JPH09298023A - Vacuum switch - Google Patents
Vacuum switchInfo
- Publication number
- JPH09298023A JPH09298023A JP11096196A JP11096196A JPH09298023A JP H09298023 A JPH09298023 A JP H09298023A JP 11096196 A JP11096196 A JP 11096196A JP 11096196 A JP11096196 A JP 11096196A JP H09298023 A JPH09298023 A JP H09298023A
- Authority
- JP
- Japan
- Prior art keywords
- movable electrode
- electrode
- vacuum switch
- external circuit
- fixed
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、真空スイッチ管の
電極によって電流の遮断、投入を行うように構成された
真空開閉器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum switch which is constructed so that an electrode of a vacuum switch tube interrupts and turns on an electric current.
【0002】[0002]
【従来の技術】真空スイッチ管の固定電極と可動電極は
突き合わせ構造に配置されているため、大電流が流れる
と電磁力により電極間に反発力が生ずる。真空開閉器
は、上記の力に抗して両電極の接触を保つために電極間
に適当な接触圧が加わるような構造になっている。2. Description of the Related Art Since a fixed electrode and a movable electrode of a vacuum switch tube are arranged in a butting structure, a repulsive force is generated between the electrodes by an electromagnetic force when a large current flows. The vacuum switch has a structure in which an appropriate contact pressure is applied between the electrodes in order to maintain the contact between both electrodes against the above force.
【0003】図6は従来の真空開閉器の閉極状態を示す
側面図である。図6において、1は真空スイッチ管、2
は真空スイッチ管1の固定電極、3は真空スイッチ管1
の可動電極、4は固定電極2と電気的に接続された固定
電極側外部回路端子、5は後述する割端子と可撓導体と
を介して可動電極3と電気的に接続された可動電極側外
部回路端子、これら外部回路端子4,5はそれぞれ絶縁
物を介して図示しない真空開閉器のフレ−ムに固定され
ている。FIG. 6 is a side view showing a closed state of a conventional vacuum switch. In FIG. 6, 1 is a vacuum switch tube, 2
Is a fixed electrode of the vacuum switch tube 1, 3 is the vacuum switch tube 1
Of the movable electrode, 4 is a fixed electrode side external circuit terminal electrically connected to the fixed electrode 2, and 5 is a movable electrode side electrically connected to the movable electrode 3 via a split terminal and a flexible conductor described later. The external circuit terminals, and these external circuit terminals 4 and 5 are fixed to the frame of a vacuum switch (not shown) via an insulator.
【0004】6は可動電極3の軸部に固着された割端
子、7は割端子6と可動電極側外部回路端子5とをフレ
キシブルに接続する可撓導体である。可動電極側外部回
路端子5は、割端子6と可撓導体7を介して可動電極3
と電気的に接続されている。8は可動電極3を機械的に
支持し、また可動電極3と操作棒10とを電気的に絶縁
する絶縁ロッド、9は絶縁ロッド8と操作棒10との間
に設けられ、可動電極3を固定電極2側に付勢し、固定
電極2と可動電極3に所定の接触圧力を与えるための接
圧ばね装置である。Reference numeral 6 is a split terminal fixed to the shaft of the movable electrode 3, and reference numeral 7 is a flexible conductor for flexibly connecting the split terminal 6 and the movable electrode side external circuit terminal 5. The movable electrode side external circuit terminal 5 is connected to the movable electrode 3 via the split terminal 6 and the flexible conductor 7.
Is electrically connected to Reference numeral 8 denotes an insulating rod that mechanically supports the movable electrode 3 and electrically insulates the movable electrode 3 from the operating rod 10. Reference numeral 9 is provided between the insulating rod 8 and the operating rod 10 to move the movable electrode 3 This is a contact pressure spring device for urging the fixed electrode 2 side to give a predetermined contact pressure to the fixed electrode 2 and the movable electrode 3.
【0005】接圧ばね装置9は、円筒101の中で絶縁
ロッド8と一体に連結されたピストン100が上下に摺
動するように構成されている。そして円筒101の一端
には環状のストッパ102が構成されており、ピストン
100の動作範囲を規制している。固定電極2と可動電
極3に所定の接触圧力を与えるためのばね103が、円
筒101の中に装着され、ピストン100を図1の上方
に押し上げている。接圧ばね装置9に連結された操作棒
10の他端は図示しない操作機構に接続され、操作機構
の動作に応じて接圧ばね装置9を上下させ、可動電極3
を固定電極2に接続/離間させ、開閉器の開閉を行な
う。The contact pressure spring device 9 is constructed so that a piston 100 integrally connected to the insulating rod 8 in a cylinder 101 slides up and down. An annular stopper 102 is formed at one end of the cylinder 101 to regulate the operating range of the piston 100. A spring 103 for applying a predetermined contact pressure to the fixed electrode 2 and the movable electrode 3 is mounted in the cylinder 101 and pushes the piston 100 upward in FIG. The other end of the operating rod 10 connected to the contact pressure spring device 9 is connected to an operating mechanism (not shown), and the contact pressure spring device 9 is moved up and down according to the operation of the operating mechanism to move the movable electrode 3
Is connected to / separated from the fixed electrode 2 to open / close the switch.
【0006】次に動作について説明する。図6に示す開
閉器の閉極状態では、電流は固定電極側外部回路端子4
〜真空スイッチ管の固定電極2〜真空スイッチ管の可動
電極3〜割端子6〜可撓導体7〜可動電極用外部回路端
子5の通路によって流れる。Next, the operation will be described. In the closed state of the switch shown in FIG. 6, the electric current is fixed electrode side external circuit terminal 4
~ Flow through the passage of fixed electrode of vacuum switch tube 2-movable electrode of vacuum switch tube 3-split terminal 6-flexible conductor 7-external circuit terminal 5 for movable electrode.
【0007】この閉極状態では、図示しない操作機構に
よって操作棒10及び接圧ばね装置9が押し上げられ、
そしてばね103が距離Wだけ圧縮されて、ピストン1
00及びこれと一体に連結された可動電極3を固定電極
2に押圧している。それにより、可動電極3と固定電極
2との間に所定の接触圧力が与えられている。In this closed state, the operating rod 10 and the contact pressure spring device 9 are pushed up by an operating mechanism (not shown),
The spring 103 is compressed by the distance W, and the piston 1
00 and the movable electrode 3 integrally connected thereto are pressed against the fixed electrode 2. As a result, a predetermined contact pressure is applied between the movable electrode 3 and the fixed electrode 2.
【0008】開閉器が開極する場合は、図6に示す状態
から図示しない操作機構によって操作棒10、接圧ばね
装置9が引き下げられ、ピストン100及びこれと一体
に連結された可動電極3が下方に引き下げられて、可動
電極3が固定電極2から離されて開極が行なわれる。When the switch is opened, the operating rod 10 and the contact pressure spring device 9 are pulled down by the operating mechanism (not shown) from the state shown in FIG. 6, and the piston 100 and the movable electrode 3 integrally connected thereto are pulled. When the movable electrode 3 is pulled downward, the movable electrode 3 is separated from the fixed electrode 2 and the contact is opened.
【0009】[0009]
【発明が解決しようとする課題】従来の真空開閉器は上
記の如く構成されているため、遮断容量を大きくしよう
とすると、投入電流の増大にともない固定電極2と可動
電極3との間の反発力が大きくなるので、固定電極2と
可動電極3と間の接触圧力も増加させなければならな
い。そのため、接圧ばね装置9を大型化しなけらばなら
なかった。その結果装置全体が大型化したり、また部品
点数が増えるという問題があった。Since the conventional vacuum switch is constructed as described above, when an attempt is made to increase the breaking capacity, the repulsion between the fixed electrode 2 and the movable electrode 3 is accompanied by an increase in the making current. Since the force becomes large, the contact pressure between the fixed electrode 2 and the movable electrode 3 must also be increased. Therefore, the contact pressure spring device 9 had to be upsized. As a result, there is a problem that the entire device becomes large and the number of parts increases.
【0010】本発明は、上記課題を解決するためになさ
れたもので、簡単な構成で、小型化することができる真
空開閉器を提供することを目的としている。The present invention has been made to solve the above problems, and an object thereof is to provide a vacuum switch which has a simple structure and can be miniaturized.
【0011】[0011]
【課題を解決するための手段】請求項1の真空開閉器に
おいては、固定電極および可動電極を有する真空スイッ
チ管と、固定電極を外部回路に電気的に接続する固定電
極側外部回路端子と、可動電極を外部回路につなぐため
の可動電極側外部回路端子と、可動電極と操作機構とを
機械的につなぎかつ電気的に絶縁し、操作機構の可動電
極を固定電極に接続/離間させる動作を可動電極に伝達
する絶縁ロッドと、可動電極と可動電極側外部回路端子
を電気的に接続するとともに、可動電極を固定電極側に
押圧する弾性導体とを備えている。According to a first aspect of the present invention, there is provided a vacuum switch having a fixed electrode and a movable electrode, and a fixed electrode side external circuit terminal for electrically connecting the fixed electrode to an external circuit. A movable electrode side external circuit terminal for connecting the movable electrode to an external circuit is mechanically connected and electrically insulated from the movable electrode and the operating mechanism to connect / separate the movable electrode of the operating mechanism to / from the fixed electrode. An insulating rod that transmits to the movable electrode, and an elastic conductor that electrically connects the movable electrode and the movable electrode side external circuit terminal and presses the movable electrode toward the fixed electrode side are provided.
【0012】請求項2の真空開閉器においては、弾性導
体は、複数の板ばねによって構成されている。In the vacuum switch of the second aspect, the elastic conductor is composed of a plurality of leaf springs.
【0013】請求項3の真空開閉器においては、弾性導
体は、必要に応じて積み重ねて使用される少なくとも1
枚の皿ばねによって構成されている。According to another aspect of the vacuum switch of the present invention, at least one elastic conductor is used by stacking the elastic conductors as needed.
It is composed of one disc spring.
【0014】請求項4の真空開閉器においては、弾性導
体は導電性の高い部材と弾性の高い部材を重ねて作製さ
れている。In the vacuum switch according to the fourth aspect, the elastic conductor is made by stacking a highly conductive member and a highly elastic member.
【0015】[0015]
実施の形態1.図1はこの発明の真空開閉器の閉極状態
を示す一部を断面とした側面図である。図2は図1のII
−II線に沿う矢視断面図である。図6に示した従来の真
空開閉器と同一または相当部分には同一符号を付し、そ
の説明を省略する。図1および図2において、可動電極
用外部回路端子5は穴5aを有する平板状の部材で、そ
の穴5aに可動電極3が軸部3aを貫通させて配置され
ている。可動電極3の軸部3aには従来と同じように、
割端子6が嵌着されている。そして可動電極用外部回路
端子5は、絶縁物を介して図示しない真空開閉器のフレ
−ムに固定されている。可動電極3は、絶縁ロッド8を
介して操作棒10と一体に連結されている。Embodiment 1. FIG. 1 is a side view with a part in section showing the closed state of the vacuum switch of the present invention. FIG. 2 is II of FIG.
FIG. 7 is a cross-sectional view taken along the line II. The same or corresponding parts as those of the conventional vacuum switch shown in FIG. 6 are designated by the same reference numerals, and the description thereof will be omitted. 1 and 2, the movable electrode external circuit terminal 5 is a plate-shaped member having a hole 5a, and the movable electrode 3 is arranged in the hole 5a with the shaft portion 3a penetrating therethrough. In the shaft portion 3a of the movable electrode 3, as in the conventional case,
The split terminal 6 is fitted. The movable electrode external circuit terminal 5 is fixed to a frame of a vacuum switch (not shown) via an insulator. The movable electrode 3 is integrally connected to the operating rod 10 via an insulating rod 8.
【0016】可動電極用外部回路端子5の穴5aの周縁
には、弾性導体である複数の平板棒状の板ばね200が
配設されている。板ばね200は、先端部と後端部とが
それぞれ中間部に対して、反対方向に鈍角をもって折り
曲げられている。板ばね200は、それぞれ後端部を穴
5aの周縁に固定されて、先端部を可動電極3の中心軸
方向に向けて放射状に配設されている。そして各板ばね
200は、各先端部を割端子6の裏面に当接され、割端
子6を図1の上方に付勢するように撓んだ状態で後端部
を固定されている。板ばね200は、導電性を有し、か
つ弾性を有する例えばりん錆銅にて作製されている。A plurality of flat bar-shaped leaf springs 200, which are elastic conductors, are arranged around the periphery of the hole 5a of the movable electrode external circuit terminal 5. The leaf spring 200 has a front end portion and a rear end portion that are bent at an obtuse angle in opposite directions with respect to the intermediate portion. The leaf springs 200 each have a rear end portion fixed to the peripheral edge of the hole 5a and are radially arranged with their front end portions directed toward the central axis direction of the movable electrode 3. Each leaf spring 200 has its tip end abutted against the back surface of the split terminal 6, and has its rear end fixed while being bent so as to bias the split terminal 6 upward in FIG. The leaf spring 200 is made of, for example, phosphorous rust copper having conductivity and elasticity.
【0017】図1に示された開閉器の閉極状態では、電
流は固定電極用外部回路端子4〜真空スイッチ管の固定
電極2〜真空スイッチ管の可動電極3〜割端子6〜板ば
ね200〜可動電極用外部回路端子5の通路によって流
れる。In the closed state of the switch shown in FIG. 1, the current is a fixed electrode external circuit terminal 4, a fixed electrode of the vacuum switch tube 2, a movable electrode 3 of the vacuum switch tube 3, a split terminal 6 and a leaf spring 200. ~ Flow by the passage of the external circuit terminal 5 for movable electrodes.
【0018】次に動作について説明する。図1に示され
た開閉器の閉極状態においては、図示しない操作機構に
よって操作棒10、絶縁ロッド8が図の上方に押し上げ
られ、可動電極3が固定電極に接触している。この状態
で板ばね200は、自らの復元力により、先端部で割端
子6の裏面を図1の上方に付勢している。そのため、可
動電極3が固定電極2方向に押圧され、可動電極3と固
定電極2との間に所定の接触圧力が与えられている。Next, the operation will be described. In the closed state of the switch shown in FIG. 1, the operating rod 10 and the insulating rod 8 are pushed upward by the operating mechanism (not shown), and the movable electrode 3 is in contact with the fixed electrode. In this state, the leaf spring 200 biases the rear surface of the split terminal 6 upward in FIG. Therefore, the movable electrode 3 is pressed toward the fixed electrode 2 and a predetermined contact pressure is applied between the movable electrode 3 and the fixed electrode 2.
【0019】逆に開閉器が開極する場合は、図1に示す
状態から図示しない操作機構によって操作棒10が引き
下げられ、これと一体に連結されている絶縁ロッド8、
可動電極3が下方に引き下げられて開極する。この時、
板ばね200は、閉極時よりさらに撓むのでその復元力
が増すが、本実施の形態における真空開閉器のように、
開極距離が数mmである真空開閉器においては、板ばね
200の復元力の変動はあまり大きくないので問題はな
い。On the contrary, when the switch is opened, the operating rod 10 is pulled down from the state shown in FIG. 1 by an operating mechanism (not shown), and the insulating rod 8 connected integrally with the operating rod 10.
The movable electrode 3 is pulled down and opens. This time,
Since the leaf spring 200 is further bent than when it is closed, its restoring force increases, but like the vacuum switch of the present embodiment,
In a vacuum switch whose opening distance is several mm, there is no problem because the fluctuation of the restoring force of the leaf spring 200 is not so large.
【0020】このような構成の真空開閉器においては、
接圧ばね装置を無くすことができるので、構造の簡素化
と部品点数の削減をすることができ、装置の組立性、信
頼性が向上する。また、装置の小型化が可能で、さらに
コストを低減することができる。In the vacuum switch having such a structure,
Since the contact pressure spring device can be eliminated, the structure can be simplified and the number of parts can be reduced, and the assemblability and reliability of the device can be improved. Further, the device can be downsized, and the cost can be further reduced.
【0021】実施の形態2.図3はこの発明の真空開閉
器の他の例を示す弾性導体の図である。実施の形態1に
おいては、弾性導体は、可動電極用外部回路端子5の穴
5aの周縁に放射状に配設された複数の平板棒状の板ば
ね200であったが、図3に示す皿ばね300でもよ
い。皿ばね300は、底のない皿形状をなし、適度な弾
性を得るために放射状にスリット300aが形成されて
いる。皿ばね300は、実施の形態1の板ばね200と
同様に例えばりん錆銅にて作製されている。Embodiment 2 FIG. FIG. 3 is a view of an elastic conductor showing another example of the vacuum switch of the present invention. In the first embodiment, the elastic conductor is the plurality of flat plate rod-shaped leaf springs 200 radially arranged at the periphery of the hole 5a of the movable electrode external circuit terminal 5, but the disc spring 300 shown in FIG. But it is okay. The disc spring 300 has a disc shape without a bottom, and slits 300a are radially formed to obtain appropriate elasticity. The disc spring 300 is made of, for example, phosphorous rust copper, like the leaf spring 200 of the first embodiment.
【0022】本実施の形態においては、実施の形態1の
構成において、複数の板ばね200の替わりに、弾性導
体である皿ばね300が可動電極用外部回路端子5に配
置される。皿ばね300は、皿を伏せる方向で、可動電
極用外部回路端子5の穴5aを塞ぐように周囲を固定さ
れて配設され、中央の穴に可動電極3の軸部3aを貫通
させ、内周縁を割端子6の裏面に接触させている。皿ば
ね300は、必要に応じて複数枚積み重ねて使用され
る。その他の構成および動作は、実施の形態1と同様で
ある。In the present embodiment, in the configuration of the first embodiment, instead of the plurality of leaf springs 200, a disc spring 300 which is an elastic conductor is arranged in the movable electrode external circuit terminal 5. The disc spring 300 is arranged with its periphery fixed so as to close the hole 5a of the movable electrode external circuit terminal 5 in the direction in which the dish is turned down, and the shaft portion 3a of the movable electrode 3 is penetrated through the central hole. The peripheral edge is in contact with the back surface of the split terminal 6. A plurality of disc springs 300 are stacked and used as needed. Other configurations and operations are similar to those of the first embodiment.
【0023】このような構成の真空開閉器においては、
皿ばね300が必要に応じて複数枚積み重ねて使用され
ることにより、可動電極3と固定電極2との間の接触圧
力が適切なものとされるのに容易である。また装置を大
型化することなしに容易に大きな接触圧力が得られる。In the vacuum switch having such a structure,
It is easy to make the contact pressure between the movable electrode 3 and the fixed electrode 2 appropriate by stacking a plurality of disc springs 300 as needed. Further, a large contact pressure can be easily obtained without increasing the size of the device.
【0024】実施の形態3.図4はこの発明の真空開閉
器の他の例を示す要部の正面図である。また図5は側面
図である。実施の形態1においては、弾性導体には、り
ん錆銅にて作製された平板棒状の板ばね200が使用さ
れたが、本実施の形態においては、2枚の材料が重ねて
作製された弾性導体である平板棒状の板ばね400が使
用される。板ばね400は、図4に示すように、弾性の
高い部材である板ばね材400aと、導電性の高い部材
である薄い導体400bの2枚の材料が重ねられて作製
されている。そして、板ばね400は、実施の形態1と
同様に、先端部と後端部とがそれぞれ中間部に対して、
反対方向に鈍角をもって折り曲げられている。Embodiment 3. FIG. 4 is a front view of a main part showing another example of the vacuum switch of the present invention. FIG. 5 is a side view. In the first embodiment, the flat conductor 200 made of phosphorous rust copper is used as the elastic conductor, but in the present embodiment, the elasticity made by stacking two materials is used. A flat plate bar-shaped leaf spring 400 that is a conductor is used. As shown in FIG. 4, the leaf spring 400 is made by stacking two materials, a leaf spring material 400a that is a highly elastic member and a thin conductor 400b that is a highly conductive member. Then, in the leaf spring 400, similarly to the first embodiment, the front end portion and the rear end portion are respectively different from the intermediate portion,
It is bent with an obtuse angle in the opposite direction.
【0025】板ばね400は、実施の形態1と同様に先
端部を可動電極3の中心軸方向に向けて放射状に配設さ
れている。そして、薄い導体400bが可動電極用外部
回路端子5と接続されるように、後端部を穴5aの周縁
の裏面に固定されている。そして、各板ばね400は、
実施の形態1と同様に各先端部を割端子6の裏面に当接
され、割端子6を真空スイッチ管の側である図5の上方
に付勢するように撓んだ状態で後端部を固定されてい
る。その他の構成および動作は、実施の形態1と同様で
ある。Similar to the first embodiment, the leaf springs 400 are arranged in a radial pattern with their tips directed toward the central axis of the movable electrode 3. The rear end portion is fixed to the back surface of the peripheral edge of the hole 5a so that the thin conductor 400b is connected to the movable electrode external circuit terminal 5. And each leaf spring 400 is
Similar to the first embodiment, each tip portion is brought into contact with the back surface of the split terminal 6, and the split terminal 6 is bent so as to be biased upward in FIG. Has been fixed. Other configurations and operations are similar to those of the first embodiment.
【0026】このような構成の真空開閉器においては、
板ばね400が、弾性の高い部材である板ばね材400
aと、導電性の高い部材である薄い導体400bの2枚
の材料が重ねられて作製されているので、装置を大型化
することなしに、大きな通電電流を得るとともに、大き
な接触圧力を得ることができる。In the vacuum switch having such a structure,
The leaf spring 400 is a leaf spring material 400 that is a highly elastic member.
a and a thin conductor 400b, which is a highly conductive member, are made by stacking two materials, so that a large energization current and a large contact pressure can be obtained without increasing the size of the device. You can
【0027】[0027]
【発明の効果】請求項1の真空開閉器においては、固定
電極および可動電極を有する真空スイッチ管と、固定電
極を外部回路に電気的に接続する固定電極側外部回路端
子と、可動電極を外部回路につなぐための可動電極側外
部回路端子と、可動電極と操作機構とを機械的につなぎ
かつ電気的に絶縁し、操作機構の可動電極を固定電極に
接続/離間させる動作を可動電極に伝達する絶縁ロッド
と、可動電極と可動電極側外部回路端子を電気的に接続
するとともに、可動電極を固定電極側に押圧する弾性導
体とを備えているので、接圧ばね装置を無くすことがで
き、構造の簡素化と部品点数の削減をすることができ
る。そして、装置の組立性、信頼性が向上する。また、
装置の小型化が可能で、さらにコストを低減することが
できる。In the vacuum switch according to the first aspect of the present invention, the vacuum switch tube having the fixed electrode and the movable electrode, the fixed electrode side external circuit terminal for electrically connecting the fixed electrode to the external circuit, and the movable electrode to the outside. A movable electrode side external circuit terminal for connecting to a circuit is mechanically connected and electrically insulated from the movable electrode and the operating mechanism, and an operation of connecting / disconnecting the movable electrode of the operating mechanism to / from the fixed electrode is transmitted to the movable electrode. Since the insulating rod and the elastic conductor for electrically connecting the movable electrode and the movable electrode side external circuit terminal and pressing the movable electrode to the fixed electrode side are provided, the contact pressure spring device can be eliminated, The structure can be simplified and the number of parts can be reduced. And the assembling property and reliability of the device are improved. Also,
The device can be downsized, and the cost can be further reduced.
【0028】請求項2の真空開閉器においては、弾性導
体は、複数の板ばねによって構成されているので、簡単
な構成とすることができる。In the vacuum switch according to the second aspect of the invention, since the elastic conductor is composed of a plurality of leaf springs, the structure can be made simple.
【0029】請求項3の真空開閉器においては、弾性導
体は、必要に応じて積み重ねて使用される少なくとも1
枚の皿ばねによって構成されているので、皿ばねは必要
に応じて複数枚が積み重ねられて使用され、可動電極と
固定電極との間の接触圧力が適切なものとされるのに容
易である。また容易に大きな接触圧力が得られる。In the vacuum switch according to a third aspect of the present invention, at least one elastic conductor is used by stacking it as needed.
Since it is composed of one disc spring, the disc springs can be used by stacking a plurality of disc springs as needed, and it is easy to make the contact pressure between the movable electrode and the fixed electrode appropriate. . Also, a large contact pressure can be easily obtained.
【0030】請求項4の真空開閉器においては、弾性導
体は導電性の高い部材と弾性の高い部材を重ねて作製さ
れているので、大きな通電電流を得るとともに大きな接
触圧力を得ることができる。In the vacuum switch of the fourth aspect, since the elastic conductor is made by stacking a highly conductive member and a highly elastic member, a large energizing current and a large contact pressure can be obtained.
【図1】 この発明の真空開閉器の閉極状態を示す一部
を断面とした側面図である。FIG. 1 is a side view, partly in section, showing a closed state of a vacuum switch according to the present invention.
【図2】 図1のII−II線に沿う矢視断面図である。FIG. 2 is a sectional view taken along the line II-II in FIG.
【図3】 この発明の真空開閉器の他の例を示す弾性導
体の図である。FIG. 3 is a view of an elastic conductor showing another example of the vacuum switch of the present invention.
【図4】 この発明の真空開閉器の他の例を示す要部の
正面図である。FIG. 4 is a front view of a main part showing another example of the vacuum switch according to the present invention.
【図5】 この発明の真空開閉器の他の例を示す要部の
側面図である。FIG. 5 is a side view of essential parts showing another example of the vacuum switch of the present invention.
【図6】 従来の真空開閉器のの閉極状態を示す側面図
である。FIG. 6 is a side view showing a closed state of a conventional vacuum switch.
1 真空スイッチ管、2 固定電極、3 可動電極、4
固定電極側外部回路端子、5 可動電極側外部回路端
子、8 絶縁ロッド、200 板ばね(弾性導体)、3
00 皿ばね(弾性導体)、400 板ばね(弾性導
体)、400a板ばね材(弾性の高い部材)、400b
薄い導体(導電性の高い部材)。1 vacuum switch tube, 2 fixed electrode, 3 movable electrode, 4
Fixed electrode side external circuit terminal, 5 movable electrode side external circuit terminal, 8 insulating rod, 200 leaf spring (elastic conductor), 3
00 disc spring (elastic conductor), 400 leaf spring (elastic conductor), 400a leaf spring material (highly elastic member), 400b
Thin conductor (highly conductive material).
Claims (4)
イッチ管と、 上記固定電極を外部回路に電気的に接続する固定電極側
外部回路端子と、 上記可動電極を外部回路につなぐための可動電極側外部
回路端子と、 上記可動電極と操作機構とを機械的につなぎかつ電気的
に絶縁し、該操作機構の該可動電極を上記固定電極に接
続/離間させる動作を該可動電極に伝達する絶縁ロッド
と、 上記可動電極と可動電極側外部回路端子を電気的に接続
するとともに、該可動電極を上記固定電極側に押圧する
弾性導体とを備えた真空開閉器。1. A vacuum switch tube having a fixed electrode and a movable electrode, a fixed electrode side external circuit terminal for electrically connecting the fixed electrode to an external circuit, and a movable electrode side for connecting the movable electrode to an external circuit. An insulating rod that mechanically connects and electrically insulates the external circuit terminal, the movable electrode and the operating mechanism, and transmits to the movable electrode an operation of connecting / separating the movable electrode of the operating mechanism to / from the fixed electrode. And a resilient switch that electrically connects the movable electrode and the movable electrode side external circuit terminal and presses the movable electrode toward the fixed electrode side.
構成されている請求項1記載の真空開閉器。2. The vacuum switch according to claim 1, wherein the elastic conductor is composed of a plurality of leaf springs.
て使用される少なくとも1枚の皿ばねによって構成され
ている請求項1記載の真空開閉器。3. The vacuum switch according to claim 1, wherein the elastic conductor is composed of at least one disc spring which is stacked and used as necessary.
の高い部材を重ねて作製されている請求項1乃至請求項
3のいずれかに記載の真空開閉器。4. The vacuum switch according to claim 1, wherein the elastic conductor is made by stacking a highly conductive member and a highly elastic member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11096196A JPH09298023A (en) | 1996-05-01 | 1996-05-01 | Vacuum switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11096196A JPH09298023A (en) | 1996-05-01 | 1996-05-01 | Vacuum switch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09298023A true JPH09298023A (en) | 1997-11-18 |
Family
ID=14548912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11096196A Pending JPH09298023A (en) | 1996-05-01 | 1996-05-01 | Vacuum switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH09298023A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004049366A1 (en) * | 2002-11-28 | 2004-06-10 | Mitsubishi Denki Kabushiki Kaisha | Vacuum valve unit |
WO2005088663A1 (en) * | 2004-03-10 | 2005-09-22 | Japan Ae Power Systems Corporation | Electric connection device |
GB2527800A (en) * | 2014-07-02 | 2016-01-06 | Eaton Ind Netherlands Bv | Circuit breaker |
WO2018202816A1 (en) * | 2017-05-03 | 2018-11-08 | Tavrida Electric Holding Ag | Improved vacuum circuit breaker |
-
1996
- 1996-05-01 JP JP11096196A patent/JPH09298023A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004049366A1 (en) * | 2002-11-28 | 2004-06-10 | Mitsubishi Denki Kabushiki Kaisha | Vacuum valve unit |
WO2005088663A1 (en) * | 2004-03-10 | 2005-09-22 | Japan Ae Power Systems Corporation | Electric connection device |
GB2527800A (en) * | 2014-07-02 | 2016-01-06 | Eaton Ind Netherlands Bv | Circuit breaker |
WO2018202816A1 (en) * | 2017-05-03 | 2018-11-08 | Tavrida Electric Holding Ag | Improved vacuum circuit breaker |
CN110582826A (en) * | 2017-05-03 | 2019-12-17 | 特瑞德电气控股有限公司 | Improved vacuum circuit breaker |
US11056299B2 (en) | 2017-05-03 | 2021-07-06 | Tavrida Electric Holding Ag | Vacuum circuit breaker |
CN110582826B (en) * | 2017-05-03 | 2022-05-24 | 特瑞德电气控股有限公司 | Improved vacuum circuit breaker |
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