JPS62200619A - Power switchgear - Google Patents
Power switchgearInfo
- Publication number
- JPS62200619A JPS62200619A JP4117086A JP4117086A JPS62200619A JP S62200619 A JPS62200619 A JP S62200619A JP 4117086 A JP4117086 A JP 4117086A JP 4117086 A JP4117086 A JP 4117086A JP S62200619 A JPS62200619 A JP S62200619A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- arc
- fixed contact
- power switch
- metal arc
- 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
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- WCCJDBZJUYKDBF-UHFFFAOYSA-N copper silicon Chemical compound [Si].[Cu] WCCJDBZJUYKDBF-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (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】
Ｊ３・ 発明の名称
〔産業上の利用分野〕
この発明は電力開閉を行う電力開閉器、特にその金灰消
弧板の改良に関するものである。[Detailed Description of the Invention] J3. Title of the Invention [Field of Industrial Application] This invention relates to a power switch that switches on and off power, and particularly to an improvement of its gold ash arc-extinguishing plate.
電力開閉器は、電磁接触器や配線用遮断器として広く用
いられている。Power switches are widely used as electromagnetic contactors and molded circuit breakers.
第３図は例えば実開昭５７−１９２６４７号公報に示さ
れた従来周知の電磁接触器を示しており、この電磁接触
器は左右対称であるから右側断面のみを示す。FIG. 3 shows a conventionally known electromagnetic contactor disclosed in, for example, Japanese Utility Model Application No. 57-192647, and since this electromagnetic contactor is bilaterally symmetrical, only the right cross section is shown.
同図において、（１）はプラスチック等で形成された取
付台、（２）はこの取付台上にケイ素鋼板で積層された
固定鉄心、（３）は固定鉄心（２）に対抗配置されこれ
と同じくケイ素銅板で積層された可動鉄心。In the figure, (1) is a mounting base made of plastic, etc., (2) is a fixed core laminated with silicon steel plates on this mounting base, and (3) is a fixed core placed opposite to the fixed core (2). The movable iron core is also laminated with silicon copper plates.
（４）は可動鉄心（３）と固定鉄心（２）とを引き外し
バネ（図示省略）に抗して吸着させる品動力を付与する
操作コイル、（５）はプラスチックで形成され、角窓を
有するクロスバ−で、七の下Ｑｉｉには５］ｖＪ鉄心（
３）が保持されている。（６）は上跡クロスバ−（５）
の角窓に挿入されて押しバネ（７）により保持されてい
る可動接触子、 （６ａ）は可動接触子（６）に設けら
れた可動接点、（８）は上記可動接触子（６）と対向し
て設けられ、ｉ！流の通電を行う固定接触子、 （８ａ
）はこの固定接触子（８）に設けられた固定接点、 （
８ｂ）は同じくこの固定接触子（８）の端子部を示す。(4) is an operating coil that provides force to attract the movable core (3) and fixed core (2) against a spring (not shown); (5) is made of plastic; With a crossbar having 7 lower Qii, 5] vJ iron core (
3) is maintained. (6) is the top crossbar (5)
(6a) is a movable contact provided on the movable contact (6), (8) is the movable contact (6) and is held by a push spring (7). Located opposite to each other, i! Fixed contact for energizing current, (8a
) is the fixed contact provided on this fixed contact (8), (
8b) also shows the terminal portion of this fixed contactor (8).
（９）は電磁接触子本体を外部回路と接続するための端
子ねじ、（ＩＩは固定接触子（８）を取付けるベース、
ａυは電磁接触器上面を覆うカバーでその内部には固定
接点（８ａ）と可動接点（６ａ）との間に生じるアーク
α２を消弧するだめの磁性体の金属消弧板０を設けてお
り、この金属消弧板０は図より明らかなように、可動接
触子と対向させ固定接触子（８）上方にこれと平行して
かつ互いに所定間隔を隔てて累積併設されている。(9) is a terminal screw for connecting the electromagnetic contact body to an external circuit; (II is a base for attaching the fixed contact (8);
aυ is a cover that covers the top surface of the electromagnetic contactor, and inside it is a magnetic metal arc extinguishing plate 0 that extinguishes the arc α2 that occurs between the fixed contact (8a) and the movable contact (6a). As is clear from the figure, the metal arc-extinguishing plates 0 are stacked and placed above the fixed contact (8), facing the movable contact, parallel to the movable contact, and spaced apart from each other by a predetermined distance.
従来の電力開閉器は以上のような構成を有し以下にその
作用について説明する。The conventional power switch has the above-mentioned configuration, and its operation will be explained below.
第３図に示す電磁接触器において、操作コイル（４）を
消磁すると９図示を省略した引外しばねにより可動鉄心
（３）が同定鉄心（２）より開離し、クロスバ−（５）
も同図に示す上位を占め、固定接点（８ａ）と可動接点
（６ａ）とが開離して固定接点（８ａ）と可動接点（６
ａ）との１ｈ】にアーク（１２が生じるが、このアーク
α２には第４図の要部側面図に示されるように金属消弧
板ａ３に吸引され、アーク（１２ａ）のように引き伸さ
れ、最終的にはアーク（１２ｂ）のようになり、金属消
弧板ａ３により消弧され、を流が遮断される。In the electromagnetic contactor shown in Fig. 3, when the operating coil (4) is demagnetized, the movable iron core (3) is separated from the identification iron core (2) by a tripping spring 9 (not shown), and the crossbar (5)
The fixed contact (8a) and the movable contact (6a) are separated from each other, and the fixed contact (8a) and the movable contact (6a) are separated from each other.
An arc (12) is generated at 1h] between a) and this arc α2, as shown in the side view of the main part in Fig. Eventually, it becomes an arc (12b), which is extinguished by the metal arc-extinguishing plate a3, and the flow is interrupted.
従来の′α電力開閉器以上のように構成されて動作する
のであるが、限流性能が劣るため、遮断性能が劣るとい
う問題点があった。Although it is configured and operates in a manner better than that of the conventional 'α power switch, it has a problem in that its current limiting performance is inferior and its interrupting performance is inferior.
この発明は上記のような問題点を解消するためになされ
たもので、遮断性能が優れた電力開閉器を得ることを目
的とする。This invention was made to solve the above-mentioned problems, and an object thereof is to obtain a power switch with excellent interrupting performance.
この発明の電力開閉器は、固定接触子に接合された固定
接点と、この固定接点に対向配置され可動接触子に接合
された可動接点と、上記両接点間に生じるアークを吸引
して消弧する。抵抗板と磁性板とを組みあわせた多層構
造よりなる金属消弧板を備えたものである。The power switch of the present invention includes a fixed contact joined to a fixed contact, a movable contact arranged opposite to the fixed contact and joined to a movable contact, and an arc generated between the two contacts to be extinguished by attracting the arc. do. It is equipped with a metal arc-extinguishing plate that has a multilayer structure that combines a resistive plate and a magnetic plate.
この発明における金属消弧板が有する抵抗板は遮断時に
おける端子間の抵抗を大きくすることにより電流を少な
くシ、限流性能を高めるので、！断性能が向上できる。The resistance plate included in the metal arc extinguishing plate of this invention reduces the current by increasing the resistance between the terminals at the time of interruption, and improves the current limiting performance! Breaking performance can be improved.
以下、この発明の一実施例を図について説明する。第１
図はこの発明の一実施例の電磁接触器を示す要部側面図
で、従来例と類似しているので。An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure is a side view of the main parts of an electromagnetic contactor according to an embodiment of the present invention, which is similar to a conventional example.
その相違点を中心に説明する。図において、峙は金属消
弧板で、抵抗板（１３ａ）の両側に磁性板（１５ｂ）が
設けられた三層構造になっている。なお、抵抗板（１３
ａ）としてはＮｔｃｒ ｓカーボン等が用いられ・この
場合はＮｉＣｒを用いた。ｔ７Ｔｈ磁性板（１３ｂ）と
してはＦｅ 、旧などが用いられこの場合はＰｅを用い
た。I will mainly explain the differences. In the figure, the counter is a metal arc-extinguishing plate, and has a three-layer structure in which magnetic plates (15b) are provided on both sides of a resistance plate (13a). In addition, the resistance plate (13
As a), Ntcr s carbon or the like is used; in this case, NiCr is used. As the t7Th magnetic plate (13b), Fe, old, etc. were used, and in this case, Pe was used.
可動傍点（６ａ）と固定接点（８ａ）の間に生じたアー
クａｚは金属消弧板αｊの磁性板（１５ａ）に吸引され
て（１２ａ）の状態を経’ｔ 、 （１２ｂ）のように
なる。The arc az generated between the movable point (6a) and the fixed contact (8a) is attracted by the magnetic plate (15a) of the metal arc-extinguishing plate αj and passes through the state of (12a) as shown in (12b). Become.
アーク（Ｉ７Ｊが（１２ｈ）のようになると、アーク（
１２ｂ）は金属消弧板（１３の磁性板（１３ｂ）によっ
て冷却されるだけでなく、金属消弧板α３内の抵抗板（
１５ａ）によって限流される。従って、第３図に示す従
来の電力開閉器の場合におけるよりも、アークエネルギ
を低減できるので、遮断性能を高めることができる。When the arc (I7J becomes (12h), the arc (
12b) is not only cooled by the magnetic plate (13b) of the metal arc-extinguishing plate (13), but also the resistance plate (12b) inside the metal arc-extinguishing plate α3
15a). Therefore, the arc energy can be reduced more than in the case of the conventional power switch shown in FIG. 3, and the breaking performance can be improved.
第２図はこの発明を配線用遮断器に適用した場合の他の
実施例を示す要部側面図である。図において、ａ４は回
転軸で、可動接触子（６）はこの回転軸α４を中心に回
転運動する。ａ９は可動接触子（６１と端子を接続する
フレキシブル導体で、可動接触子（６）は図示しない操
作機構により開極される。FIG. 2 is a side view of main parts showing another embodiment in which the present invention is applied to a molded circuit breaker. In the figure, a4 is a rotation axis, and the movable contactor (6) rotates around this rotation axis α4. A9 is a flexible conductor that connects the movable contactor (61) and the terminal, and the movable contactor (6) is opened by an operation mechanism (not shown).
なお、上記実施例では、金属消弧板員として抵抗板（１
５ａ）の両側に磁性板（１３ｂ） ％設けた三層構造の
ものを示したが、抵抗板（１５ａ）と磁性板（１３ｂ）
を組み合わせたものであれば二層構造でも良く、さらに
多層かつ各桟の組み合わせのものでも同様の効果を奏す
る。In addition, in the above embodiment, a resistance plate (1
A three-layer structure with magnetic plates (13b) provided on both sides of the resistor plate (15a) and magnetic plate (13b) is shown.
A two-layer structure may be used as long as it is a combination of the two, and a structure with multiple layers and a combination of each crosspiece will produce the same effect.
以上のように、この発明によれば固定接触子に接合され
た固定接点と、この固定接点に対向配置され可動接触子
に接合された可動接点と、上記両接点間に生じるアーク
を吸引して消弧する。抵抗板と磁性板とを組みあわせた
多層構造よりなる金属消弧板を備えたものにすることに
より、限流性能を高められるので、遮断性能が向上した
電力開閉器が得られる効果がある。As described above, according to the present invention, a fixed contact joined to a fixed contact, a movable contact arranged opposite to this fixed contact and joined to a movable contact, and an arc generated between the two contacts are sucked. Extinguish the arc. By providing a metal arc-extinguishing plate with a multilayer structure consisting of a combination of a resistive plate and a magnetic plate, the current-limiting performance can be improved, which has the effect of providing a power switch with improved interrupting performance.
第１図はこの発明の一実施例の電磁接触器を示す要部側
面図、第２図はこの発明の他の実施例の配線用遮断器を
示す要部側面図、第３図は従来の電力開閉器を示す部分
断面図、第４図は従来例の要部側面図である。
（６）・・・可動接触子、 （６ａ）・・・可動接点、
（８）・・・固定接触子、 （８ａ）・・・固定接点、
Ｑニド・・金属消弧板で抵抗板（１３ａ ）と磁性板（
１３ｂ）との多層構造からなる。
なお図中、同一符号は同−又は相当部分を示す。FIG. 1 is a side view of a main part showing an electromagnetic contactor according to an embodiment of the present invention, FIG. 2 is a side view of a main part showing a molded case circuit breaker according to another embodiment of the invention, and FIG. FIG. 4 is a partial sectional view showing the power switch, and a side view of the main part of the conventional example. (6)...Movable contact, (6a)...Movable contact,
(8)... Fixed contact, (8a)... Fixed contact,
Q Nido...A metal arc-extinguishing plate with a resistance plate (13a) and a magnetic plate (
13b). In the drawings, the same reference numerals indicate the same or equivalent parts.
Claims (4)
点に対向配置され可動接触子に接合された可動接点と、
上記両接点間に生じるアークを吸引して消弧する、抵抗
板と磁性板とを組みあわせた多層構造よりなる金属消弧
板を備えた電力開閉器。(1) A fixed contact joined to a fixed contact, a movable contact arranged opposite to this fixed contact and joined to a movable contact,
A power switch equipped with a metal arc-extinguishing plate made of a multilayer structure combining a resistive plate and a magnetic plate, which attracts and extinguishes the arc generated between the two contacts.
項記載の電力開閉器。(2) The metal arc-extinguishing plate has a two-layer structure.Claim 1
Power switch mentioned in section.
項記載の電力開閉器。(3) The metal arc-extinguishing plate has a three-layer structure.Claim 1
Power switch mentioned in section.
構造である特許請求の範囲第３項記載の電力開閉器。(4) The power switch according to claim 3, wherein the metal arc-extinguishing plate has a three-layer structure in which magnetic plates are provided on both sides of the resistance plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4117086A JPS62200619A (en) | 1986-02-26 | 1986-02-26 | Power switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4117086A JPS62200619A (en) | 1986-02-26 | 1986-02-26 | Power switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62200619A true JPS62200619A (en) | 1987-09-04 |
Family
ID=12600948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4117086A Pending JPS62200619A (en) | 1986-02-26 | 1986-02-26 | Power switchgear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62200619A (en) |
-
1986
- 1986-02-26 JP JP4117086A patent/JPS62200619A/en active Pending
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