JPS5843772Y2 - transformer - Google Patents
transformerInfo
- Publication number
- JPS5843772Y2 JPS5843772Y2 JP14664278U JP14664278U JPS5843772Y2 JP S5843772 Y2 JPS5843772 Y2 JP S5843772Y2 JP 14664278 U JP14664278 U JP 14664278U JP 14664278 U JP14664278 U JP 14664278U JP S5843772 Y2 JPS5843772 Y2 JP S5843772Y2
- Authority
- JP
- Japan
- Prior art keywords
- low voltage
- lead terminal
- winding
- low
- high voltage
- 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
Links
Landscapes
- Regulation Of General Use Transformers (AREA)
- Housings And Mounting Of Transformers (AREA)
- Transformers For Measuring Instruments (AREA)
Description
【考案の詳細な説明】
本考案は低圧巻線端子を外箱の側壁に設けられる低圧口
出し端子を介して外部に引き出すようにした変成器の構
造に関する。[Detailed Description of the Invention] The present invention relates to a structure of a transformer in which a low voltage winding terminal is drawn out to the outside through a low voltage lead terminal provided on a side wall of an outer box.
一般に計器用変圧器等のように高圧側の電圧が非常に高
い変成器においては、鉄心の周囲に巻回された低圧巻線
の外周に高圧巻線が巻回され、高圧巻線端部の電界を緩
和するため高圧巻線の外周にシールドリングが設置され
る。Generally, in transformers such as instrument transformers where the voltage on the high voltage side is very high, the high voltage winding is wound around the outer periphery of the low voltage winding that is wound around the iron core. A shield ring is installed around the high voltage winding to alleviate the electric field.
そして高圧巻線と高圧口出し端子とをシールドリングを
通じて接続し、高圧口出し端子と高電圧母線とが接続さ
れる。Then, the high voltage winding and the high voltage lead terminal are connected through the shield ring, and the high voltage lead terminal and the high voltage bus bar are connected.
一方低圧巻線は外箱に設けられた低圧口出し端子に接続
し、低圧口出し端子と計器とが接続されるような構造と
なっている。On the other hand, the low voltage winding is connected to a low voltage lead terminal provided on the outer box, and the structure is such that the low voltage lead terminal and the meter are connected.
従来の変成器は第1図および第2図に示すように鉄心8
の1脚に低圧巻線1が、低圧巻線1の外周に高圧巻線2
が巻回され、高圧巻線2の外周にシールドリング12が
装着されている。A conventional transformer has an iron core 8 as shown in Figures 1 and 2.
A low voltage winding 1 is connected to one leg of the
is wound, and a shield ring 12 is attached to the outer periphery of the high voltage winding 2.
高圧巻線2はシールドリング12を通じて高圧接続導体
13により高圧口出し端子14に接続されている。The high voltage winding 2 is connected to a high voltage lead terminal 14 through a shield ring 12 and a high voltage connection conductor 13.
一方、高圧巻線2およびシールドリング12と対向する
鉄心8および鉄心締付部材9の端部の電界を緩和するた
めに平板状の接地シールド3,4が鉄心8に面して設け
られ、接地シールド3は高圧巻線2、低圧巻線1の軸方
向端部側に配置されている。On the other hand, flat grounding shields 3 and 4 are provided facing the iron core 8 in order to alleviate the electric field at the ends of the iron core 8 and the iron core clamping member 9 facing the high voltage winding 2 and the shield ring 12. The shield 3 is arranged on the axial end side of the high voltage winding 2 and the low voltage winding 1.
低圧巻線1は低圧シード6により外箱に設けられた低圧
口出し端子7に接続されている。The low voltage winding 1 is connected by a low voltage seed 6 to a low voltage lead terminal 7 provided on the outer box.
しかしながら低圧口出し端子接続部11および低圧口出
し端子7は接地シールド板4より露出した位置にあるの
で、高圧充電部であるシールドリング12と直接対向す
ることになる。However, since the low voltage lead terminal connecting portion 11 and the low voltage lead terminal 7 are located at positions exposed from the ground shield plate 4, they directly face the shield ring 12, which is a high voltage charging portion.
平板状の接地シールド4と低圧口出し端子接続部11と
の電極形状を比較した場合、明らかに低圧口出し端子接
続部11の方がはるかに悪いので、低圧口出し端子接続
部11とシールドリング12との間の絶縁距離は、シー
ルドリング12と接地シールド4との間の絶縁距離に比
べ相当大きくする必要があり、このため機器全体が大き
くなるという欠点を有していた。When comparing the electrode shapes of the flat ground shield 4 and the low voltage lead terminal connection part 11, it is clear that the low voltage lead terminal connection part 11 is much worse. The insulation distance between the shield ring 12 and the ground shield 4 needs to be considerably larger than the insulation distance between the shield ring 12 and the ground shield 4, which has the disadvantage that the entire device becomes larger.
又、低圧口出し端子接続部11と低圧口出し端子7とが
接地シールド4より露出し、高圧充電部に直接さらされ
ることは低圧回路保護の観点から見て好ましくなく、第
3図および第4図に示すように保護シールド5を設けて
低圧口出し端子接続部11および低圧口出し端子7を覆
うように保護する構造もとられているが、この場合にお
いても保護シールド5およびこれを取付ける締付部材1
6が必要となり、部品点数の増加および組立時間の増大
による経済的損失を有する欠点があった。In addition, it is undesirable from the viewpoint of low voltage circuit protection that the low voltage lead terminal connecting portion 11 and the low voltage lead terminal 7 are exposed from the ground shield 4 and directly exposed to the high voltage charging part, and as shown in FIGS. 3 and 4. As shown, a structure is also adopted in which a protective shield 5 is provided to cover and protect the low-voltage outlet terminal connection part 11 and the low-voltage outlet terminal 7, but in this case, the protective shield 5 and the fastening member 1 to which it is attached are also provided.
6 is required, which has the disadvantage of causing an economic loss due to an increase in the number of parts and an increase in assembly time.
又第1図、第2図いずれの場合においても低圧口出し端
子7の取付位置は外箱10の下方に限定されるため、機
器の配置および他機器との構成において大きな障害にな
るという欠点を有していた。In addition, in both cases of Fig. 1 and Fig. 2, the installation position of the low-voltage outlet terminal 7 is limited to the lower part of the outer box 10, which has the disadvantage of causing a major hindrance in the arrangement of the equipment and the configuration with other equipment. Was.
本考案は上記従来のものの欠点を解消するためになされ
たもので、低圧口出し端子を外箱側壁の接地シールドと
相対向する領域に設けることにより、高圧充電部から低
圧口出し部を完全に保護し低圧口出し端子の取付は位置
の自由度が大巾に改善された変成器の提供を目的とした
ものである。The present invention was developed to solve the above-mentioned drawbacks of the conventional devices, and by providing the low voltage lead terminal in the area facing the ground shield on the side wall of the outer box, the low voltage lead part is completely protected from the high voltage charging part. The purpose of installing low-voltage lead terminals is to provide a transformer with greatly improved freedom of position.
以下、本考案における変成器の一実施例を第5図および
第6図に基づいて説明する。An embodiment of the transformer according to the present invention will be described below with reference to FIGS. 5 and 6.
図において、第1図および第2図に示す従来のもの同様
鉄心8の一脚に低圧巻線1が、低圧巻線1の外周に高圧
巻線2が巻回され、さらに高圧巻線2の外周にシールド
リング12が装着されている。In the figure, like the conventional ones shown in FIGS. 1 and 2, a low voltage winding 1 is wound around one leg of the iron core 8, a high voltage winding 2 is wound around the outer periphery of the low voltage winding 1, and a high voltage winding 2 is further wound around the outer periphery of the low voltage winding 1. A shield ring 12 is attached to the outer periphery.
高圧巻線2はシールドリング12を通じて高圧接続導体
13により高圧口出し端子14に接続されている。The high voltage winding 2 is connected to a high voltage lead terminal 14 through a shield ring 12 and a high voltage connection conductor 13.
一方、高圧巻線2とシールドリング12と対向する鉄心
8および鉄心締付部材9の端部の電界を緩和するために
平板状の接地シールド3,4が鉄心8に面して設けられ
、接地シールド3は高圧巻線2、低圧巻線1の軸方向端
部側に配置されている。On the other hand, flat grounding shields 3 and 4 are provided facing the iron core 8 to alleviate the electric field at the ends of the iron core 8 and the iron core clamping member 9, which face the high voltage winding 2 and the shield ring 12. The shield 3 is arranged on the axial end side of the high voltage winding 2 and the low voltage winding 1.
低圧口出し端子7は接地シールド3と相対向する外箱1
0の側壁領域に設けられ、低圧リード6により低圧巻線
1と接続されている。The low voltage lead terminal 7 is connected to the outer box 1 facing the grounding shield 3.
0 and is connected to the low voltage winding 1 by a low voltage lead 6.
従って低圧リード6、低圧口出し端子7および低圧口出
し端子接続部11といった低圧配線電路の全ての部分が
接地シールド3,4によって高圧充電部である高圧巻線
2およびシールドリング12がら完全に保護されること
になる。Therefore, all parts of the low-voltage wiring circuit, such as the low-voltage lead 6, low-voltage lead terminal 7, and low-voltage lead-out terminal connection part 11, are completely protected by the ground shields 3 and 4 from the high-voltage winding 2 and the shield ring 12, which are high-voltage live parts. It turns out.
又低圧口出し端子7の取付位置も接地シールド3の高さ
の範囲内において自由に選定することが可能となる。Furthermore, the mounting position of the low voltage lead terminal 7 can be freely selected within the range of the height of the ground shield 3.
以上のように本考案の変成器によれば、低圧口出し端子
を外箱側壁の接地シールドと相対向する領域に設けるこ
とにより、高圧充電部から低圧口出し端子を完全に保護
すると共に低圧口出し端子の取付位置の自由度が大幅に
改善されるので実用上の効果は多大である。As described above, according to the transformer of the present invention, by providing the low voltage lead terminal in the area facing the ground shield on the side wall of the outer box, the low voltage lead terminal is completely protected from the high voltage live part, and the low voltage lead terminal is Since the degree of freedom in mounting position is greatly improved, the practical effect is great.
第1図および第2図は従来の変成器の一例の概略構成を
それぞれ示す平面図および側面図、第3図および第4図
は従来の変成器の他の例の概略構成をそれぞれ示す平面
図および側面図、第5図および第6図はこの考案による
変成器の一実施例の概略構成をそれぞれ示す平面図およ
び側面図である。
図において、1は低圧巻線、3,4は接地シールド、6
は低圧シード、7は低圧口出し端子、8は鉄心、10は
外箱である。
尚、各図中同一符号はそれぞれ同−又は相当部分を示す
。1 and 2 are a plan view and a side view, respectively, showing a schematic configuration of an example of a conventional transformer, and FIGS. 3 and 4 are plan views, respectively, showing a schematic configuration of another example of a conventional transformer. 5 and 6 are a plan view and a side view, respectively, showing the schematic structure of an embodiment of the transformer according to this invention. In the figure, 1 is a low voltage winding, 3 and 4 are ground shields, and 6
7 is a low voltage seed, 7 is a low voltage lead terminal, 8 is an iron core, and 10 is an outer box. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
収納する外箱の側壁に設けられる低圧口出し端子を介し
て外部に引き出すものにおいて、上記側壁の上記低圧巻
線の軸方向端部側の上記鉄心に覆着される接地シールド
と相対向する領域に上記低圧口出し端子を設けたことを
特徴とする変成器。In a device in which a winding terminal of a low voltage winding wound around an iron core is pulled out to the outside via a low voltage lead terminal provided on a side wall of an outer box housing the winding terminal, the axial direction of the low voltage winding on the side wall A transformer characterized in that the low voltage lead terminal is provided in a region facing a grounding shield covered with the iron core on the end side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14664278U JPS5843772Y2 (en) | 1978-10-24 | 1978-10-24 | transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14664278U JPS5843772Y2 (en) | 1978-10-24 | 1978-10-24 | transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5563141U JPS5563141U (en) | 1980-04-30 |
JPS5843772Y2 true JPS5843772Y2 (en) | 1983-10-04 |
Family
ID=29127342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14664278U Expired JPS5843772Y2 (en) | 1978-10-24 | 1978-10-24 | transformer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5843772Y2 (en) |
-
1978
- 1978-10-24 JP JP14664278U patent/JPS5843772Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5563141U (en) | 1980-04-30 |
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