JPH0735374Y2 - Oil-filled electrical equipment - Google Patents
Oil-filled electrical equipmentInfo
- Publication number
- JPH0735374Y2 JPH0735374Y2 JP13845289U JP13845289U JPH0735374Y2 JP H0735374 Y2 JPH0735374 Y2 JP H0735374Y2 JP 13845289 U JP13845289 U JP 13845289U JP 13845289 U JP13845289 U JP 13845289U JP H0735374 Y2 JPH0735374 Y2 JP H0735374Y2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- oil
- main body
- magnetic shield
- lead wire
- 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.)
- Expired - Lifetime
Links
Landscapes
- Regulation Of General Use Transformers (AREA)
- Housings And Mounting Of Transformers (AREA)
- Insulating Of Coils (AREA)
Description
【考案の詳細な説明】 A.産業上の利用分野 本考案は、変圧器、リアクトルなど、その本体部をタン
ク内に収納して絶縁油で絶縁する油入電気機器、時にそ
の引き出し線部分の磁気シールドに関するものである。[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to an oil-filled electrical device such as a transformer or a reactor in which the main body is housed in a tank and insulated with insulating oil. It concerns magnetic shields.
B.考案の概要 本考案は、変圧器、リアクトル等の油入電気機器におい
て、 タンクの側面に補強を兼ねて縦方向の突条を一体に形成
する一方、本体部から引き出されたリード線を一部にギ
ャップを有する形で囲み、かつ前記突条の内側の溝部に
一部が収容されるように磁気シールドを配設することに
より、 高いシールド効果を有しながら本体とタンクの間の寸法
を短縮し、機器の小形化を図るようにしたものである。B. Outline of the Invention In the present invention, in an oil-filled electrical device such as a transformer or a reactor, a vertical ridge is integrally formed on the side surface of the tank for reinforcement, while the lead wire pulled out from the main body is attached. By enclosing it with a gap in part and arranging the magnetic shield so that part is housed in the groove inside the ridge, the size between the main body and the tank has a high shielding effect. It is intended to reduce the size of the equipment by shortening the.
C.従来の技術 例えば変圧器は、一般に鉄心にコイルを巻装した本体部
をタンク内に収納し、絶縁油を用いて絶縁及び冷却を行
うように構成しており、外部回路と接続するためにタン
クにブッシングを設け、これに本体部から引き出したリ
ード線を接続している。C. Conventional technology For example, a transformer is generally configured to house a main body in which a coil is wound around an iron core in a tank, and to perform insulation and cooling using insulating oil in order to connect to an external circuit. The tank is equipped with a bushing, to which the lead wire drawn from the main body is connected.
この場合、リード線に大電流が流れると、漏れ磁束によ
りタンクに過電流が生じ損失が発生するため、磁気シー
ルドを施して損失の軽減を図っている。その一例を第３
図に示す。図中、31はコイル、32はタンク、33は絶縁
油、34は前記コイル31から引き出されたリード線、35は
このリード線34の近傍のタンク内面に磁気シールドとし
て取り付けた硅素鋼板、36は前記タンク32の外面に設け
た補強材（溝形鋼）である。In this case, when a large current flows through the lead wire, an overcurrent is generated in the tank due to the leakage magnetic flux, which causes a loss. Therefore, a magnetic shield is provided to reduce the loss. Third example
Shown in the figure. In the figure, 31 is a coil, 32 is a tank, 33 is insulating oil, 34 is a lead wire pulled out from the coil 31, 35 is a silicon steel plate attached as a magnetic shield to the inner surface of the tank near the lead wire 34, and 36 is A reinforcing material (channel steel) provided on the outer surface of the tank 32.
C.考案が解決しようとする課題 しかし、このような磁気シールド構造では、硅素鋼板35
をタンク32の内面に取り付けているため、シールド効果
を上げるには本体部（コイル31）とタンク32の間隔距離
を大きくして磁気抵抗を大きくする必要があり、機器が
大形になる。C. Problems to be Solved by the Invention However, in such a magnetic shield structure, the silicon steel plate 35
Since it is attached to the inner surface of the tank 32, it is necessary to increase the distance between the main body (coil 31) and the tank 32 to increase the magnetic resistance in order to improve the shield effect, and the device becomes large.
本考案の目的は、小形化に寄与できる磁気シールド構造
の油入電気機器を提供することにある。An object of the present invention is to provide an oil-filled electric device having a magnetic shield structure that can contribute to miniaturization.
E.課題を解決するための手段 本考案は、コイル等からなる本体部をタンク内に収納
し、絶縁油を用いて絶縁と冷却を行う油入電気機器にお
いて、前記タンクの側面に補強を兼ねて縦方向の突条を
一体に形成する一方、前記本体部から引き出されたリー
ド線を一部にギャップを有する形で囲み、かつ前記突条
の内側の溝部に一部が収容されるように磁気シールドを
配設したことを特徴とするものである。E. Means for Solving the Problems The present invention is an oil-filled electric device in which a main body including a coil and the like is housed in a tank, and insulating and cooling are performed by using insulating oil. And a longitudinal protrusion is integrally formed, the lead wire pulled out from the main body is surrounded by a gap, and a part of the lead is accommodated in a groove inside the protrusion. It is characterized in that a magnetic shield is provided.
F.作用 リード線は一部にギャップを有する磁気シールドで囲ま
れており、大電流が流れてもその漏れ磁束は効果的にシ
ールドされる。このため、漂遊負荷損が軽減される。F. Action The lead wire is surrounded by a magnetic shield that has a gap in part, and the leakage flux is effectively shielded even when a large current flows. Therefore, stray load loss is reduced.
また、タンク側面に外向きの縦方向の突条が一体に形成
され、その内側の溝部にリード線と磁気シールドの一部
が収容されており、本体部とタンクとの間の寸法が短縮
される。即ち、機器の小形化が図れる。In addition, an outward vertical ridge is integrally formed on the side surface of the tank, and the lead wire and a part of the magnetic shield are housed in the groove inside the tank, and the dimension between the main body and the tank is shortened. It That is, the size of the device can be reduced.
G.実施例 以下、本考案を図面に示す実施例に基づいて詳細に説明
する。G. Embodiment Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings.
第１図は本考案の一実施例を示すもので、１はコイル
（本体部）、２はタンク、３は絶縁油、４は前記コイル
１から引き出されたリード線、５はこのリード線４を囲
むように配設した磁気シールドである。FIG. 1 shows an embodiment of the present invention, in which 1 is a coil (main body), 2 is a tank, 3 is insulating oil, 4 is a lead wire drawn from the coil 1, and 5 is this lead wire 4. Is a magnetic shield arranged so as to surround the.
前記タンク２の側面には、補強を兼ねて縦方向の突条2A
を所要数一体に形成している。また、前記磁気シールド
５は硅素鋼板製の一対の溝形（コ字形）材を対向配置し
た構成とし、その対向部に絶縁油３の流れを良好にする
ためにギャップを設けている。この磁気シールド５は、
その一部が前記タンク２の突条2Aの内側の溝部に収容さ
れるように配置している。A vertical ridge 2A is also provided on the side surface of the tank 2 for reinforcement.
The required number is integrally formed. Further, the magnetic shield 5 has a structure in which a pair of groove-shaped (U-shaped) members made of silicon steel plate are arranged to face each other, and a gap is provided in the facing portion to improve the flow of the insulating oil 3. This magnetic shield 5
It is arranged so that a part thereof is accommodated in the groove inside the protrusion 2A of the tank 2.
このような構造とすると、リード線４とその磁気シール
ド５の一部がタンク２側面の突条2Aの内側の溝部に収容
された状態となり、コイル１とタンク２の間隔距離が短
縮される。この結果、機器の小形化が図れる。また、リ
ード線４が磁気シールド５で囲まれており、高いシール
ド効果によって標遊負荷損が軽減される。この場合、磁
気シールド５にギャップがあるため、絶縁油３の流れは
良好となり、順調に冷却が行われる。With such a structure, the lead wire 4 and a part of the magnetic shield 5 thereof are accommodated in the groove inside the protrusion 2A on the side surface of the tank 2, and the distance between the coil 1 and the tank 2 is shortened. As a result, the size of the device can be reduced. Further, since the lead wire 4 is surrounded by the magnetic shield 5, the stray load loss is reduced due to the high shielding effect. In this case, since the magnetic shield 5 has a gap, the flow of the insulating oil 3 becomes good, and the cooling is smoothly performed.
なお、上記実施例では、一対の溝形材を対向配置した構
造の磁気シールド５としたが、第２図に示すように軸方
向にギャップを有する管状（断面Ｃ字形）の磁気シール
ド５′としてもよい。In the above embodiment, the magnetic shield 5 has a structure in which a pair of channel members are arranged to face each other. However, as shown in FIG. 2, a tubular (C-shaped cross section) magnetic shield 5'having a gap in the axial direction is used. Good.
H.考案の効果 以上のように本考案によれば、タンク側面に補強を兼ね
て縦方向の突条一体に形成する一方、本体部から引き出
されたリード線を囲むように磁気シールドを設け、その
一部を前記突条の内側の溝部に収容させたので、高いシ
ールド効果を有しながら本体部とタンクの間の寸法を短
縮することができ、機器の小形化が図れる。また、タン
ク補強部の一体形成によってタンク鋼板の使用量を減少
させることが可能となる。H. Effect of the Invention As described above, according to the present invention, the tank side surface is formed integrally with the longitudinal ridge for reinforcement and the magnetic shield is provided so as to surround the lead wire pulled out from the main body. Since a part thereof is accommodated in the groove inside the protrusion, the size between the main body and the tank can be shortened while having a high shielding effect, and the device can be downsized. In addition, it is possible to reduce the usage amount of the tank steel plate by integrally forming the tank reinforcing portion.
第１図は本考案に係る油入電気機器の一実施例を示す断
面図、第２図は本考案の他の実施例を示す断面図、第３
図は従来例を示す断面図である。 １…コイル（本体部）、２…タンク、2A…補強を兼ねて
タンク側面に形成された突条、３…絶縁油、４…リード
線、5,5′…磁気シールド。FIG. 1 is a sectional view showing an embodiment of the oil-filled electric device according to the present invention, FIG. 2 is a sectional view showing another embodiment of the present invention, and FIG.
The figure is a cross-sectional view showing a conventional example. DESCRIPTION OF SYMBOLS 1 ... Coil (main body part), 2 ... Tank, 2A ... A ridge formed on the side surface of the tank for the purpose of reinforcement, 3 ... Insulating oil, 4 ... Lead wire, 5, 5 '... Magnetic shield.
Claims (1)
し、絶縁油を用いて絶縁と冷却を行う油入電気機器にお
いて、前記タンクの側面に補強を兼ねて縦方向の突条を
一体に形成する一方、前記本体部から引き出されたリー
ド線を一部にギャップを有する形で囲み、かつ前記突条
の内側の溝部に一部が収容されるように磁気シールドを
配設したことを特徴とする油入電気機器。1. An oil-filled electric device in which a main body composed of a coil or the like is housed in a tank and insulated and cooled by using insulating oil, and a vertical ridge is integrally formed on the side surface of the tank for reinforcement. On the other hand, a magnetic shield is provided so as to enclose the lead wire drawn out from the main body part in a form having a gap in part and to partially accommodate it in the groove part inside the protrusion. Characteristic oil-filled electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13845289U JPH0735374Y2 (en) | 1989-11-29 | 1989-11-29 | Oil-filled electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13845289U JPH0735374Y2 (en) | 1989-11-29 | 1989-11-29 | Oil-filled electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0377420U JPH0377420U (en) | 1991-08-05 |
| JPH0735374Y2 true JPH0735374Y2 (en) | 1995-08-09 |
Family
ID=31685549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13845289U Expired - Lifetime JPH0735374Y2 (en) | 1989-11-29 | 1989-11-29 | Oil-filled electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735374Y2 (en) |
-
1989
- 1989-11-29 JP JP13845289U patent/JPH0735374Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0377420U (en) | 1991-08-05 |
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