JPS6321079Y2 - - Google Patents
Info
- Publication number
- JPS6321079Y2 JPS6321079Y2 JP7799181U JP7799181U JPS6321079Y2 JP S6321079 Y2 JPS6321079 Y2 JP S6321079Y2 JP 7799181 U JP7799181 U JP 7799181U JP 7799181 U JP7799181 U JP 7799181U JP S6321079 Y2 JPS6321079 Y2 JP S6321079Y2
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- insulating
- movable
- electrode rod
- vacuum
- 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
- 239000004020 conductor Substances 0.000 claims description 17
- 239000011810 insulating material Substances 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 230000016507 interphase Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Description
【考案の詳細な説明】
本考案は金属よりなる取付板に固定される真空
しや断器に係り、特に絶縁フレームを介装して取
付板に固定される真空しや断器に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vacuum shield breaker fixed to a metal mounting plate, and more particularly to a vacuum shield breaker fixed to a mounting plate with an insulating frame interposed therebetween.
一般に、例えば電力機器等の電流しや断に用い
るしや断器には、真空容器に固定電極、可動電極
を内装した、いわゆる真空しや断器が用いられて
いる。従来、いわゆる真空しや断器は、金属より
なる円筒部と絶縁材よりなる両端部又は絶縁材よ
りなる円筒部と金属よりなる両端部により形成さ
れる真空容器内に固定電極，可動電極を装着しか
つ可動電極の電極棒をベローズで被覆するととも
に、固定電極は固定側端子導体に固定し、可動電
極は可動側端子導体に上下動を自在にして接続さ
せ、固定側端子導体、可動側端子導体を絶縁物を
介装させ金属板よりなる取付板に取付けて構成さ
れている。 2. Description of the Related Art In general, a so-called vacuum shield circuit breaker, which is used to cut off current in power equipment and the like, is generally used, which has a fixed electrode and a movable electrode inside a vacuum container. Conventionally, so-called vacuum shield disconnectors have a fixed electrode and a movable electrode mounted inside a vacuum container formed by a cylindrical part made of metal and both ends made of insulating material, or a cylindrical part made of insulating material and both ends made of metal. In addition, the electrode rod of the movable electrode is covered with a bellows, the fixed electrode is fixed to the fixed terminal conductor, and the movable electrode is connected to the movable terminal conductor in a vertically movable manner. It is constructed by attaching a conductor to a mounting plate made of a metal plate with an insulator interposed therebetween.
しかし、この真空しや断器では、真空しや断器
の投入、しや断時の衝撃を緩和する緩衝材が設け
てないため衝撃に弱いという問題があつた。ま
た、絶縁性を向上するための絶縁物が設けてない
ため絶縁耐力が低いという問題があつた。このた
め、絶縁物を具備したものが用いられているが、
この場合、真空容器の絶縁耐力は向上しても金属
よりなる取付板に取付けると対地絶縁が弱いとい
う問題があつた。 However, the problem with this vacuum cutter is that it is susceptible to impact because it is not provided with a cushioning material to cushion the impact when the vacuum cutter is turned on or off. In addition, there was a problem that the dielectric strength was low because no insulator was provided to improve insulation. For this reason, those equipped with an insulator are used, but
In this case, even if the dielectric strength of the vacuum container is improved, there is a problem in that when it is attached to a metal mounting plate, the insulation to ground is weak.
本考案は上述の問題に鑑みてなされたもので、
その目的は真空容器を絶縁容器内に弾性材よりな
る充填部材を介装し装着して真空しや断器を形成
し、この真空しや断器を絶縁フレームを介装して
取付板に取付けて緩衝機能と絶縁耐力を向上する
とともに対地絶縁の向上を図つた真空しや断器の
提供にある。 This invention was made in view of the above problems,
The purpose is to form a vacuum shield and disconnector by inserting and mounting a filling member made of elastic material inside the insulating container, and then attaching this vacuum shield and disconnector to a mounting plate through an insulating frame. The purpose of the present invention is to provide a vacuum shield and disconnector that has improved buffering function and dielectric strength, as well as improved ground insulation.
以下、本考案について一実施例を示す図面を参
照して詳細に説明する。第１図に示す１は、絶縁
材よりなり一端部を開口し鍔部２を形成した有底
カツプ状の絶縁容器、４は絶縁容器１に収納され
る金属よりなる円筒部と絶縁材よりなる両端部又
は絶縁材よりなる円筒部と金属よりなる両端部に
より形成される真空容器である。 Hereinafter, the present invention will be described in detail with reference to the drawings showing one embodiment. 1 shown in FIG. 1 is a bottomed cup-shaped insulating container made of an insulating material and having an open end and a flange 2, and 4 is made of an insulating material and a cylindrical part made of metal that is housed in the insulating container 1. It is a vacuum container formed by both ends or a cylindrical part made of an insulating material and both ends made of metal.
３は真空容器４を包着囲繞すると共に絶縁容器
１内に密着充填され真空しや断器の絶縁耐力の向
上及び投入，しや断時の衝撃の緩和を図る例えば
ポリブタジエンゴム，エポキシゴム，シリコンゴ
ム等の弾性材よりなる充填部材である。 3 wraps and surrounds the vacuum container 4 and is tightly packed into the insulating container 1 to improve the dielectric strength of the vacuum shield breaker and to reduce the impact when it is inserted and disconnected. For example, polybutadiene rubber, epoxy rubber, silicone, etc. This is a filling member made of an elastic material such as rubber.
真空容器４には固定電極５，可動電極６が装着
され、固定電極５の電極棒７は固定側端子導体８
に固定されている。可動電極６の電極棒９は上下
動を自在にして可動側端子導体１０に接続され
る。１１は絶縁容器１の鍔部２と固定側絶縁フレ
ーム１２の後述する取付部に介装されるＯ形絶縁
リング、１３は可動側端子導体１０を取付ける後
述する取付部を設けた可動側絶縁フレームであ
る。 A fixed electrode 5 and a movable electrode 6 are attached to the vacuum container 4, and the electrode rod 7 of the fixed electrode 5 is connected to a fixed side terminal conductor 8.
is fixed. The electrode rod 9 of the movable electrode 6 is connected to the movable terminal conductor 10 so as to be freely movable up and down. Reference numeral 11 denotes an O-shaped insulating ring interposed between the flange 2 of the insulating container 1 and the later-described attachment portion of the fixed-side insulating frame 12, and 13 denotes the movable-side insulating frame provided with the later-described attachment portion to which the movable-side terminal conductor 10 is attached. It is.
絶縁フレーム１２，１３は図示を省略する三相
分がそれぞれ一体として形成され金属よりなる取
付板１４に取付けられる。１５は有底カツプ状の
絶縁容器１の底部に設けた可動電極棒９を上下動
を自在とする孔１６を設け内側に突出して形成さ
れる突出部である。突出部１５の内周には充填部
材３が密着して充填される。１７は可動電極棒９
を上下動自在にして可動側端子導体１０に接続さ
せるリングコンタクトである。３３は可動電極９
を被覆するベローズである。 The insulating frames 12 and 13 are formed integrally with three phases (not shown) and are attached to a metal mounting plate 14. Reference numeral 15 denotes a protruding portion formed to protrude inwardly and having a hole 16 that allows the movable electrode rod 9 provided at the bottom of the bottomed cup-shaped insulating container 1 to move up and down. The inner periphery of the protrusion 15 is filled with the filling member 3 in close contact. 17 is a movable electrode rod 9
This is a ring contact that is movable up and down and connected to the movable terminal conductor 10. 33 is a movable electrode 9
It is a bellows that covers the
ところで、絶縁容器１の鍔部２には絶縁Ｏリン
グ１１を設置するため半円状の溝１８が設けられ
る。溝１８に対応するため、固定側絶縁フレーム
１２の固定電極棒７を挿入する開口部を設けた取
付部１９の下面部には、半円状の溝２０が設けら
れている。なお、取付部１９の上面部には固定側
端子導体７を固定具で固定する雌ねじが設けられ
る。 Incidentally, a semicircular groove 18 is provided in the flange 2 of the insulating container 1 in order to install the insulating O-ring 11 therein. In order to correspond to the groove 18, a semicircular groove 20 is provided in the lower surface portion of the mounting portion 19 provided with an opening into which the fixed electrode rod 7 of the fixed side insulating frame 12 is inserted. Note that a female screw for fixing the stationary side terminal conductor 7 with a fixture is provided on the upper surface of the mounting portion 19.
２１は取付部１９の背面に設けられる相間絶縁
バリヤ、２２は取付部１９の取付板１４側の側面
（図示右方）に設けられる対地絶縁バリヤである。
絶縁バリヤ２１，２２は共に気中閃絡電圧を高め
るものである。２３は可動側絶縁フレーム１３の
取付部で、取付部２３には可動電極棒９を上下動
を自在とするため貫通孔が設けられる。 21 is an interphase insulation barrier provided on the back surface of the mounting portion 19, and 22 is a ground insulation barrier provided on the side surface of the mounting portion 19 on the mounting plate 14 side (right side in the figure).
Both insulating barriers 21 and 22 increase the air flash voltage. Reference numeral 23 denotes a mounting portion of the movable insulating frame 13, and a through hole is provided in the mounting portion 23 to allow the movable electrode rod 9 to move up and down freely.
取付部２３の下面部（図示下方）には可動側端
子導体１０を固定するため雌ねじが設けられる。
２４，２５は取付部２３の背面の上下方向に設け
られる相間絶縁バリヤ，２６，２７は取付板１４
側の上下方向（図示右方）に設けられる対地絶縁
バリヤで、気中閃絡電圧及び閃絡電圧を高めるも
のである。 A female thread is provided on the lower surface (lower side in the figure) of the mounting portion 23 for fixing the movable terminal conductor 10.
24 and 25 are interphase insulation barriers provided in the vertical direction on the back surface of the mounting portion 23, and 26 and 27 are mounting plates 14.
This is a ground insulating barrier provided in the vertical direction (right side in the figure) of the side, and increases the air flash fault voltage and the flash fault voltage.
鍔部２の取付部１９への固定は、Ｏリング１１
を溝１８，２０に埋設して第１図に示すように絶
縁容器１の開口部の隙間ｅを密閉し固定する。こ
のため、Ｏリング１１は２８で示す。鍔部２を取
付部１９に固定する固定具の内側（図示の左方）
に設置されている。なお、隙間ｅを密閉するには
第２図，第３図に示すように、弾性を有する絶縁
材よりなりリング状の板状に形成される密閉板２
９を用いてもよい。この密閉板２９は端部（図示
の左方）に取付部１９の下面部に当接する密閉部
３０とこの密閉部３０と連結されかつ鍔部２の外
側部をしや断するしや蔽部３１と固定具２８を貫
通させる貫通孔３２が設けられていて、鍔部２と
取付部１９との間に生ずる隙間ｅを密閉する。な
お、この隙間ｅの密閉には図示を省略した液体パ
ツキンを用いてもよい。隙間ｅは０であるのが望
ましいが、製作上の誤差等が要因となつて隙間ｅ
＜０，隙間ｅ＞０の場合が発生するもので、隙間
ｅ＜０の場合は、固定電極５を固定側端子導体８
に固定すると絶縁容器１の鍔部２が絶縁フレーム
１２の取付部１９の下面部に当接するため固定電
極５は真空しや断器の操作時の衝撃により図示上
方に引上げられて、充填部材３には引張り力が作
用し、絶縁容器１と真空容器４との間に界面剥離
又はクラツクが生じ易く、このクラツクが発生す
ると絶縁耐力及び弾性機能が低下する。 The flange portion 2 is fixed to the mounting portion 19 using an O-ring 11.
are buried in the grooves 18 and 20, and the gap e at the opening of the insulating container 1 is sealed and fixed as shown in FIG. For this reason, the O-ring 11 is indicated by 28. Inside of the fixture that fixes the collar part 2 to the mounting part 19 (left side in the figure)
It is installed in In order to seal the gap e, as shown in FIGS. 2 and 3, a sealing plate 2 made of an elastic insulating material and formed in a ring-shaped plate shape is used.
9 may also be used. This sealing plate 29 has a sealing part 30 that comes into contact with the lower surface of the mounting part 19 at the end (left side in the drawing) and a shield part that is connected to this sealing part 30 and cuts off the outer part of the collar part 2. A through hole 32 is provided through which the fixing member 31 and the fixing member 28 are passed, and the gap e generated between the collar portion 2 and the mounting portion 19 is sealed. Note that a liquid packing (not shown) may be used to seal this gap e. It is desirable that the gap e is 0, but due to manufacturing errors etc.
<0, gap e>0 occurs, and in the case of gap e<0, the fixed electrode 5 is connected to the fixed side terminal conductor 8.
When the insulating container 1 is fixed to the position shown in FIG. A tensile force acts on the insulating container 1 and the vacuum container 4, which tends to cause interfacial peeling or cracking, and when this crack occurs, the dielectric strength and elastic function are reduced.
この防止のために、予め隙間ｅ＞０として製作
されるものである。ところで、この場合、隙間ｅ
が引張り力を吸収するので充填部材３の界面剥離
又はクラツクの発生は防止できるものの、この隙
間ｅを介して固定電極５と固定具２８及び取付板
１４が直接、気中対向して絶縁強度が低下するこ
とになる。そこで、絶縁リング１１を固定具２８
の図示内側に設置して隙間ｅを密閉して絶縁強度
を向上するとともに、真空しや断器内に塵埃，湿
気の侵入を防止し、弾性材よりなる充填部材３の
外気との接触をしや断し、弾性機能の維持を図る
ものである。 To prevent this, the gap e>0 is manufactured in advance. By the way, in this case, the gap e
absorbs the tensile force, so interfacial peeling or cracking of the filling member 3 can be prevented. This will result in a decline. Therefore, the insulating ring 11 is attached to the fixture 28.
It is installed on the inside as shown in the figure to seal the gap e and improve the insulation strength, as well as to prevent dust and moisture from entering the vacuum shield and disconnector, and to prevent the filling member 3 made of an elastic material from coming into contact with the outside air. The purpose is to maintain elastic function by cutting the material.
また、取付部１９の下面部と鍔部２は固定具２
８で一体的に固定されるので、絶縁容器１は持上
げられることはない。もし、外力による持上げ力
が作用しても、取付部１９の上面部に固定された
固定電極７と固定側端子導体８が抑止するととも
に絶縁容器１の突出部１５が真空容器４の底部に
当接するため、絶縁容器１の持上げが防止され
る。 In addition, the lower surface part of the mounting part 19 and the collar part 2 are connected to the fixture 2.
8, the insulating container 1 will not be lifted. Even if a lifting force is applied by an external force, the fixed electrode 7 fixed to the upper surface of the mounting part 19 and the fixed side terminal conductor 8 will suppress it, and if the protruding part 15 of the insulating container 1 hits the bottom of the vacuum container 4, Because of this, lifting of the insulating container 1 is prevented.
本考案は以上説明したように、一端部に鍔部を
有する開口部を設けた絶縁容器内に少なくとも一
対の接離し得る固定及び可動電極を具備する真空
容器と共に弾性材よりなる充填部材を装着してな
る真空しや断器にして、前記固定電極が固定され
る固定側端子導体とともに前記開口部を密閉する
絶縁リングを前記鍔部に装着し該鍔部を絶縁耐力
を向上する固定側絶縁フレームに固定し、前記可
動電極が接続する可動側端子導体を絶縁耐力を向
上する可動側絶縁フレームに固定し、各絶縁フレ
ームを取付板に取付け構成されるものであるか
ら、真空しや断器に作用する衝撃が緩和され安定
した絶縁耐力を維持することができる。また相間
及び対地絶縁が向上するとともに絶縁フレームの
分割構成による組立ての簡易化と小型化，軽量化
が図れ製作費の低減となる等の効果を奏する。 As explained above, the present invention includes a vacuum container equipped with at least one pair of fixed and movable electrodes that can be moved toward and away from an insulating container having an opening with a flange at one end, and a filling member made of an elastic material. a fixed-side insulating frame that improves the dielectric strength of the flange by attaching an insulating ring to the flange to seal the opening together with a fixed-side terminal conductor to which the fixed electrode is fixed; The movable terminal conductor to which the movable electrode connects is fixed to a movable insulating frame that improves dielectric strength, and each insulating frame is attached to a mounting plate. The applied impact is alleviated and stable dielectric strength can be maintained. In addition, interphase and ground insulation is improved, and the split configuration of the insulating frame simplifies assembly, reduces size and weight, and reduces manufacturing costs.
第１図，第２図，第３図は本考案の一実施例を
示し、第１図は正断面図、第２図，第３図は要部
の断面図である。
１……絶縁容器、２……鍔部、３……充填部
材、４……真空容器、５……固定電極、６……可
動電極、７，９……電極棒、８……固定側端子導
体、１０……可動側端子導体、１１……絶縁リン
グ、１２，１３……絶縁フレーム、１４……取付
板、１８，２０……溝、１９，２３……取付部、
２１，２４，２５……相間絶縁バリヤ、２２，２
６，２７……対地絶縁バリヤ。
1, 2, and 3 show an embodiment of the present invention, with FIG. 1 being a front sectional view, and FIGS. 2 and 3 being sectional views of essential parts. 1... Insulating container, 2... Flange, 3... Filling member, 4... Vacuum container, 5... Fixed electrode, 6... Movable electrode, 7, 9... Electrode rod, 8... Fixed side terminal. Conductor, 10... Movable side terminal conductor, 11... Insulating ring, 12, 13... Insulating frame, 14... Mounting plate, 18, 20... Groove, 19, 23... Mounting part,
21, 24, 25... interphase insulation barrier, 22, 2
6, 27... Ground insulation barrier.
Claims (1)
内に接離自在な固定及び可動電極を具備した固定
電極棒及び可動電極棒を設けると共に弾性材より
成る絶縁充填材を内装して成る真空しや断器にし
て、前記固定電極棒が固着する固定側端子導体を
固設すると共に前記鍔部周縁に配設した絶縁材か
ら成る弾性リング部材を介して前記開口部を密閉
固着する固定側絶縁フレームと、前記可動電極棒
が接続する可動側端子導体を固着する可動側絶縁
フレームを備え、この絶縁フレーム夫々を取付板
に固設したことを特徴とする真空しや断器。 A vacuum consisting of a fixed electrode rod and a movable electrode rod equipped with fixed and movable electrodes that can be freely moved in and out of an insulating container with an opening having a flange at one end, and an insulating filling material made of an elastic material inside. A fixed side which fixes a fixed side terminal conductor to which the fixed electrode rod is fixed, and seals and fixes the opening through an elastic ring member made of an insulating material arranged around the periphery of the flange. A vacuum shield disconnector comprising an insulating frame and a movable insulating frame for fixing a movable terminal conductor to which the movable electrode rod is connected, and each of the insulating frames is fixed to a mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7799181U JPS6321079Y2 (en) | 1981-05-28 | 1981-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7799181U JPS6321079Y2 (en) | 1981-05-28 | 1981-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57190635U JPS57190635U (en) | 1982-12-03 |
| JPS6321079Y2 true JPS6321079Y2 (en) | 1988-06-10 |
Family
ID=29873631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7799181U Expired JPS6321079Y2 (en) | 1981-05-28 | 1981-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6321079Y2 (en) |
-
1981
- 1981-05-28 JP JP7799181U patent/JPS6321079Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57190635U (en) | 1982-12-03 |
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