低下したコイル内部の絶縁樹脂の流出を阻止で
き、また、バインドと接触している繊維状テープの表面
には凹凸が存在し、この凹凸がアンカー効果をもたらす
ため、バインドとコイル表面との間で十分な接着強度を
確保でき、もって、高性能かつ高信頼性をもつ電気機器
のコイルを提供できる。As described above, according to the first and second aspects of the present invention, the insulating resin on the outer peripheral side in contact with the effect accelerator contained in the fibrous tape cures faster than the inside of the coil. After curing the insulating resin of, the viscosity of the insulating resin inside the coil decreased due to the high temperature during drying, and it is possible to prevent the insulating resin from flowing out, and there is unevenness on the surface of the fibrous tape that is in contact with the binding. Since an anchor effect is provided, a sufficient adhesive strength can be secured between the bind and the coil surface, and thus a coil for electric equipment having high performance and high reliability can be provided.
【0058】また、請求項3,4の発明によれば、請求
項1,2の発明において、鉄心内の部分の絶縁テープの
外周には、フィルム状テープが巻回されているので、請
求項1,2と同様の効果を奏する電気機器のコイルを提
供できる。Further, according to the inventions of claims 3 and 4, in the inventions of claims 1 and 2, since the film tape is wound around the outer periphery of the insulating tape in the portion inside the iron core, It is possible to provide a coil of an electric device having the same effects as those of the first and second embodiments.
【0059】さらに、請求項5,6に対応する発明は、
繊維状テープに含有された効果促進剤に接する外周側の
絶縁樹脂がコイル導体内部よりも早く硬化するため、外
周側の絶縁樹脂が硬化した後、乾燥時の高温により粘度
が低下したコイル導体内部の絶縁樹脂の流出を阻止で
き、さらに、絶縁樹脂に予め含有された効果促進剤が絶
縁樹脂の硬化を早めるため、繊維状テープよりも外周側
の絶縁樹脂の流出も阻止でき、また、バインドと接触し
ている絶縁テープの表面には凹凸が存在し、この凹凸が
アンカー効果をもたらすため、バインドとコイル表面と
の間で十分な接着強度を確保でき、もって、高性能かつ
高信頼性をもつ電気機器のコイルを提供できる。Further, the inventions corresponding to claims 5 and 6 are:
Since the insulating resin on the outer peripheral side in contact with the effect accelerator contained in the fibrous tape cures faster than inside the coil conductor, the inside of the coil conductor whose viscosity has decreased due to the high temperature during drying after the insulating resin on the outer peripheral side hardens The insulating resin can be prevented from flowing out, and the effect promoter contained in the insulating resin accelerates the curing of the insulating resin. Therefore, the insulating resin on the outer peripheral side of the fibrous tape can be prevented from flowing out. There is unevenness on the surface of the insulating tape that is in contact, and since this unevenness provides the anchor effect, it is possible to secure sufficient adhesive strength between the bind and the coil surface, and thus have high performance and high reliability. A coil of electric equipment can be provided.
【0060】また、請求項7,8に対応する発明は、請
求項5,6の発明において、繊維状テープに代えて、フ
ィルム状テープを用いているので、請求項5,6と同様
の効果を奏する電気機器のコイルを提供できる。Further, the inventions corresponding to claims 7 and 8 are the same as those of claims 5 and 6, since the film tape is used instead of the fibrous tape in the inventions of claims 5 and 6. It is possible to provide a coil of an electric device that produces
【図1】本発明の第1の実施の形態に係る電気機器のコ
イルの構成を模式的に示す表面外観図。FIG. 1 is a surface appearance diagram schematically showing a configuration of a coil of an electric device according to a first embodiment of the present invention.
【図2】同実施の形態におけるコイルの構成を模式的に
示す断面図。FIG. 2 is a cross-sectional view schematically showing the configuration of a coil according to the same embodiment.
【図3】本発明の第2の実施の形態に係る電気機器のコ
イルの構成を模式的に示す断面図。FIG. 3 is a sectional view schematically showing the configuration of a coil of an electric device according to a second embodiment of the present invention.
【図4】本発明の第3の実施の形態に係る電気機器のコ
イルの構成を模式的に示す断面図。FIG. 4 is a sectional view schematically showing the configuration of a coil of an electric device according to a third embodiment of the invention.
【図5】本発明の第4の実施の形態に係る電気機器のコ
イルの構成を模式的に示す断面図。FIG. 5 is a sectional view schematically showing the configuration of a coil of an electric device according to a fourth embodiment of the present invention.
【図6】全含浸方式あるいはコイル単体含浸方式により
形成された従来の電気機器のコイルの構成を模式的に示
す断面図。FIG. 6 is a cross-sectional view schematically showing a configuration of a coil of a conventional electric device formed by a full impregnation method or a coil single impregnation method.
【図7】全含浸方式あるいはコイル単体含浸方式により
形成された従来の電気機器のコイルの構成を模式的に示
す断面図。FIG. 7 is a cross-sectional view schematically showing a configuration of a coil of a conventional electric device formed by a full impregnation method or a coil single impregnation method.
【図8】全含浸方式あるいはコイル単体含浸方式により
形成された従来の電気機器のコイルの構成を模式的に示
す断面図。FIG. 8 is a cross-sectional view schematically showing a configuration of a coil of a conventional electric device formed by a full impregnation method or a coil single impregnation method.
【図9】従来の電気機器のコイルに適用されるコイル導
体の構成を模式的に示す断面図。FIG. 9 is a cross-sectional view schematically showing a configuration of a coil conductor applied to a coil of a conventional electric device.
【符号の説明】 1…コイル導体。 2…素線。 3…素線絶縁材。 4,11…主絶縁層。 5…バインド。 6…フィルム状テープ。 10…硬化促進剤含有テープ。[Explanation of Codes] 1 ... Coil conductor. 2 ... strands. 3 ... Strand insulation. 4, 11 ... Main insulating layer. 5 ... Bind. 6 ... Film tape. 10 ... A tape containing a curing accelerator.
Claims (8)
れてなるコイルが鉄心に収納されバインドが施されて絶
縁樹脂が含浸され硬化される全含浸方式の電気機器のコ
イルにおいて、 織布、不織布あるいは抄造にて形成され、且つ前記絶縁
樹脂の硬化を早めるための硬化促進剤の含有された繊維
状テープが前記絶縁テープの外周に巻回されたことを特
徴とする電気機器のコイル。1. A coil of a total impregnation type electric device in which a coil formed by winding an insulating tape around an outer circumference of a coil conductor is housed in an iron core, bound, impregnated with an insulating resin and cured, and a woven cloth, A coil of an electric device, comprising a fibrous tape formed of a non-woven fabric or a paper-making machine, and a fibrous tape containing a hardening accelerator for accelerating hardening of the insulating resin, wound around the outer circumference of the insulating tape.
れてなるコイルにバインドが施されて絶縁樹脂が含浸さ
れ硬化されて鉄心に収納されるコイル単体含浸方式の電
気機器のコイルにおいて、 織布、不織布あるいは抄造にて形成され、且つ前記絶縁
樹脂の硬化を早めるための硬化促進剤の含有された繊維
状テープが前記絶縁テープの外周に巻回されたことを特
徴とする電気機器のコイル。2. A coil of a single coil impregnation type electric device, wherein a coil formed by winding an insulating tape around an outer periphery of a coil conductor is bound, impregnated with an insulating resin, hardened and housed in an iron core. A coil of an electric device, characterized in that a fibrous tape formed of cloth, non-woven fabric or papermaking and containing a curing accelerator for accelerating the curing of the insulating resin is wound around the outer periphery of the insulating tape. .
れてなるコイルが鉄心に収納されバインドが施されて絶
縁樹脂が含浸され硬化される全含浸方式の電気機器のコ
イルにおいて、 前記コイルの鉄心外に出る部分の前記絶縁テープの外周
には、織布、不織布あるいは抄造にて形成され、且つ前
記絶縁樹脂の硬化を早めるための硬化促進剤の含有され
た繊維状テープが巻回され、 前記コイルの鉄心内に収納される部分の前記絶縁テープ
の外周には、フィルム状テープが巻回されたことを特徴
とする電気機器のコイル。3. A coil of a total impregnation type electric device in which a coil formed by winding an insulating tape around an outer periphery of a coil conductor is housed in an iron core, bound, impregnated with an insulating resin, and cured, Around the outer periphery of the insulating tape of the portion that goes out of the iron core, a fibrous tape formed by woven cloth, non-woven cloth or papermaking, and containing a hardening accelerator for accelerating the hardening of the insulating resin is wound, A coil of an electric device, wherein a film tape is wound around an outer periphery of the insulating tape in a portion of the coil that is housed in an iron core.
れてなるコイルにバインドが施されて絶縁樹脂が含浸さ
れ硬化されて鉄心に収納されるコイル単体含浸方式の電
気機器のコイルにおいて、 前記コイルの鉄心外に出る部分の前記絶縁テープの外周
には、織布、不織布あるいは抄造にて形成され、且つ前
記絶縁樹脂の硬化を早めるための硬化促進剤の含有され
た繊維状テープが巻回され、 前記コイルの鉄心内に収納される部分の前記絶縁テープ
の外周には、フィルム状テープが巻回されたことを特徴
とする電気機器のコイル。4. A coil of a coil-impregnated electric device, wherein a coil formed by winding an insulating tape around an outer periphery of a coil conductor is bound, impregnated with an insulating resin, hardened, and housed in an iron core. Around the outer periphery of the insulating tape at the portion outside the iron core of the coil, a fibrous tape formed of woven cloth, non-woven cloth or paper and containing a hardening accelerator for accelerating hardening of the insulating resin is wound. A coil of an electric device, wherein a film-shaped tape is wound around an outer periphery of the insulating tape in a portion housed in the iron core of the coil.
れてなるコイルが鉄心に収納されバインドが施されて絶
縁樹脂が含浸され硬化される全含浸方式の電気機器のコ
イルにおいて、 前記絶縁樹脂は自己の硬化を早めるための硬化促進剤が
含有されており、 織布、不織布あるいは抄造にて形成され、且つ前記絶縁
樹脂の硬化を早めるための硬化促進剤の含有された繊維
状テープが前記コイル導体と前記絶縁テープとの間に巻
回されたことを特徴とする電気機器のコイル。5. A coil of a total impregnation type electric device in which a coil formed by winding an insulating tape around an outer circumference of a coil conductor is housed in an iron core, bound, impregnated with an insulating resin and cured, and the insulating resin is used. Contains a curing accelerator for accelerating the self-curing, and the fibrous tape containing the curing accelerator for accelerating the curing of the insulating resin is formed by woven cloth, non-woven cloth or papermaking. A coil of an electric device, which is wound between a coil conductor and the insulating tape.
れてなるコイルにバインドが施されて絶縁樹脂が含浸さ
れ硬化されて鉄心に収納されるコイル単体含浸方式の電
気機器のコイルにおいて、 前記絶縁樹脂は自己の硬化を早めるための硬化促進剤が
含有されており、 織布、不織布あるいは抄造にて形成され、且つ前記絶縁
樹脂の硬化を早めるための硬化促進剤の含有された繊維
状テープが前記コイル導体と前記絶縁テープとの間に巻
回されたことを特徴とする電気機器のコイル。6. A coil of a coil-impregnated electric device in which a coil formed by winding an insulating tape around an outer periphery of a coil conductor is bound, impregnated with an insulating resin, hardened, and housed in an iron core. The insulating resin contains a curing accelerator for accelerating self-curing, is formed by woven cloth, non-woven fabric, or papermaking, and contains a curing accelerator for accelerating the curing of the insulating resin. Is wound between the coil conductor and the insulating tape.
いて、 前記繊維状テープに代えて、フィルム状テープを用いた
ことを特徴とする電気機器のコイル。7. The coil of an electric device according to claim 5, wherein a film tape is used instead of the fibrous tape.
いて、 前記繊維状テープに代えて、フィルム状テープを用いた
ことを特徴とする電気機器のコイル。8. The coil of an electric device according to claim 6, wherein a film tape is used instead of the fibrous tape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8056035A JPH09246036A (en) | 1996-03-13 | 1996-03-13 | Coil of electric apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8056035A JPH09246036A (en) | 1996-03-13 | 1996-03-13 | Coil of electric apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09246036A true JPH09246036A (en) | 1997-09-19 |
Family
ID=13015833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8056035A Pending JPH09246036A (en) | 1996-03-13 | 1996-03-13 | Coil of electric apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH09246036A (en) |
-
1996
- 1996-03-13 JP JP8056035A patent/JPH09246036A/en active Pending
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