JPH0523388U - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- JPH0523388U JPH0523388U JP3899091U JP3899091U JPH0523388U JP H0523388 U JPH0523388 U JP H0523388U JP 3899091 U JP3899091 U JP 3899091U JP 3899091 U JP3899091 U JP 3899091U JP H0523388 U JPH0523388 U JP H0523388U
- Authority
- JP
- Japan
- Prior art keywords
- extinguishing device
- arc extinguishing
- dust barrier
- arc
- circuit breaker
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
- H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve
Abstract
(57)【要約】
【目的】 回路遮断器の消弧装置のアークガス排出用の
排気孔を閉塞するダストバリヤを自動機により消弧装置
とともにベースに組み込めるようにすること。
【構成】 消弧装置４の保持枠６に孔又は突起からある
係合部９を設けておき、ダストバリヤ８をこれらの係合
部９に係合させて消弧装置４と一体化しておく。これに
よりダストバリヤ８を消弧装置４と同時に自動機によっ
て組み込むことができるようになる。
(57) [Abstract] [Purpose] To enable an automatic machine to incorporate a dust barrier that blocks an exhaust hole for discharging arc gas of an arc extinguishing device of a circuit breaker together with an arc extinguishing device into a base. [Structure] The holding frame 6 of the arc extinguishing device 4 is provided with engaging portions 9 formed of holes or protrusions, and the dust barrier 8 is engaged with these engaging portions 9 to be integrated with the arc extinguishing device 4. This allows the dust barrier 8 to be installed simultaneously with the arc extinguishing device 4 by an automatic machine.
Description
【０００１】[0001]
本考案は消弧装置の排気孔の外側にダストバリヤを取り付けた回路遮断器の改 良に関するものである。 The present invention relates to an improvement of a circuit breaker in which a dust barrier is attached to the outside of an exhaust hole of an arc extinguishing device.
【０００２】[0002]
回路遮断器には回路が遮断される際に発生するアークを消弧させるための消弧 装置が組み込まれており、この消弧装置にはアークガスを排出させるための排気 孔が形成されている。ところがこの排気孔を通じて外部から電線くず、ごみ等の 異物が回路遮断器の内部に侵入するおそれがあるため、実開昭６０−７５９４４ 号公報に示されるように消弧装置の外側に軟質の絶縁板からなるダストバリヤを 取り付ける工夫がなされている。 ところが従来の回路遮断器では、消弧装置をベースに組み込んだ後にこのよう なダストバリヤを組み込む構造となっており、ダストバリヤはアークガスにより 撓むことのできる軟質の薄い材料からなるものであることもあって、自動機によ る組み込みが不可能であった。 The circuit breaker incorporates an arc extinguishing device for extinguishing the arc generated when the circuit is interrupted, and this arc extinguishing device has an exhaust hole for discharging arc gas. However, since foreign matter such as electric wire scraps and dust may enter the inside of the circuit breaker through the exhaust hole, a soft insulation is provided on the outside of the arc extinguishing device as shown in Japanese Utility Model Laid-Open No. 60-75944. The device is designed to attach a dust barrier made of plates. However, the conventional circuit breaker has a structure in which such a dust barrier is installed after the arc extinguishing device is installed in the base, and the dust barrier may be made of a soft thin material that can be bent by the arc gas. As a result, it was not possible to incorporate it with an automatic machine.
【０００３】[0003]
本考案はこのような従来の欠点を解決して、ダストバリヤを消弧装置と同時に 自動機によりベースに組み込むことのできる回路遮断器を提供するために完成さ れたものである。 The present invention has been completed to solve the above-mentioned conventional drawbacks and provide a circuit breaker in which a dust barrier can be incorporated into a base by an automatic machine at the same time as an arc extinguishing device.
【０００４】[0004]
前記した課題は、消弧装置の保持枠に排気孔を閉塞するダストバリヤを取り付 けた回路遮断器において、前記消弧装置の保持枠に孔又は突起からなる係合部を 設け、ダストバリヤの一部をこの係合部と係合させることによりダストバリヤと 消弧装置とを一体化したことを特徴とする回路遮断器によって解決することがで きる。 In the circuit breaker in which the holding frame of the arc extinguishing device is provided with a dust barrier that blocks the exhaust hole, the holding frame of the arc extinguishing device is provided with an engaging portion consisting of a hole or a protrusion, and a part of the dust barrier This can be solved by a circuit breaker characterized in that the dust barrier and the arc extinguishing device are integrated by engaging with the engaging portion.
【０００５】[0005]
次に、本考案を図示の実施例により詳細に説明する。 図１において１は合成樹脂材よりなるベース、２は固定接点、３は回路を遮断 する可動接触子である。４は短絡電流等によって可動接触子３が固定接点２から 離れて回路を遮断した際に発生するアークを消弧するための消弧装置である。 消弧装置４は図２、図３にも示されるようにアークガス排出用の排気孔５を設 けた断面コ字状の保持枠６間に磁性材よりなる複数枚のグリッド７を保持させた ものである。 Next, the present invention will be described in detail with reference to the illustrated embodiment. In FIG. 1, 1 is a base made of a synthetic resin material, 2 is a fixed contact, and 3 is a movable contactor for breaking the circuit. Reference numeral 4 is an arc extinguishing device for extinguishing the arc generated when the movable contact 3 is separated from the fixed contact 2 by the short-circuit current or the like and the circuit is interrupted. As shown in FIGS. 2 and 3, the arc-extinguishing device 4 holds a plurality of grids 7 made of a magnetic material between holding frames 6 each having an exhaust hole 5 for discharging an arc gas and having a U-shaped cross section. Is.
【０００６】 ８はこのような排気孔５から異物が回路遮断器の内部に侵入するのを防止する ために消弧装置４の保持枠６の外側に設けた薄板の絶縁材よりなるダストバリヤ である。 図１、図２に示す第１の実施例においては、消弧装置４の保持枠６の排気孔５ の下側の位置に一対の孔からなる係合部９が形成されており、ダストバリヤ８の 下方部の両側に突設した係止片10をこの係合部９に差し込むことによってダスト バリヤ８を消弧装置４と一体化している。Reference numeral 8 denotes a dust barrier made of a thin insulating material provided outside the holding frame 6 of the arc extinguishing device 4 in order to prevent foreign matter from entering the inside of the circuit breaker through the exhaust hole 5. .. In the first embodiment shown in FIGS. 1 and 2, the holding frame 6 of the arc extinguishing device 4 is provided with an engaging portion 9 consisting of a pair of holes at a position below the exhaust hole 5, and the dust barrier 8 is provided. The dust barriers 8 are integrated with the arc-extinguishing device 4 by inserting locking pieces 10 projecting on both sides of the lower part of the above into the engaging parts 9.
【０００７】 また図３に示す第２の実施例では、消弧装置４の保持枠６の排気孔５の下側の 位置に一対の切り起こしからなる係合部９が形成されており、ダストバリヤ８の 下方両側に設けた凹部11をこの係合部９に係合させることにより消弧装置４とダ ストバリヤ８とを一体化している。Further, in the second embodiment shown in FIG. 3, a pair of cut-and-raised engaging portions 9 are formed at a position below the exhaust hole 5 of the holding frame 6 of the arc extinguishing device 4, and the dust barrier is formed. The arc-extinguishing device 4 and the dust barrier 8 are integrated by engaging the recesses 11 provided on both lower sides of 8 with the engaging portions 9.
【０００８】[0008]
このように構成されたものは、回路に大電流等が流れると図示しない異常電流 検出器が引外し装置を作動させて可動接触子３を固定接点２から離して回路を遮 断し、遮断時に発生するアークを消弧装置４により消弧させるとともに、アーク ガスのガス圧によりダストバリヤ８を押し開くことによってアークガスを排気孔 ５から外部に排出することは従来の回路遮断器と同様である。 With such a configuration, when a large current or the like flows through the circuit, an abnormal current detector (not shown) activates the trip device to separate the movable contact 3 from the fixed contact 2 to interrupt the circuit. The generated arc is extinguished by the arc extinguishing device 4, and the dust barrier 8 is pushed open by the gas pressure of the arc gas to discharge the arc gas from the exhaust hole 5 to the outside as in the conventional circuit breaker.
【０００９】 しかし本考案の回路遮断器においては、消弧装置４の保持枠６に孔又は突起か らなる係合部９を設け、ダストバリヤ８をこの係合部９と係合させることにより ダストバリヤ８と消弧装置４とを一体化してあるので、消弧装置４をベース１に 組み込む際に同時にダストバリヤ８も組み込むことができ、自動機による組み込 みが可能である。 また、ダストバリヤ８は係合部９により位置決めされているので、消弧装置４ の所定位置への取付けも的確、容易に行え、ダストバリヤ８としての排気孔５か らの異物浸入防止機能を確実に発揮することができる。However, in the circuit breaker of the present invention, the holding frame 6 of the arc extinguishing device 4 is provided with the engaging portion 9 formed of a hole or a protrusion, and the dust barrier 8 is engaged with the engaging portion 9 to thereby remove the dust barrier. Since the arc extinguishing device 8 and the arc extinguishing device 4 are integrated, the dust barrier 8 can be installed at the same time when the arc extinguishing device 4 is installed in the base 1, and can be installed by an automatic machine. Further, since the dust barrier 8 is positioned by the engaging portion 9, the arc extinguishing device 4 can be attached to the predetermined position accurately and easily, and the function of preventing foreign matter from entering from the exhaust hole 5 as the dust barrier 8 can be ensured. Can be demonstrated.
【００１０】[0010]
本考案は以上の説明によって明らかなように、消弧装置の排気孔を閉塞するダ ストバリヤを消弧装置と一体化したことにより、消弧装置とダストバリヤとを自 動機により同時にベースに組み込むことができるようにしたものであるから、従 来のこの種の回路遮断器の問題点を解決したものとしてその実用的価値は極めて 大なものである。 As is clear from the above description, the present invention integrates the dust barrier that closes the exhaust hole of the arc extinguishing device with the arc extinguishing device, so that the arc extinguishing device and the dust barrier can be simultaneously incorporated into the base by the automatic machine. Since it has been made possible, its practical value is extremely great as a solution to the problems of the conventional circuit breaker of this type.
【図１】本考案の第１の実施例を示す一部切欠側面図で
ある。FIG. 1 is a partially cutaway side view showing a first embodiment of the present invention.
【図２】本考案の第１の実施例の要部を示す分解斜視図
である。FIG. 2 is an exploded perspective view showing a main part of the first embodiment of the present invention.
【図３】本考案の第２の実施例の要部を示す分解斜視図
である。FIG. 3 is an exploded perspective view showing a main part of a second embodiment of the present invention.
４ 消弧装置 ５ 排気孔 ６ 保持枠 ８ ダストバリヤ ９ 係合部 4 Arc extinguishing device 5 Exhaust hole 6 Holding frame 8 Dust barrier 9 Engagement part
Claims (1)
を閉塞するダストバリヤ(8) を取り付けた回路遮断器に
おいて、前記消弧装置(4) の保持枠(6) に孔又は突起か
らなる係合部(9) を設け、ダストバリヤ(8) の一部をこ
の係合部(9) と係合させることによりダストバリヤ(8)
と消弧装置(4) とを一体化したことを特徴とする回路遮
断器。1. An exhaust hole (5) in a holding frame (6) of an arc extinguishing device (4).
In a circuit breaker equipped with a dust barrier (8) that closes the part of the dust barrier (8), the holding frame (6) of the arc extinguishing device (4) is provided with an engaging portion (9) consisting of a hole or a protrusion. By engaging the engaging part (9) with the dust barrier (8).
A circuit breaker characterized by integrating an arc-extinguishing device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991038990U JP2571358Y2 (en) | 1991-04-26 | 1991-04-26 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991038990U JP2571358Y2 (en) | 1991-04-26 | 1991-04-26 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0523388U true JPH0523388U (en) | 1993-03-26 |
| JP2571358Y2 JP2571358Y2 (en) | 1998-05-18 |
Family
ID=12540579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991038990U Expired - Lifetime JP2571358Y2 (en) | 1991-04-26 | 1991-04-26 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2571358Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002352691A (en) * | 2001-05-28 | 2002-12-06 | Fuji Electric Co Ltd | Dust-proof structure for circuit breaker |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0287357U (en) * | 1988-12-23 | 1990-07-11 |
-
1991
- 1991-04-26 JP JP1991038990U patent/JP2571358Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0287357U (en) * | 1988-12-23 | 1990-07-11 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002352691A (en) * | 2001-05-28 | 2002-12-06 | Fuji Electric Co Ltd | Dust-proof structure for circuit breaker |
| JP4524534B2 (en) * | 2001-05-28 | 2010-08-18 | 富士電機機器制御株式会社 | Circuit breaker dustproof structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2571358Y2 (en) | 1998-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980130 |