JPS6277809A - Voltage detector for ground switch - Google Patents
Voltage detector for ground switchInfo
- Publication number
- JPS6277809A JPS6277809A JP60219389A JP21938985A JPS6277809A JP S6277809 A JPS6277809 A JP S6277809A JP 60219389 A JP60219389 A JP 60219389A JP 21938985 A JP21938985 A JP 21938985A JP S6277809 A JPS6277809 A JP S6277809A
- Authority
- JP
- Japan
- Prior art keywords
- voltage detection
- electrode
- grounding
- voltage
- terminal
- 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
- Gas-Insulated Switchgears (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】 〔産業上の利用分野〕 この発明は接地開閉器の検電装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a voltage detection device for an earthing switch.
第４図に従来の技術による接地開閉器の検電装置の構成
を示す。図において主回路側タンク（１）と接地開閉器
側のタンク（３）は電界緩和用の接地シールド（９）に
よって電界シールドがなされている。可動コンタクト（
５）が図示を省略した駆動機構により駆動されて摺動す
る接地端子（４）は絶縁板（７）を介してタンク（３）
に取り付けられており、シャント（８）によりタンク（
３）に接地されている。FIG. 4 shows the configuration of a voltage detection device for a grounding switch according to the prior art. In the figure, the tank (1) on the main circuit side and the tank (3) on the earthing switch side are electrically shielded by a grounding shield (9) for mitigating the electric field. Movable contact (
5) is driven by a drive mechanism (not shown) and slides, and the ground terminal (4) is connected to the tank (3) via the insulating plate (7).
The shunt (8) connects the tank (
3) is grounded.
従って、接地開閉器が開の場合には、接地シールド（９
）の窓（至）を通して主回路側タンクｔ１）内の充電［
極（２）と可動コンタクト（５）間の静電容量により可
動コンタクト（５）に誘起する電圧はシャント（８）に
より接地されている。接地端子（４）は各相毎に設けら
口ており、第４図においては三相であるので三個あるが
構造はすべて同一であるので断面の詳細図は省略してい
る。可動コンタクト（５）の検電を行なう場合には、接
地端子（４）に検電器ＯＱを接続し、シャント（８）を
取りはずすと、可動コンタクト（５）に誘起した電圧は
接地端子（４）を経て検電装置α１に入力する。Therefore, when the earthing switch is open, the earthing shield (9
) through the window (to) in the main circuit side tank t1) [
A voltage induced in the movable contact (5) due to capacitance between the pole (2) and the movable contact (5) is grounded by a shunt (8). A grounding terminal (4) is provided for each phase, and in FIG. 4, there are three because there are three phases, but the structure is the same, so a detailed cross-sectional view is omitted. When performing voltage detection on the movable contact (5), connect the voltage detector OQ to the ground terminal (4) and remove the shunt (8), and the voltage induced in the movable contact (5) will be transferred to the ground terminal (4). The voltage is inputted to the voltage detection device α1 through .
従来の検電装置は以上のように構成されているので、検
電を行なう場合にはシャント（８）を取りはずす作業が
必要であるが、この作業は極めて煩雑であり長時間を要
するなど問題があった。Since the conventional voltage detection device is configured as described above, it is necessary to remove the shunt (8) when performing voltage detection, but this operation is extremely complicated and takes a long time. there were.
この発明の接地開閉器の検電装置は、接地開閉器の充電
電極と接地電極間に検電用電極を設け、検電用電極に誘
起した電圧を導線により端子へ導くように構成するとと
もに上記端子を接地する接地カバーを備えている。The voltage detection device for an earthing switch of the present invention is configured such that a voltage detection electrode is provided between a charging electrode and a grounding electrode of the earthing switch, and the voltage induced in the voltage detection electrode is guided to a terminal by a conductor. Equipped with a grounding cover to ground the terminal.
［作用コ
充′ＦＬ電極と接地ＴＬ電極間設けた検電用電極には充
電電極と検電用電極間の静電容量により電圧が誘起する
。[Operation] A voltage is induced in the voltage detecting electrode provided between the charging FL electrode and the grounding TL electrode due to the capacitance between the charging electrode and the voltage detecting electrode.
〔実施例〕
第１図にこの発明の実施例を示す。図において、充電電
極（２）を収納する主回路側タンク（１）と接地電極四
を収納する接地開閉器側のタンク（３）間は電界緩和用
の接地ジ−ルート（９）によって電界シールドがなされ
ている。充電電極（２）と接地電極■は接地シールド（
９）をはさんで対向して配置されており、接地電極（１
）の可動コンタクト（５）を図示を省略した駆動機構に
よって図の左方へ移動させて充電電極（２）−゛ 、
（以、７．；白）
に接触させるために接地シールド（９）には所定寸法の
窓αＱが設けられている。充Ｎ 電ｆｈ （２）及び接
地電極・田は３相電路なので３対設けられているが、そ
の内部溝造はすべて同一であり、図の上方２個のものも
最下部のものと同一であるので断面の詳細図は省略して
いる。可動コンタクト（５）は駆動装置によって図の左
方へ移動するときチューリップコンタクト（５ａ）に接
触しつつ摺動し、最終的に充電電１４ （２）のチュー
リップ電極（２ｂ）に接触するように構成されている。[Example] Fig. 1 shows an example of the present invention. In the figure, an electric field shield is provided between the tank (1) on the main circuit side that houses the charging electrode (2) and the tank (3) on the earthing switch side that houses the grounding electrode (4) by a grounding route (9) for mitigating the electric field. is being done. The charging electrode (2) and the grounding electrode ■ are connected to the grounding shield (
9), and are placed facing each other across the ground electrode (1).
) is moved to the left in the figure by a drive mechanism (not shown) and connected to the ground shield (9) in order to contact the charging electrode (2)-゛, (hereinafter 7.; white). is provided with a window αQ of a predetermined size. There are three pairs of charge N electric fh (2) and ground electrode/field because it is a three-phase circuit, but all of their internal groove structures are the same, and the two at the top of the diagram are the same as the one at the bottom. Therefore, detailed cross-sectional views are omitted. When the movable contact (5) is moved to the left in the figure by the drive device, it slides while contacting the tulip contact (5a), and finally comes into contact with the tulip electrode (2b) of the charging electrode 14 (2). It is configured.
接地電極■は接地端子（４）においてシャント（８）ヲ
介してタンク（３）に接地されている。The ground electrode (2) is grounded to the tank (3) via the shunt (8) at the ground terminal (4).
上記元宣宣隆（２）と接地電極■の対は電路の各相毎に
設けられており、例えば３相の、第１図に示す例の場合
は３対設けられる。接地シールド（９）の窓αＱには第
２図に詳細を示す円環状の倹電用電甑四が同じく円環状
の絶Ｒ彼（１３を介して取りつけられており、検出用Ｔ
画圓と端子ｑυは誘導を防ぐために同軸ケーブルα約に
より結線されている。端子０１１は密閉端子板σ勇を貫
通してタンク（３）内を密閉しつつ、タンク（３）の外
部へ導出されている。カバ一台頭は検電装置を使用しな
いときに端子σηを保護するための接地カバーα力を固
定するための部材であり。A pair of the above-mentioned Motonobu Nobutaka (2) and the ground electrode (2) is provided for each phase of the electric circuit, and for example, in the case of the three-phase example shown in FIG. 1, three pairs are provided. A circular electric power saving electric shock absorber 4, whose details are shown in Fig. 2, is attached to the window αQ of the grounding shield (9) via a circular electric wire (13), and a detection T
The picture circle and the terminal qυ are connected by a coaxial cable α to prevent induction. The terminal 011 passes through the sealed terminal plate σyong and is led out to the outside of the tank (3) while sealing the inside of the tank (3). The cover is a member for fixing the grounding cover α force to protect the terminal ση when the voltage detection device is not used.
接地カバーは３本のネジによってカバ一台αＱに固定さ
れている。接地カバーＱツには第３図に示すように、接
地カバーαηをカバ一台αＱに固定したときに端子αυ
に接触して端子σηと接地するようになされた接地バネ
（ハ）が設けられている。The grounding cover is fixed to one cover αQ with three screws. As shown in Figure 3, the grounding cover Q has a terminal αυ when one grounding cover αη is fixed to αQ.
A grounding spring (c) is provided which contacts the terminal ση and is grounded to the terminal ση.
次に動作について説明する。この実施例において検電す
る場合は、まず接地カバー〇ηを取りはずして、端子α
ηに検電器α１を接続する。検電用電極（２）には充電
電極との間の静電容量により電圧が誘起するがこの電圧
は同軸ケーブル（７）を経て端子αυに出力し、検電器
αＱに一印加される。検電器α０を順次各相の端子ＵＵ
に接続することによってそれぞれの電位を測定すること
ができる。Next, the operation will be explained. In this embodiment, when performing a voltage test, first remove the grounding cover 〇η, and then
Connect voltage detector α1 to η. A voltage is induced in the voltage detecting electrode (2) due to the capacitance between it and the charging electrode, and this voltage is outputted to the terminal αυ via the coaxial cable (7) and applied to the voltage detector αQ. Connect the voltage detector α0 to the terminals UU of each phase in sequence.
Each potential can be measured by connecting to the
以上のように、この発明によれば、接地端子（４）とは
別個に検電用電極間を設け、検電を行なう際は接地カバ
ーαつを取りはずすだけでよいので作業が簡単になり短
時間で一二作業ができる。As described above, according to the present invention, a voltage detection electrode is provided separately from the grounding terminal (4), and when performing voltage detection, it is only necessary to remove one grounding cover, which simplifies and saves time. You can do one or two tasks in an hour.
【図面の簡単な説明】
第１図はこの発明の接地開閉器の検電装置の実施例を示
す断面図、第２図はこの発明の実施例における検電用電
極の詳細を示す図、第３図はこの発明の実施例における
接地カバーの詳細を示す図。
第４図は従来の接地開閉器の検電装置の例を示す断面図
である。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a sectional view showing an embodiment of a voltage detection device for an earthing switch of the present invention, Fig. 2 is a diagram showing details of a voltage detection electrode in an embodiment of the invention, and Fig. FIG. 3 is a diagram showing details of the grounding cover in the embodiment of the present invention. FIG. 4 is a sectional view showing an example of a conventional voltage detection device for an earthing switch.
Claims (4)
用電極、上記検電用電極に誘起した電圧を端子に導くた
めの導線、上記端子を不使用時に接地するための接地カ
バーを有する接地開閉器の検電装置。(1) Voltage detection electrode installed between the charging electrode and the grounding electrode of the earthing switch, a conductor for guiding the voltage induced in the voltage detection electrode to the terminal, and a grounding cover for grounding the terminal when not in use. An earthing switch voltage detection device with
られた特許請求の範囲第１項記載の接地開閉器の検電装
置。(2) The voltage detection device for an earthing switch according to claim 1, wherein the voltage detection electrode is provided on the ground shield via an insulator.
記載の接地開閉器の検電装置。(3) The voltage detection device for an earthing switch according to claim 1, wherein the conducting wire is a coaxial cable.
記載の接地開閉器の検電装置。(4) The voltage detection device for an earthing switch according to claim 1, wherein the voltage detection electrode is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60219389A JPS6277809A (en) | 1985-09-30 | 1985-09-30 | Voltage detector for ground switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60219389A JPS6277809A (en) | 1985-09-30 | 1985-09-30 | Voltage detector for ground switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6277809A true JPS6277809A (en) | 1987-04-10 |
Family
ID=16734650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60219389A Pending JPS6277809A (en) | 1985-09-30 | 1985-09-30 | Voltage detector for ground switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6277809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11673186B2 (en) * | 2018-12-13 | 2023-06-13 | Safran Aircraft Engines | Semi-continuous casting of an ingot with compression of the metal during solidification |
-
1985
- 1985-09-30 JP JP60219389A patent/JPS6277809A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11673186B2 (en) * | 2018-12-13 | 2023-06-13 | Safran Aircraft Engines | Semi-continuous casting of an ingot with compression of the metal during solidification |
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