JP2877360B2 - Gas insulated grounding equipment - Google Patents
Gas insulated grounding equipmentInfo
- Publication number
- JP2877360B2 JP2877360B2 JP1178005A JP17800589A JP2877360B2 JP 2877360 B2 JP2877360 B2 JP 2877360B2 JP 1178005 A JP1178005 A JP 1178005A JP 17800589 A JP17800589 A JP 17800589A JP 2877360 B2 JP2877360 B2 JP 2877360B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- movable contact
- insulating
- metal container
- contact
- 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
- Gas-Insulated Switchgears (AREA)
Description
【発明の詳細な説明】 〔発明の目的〕 （産業上の利用分野） 本発明は、ガスシールを改良したガス絶縁接地装置に
関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a gas insulated grounding device with an improved gas seal.
（従来の技術） ガス絶縁開閉装置に使用されるガス絶縁接地装置は、
母線部の充電電荷の放電機能や短時間電流の通電能力を
加えて主回路抵抗、絶縁抵抗等の測定機能を有してい
る。(Prior art) A gas insulated grounding device used for a gas insulated switchgear is:
It has a function of measuring main circuit resistance, insulation resistance, etc. in addition to the function of discharging charged electric charges in the bus portion and the ability to supply short-time current.
この様な従来のガス絶縁接地装置の一例を第４図に示
す。FIG. 4 shows an example of such a conventional gas insulated grounding device.
第４図は断面図の具体的構成を示す。即ち、金属容器
１内に絶縁スペーサ２を介して導体３が配設され、導体
３にそれぞれ固定接触子４が設けられている。一方、金
属容器１側には、前記各固定接触子４と対向して各相の
可動接触子５が設けられ、これら固定接触子４と可動接
触子５とによって断路部Ａが構成されている。FIG. 4 shows a specific configuration of the cross-sectional view. That is, the conductor 3 is disposed in the metal container 1 via the insulating spacer 2, and the conductor 3 is provided with the fixed contact 4. On the other hand, a movable contact 5 of each phase is provided on the side of the metal container 1 so as to face the fixed contact 4, and the fixed contact 4 and the movable contact 5 constitute a disconnection portion A. .
可動接触子５は金属容器１の開口部を塞いでいる絶縁
板７上の集電子６内に摺動自在に挿入されている。The movable contact 5 is slidably inserted into the current collector 6 on the insulating plate 7 closing the opening of the metal container 1.
金属容器１には前記絶縁板７を介してシール部材21に
よりガス気密に金属容器１と同じガス区分の機構箱８が
設けられ前記可動接触子５の基端部は、絶縁板７を貫通
して機構箱８内に挿入され、この機構箱８に収納された
開閉機構部Ｂに接続されている。即ち、この開閉機構部
Ｂにおいては、一例として、可動接触子５の基端が絶縁
継手９を介して、レバー10に回転自在にピン11にて取付
けられ、このレバー10が操作装置の主軸12に連結されて
いる。一方、この可動接触子５と接触している集電子６
は、絶縁板７に接地板13を介して支持されており、この
接地板13が機構箱８の側面にシール剤（２）′によりガ
ス気密に取付られた絶縁板14から導出された接地端子15
に接続されている。The metal container 1 is provided with a mechanism box 8 having the same gas division as that of the metal container 1 in a gas-tight manner by the sealing member 21 via the insulating plate 7. A base end of the movable contact 5 penetrates the insulating plate 7. And is connected to the opening / closing mechanism B housed in the mechanism box 8. That is, in the opening / closing mechanism B, as an example, the base end of the movable contact 5 is rotatably attached to the lever 10 via the insulating joint 9 with the pin 11, and the lever 10 is connected to the main shaft 12 of the operating device. It is connected to. On the other hand, the current collector 6 in contact with the movable contact 5
Are supported on the insulating plate 7 via a grounding plate 13. The grounding plate 13 is a ground terminal derived from an insulating plate 14 which is gas-tightly mounted on the side surface of the mechanism box 8 by a sealant (2) '. Fifteen
It is connected to the.
このような断路部Ａ及び開閉機構部Ｂの断面図を第５
図に示す。即ち、金属容器１内に断面部Ａが配設され、
可動接触子５は絶縁板７を介して開閉機構部Ｂに連結さ
れている。そして、開閉機構部Ｂの主軸12は、機構箱８
外に設けられた操作装置17に軸受け18と回転シール部22
を介して接続されている。Sectional views of the disconnecting section A and the opening / closing mechanism section B are shown in FIG.
Shown in the figure. That is, the cross section A is disposed in the metal container 1,
The movable contact 5 is connected to the opening / closing mechanism B via an insulating plate 7. And the main shaft 12 of the opening / closing mechanism B is the mechanism box 8
A bearing 18 and a rotary seal 22 are provided on an operating device 17 provided outside.
Connected through.
このように構成された接地装置においては、操作装置
17を駆動してその主軸12を回転させることにより、主軸
12に連結されたレバー10を介して可動接触子５を往復動
させ、可動接触子５を導体３上の固定接触子４に接触さ
せると、導体３〜固定接触子４〜可動接触子５〜集電子
６〜接地板13〜接地端子15の順で接地操作が行われる。In the grounding device thus configured, the operating device
By driving 17 and rotating its spindle 12, the spindle
When the movable contact 5 is reciprocated via the lever 10 connected to the movable contact 12 and the movable contact 5 is brought into contact with the fixed contact 4 on the conductor 3, the conductor 3 to the fixed contact 4 to the movable contact 5 The grounding operation is performed in the order of the current collector 6, the ground plate 13, and the ground terminal 15.
ところで、上記のような構成の従来の接触装置におい
ては、絶縁板７と金属容器１、機構箱８の間又、絶縁板
14は機構箱のそして、主軸12の回転シール部22とガス気
密の箇所が多く、その分ガス気密の精度が多く要求さ
れ、ガスリークの危険性も多くなる。さらには、絶縁板
７と絶縁板14の様に大気に露出する絶縁部が多く、絶縁
部の耐候性が要求され、最悪の場合、ゴミ、異物等によ
り、絶縁性能がなくなる危険性も含んでおり、ガス絶縁
接地装置として非常に好ましくないものとなる。By the way, in the conventional contact device having the above-described configuration, the insulating plate 7 is disposed between the metal container 1 and the mechanism box 8 or the insulating plate.
Reference numeral 14 denotes a mechanism box, and there are many gas-tight portions with the rotary seal portion 22 of the main shaft 12, so that the gas-tightness is required to be more precise and the risk of gas leak is increased. Furthermore, there are many insulating parts exposed to the atmosphere, such as the insulating plate 7 and the insulating plate 14, and the weather resistance of the insulating part is required. In the worst case, there is a danger that the insulating performance will be lost due to dust and foreign matter. This is very undesirable as a gas insulated grounding device.
（発明が解決しようとする課題） 上記のように、従来のガス絶縁接地装置においては、
構造が複雑で、ガスシール部が多く、絶縁部が大気に露
出するという問題があった。(Problems to be Solved by the Invention) As described above, in the conventional gas insulated grounding device,
There is a problem that the structure is complicated, there are many gas seal portions, and the insulating portion is exposed to the atmosphere.
本発明の目的は、可動接触子のみをガスシール、絶縁
し、開閉機構ケース内に収納できる様に構成し、ガス気
密および絶縁性能を向上させ構造の単純化が計れるガス
絶縁接地装置を提供することにある。An object of the present invention is to provide a gas insulated grounding device in which only a movable contact is gas-sealed and insulated so that it can be housed in an opening / closing mechanism case, thereby improving gas tightness and insulation performance and simplifying the structure. It is in.
（課題を解決するための手段） 本発明のガス絶縁接地装置は可動接地子を絶縁物にて
構成したシールフランジにてガスシールおよび金属容器
との絶縁を行い、前記の部品を開閉機構ケース内に収納
したものである。(Means for Solving the Problems) The gas insulated grounding device of the present invention performs gas sealing and insulation with a metal container by a seal flange in which a movable grounding element is formed of an insulator, and places the above-mentioned parts in an opening / closing mechanism case. It is stored in.
（作用） このように構成することにより、ガスシール部と絶縁
部の箇所を少なくでき、シール性及び絶縁性を向上させ
ることができる。(Operation) With this configuration, the locations of the gas seal portion and the insulating portion can be reduced, and the sealing performance and the insulating performance can be improved.
（実施例） 本発明のガス絶縁接地装置の一実施例を第１図及び第
２図を用いて説明する。(Embodiment) An embodiment of the gas insulated grounding apparatus of the present invention will be described with reference to FIGS.
第１図は、その縦断面図、断路部Ａの具体的構成を示
す。即ち、金属容器１内に絶縁スペーサ２を介して導体
３が配設され、導体３にそれぞれ固定接触子４が設けら
れている。一方、金属容器１側には、前記各固定接触子
４と対向して可動接触子５が設けられ、これら固定接触
子４と可動接触子５とによって断路部Ａが構成されてい
る。FIG. 1 is a longitudinal sectional view showing a specific configuration of the disconnecting portion A. That is, the conductor 3 is disposed in the metal container 1 via the insulating spacer 2, and the conductor 3 is provided with the fixed contact 4. On the other hand, on the metal container 1 side, a movable contact 5 is provided so as to face each of the fixed contacts 4, and the fixed contact 4 and the movable contact 5 constitute a disconnecting portion A.
可動接触子５はガイド16とシール部19を有するシール
フランジ20を介して金属容器１外に金属容器１とシール
フランジ20にて絶縁されて導出されシールフランジ20上
の集電子６内に摺動自在に挿入されており、前記のシー
ルフランジ20は金属容器１にシール部材21にてガス気密
に取付けられ絶縁物にて構成されている。The movable contact 5 is led out of the metal container 1 via the seal flange 20 having the guide 16 and the seal portion 19 and insulated by the metal container 1 and the seal flange 20 and slides into the current collector 6 on the seal flange 20. The seal flange 20 is freely inserted. The seal flange 20 is attached to the metal container 1 in a gas-tight manner by a seal member 21 and is made of an insulating material.
金属容器１外部には金属容器１とガス区分された機構
箱８が設けられ、この機構箱８内は大気圧となってい
る。前記可動接触子５の基端部は、シールフランジ20の
シール部19を貫通して機構箱８内に挿入され、この機構
箱８に収納された開閉機構部Ｂに接続されている。即
ち、この開閉機構部Ｂにおいては、一例として、可動接
触子５の基端が絶縁継手９を介して、レバー10に回転自
在にピン11にて取付けられ、このレバー10が操作装置の
主軸12に連結されている。一方、この可動接触子５と接
触している集電子６は、シールフランジ20に接地板13を
介して支持されており、この接触板13が機構箱８の側面
に接続されている。Outside the metal container 1, there is provided a mechanism box 8 which is gas-separated from the metal container 1, and the inside of the mechanism box 8 is at atmospheric pressure. The proximal end of the movable contact 5 penetrates through the seal portion 19 of the seal flange 20 and is inserted into the mechanism box 8, and is connected to the opening / closing mechanism B housed in the mechanism box 8. That is, in the opening / closing mechanism B, as an example, the base end of the movable contact 5 is rotatably attached to the lever 10 via the insulating joint 9 with the pin 11, and the lever 10 is connected to the main shaft 12 of the operating device. It is connected to. On the other hand, the current collector 6 in contact with the movable contact 5 is supported by a seal flange 20 via a ground plate 13, and the contact plate 13 is connected to a side surface of the mechanism box 8.
このような断路部Ａ及び開閉機構部Ｂの断面図を第２
図に示す。即ち、金属容器１内に断路部Ａが配設され、
可動接触子５はシールフランジ20を介して大気中の開閉
機構部Ｂに連結されている。そして、開閉機構部Ｂの主
軸12は、機構箱８外に設けられた操作装置17に軸受け18
を介して接続されている。The sectional views of the disconnecting section A and the opening / closing mechanism section B are shown in FIG.
Shown in the figure. That is, the disconnecting portion A is provided in the metal container 1,
The movable contact 5 is connected to an open / close mechanism B in the atmosphere via a seal flange 20. The main shaft 12 of the opening / closing mechanism B is attached to an operating device 17 provided outside the mechanism box 8 by a bearing 18.
Connected through.
このように構成された接地装置においては、操作装置
17を駆動してその主軸12を回転させることにより、主軸
12に連結されたレバー10を介して可動接触子５を往復動
させ、可動接触子５を導体３上の固定接触子４に接触さ
せると、導体３〜固定接触子４〜可動接触子５〜集電子
６〜接地板13の順で接地操作が行われる。In the grounding device thus configured, the operating device
By driving 17 and rotating its spindle 12, the spindle
When the movable contact 5 is reciprocated via the lever 10 connected to the movable contact 12 and the movable contact 5 is brought into contact with the fixed contact 4 on the conductor 3, the conductor 3 to the fixed contact 4 to the movable contact 5 The grounding operation is performed in the order of the current collector 6 to the grounding plate 13.
この様に構成された本実施例においては可動接触子５
を直接に、絶縁物にて構成されたシールフランジ20によ
って、金属容器１からガスシールおよび絶縁して、金属
容器１内から大気中に導出し、さらに機構箱８内に前記
のシールフランジ20等を収納したことにより、ガスシー
ル部と絶縁部が減り、さらには絶縁部が機構箱８にてカ
バーされ絶縁部の耐候性が十分確保できるものとなる。In the present embodiment thus configured, the movable contact 5
Is directly gas-sealed and insulated from the metal container 1 by the seal flange 20 made of an insulating material, is led out of the metal container 1 to the atmosphere, and is further inserted in the mechanism box 8 into the above-described seal flange 20 and the like. , The gas seal portion and the insulating portion are reduced, and furthermore, the insulating portion is covered with the mechanism box 8 so that the weather resistance of the insulating portion can be sufficiently secured.
なお本実施例において第３図に示す様に可動接触子５
に突起部５′を設けて突起部５′とシールフランジ20間
に可動接触子５の受ける圧力をキャンセルするバネ部材
23を設け、接地開閉器の操作力の低減を計ることが可能
となる。In this embodiment, as shown in FIG.
A spring member for canceling the pressure applied to the movable contact 5 between the projection 5 'and the seal flange 20 by providing a projection 5'
The provision of 23 makes it possible to reduce the operating force of the grounding switch.
以上の通り、本発明によれば、ガスシール部と絶縁部
の箇所が少なくガスシール性および絶縁性の性能が向上
し、構造が簡単で装置全体が小型化され、しかも操作装
置の駆動力が低減されたガス絶縁接地装置の提供が可能
である。As described above, according to the present invention, the gas seal portion and the insulating portion are less in number, the gas sealability and the insulating performance are improved, the structure is simple, the entire device is reduced in size, and the driving force of the operating device is reduced. It is possible to provide a reduced gas insulated grounding device.
第１図は本発明のガス絶縁接地装置の一実施例を示す縦
断面図、第２図は第１図の接地装置の横断面図、第３図
は本発明のガス絶縁接地装置の他の実施例を示す縦断面
図、第４図は従来のガス絶縁装置を示す縦断面図、第５
図は第４図の接地装置の横断面図である。 １…金属容器、２…絶縁スペーサー、３…導体、４…固
定接触子、５…可動接触子、６…集電子、７…絶縁板、
８…機構箱、９…絶縁継手、10…レバー、11…接続ピ
ン、12…主軸、13…接地板、14…絶縁板、15…接地端
子、16…ガイド、17…操作装置、18…軸受け、19…シー
ル部、20…シールボックス、21…シール部材、22…回転
シール部、23…バネ部材、Ａ…断路部、Ｂ…開閉機構
部。FIG. 1 is a longitudinal sectional view showing one embodiment of the gas insulated grounding device of the present invention, FIG. 2 is a cross sectional view of the grounding device of FIG. 1, and FIG. FIG. 4 is a longitudinal sectional view showing a conventional gas insulating apparatus, and FIG.
The figure is a cross-sectional view of the grounding device of FIG. REFERENCE SIGNS LIST 1 metal container 2 insulating spacer 3 conductor 4 fixed contact 5 movable contact 6 current collector 7 insulating plate
8 Mechanism box, 9 Insulation joint, 10 Lever, 11 Connection pin, 12 Main shaft, 13 Ground plate, 14 Insulation plate, 15 Ground terminal, 16 Guide, 17 Operating device, 18 Bearing Reference numerals 19, a seal portion, 20 a seal box, 21 a seal member, 22 a rotary seal portion, 23 a spring member, A a disconnecting portion, B a switching mechanism portion.
フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) H02B 13/00 - 13/075 Continuation of front page (58) Field surveyed (Int. Cl. 6 , DB name) H02B 13/00-13/075
Claims (1)
置した充電部に固定側接触部を設け、この固定側接触部
を形成する固定接触子と接離自在の可動接触子を設け、
この可動接触子を絶縁部材で形成され、前記金属容器外
部に気密に取付けられたガスシールフランジを介して気
密に導出させると共に、ガスシールフランジに可動接触
子と摺動接触する集電子を設け、前記可動接触子の一端
を一体に注形する絶縁継手を介して、タンク外部に設け
られた開閉機構部に連結してなるガス絶縁接地装置。1. A fixed contact portion is provided on a charging portion disposed in a metal container filled with an insulating gas therein, and a movable contact which is freely contactable and detachable from a fixed contact forming the fixed contact portion is provided.
This movable contact is formed of an insulating member, and is led out airtight via a gas seal flange hermetically attached to the outside of the metal container, and a gas collector is provided in the gas seal flange in sliding contact with the movable contact, A gas insulated grounding device which is connected to an opening / closing mechanism provided outside the tank via an insulating joint for integrally casting one end of the movable contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1178005A JP2877360B2 (en) | 1989-07-12 | 1989-07-12 | Gas insulated grounding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1178005A JP2877360B2 (en) | 1989-07-12 | 1989-07-12 | Gas insulated grounding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0345112A JPH0345112A (en) | 1991-02-26 |
| JP2877360B2 true JP2877360B2 (en) | 1999-03-31 |
Family
ID=16040890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1178005A Expired - Lifetime JP2877360B2 (en) | 1989-07-12 | 1989-07-12 | Gas insulated grounding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2877360B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040000842A (en) * | 2002-06-25 | 2004-01-07 | 김성균 | glue |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625286Y2 (en) * | 1976-09-18 | 1981-06-15 | ||
| JPS53163634U (en) * | 1977-05-31 | 1978-12-21 |
-
1989
- 1989-07-12 JP JP1178005A patent/JP2877360B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0345112A (en) | 1991-02-26 |
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