JPS5929940B2 - Circuit breaker arc extinguishing device - Google Patents
Circuit breaker arc extinguishing deviceInfo
- Publication number
- JPS5929940B2 JPS5929940B2 JP1018277A JP1018277A JPS5929940B2 JP S5929940 B2 JPS5929940 B2 JP S5929940B2 JP 1018277 A JP1018277 A JP 1018277A JP 1018277 A JP1018277 A JP 1018277A JP S5929940 B2 JPS5929940 B2 JP S5929940B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed contact
- contact
- fixed
- plate
- tip
- 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
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000002242 deionisation method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Breakers (AREA)
Description
【発明の詳細な説明】
本発明は回路遮断器の消弧装置に関するものでアークを
速やかに消弧することを目的とするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an arc extinguishing device for a circuit breaker, and its purpose is to quickly extinguish arcs.
以下本発明の実施例を図面について説明すると１はケー
ス、２はケース１内に配設する固定接点板で、その中間
部内側面には固定接点３が固定され、固定接点板２の固
定接点３より先端側の内側面にリブ４が突出されて、リ
ブ４の巾と高さは固定接点板２０基端側から先端側へ向
うにつれて漸次小さくなるようになされ、且つリブ４の
基端端面は固定接点板２の先端側に対応する固定接点３
の側ＵｋＪＫ当接され、リブ４の基端表面は固定接点３
の接触面と而−になるようになされる。Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a case, 2 a fixed contact plate disposed inside the case 1, a fixed contact 3 is fixed to the inner surface of the intermediate part, and a fixed contact 3 of the fixed contact plate 2 is fixed. The rib 4 is projected from the inner surface closer to the distal end, and the width and height of the rib 4 are made to gradually become smaller from the proximal end of the fixed contact plate 20 toward the distal end, and the proximal end surface of the rib 4 is Fixed contact 3 corresponding to the tip side of the fixed contact plate 2
The side UkJK is in contact with the base end surface of the rib 4, and the fixed contact 3
It is made to be in contact with the contact surface.
５は固定接点板２の先端部に対向するようケース１内に
配設するアークホーン、６は固定接点板２の先端部とア
ークホーン５間に配設するディアイオン装置で、先端に
切欠部７を有する複数個のデアイオングリッド８０両側
を保持板９に装着して空隙を置いて積み重ねてなる。Reference numeral 5 denotes an arc horn disposed inside the case 1 to face the tip of the fixed contact plate 2, and 6 denotes a di-ion device disposed between the tip of the fixed contact plate 2 and the arc horn 5, with a notch at the tip. A plurality of de-ion grids 80 having a diameter of 7 are attached on both sides to a holding plate 9 and stacked with a gap left therebetween.
１０はケース１内に固定する取付枠１１の突起１１ａに
基端の細長孔１０ａを遊嵌することにより基端がケース
１に対して枢支される可動接触子で、その先端の接触部
１０ｂは前Ｓ己固定接点３に接離するよう対向され、固
定接点３と接触部１０ｂとの開成時、可動接触子１０の
先端部は前記アークホーン５の基端部に当接するように
なされる。Reference numeral 10 denotes a movable contact whose base end is pivotally supported with respect to the case 1 by loosely fitting the elongated hole 10a of the base end into the protrusion 11a of the mounting frame 11 fixed in the case 1, and the contact portion 10b at the tip thereof. The front S faces the fixed contact 3 so as to move toward and away from it, and when the fixed contact 3 and the contact portion 10b are opened, the tip end of the movable contact 10 comes into contact with the base end of the arc horn 5. .
１２は開閉リンク機構で、取付枠１に中間部を軸承する
・・ンドル１３の下端に一端を枢支した連結杆１４の他
端と前記可動接触子１０の中間部に一端を枢支した。Reference numeral 12 denotes an opening/closing link mechanism, whose intermediate portion is supported on the mounting frame 1.One end is pivotally supported on the other end of the connecting rod 14, which has one end pivotally supported on the lower end of the handle 13, and the intermediate portion of the movable contact 10.
駆動杆１５の他端とを軸１６に枢支し、且つ取付枠１１
に軸承するラッチ板１７の摺動細長孔１７ａに前記軸１
６を摺動するよう挿入し、更に、取付枠１１に枢支する
ランチ列外し片１８に前記ラッチ板１７を係止してなる
。The other end of the drive rod 15 is pivotally supported on the shaft 16, and the mounting frame 11
The shaft 1 is inserted into the sliding elongated hole 17a of the latch plate 17 which is supported on the shaft 1.
6 is slidably inserted, and furthermore, the latch plate 17 is locked to a launch row removal piece 18 that is pivotally supported on the mounting frame 11.
そして、・・ンドル１３には核ノ・ンドルを時計方向に
回動・するように作用するバネ（図示せず）が弾装され
る。Then, the nuclear nozzle 13 is loaded with a spring (not shown) that acts to rotate the nuclear nozzle clockwise.
１９はケース１に固定する端子板２０に基端を固定した
バイメタルで、その自由端は前記ラッチ列外し片１８に
対向される。Reference numeral 19 denotes a bimetal whose base end is fixed to a terminal plate 20 fixed to the case 1, and its free end faces the latch row removal piece 18.
２１はヨーク２２とυ工動杆２３とコイル２４とよりな
る短絡電流検出装置で、ケース１内に配設固定さｆｔ、
、コイル２４は前記固定接点板２の基端とケース１に固
定する端子板２５間に接続され、駆動杆２３の先端は前
ｄ已うンチ列外し片１８に対向される。21 is a short-circuit current detection device consisting of a yoke 22, a moving rod 23, and a coil 24, and is fixed inside the case 1.
, the coil 24 is connected between the base end of the fixed contact plate 2 and the terminal plate 25 fixed to the case 1, and the tip of the drive rod 23 is opposed to the punch line removal piece 18 extending d across the front.
２６は可動接触子１０の細長孔１０ａと可動接触子１０
の、駆動杆１５との枢支部間の中間部と取付枠１１間に
圧縮弾装する接触バネ、２７はバイメタル１９の自由端
と可動接触子１０間に両端を接触する可撓性のリード線
、２８は可動接触子１０と前記アークホーン５０基端と
に両端を接続するリード線である。26 indicates the elongated hole 10a of the movable contact 10 and the movable contact 10
A contact spring 27 is compressed and elastically mounted between the intermediate portion between the pivot portion with the driving rod 15 and the mounting frame 11, and 27 is a flexible lead wire whose both ends are in contact between the free end of the bimetal 19 and the movable contact 10. , 28 are lead wires that connect both ends to the movable contactor 10 and the base end of the arc horn 50.
本発明は上記のような構成で、第１図において、・・ン
ドル１３を反時計方向に回動すると、軸１６が摺動細長
孔１７ａを矢印Ｐ方向に移動し、可動接触子１０の接触
部１０ｂと固定接点３とは開成する。The present invention has the above-described configuration, and as shown in FIG. The portion 10b and the fixed contact 3 are opened.
次に、第１図において、端子板２０、バイメタル１９、
リード線２７、可動接触子１０、接触部１０ａ、固定接
点３、固定接点板２、コイル２４、端子板２５からなる
電流通路に一定以上の過電流が流れることにより、バイ
メタル１９０自由端が焼んで、ラッチ板１７がランチ列
外し片１８より外れた、或は前記電流通路に短絡電流が
流れることにより短絡電流検出装置２１の可動杆２３が
移動してラッチ板１７がランチ列外し板１８より外れた
とき、前記ランチ板１７はその軸承部を中心に反時計方
向に接触バネ２６のバネ力によって回動し、且つ可動接
触子１０の接触部１０ｂと固定接点３とは開成するもの
である。Next, in FIG. 1, the terminal plate 20, the bimetal 19,
The free end of the bimetal 190 burns when an overcurrent exceeding a certain level flows through the current path consisting of the lead wire 27, the movable contact 10, the contact portion 10a, the fixed contact 3, the fixed contact plate 2, the coil 24, and the terminal plate 25. , when the latch plate 17 comes off from the launch row removal piece 18, or when a short circuit current flows through the current path, the movable rod 23 of the short circuit current detection device 21 moves and the latch plate 17 comes off from the launch row removal plate 18. At this time, the launch plate 17 is rotated counterclockwise about its bearing portion by the spring force of the contact spring 26, and the contact portion 10b of the movable contact 10 and the fixed contact 3 are opened.
５ａはアークホーン５の先端内面に形成せるリブで、そ
の高さと巾はアークホーン５の先端側から基端側に向う
につれ漸次小さくなるようになされる。Reference numeral 5a denotes a rib formed on the inner surface of the tip end of the arc horn 5, and its height and width are made to gradually become smaller from the tip side to the base end side of the arc horn 5.
そして、第１図において、接触部１０ａと固定接点３と
を開成して短絡電流を遮断して、接触部１０ａと固定接
点３間のアークを可動接触子１０と固定接点板２に流れ
る電流の作る磁界によってデアイオン装置６側へ移動１
駆動され、そして、アークがアークホーン５と固定接点
板２間に移り、且つ、アークがアークホーン５と固定接
点板２に流れる電流の作る磁界によって更にデアイオン
装置６側に移動、駆動されるとき、固定接点板２の固定
接点３より先端側の内向にはリブ４が突設されていてリ
ブ４の基端表面は固定接点３の接触面と而−であるので
、固定接点と接触部間に生じたアークは頗る速やかにデ
アイオン装置側へ移動駆動されるようになり、且つアー
クはリブの表面に沿ってデアイオン装置側へ移動駆動さ
れるため、アークはデアイオン装置の各デアイオングリ
ッドの切欠部よりデアイオン装置内に入るため、アーク
は頗る速やかにデアイオン装置内に入るようになり、ア
ークは速やかに消弧されるようになる効果がある。In FIG. 1, the contact portion 10a and the fixed contact 3 are opened to interrupt the short circuit current, and the arc between the contact portion 10a and the fixed contact 3 is changed to the current flowing through the movable contact 10 and the fixed contact plate 2. Move to the deionization device 6 side by the created magnetic field 1
When the arc is moved between the arc horn 5 and the fixed contact plate 2, and the arc is further moved and driven toward the deionization device 6 by the magnetic field created by the current flowing through the arc horn 5 and the fixed contact plate 2. , a rib 4 is provided protruding inwardly on the distal side of the fixed contact 3 of the fixed contact plate 2, and the proximal surface of the rib 4 is the contact surface of the fixed contact 3, so that there is no contact between the fixed contact and the contact part. The arc generated at Since the arc enters the deionization device more quickly, the arc enters the deionization device very quickly, and the arc is quickly extinguished.
図面は本発明の実施例を示すもので、第１図は断面図、
第２図は固定接点板の斜視図である。
１はケース、２は固定接点板、３は固定接点、４はリブ
、５はアークホーン、６はデアイオン装置、１０は可動
接触子、１０ｂは接触部、１１は取付枠、１２は開閉リ
ンク機構である。The drawings show an embodiment of the present invention, and FIG. 1 is a sectional view;
FIG. 2 is a perspective view of the fixed contact plate. 1 is a case, 2 is a fixed contact plate, 3 is a fixed contact, 4 is a rib, 5 is an arc horn, 6 is a de-ion device, 10 is a movable contact, 10b is a contact part, 11 is a mounting frame, 12 is an opening/closing link mechanism It is.
Claims (1)
ース内に配設し、上記固定嬢点板の先端部内面に対向す
るアークホーンをケース内に配設し、且つ固定接点板の
先端部とアークホーン間にディアイオン装置を配設し、
基部をケースに対して枢支する可動接触子の先端の接触
部を前記固定接点に接離するよう対向し、固定接点板の
固定接点より先端側にリブを突設してリブの巾と高さを
固定接点板の基端側より先端側に向うにつれ漸次小さく
し、且つリブの基端表面を前記固定接点の接触面と而−
にしたことを特徴とする回路遮断器の消弧装置。1. A fixed contact plate with a fixed contact fixed to the inner surface of the intermediate portion is disposed in the case, an arc horn facing the inner surface of the tip of the fixed contact plate is disposed in the case, and the tip of the fixed contact plate is disposed in the case. A De-ion device is installed between the and arc horn,
The contact portion at the tip of the movable contact whose base is pivotally supported relative to the case faces the fixed contact so as to be in contact with and away from the fixed contact, and a rib is provided protruding from the fixed contact on the tip side of the fixed contact plate to determine the width and height of the rib. The length of the fixed contact plate is gradually decreased from the base end toward the distal end, and the base end surface of the rib is made to be the contact surface of the fixed contact.
An arc extinguishing device for a circuit breaker, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1018277A JPS5929940B2 (en) | 1977-01-31 | 1977-01-31 | Circuit breaker arc extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1018277A JPS5929940B2 (en) | 1977-01-31 | 1977-01-31 | Circuit breaker arc extinguishing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5395277A JPS5395277A (en) | 1978-08-21 |
| JPS5929940B2 true JPS5929940B2 (en) | 1984-07-24 |
Family
ID=11743137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1018277A Expired JPS5929940B2 (en) | 1977-01-31 | 1977-01-31 | Circuit breaker arc extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5929940B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019069458A1 (en) | 2017-10-06 | 2019-04-11 | 株式会社 東芝 | Hybrid vehicle |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5798941A (en) * | 1980-12-09 | 1982-06-19 | Mitsubishi Electric Corp | Circuit breaker |
| JPS5810352U (en) * | 1981-07-13 | 1983-01-22 | 三菱電機株式会社 | circuit break |
| JPS5814651U (en) * | 1981-07-21 | 1983-01-29 | 三菱電機株式会社 | circuit break |
| JPS5830262U (en) * | 1981-08-25 | 1983-02-26 | 三菱電機株式会社 | circuit break |
| JPS5823148U (en) * | 1981-08-06 | 1983-02-14 | 三菱電機株式会社 | circuit break |
| JPS5826429A (en) * | 1981-08-07 | 1983-02-16 | 三菱電機株式会社 | Circuit breaker |
| JPS5830255U (en) * | 1981-08-24 | 1983-02-26 | 三菱電機株式会社 | circuit break |
| JPS5830256U (en) * | 1981-08-24 | 1983-02-26 | 三菱電機株式会社 | circuit break |
| JPS5830257U (en) * | 1981-08-25 | 1983-02-26 | 三菱電機株式会社 | circuit break |
| JPS5830261U (en) * | 1981-08-25 | 1983-02-26 | 三菱電機株式会社 | circuit break |
| JPS5830260U (en) * | 1981-08-25 | 1983-02-26 | 三菱電機株式会社 | circuit break |
| JPS5975516A (en) * | 1982-10-22 | 1984-04-28 | 三菱電機株式会社 | Switch |
| JP2537486B2 (en) * | 1985-07-24 | 1996-09-25 | 松下電工株式会社 | Remote control type circuit breaker |
| KR910000071B1 (en) * | 1986-05-30 | 1991-01-19 | 미츠비시 덴키 가부시키가이샤 | switch |
| JP2014216078A (en) * | 2013-04-23 | 2014-11-17 | 東洋電機製造株式会社 | Circuit breaker |
-
1977
- 1977-01-31 JP JP1018277A patent/JPS5929940B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019069458A1 (en) | 2017-10-06 | 2019-04-11 | 株式会社 東芝 | Hybrid vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5395277A (en) | 1978-08-21 |
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