JPS63193419A - Gas breaker - Google Patents
Gas breakerInfo
- Publication number
- JPS63193419A JPS63193419A JP2352687A JP2352687A JPS63193419A JP S63193419 A JPS63193419 A JP S63193419A JP 2352687 A JP2352687 A JP 2352687A JP 2352687 A JP2352687 A JP 2352687A JP S63193419 A JPS63193419 A JP S63193419A
- Authority
- JP
- Japan
- Prior art keywords
- electric field
- insulating
- circuit breaker
- flange portion
- support plate
- 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.)
- Granted
Links
- 230000005684 electric field Effects 0.000 claims description 22
- 230000000116 mitigating effect Effects 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 15
- 239000000872 buffer Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Circuit Breakers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用分野）
本発明はガス遮断器に関するものであって、特に固定接
触子の電界緩和用シールドの固定取付手段の改良に係る
ものである。[Detailed Description of the Invention] [Purpose of the Invention (Industrial Field of Application) The present invention relates to a gas circuit breaker, and in particular to an improvement in a means for fixing a shield for mitigating the electric field of a fixed contact. be.
（従来の技術）
一般に、ガス遮断器としては第４図に示すように、消弧
性ガスを充填したタンク１内に通電部２およびパッファ
シリンダ部３を内蔵し、タンク外に通電部を操作する駆
動機構部４を設けたものが知られている。(Prior art) Generally, as shown in Fig. 4, a gas circuit breaker has a current-carrying part 2 and a puffer cylinder part 3 built into a tank 1 filled with arc-extinguishing gas, and the current-carrying part is operated outside the tank. A drive mechanism unit 4 is known.
この通電部２には、絶縁筒５内に相対的に開離する固定
接触子６と可動接触子７が設けられ、固定接触子６は支
持板８によって支持されている。This current-carrying portion 2 is provided with a fixed contact 6 and a movable contact 7 that are relatively separated from each other in an insulating cylinder 5, and the fixed contact 6 is supported by a support plate 8.
この支持板８には、前記絶縁筒５を支持する絶縁筒金物
９がボルト等の締結部材１０によって固定されている。An insulating cylindrical metal part 9 that supports the insulating cylinder 5 is fixed to the support plate 8 by fastening members 10 such as bolts.
更に、前記固定接触子６の外周には、第５図に示すよう
に両接触子６，７が電気的に同位になるように電界緩和
用シールド１１が配設されている。この電界緩和用シー
ルド１１の基端にはフランジ部１２が形成され、このフ
ランジ部１２は支持板８にボルト等の締結部材１３によ
って支持固定されている。Further, on the outer periphery of the fixed contact 6, as shown in FIG. 5, an electric field mitigation shield 11 is arranged so that both the contacts 6 and 7 are electrically at the same level. A flange portion 12 is formed at the base end of this electric field mitigation shield 11, and this flange portion 12 is supported and fixed to the support plate 8 by fastening members 13 such as bolts.
このように構成されたガス遮断器においては、駆動機橘
部４が作動して可動接触子７が固定接触子６側に駆動さ
れ閉極することによって、支持板８及び絶縁筒金物９を
通って通電路が形成され、可動側端子１４と固定側端子
１５が通電状態となる。In the gas circuit breaker configured in this manner, the movable contact 7 is driven toward the fixed contact 6 side by actuation of the driver part 4 and closed, thereby passing through the support plate 8 and the insulating cylindrical metal member 9. An energizing path is formed, and the movable terminal 14 and the fixed terminal 15 become energized.
（発明が解決しようとする問題点）
上記のような従来のガス遮断器においては、電界緩和用
シールド１１は支持板８に締結部材１３によって取付け
られているため、電界緩和用シールド１１と絶縁筒５と
の相互間の距離が大ぎく、通電部２が広くなり、今日の
ように遮断器の小形化が求められているなかで、通電部
２の縮少化が困難であった。更に、電界緩和用シールド
１１の取付手段として、締結部材１３を用いているため
、支持板８にボルト取付用ネジ穴の加工およびボルト等
が必要となり、加工および組立に過大な労ツノと時間を
要した。(Problems to be Solved by the Invention) In the conventional gas circuit breaker as described above, since the electric field mitigation shield 11 is attached to the support plate 8 by the fastening member 13, the electric field mitigation shield 11 and the insulating tube 5, the current carrying part 2 becomes wide, and it has been difficult to reduce the size of the current carrying part 2, as there is a demand for smaller circuit breakers these days. Furthermore, since the fastening member 13 is used as a means for attaching the electric field mitigation shield 11, it is necessary to prepare screw holes for attaching bolts to the support plate 8, as well as bolts, etc., which requires excessive labor and time for processing and assembly. It took.
本発明の目的は、上記のような従来の遮断器の欠点を解
決し、簡単な構成で電界緩和用シールドと絶縁筒間の距
離を縮少し、締結部材が省略でき、更に作業時間および
労力を削減し、小型で優れたガス遮断器を提供すること
にある。The purpose of the present invention is to solve the above-mentioned drawbacks of conventional circuit breakers, reduce the distance between the electric field mitigation shield and the insulating cylinder with a simple configuration, eliminate fastening members, and further save working time and labor. The purpose is to provide a compact and excellent gas circuit breaker.
［発明の構成］
（問題点を解決するための手段）
本発明のガス遮断器は、固定接触子を支持する支持板と
絶縁筒を支持する絶縁筒金物との間に電界緩和用シール
ドのフランジ部を挿入したものである。[Structure of the Invention] (Means for Solving the Problems) The gas circuit breaker of the present invention includes a flange of an electric field mitigation shield between a support plate that supports a fixed contact and an insulating cylindrical metal member that supports an insulating cylinder. This is the inserted part.
（作用）
本発明のガス遮断器においては、電界緩和用シールドの
フランジ部を支持板と絶縁筒金物との間に挿入したので
、フランジ部の巾面積が絶縁筒金物に吸収され、フラン
ジ部の中面積分だけ電界緩和用シールドと絶縁筒との距
離が縮少できる。(Function) In the gas circuit breaker of the present invention, the flange portion of the electric field mitigation shield is inserted between the support plate and the insulating metal tube, so the width area of the flange portion is absorbed by the insulating metal tube, and the flange portion of the flange portion is absorbed by the insulating metal tube. The distance between the electric field mitigation shield and the insulating cylinder can be reduced by the intermediate area.
（実施例）
進んで本発明のガス遮断器の一実施例を第１図を用いて
説明する。(Example) Next, an example of the gas circuit breaker of the present invention will be described with reference to FIG.
なお、従来の技術と同一部分については同一符号を付し
て説明を省略する。Note that the same parts as those in the prior art are given the same reference numerals and the description thereof will be omitted.
本実施例の構成＊
第１図、第２図において、支持板８の電界緩和用シール
ド１１取付面に、電界緩和用シールド１１のフランジ部
１２を係止するための係止段部２１が形成されている。Configuration of this embodiment* In FIGS. 1 and 2, a locking step portion 21 for locking the flange portion 12 of the electric field mitigation shield 11 is formed on the mounting surface of the electric field mitigation shield 11 of the support plate 8. has been done.
この係止段部２１に対向して絶縁筒金物９の基端内周に
も係止段部２２が設けられ、両係止段部２１．２２によ
って挿入溝２３が形成されている。この挿入溝２３に電
界緩和用シールド１１のフランジ部１２が挿入され、両
係止段部２１，２２によって挾持されている。この場合
に、フランジ部１２が厚いと通電を阻害され、また薄い
場合は電気的に同電位を保てなく、コロナの発生を生じ
ることがあるので、フランジ部１２にバネ性を持たせ、
電気的に同電位とするように、支持板８と絶縁筒金物９
に接触するよう形成されている。A locking step 22 is also provided on the inner periphery of the proximal end of the insulating cylindrical metal object 9, facing the locking step 21, and an insertion groove 23 is formed by both locking steps 21 and 22. The flange portion 12 of the electric field mitigation shield 11 is inserted into the insertion groove 23 and is held between the locking step portions 21 and 22. In this case, if the flange part 12 is thick, current flow will be inhibited, and if it is thin, it will not be possible to maintain the same electrical potential and corona may occur, so the flange part 12 is made to have spring properties.
The support plate 8 and the insulating cylindrical metal part 9 are connected so that they are electrically at the same potential.
is formed to make contact with the
本実施例の作用＊
このように構成された本実施例のガス遮断器で゛は、支
持板８と絶縁筒金物９との係止段部２１゜２２によって
形成された挿入溝２３に電界緩和用シールド１１のフラ
ンジ部１２を挿入すると、フランジ部１２は係止段部２
１．２２によって締結部材１３を用いずに容易に挟持さ
れる。Effect of this embodiment When the flange portion 12 of the shield 11 is inserted, the flange portion 12 is attached to the locking step portion 2.
1.22, it can be easily clamped without using the fastening member 13.
本実施例の効果＊
このように電界緩和用シールド１１のフランジ部１２を
挿入溝２３に挿入し、係止段部２１，２２によってフラ
ンジ部１２を挾持するという簡単な手段で電界緩和用シ
ールド１１が支持固定されると同時に、フランジ部１２
が絶縁筒金物９内に挿入されるので、フランジ部１２の
巾面積が挿入溝２３に吸収される。すなわち、フランジ
部１２ ・の中面積分の空間が省略でき、その分だけ電
界緩和用シールド１１と絶縁筒５との距離が縮まるので
、通電部２の空間が縮少できる。更に、電界緩和用シー
ルド１１のフランジ部１２が係止段部２１．２２によっ
て挾持されるので、ボルト等の締結部材１３が不必要と
なり、ボルト締結作業等がなくなり、労力および作業時
間の削減が計れる。Effects of this embodiment is supported and fixed, and at the same time, the flange portion 12
is inserted into the insulating cylindrical metal member 9, so the width area of the flange portion 12 is absorbed into the insertion groove 23. That is, the space for the middle area of the flange portion 12 can be omitted, and the distance between the electric field relaxation shield 11 and the insulating tube 5 is reduced by that amount, so that the space in the current-carrying portion 2 can be reduced. Furthermore, since the flange portion 12 of the electric field mitigation shield 11 is held between the locking step portions 21 and 22, the fastening members 13 such as bolts are unnecessary, eliminating bolt fastening work, etc., and reducing labor and working time. It can be measured.
＊他の実施例＊
前記実施例においては、支持板８と絶縁筒金物９に対向
して、係止段部２１．２２を形成して、電界緩和用シー
ルド１１のフランジ部１２の挿入溝２３が設けられたが
、挿入溝は絶縁筒金物９のみに設けてもよい。また、第
３図に示すように、電界緩和用シールド１１のフランジ
部１２をバネ性とせず、フランジ部１２の挿入された挿
入溝に弾力性のある非金属２４をさし込んで、フランジ
部１２を係止固定してもよい。*Other embodiments* In the embodiment described above, the locking step portions 21 and 22 are formed opposite to the support plate 8 and the insulating cylindrical metal fitting 9, and the insertion groove 23 of the flange portion 12 of the electric field mitigation shield 11 is formed. However, the insertion groove may be provided only in the insulating cylindrical metal part 9. Furthermore, as shown in FIG. 3, instead of making the flange part 12 of the electric field mitigation shield 11 springy, an elastic non-metal 24 is inserted into the insertion groove of the flange part 12. 12 may be locked and fixed.
［発明の効果］
以上の通り本発明によれば、電界緩和用シールドのフラ
ンジ部を挿入溝に挿入し、支持板および絶縁筒金物の係
止段部によって挾持するという簡単な構成で、電界緩和
用シールドと絶縁筒間の距離を縮少し、締結部材が省略
でき、更に作業時間および労力が削減でき、小型で優れ
たガス遮断器の提供が可能となった。[Effects of the Invention] As described above, according to the present invention, the flange portion of the shield for electric field relaxation is inserted into the insertion groove, and is held between the support plate and the locking stepped portion of the insulating cylindrical metal member. The distance between the gas shield and the insulating cylinder can be reduced, the fastening member can be omitted, and working time and labor can be reduced, making it possible to provide a small and excellent gas circuit breaker.
第１図は本発明のガス遮断器の一実施例を示す断面図、
第２図は第１図の通電部を示す拡大断面図、第３図は本
発明のガス遮断器の他の実施例を示す通電部の拡大断面
図、第４図は従来のガス遮断器を示す断面図、第５図は
第４図の通電部を示す拡大断面図である。
１・・・タンク、２・・・通電部、３・・・パッファシ
リンダ部、４・・・駆動部、５・・・絶縁筒、６・・・
固定接触子、７・・・可動接触子、８・・・支持板、９
・・・絶縁筒金物、１０．１３・・・締結部材、１１・
・・電界緩和用シールド、１２・・・フランジ部、１４
・・・可動側端子、１５・・・固定側端子、２１．２２
・・・係止段部、２３・・・挿入溝、２４・・・非金属
。FIG. 1 is a sectional view showing an embodiment of the gas circuit breaker of the present invention;
FIG. 2 is an enlarged sectional view showing the current-carrying part of FIG. 1, FIG. 3 is an enlarged sectional view of the current-carrying part showing another embodiment of the gas circuit breaker of the present invention, and FIG. The sectional view shown in FIG. 5 is an enlarged sectional view showing the current-carrying part of FIG. 4. DESCRIPTION OF SYMBOLS 1...Tank, 2...Electricity part, 3...Puffer cylinder part, 4...Drive part, 5...Insulating tube, 6...
Fixed contact, 7... Movable contact, 8... Support plate, 9
... Insulating cylindrical metal fitting, 10.13 ... Fastening member, 11.
...Electric field mitigation shield, 12...Flange part, 14
...Movable side terminal, 15...Fixed side terminal, 21.22
...Locking step portion, 23...Insertion groove, 24...Nonmetal.
Claims (3)
ファシリンダ部を内蔵し、通電部は絶縁筒を介して相対
的に開離可能な固定接触子および可動接触子を有する遮
断器において、固定接触子を支持する支持板と前記絶縁
筒を支持する絶縁筒金物との間に電界緩和用シールドの
フランジ部を挿入したことを特徴とするガス遮断器。(1) A circuit breaker in which a current-carrying part and a puffer cylinder part are built into a tank filled with arc-extinguishing gas, and the current-carrying part has a fixed contact and a movable contact that can be relatively separated via an insulating tube. A gas circuit breaker characterized in that a flange portion of an electric field mitigation shield is inserted between a support plate that supports a fixed contact and an insulating cylindrical metal member that supports the insulating cylinder.
ある特許請求の範囲第１項記載のガス遮断器。(2) The gas circuit breaker according to claim 1, wherein the flange portion of the electric field mitigation shield is springy.
絶縁筒金物間に弾力性のある非金属と共に挿入してある
特許請求の範囲第１項記載のガス遮断器。(3) The gas circuit breaker according to claim 1, wherein the flange portion of the electric field mitigation shield is inserted together with an elastic non-metal between the support plate and the insulating metal cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62023526A JPH0610950B2 (en) | 1987-02-05 | 1987-02-05 | Gas circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62023526A JPH0610950B2 (en) | 1987-02-05 | 1987-02-05 | Gas circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63193419A true JPS63193419A (en) | 1988-08-10 |
| JPH0610950B2 JPH0610950B2 (en) | 1994-02-09 |
Family
ID=12112889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62023526A Expired - Lifetime JPH0610950B2 (en) | 1987-02-05 | 1987-02-05 | Gas circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0610950B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5792343U (en) * | 1980-11-27 | 1982-06-07 |
-
1987
- 1987-02-05 JP JP62023526A patent/JPH0610950B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5792343U (en) * | 1980-11-27 | 1982-06-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0610950B2 (en) | 1994-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |