JPH06111704A - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- JPH06111704A JPH06111704A JP25772392A JP25772392A JPH06111704A JP H06111704 A JPH06111704 A JP H06111704A JP 25772392 A JP25772392 A JP 25772392A JP 25772392 A JP25772392 A JP 25772392A JP H06111704 A JPH06111704 A JP H06111704A
- Authority
- JP
- Japan
- Prior art keywords
- circuit breaker
- cover
- trip
- auxiliary
- base
- 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
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/126—Automatic release mechanisms with or without manual release actuated by dismounting of circuit breaker or removal of part of circuit breaker
Landscapes
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、警報スイッチ，補助
スイッチなどの付属装置を備えた回路遮断器に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit breaker equipped with auxiliary devices such as an alarm switch and an auxiliary switch.
【０００２】[0002]
【従来の技術】従来の回路遮断器を図７〜図１３につい
て説明する。図７は外観斜視図、図８は図７を分解して
示す斜視図、図９は図７の線IX−IXの断面でオン状態を
示す図、図１０は図９と同じ断面でオフ状態を示す図、
図１１は図９と同じ断面でトリップ状態を示す図、図１
２は図８の線XII −XII の断面図、図１３は図１２を下
からみた図である。2. Description of the Related Art A conventional circuit breaker will be described with reference to FIGS. 7 is an external perspective view, FIG. 8 is an exploded perspective view of FIG. 7, FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG. 7, showing an ON state, and FIG. 10 is the same cross-section as FIG. Showing the figure,
11 is a diagram showing a trip state in the same cross section as FIG. 9, FIG.
2 is a sectional view taken along the line XII-XII in FIG. 8, and FIG. 13 is a view of FIG. 12 seen from below.
【０００３】図において、１はベース１ａとこのベース
１ａに着脱自在に固定される主カバー１ｂとからなる遮
断器ケース、２は警報スイッチ，補助スイッチなどの付
属装置、３は主カバー１ｂのベース１ａとは反対側の面
１０１に形成されて付属装置２を収容する凹所、４は主
カバー１ｂに着脱自在に取付けられて凹所３を閉塞する
補助カバー、５は遮断器ケース１内で開閉動作をする可
動子で、可動接点５ａを有している。６は可動接点５ａ
と接離する固定接点６ａを有する固定子、７はトグルリ
ンク機構８を介して可動子５を開閉させる起倒式ハンド
ルで、主カバー１ｂの内面に沿って回動する回動部７ａ
とこの回動部７ａに突設されて主カバー１ｂの開口から
外部に突出するハンドル部７ｂとからなっている。９は
トグルリンク機構８と連繋するレバー、１０はトリップ
バーで、カケガネ１１，ラッチ１２を介してレバー９に
連繋されている。１３は負荷側端子板１４に接続される
引外し機構（バイメタル式，電磁式）で、可撓ヨリ線１
５により可動子５に接続されている。In the figure, 1 is a circuit breaker case consisting of a base 1a and a main cover 1b which is detachably fixed to the base 1a, 2 is an auxiliary device such as an alarm switch and an auxiliary switch, and 3 is a base of the main cover 1b. A recess 4 formed on the surface 101 opposite to the side 1a for accommodating the accessory device 4, 4 is an auxiliary cover detachably attached to the main cover 1b to close the recess 3, and 5 is inside the circuit breaker case 1. It is a mover that opens and closes, and has a movable contact 5a. 6 is a movable contact 5a
A stator having a fixed contact 6a that comes into contact with and separates from the movable cover 5 is a tilting handle that opens and closes the mover 5 via a toggle link mechanism 8, and a rotating portion 7a that rotates along the inner surface of the main cover 1b.
And a handle portion 7b projecting from the rotating portion 7a and protruding outward from the opening of the main cover 1b. Reference numeral 9 is a lever which is connected to the toggle link mechanism 8, and 10 is a trip bar, which is connected to the lever 9 via the rake 11 and the latch 12. Reference numeral 13 is a tripping mechanism (bimetal type, electromagnetic type) connected to the load side terminal plate 14, and the flexible twisting wire 1
5 is connected to the mover 5.
【０００４】次に動作について説明する。図７〜図９に
示すオン状態からハンドル７を矢印１６の方向に移動さ
せると、トグルリンク機構８の屈曲により可動子５が引
き上げられて図１０に示すようにオフ状態となる。図１
０のオフ状態からハンドル７を矢印１７の方向に移動さ
せると、トグルリンク機構８の伸長により可動子５が押
し下げられて図９に示すオン状態となる。図９のオン状
態において過電流が流れると、引外し機構１３が動作し
てトリップバー１０を矢印１８の方向に回動させ、カケ
ガネ１１，ラッチ１２が外れてレバー９がはね上がるこ
とによりトグルリンク機構８が屈曲して可動子５が引き
上げられ、図１１に示すようにトリップ状態となる。Next, the operation will be described. When the handle 7 is moved in the direction of the arrow 16 from the on state shown in FIGS. 7 to 9, the mover 5 is pulled up by the bending of the toggle link mechanism 8 to be in the off state as shown in FIG. Figure 1
When the handle 7 is moved in the direction of the arrow 17 from the OFF state of 0, the mover 5 is pushed down by the extension of the toggle link mechanism 8 to be in the ON state shown in FIG. 9. When an overcurrent flows in the ON state of FIG. 9, the tripping mechanism 13 operates to rotate the trip bar 10 in the direction of the arrow 18, and the scraper 11 and the latch 12 are disengaged so that the lever 9 springs up to toggle the toggle link mechanism. 8 is bent and the mover 5 is pulled up, and a trip state is set as shown in FIG.
【０００５】[0005]
【発明が解決しようとする課題】従来の回路遮断器で
は、図８に示すように補助カバー４を開けて凹所３に付
属装置２を取付けるとき、図９に示すように遮断器オン
の状態では活線状態であるし、また不要トリップ動作の
起る状態でもあるので、付属装置２の取付作業に危険性
が伴うという問題点があった。In the conventional circuit breaker, when the auxiliary cover 4 is opened to attach the accessory device 2 to the recess 3 as shown in FIG. 8, the circuit breaker is in the on state as shown in FIG. However, since it is in a live line state and is in a state in which an unnecessary trip operation occurs, there is a problem in that the attachment work of the accessory device 2 is dangerous.
【０００６】この発明はかかる問題点を解消するために
なされたもので、補助カバーを開くと回路遮断器がオー
トトリップすることにより付属装置取付作業の安全性を
高め信頼性の高い回路遮断器を得ること目的とする。The present invention has been made in order to solve such a problem, and when the auxiliary cover is opened, the circuit breaker automatically trips, so that the safety of the attachment work of the accessory device is enhanced and a highly reliable circuit breaker is provided. The purpose is to obtain.
【０００７】[0007]
【課題を解決するための手段】この発明に係る回路遮断
器は、補助カバーが開くとオートトリップするようにし
たものである。The circuit breaker according to the present invention is adapted to automatically trip when the auxiliary cover is opened.
【０００８】[0008]
【作用】この発明においては、補助カバーを開くとオー
トトリップするので、付属装置の取付作業が安全に行え
る。In the present invention, when the auxiliary cover is opened, it automatically trips, so that the attachment work of the accessory device can be performed safely.
【０００９】[0009]
実施例１．この発明の一実施例を図１〜図３について説
明する。図１は外観斜視図、図２は補助カバーの開いた
状態を示す図、図３は図１の線III −III の断面図であ
り、前記従来のものと同一または相当部分には同一符号
を付して説明を省略する。図において、１９はトリップ
バー１０に係合したロッドで、主カバー１ｂの面１０１
に突出している。２０はロッド１９を突出させるバネで
ある。Example 1. An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an external perspective view, FIG. 2 is a view showing an opened state of an auxiliary cover, and FIG. 3 is a cross-sectional view taken along the line III-III of FIG. The description is omitted. In the figure, 19 is a rod engaged with the trip bar 10, which is a surface 101 of the main cover 1b.
Overhangs. Reference numeral 20 is a spring for projecting the rod 19.
【００１０】図１に示すように補助カバー４が閉まって
いる状態では、ロッド１９はバネ２０に抗して押し込ま
れている。そして、図２に示すように補助カバー４を開
くと、ロッド１９がバネ２０により突出してトリップバ
ー１０を矢印１８の方向に回動させるので、トリップす
る。When the auxiliary cover 4 is closed as shown in FIG. 1, the rod 19 is pushed against the spring 20. Then, when the auxiliary cover 4 is opened as shown in FIG. 2, the rod 19 projects by the spring 20 and rotates the trip bar 10 in the direction of the arrow 18, so that the trip occurs.
【００１１】実施例２．図４に示す実施例では、手動操
作のトリップボタン２１を備えたものであって、このト
リップボタン２１を突出可能構造として補助カバー４の
内面で止めておく。図４に示す状態では、補助カバー４
の穴２２からトリップボタン２１を押せば、勿論トリッ
プするし、補助カバー４を開くと、トリップボタン２１
がバネ２３により突出してトリップバー１０を矢印１８
の方向に回動させてトリップする。Embodiment 2. The embodiment shown in FIG. 4 is provided with a manually operated trip button 21, and the trip button 21 is fixed on the inner surface of the auxiliary cover 4 as a projectable structure. In the state shown in FIG. 4, the auxiliary cover 4
Of course, if you press the trip button 21 from the hole 22 of the, trip will occur, and if you open the auxiliary cover 4, the trip button 21
Is protruded by the spring 23 to move the trip bar 10 to the arrow 18
Rotate in the direction of and trip.
【００１２】実施例３．図５，図６に示す実施例では、
補助カバー４にトリップバーはね上げ用突起２４を設け
たものでる。補助カバー４が開くときに、突起２４がト
リップバー１０をはね上げて矢印１８の方向に回動させ
るので、トリップする。Embodiment 3. In the embodiment shown in FIGS. 5 and 6,
The auxiliary cover 4 is provided with trip bar flip-up projections 24. When the auxiliary cover 4 is opened, the projection 24 flips up the trip bar 10 and rotates it in the direction of the arrow 18, so that the trip occurs.
【００１３】[0013]
【発明の効果】以上のように、この発明によれば補助カ
バーが開くとオートトリップするので付属装置取付作業
の安全性が高まり、信頼性の高いものが得られるという
効果がある。As described above, according to the present invention, when the auxiliary cover is opened, it automatically trips, so that there is an effect that the safety of attachment work of the accessory device is enhanced and a highly reliable one is obtained.
【図１】この発明の実施例１を示す外観斜視図あでる。FIG. 1 is an external perspective view showing a first embodiment of the present invention.
【図２】補助カバーを開いた状態を示す図である。FIG. 2 is a diagram showing a state in which an auxiliary cover is opened.
【図３】図１の線III −III の断面図である。3 is a cross-sectional view taken along the line III-III in FIG.
【図４】この発明の実施例２を示す断面図である。FIG. 4 is a sectional view showing Embodiment 2 of the present invention.
【図５】この発明の実施例３を示す断面図である。FIG. 5 is a sectional view showing Embodiment 3 of the present invention.
【図６】図５の補助カバーを示す裏面図である。6 is a rear view showing the auxiliary cover of FIG.
【図７】従来装置を示す外観斜視図である。FIG. 7 is an external perspective view showing a conventional device.
【図８】図７を分解して示す斜視図である。FIG. 8 is an exploded perspective view of FIG.
【図９】図７の線IX−IXの断面でオン状態を示す図であ
る。9 is a diagram showing an ON state in a cross section taken along the line IX-IX in FIG. 7.
【図１０】図９と同じ断面でオフ状態を示す図である。FIG. 10 is a view showing an off state in the same cross section as FIG.
【図１１】図９と同じ断面でトリップ状態を示す図であ
る。FIG. 11 is a diagram showing a trip state in the same cross section as FIG. 9.
【図１２】図８の線XII −XII の断面図である。12 is a cross-sectional view taken along the line XII-XII in FIG.
【図１３】図１２を下からみた図である。FIG. 13 is a view of FIG. 12 seen from below.
１ 遮断器ケース １ａ ベース １ｂ 主カバー １０１ 主カバーのベースとは反対側の面 ２ 付属装置 ３ 凹所 ４ 補助カバー ５ 可動子 ６ 固定子 ７ ハンドル １０ トリップバー １９ ロッド ２０ バネ ２１ トリップボタン ２４ 突起 1 Circuit breaker case 1a Base 1b Main cover 101 Surface of main cover opposite to base 2 Attachment device 3 Recess 4 Auxiliary cover 5 Mover 6 Stator 7 Handle 10 Trip bar 19 Rod 20 Spring 21 Trip button 24 Projection
───────────────────────────────────────────────────── フロントページの続き (72)発明者 山県 伸示 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 村田 士郎 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 山先 伸作 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 飯尾 司 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 小林 義昭 福山市緑町１番８号 三菱電機株式会社福 山製作所内 (72)発明者 細貝 節夫 福山市緑町１番８号 三菱電機株式会社福 山製作所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinji Yamagata 1-8 Midoricho, Fukuyama-shi, Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Shirou Murata 1-8 Midoricho, Fukuyama-shi Fukuyama Factory (72) Inventor Shinsaku Yamasaki 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Inventor Tsukasa Iio 1-8 Midoricho, Fukuyama City Mitsubishi Electric Corporation Fukuyama Factory (72) Invention Yoshiaki Kobayashi 1-8 Midoricho, Fukuyama-shi Fukuyama Works, Mitsubishi Electric Corporation (72) Inventor Setsuo Hosogai 1-8 Midoricho, Fukuyama-shi Fukuyama Works, Mitsubishi Electric Co., Ltd.
Claims (1)
ーとからなると共に遮断機構を内蔵する遮断器ケース、
前記主カバーの前記ベースとは反対側の面に形成されて
前記遮断機構の付属装置を収容する凹所、および前記主
カバーに取付けられて前記凹所を閉塞する補助カバーを
備えた回路遮断器において、 前記補助カバーが開くと、前記遮断機構がオートトリッ
プするようにしたことを特徴とする回路遮断器。1. A circuit breaker case including a base and a main cover fixed to the base and having a built-in breaking mechanism,
A circuit breaker having a recess formed on a surface of the main cover opposite to the base and accommodating an accessory device of the cutoff mechanism, and an auxiliary cover attached to the main cover to close the recess. 2. The circuit breaker according to claim 1, wherein the breaking mechanism automatically trips when the auxiliary cover is opened.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4257723A JP2838949B2 (en) | 1992-09-28 | 1992-09-28 | Circuit breaker |
| SG1996002791A SG73373A1 (en) | 1992-09-28 | 1993-09-21 | Circuit breaker |
| EP93115178A EP0590475B1 (en) | 1992-09-28 | 1993-09-21 | Circuit breaker |
| DE69316952T DE69316952T2 (en) | 1992-09-28 | 1993-09-21 | Circuit breaker |
| KR1019930019195A KR940007922A (en) | 1992-09-28 | 1993-09-21 | Circuit breaker |
| US08/125,175 US5457295A (en) | 1992-09-28 | 1993-09-23 | Circuit breaker |
| CN93118415A CN1032886C (en) | 1992-09-28 | 1993-09-28 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4257723A JP2838949B2 (en) | 1992-09-28 | 1992-09-28 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06111704A true JPH06111704A (en) | 1994-04-22 |
| JP2838949B2 JP2838949B2 (en) | 1998-12-16 |
Family
ID=17310211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4257723A Expired - Lifetime JP2838949B2 (en) | 1992-09-28 | 1992-09-28 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2838949B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040008425A (en) * | 2002-07-18 | 2004-01-31 | 엘지산전 주식회사 | auxiliary cover for circuit breaker |
| JP2007335275A (en) * | 2006-06-16 | 2007-12-27 | Hitachi Industrial Equipment Systems Co Ltd | Circuit breaker |
| KR101009386B1 (en) * | 2005-08-12 | 2011-01-19 | 후지 덴키 기기세이교 가부시끼가이샤 | Circuit breaker |
| JP2012150962A (en) * | 2011-01-18 | 2012-08-09 | Otowa Denki Kogyo Kk | Spd device with circuit breaker |
| CN102651292A (en) * | 2011-02-22 | 2012-08-29 | Ls产电株式会社 | Circuit breaker |
-
1992
- 1992-09-28 JP JP4257723A patent/JP2838949B2/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040008425A (en) * | 2002-07-18 | 2004-01-31 | 엘지산전 주식회사 | auxiliary cover for circuit breaker |
| KR101009386B1 (en) * | 2005-08-12 | 2011-01-19 | 후지 덴키 기기세이교 가부시끼가이샤 | Circuit breaker |
| JP2007335275A (en) * | 2006-06-16 | 2007-12-27 | Hitachi Industrial Equipment Systems Co Ltd | Circuit breaker |
| JP4641008B2 (en) * | 2006-06-16 | 2011-03-02 | 株式会社日立産機システム | Circuit breaker |
| JP2012150962A (en) * | 2011-01-18 | 2012-08-09 | Otowa Denki Kogyo Kk | Spd device with circuit breaker |
| CN102651292A (en) * | 2011-02-22 | 2012-08-29 | Ls产电株式会社 | Circuit breaker |
| JP2012174688A (en) * | 2011-02-22 | 2012-09-10 | Ls Industrial Systems Co Ltd | Circuit breaker |
| US8796573B2 (en) | 2011-02-22 | 2014-08-05 | Lsis Co., Ltd. | Circuit breaker |
| KR200477244Y1 (en) * | 2011-02-22 | 2015-05-22 | 엘에스산전 주식회사 | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2838949B2 (en) | 1998-12-16 |
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