JP3097353B2 - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- JP3097353B2 JP3097353B2 JP04300548A JP30054892A JP3097353B2 JP 3097353 B2 JP3097353 B2 JP 3097353B2 JP 04300548 A JP04300548 A JP 04300548A JP 30054892 A JP30054892 A JP 30054892A JP 3097353 B2 JP3097353 B2 JP 3097353B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit breaker
- main body
- panel
- setting
- accessory box
- 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 - Fee Related
Links
Landscapes
- Breakers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、電線保護を目的とし
た配線用遮断器などの回路遮断器に関し、特に動作特性
の設定や通電状態の表示のための設定・表示部を備えた
回路遮断器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit breaker such as a circuit breaker for protecting electric wires, and more particularly to a circuit breaker provided with a setting / display unit for setting operating characteristics and displaying an energized state. About the vessel.
【０００２】[0002]
【従来の技術】図３は従来のこの種の回路遮断器の平面
図である。図において、モールド樹脂からなる回路遮断
器本体１の中央部に操作ハンドル２が突出し、その前後
（図の左右）には負荷側の端子部３と電源側の端子部４
とが設けられている。動作特性の設定や通電状態の表示
をする設定・表示部は操作ハンドル２と負荷側端子部３
との間で回路遮断器本体１に内蔵され、その表面に調整
ダイヤル５と発光ダイオードからなる表示ランプ６とが
配列されている。回路遮断器本体１の上面には操作ハン
ドル２を囲む凸枠１ａ、及び調整ダイヤル５と表示ラン
プ６とを囲む凸枠１ｂが形成され、これらは回路遮断器
の盤への取り付け時に破線で輪郭を示した盤パネルの窓
穴７及び８にそれぞれ嵌合するようになっている。2. Description of the Related Art FIG. 3 is a plan view of a conventional circuit breaker of this type. In the figure, an operation handle 2 protrudes from the center of a circuit breaker body 1 made of a molded resin, and before and after (left and right in the figure) a terminal 3 on the load side and a terminal 4 on the power supply side.
Are provided. The setting / display unit for setting the operating characteristics and displaying the energized state includes the operation handle 2 and the load-side terminal unit 3
The adjustment dial 5 and a display lamp 6 composed of a light emitting diode are arranged on the surface of the circuit breaker main body 1. A convex frame 1a surrounding the operation handle 2 and a convex frame 1b surrounding the adjustment dial 5 and the display lamp 6 are formed on the upper surface of the circuit breaker body 1, and these are outlined by broken lines when the circuit breaker is mounted on the panel. Are fitted into the window holes 7 and 8 of the panel panel, respectively.
【０００３】[0003]
【発明が解決しようとする課題】ところが、このような
従来の回路遮断器は、設定・表示部を盤パネルから外部
に覗かせるために、操作ハンドル２を突出させる窓穴７
とは別に窓穴８をあけなければならず、回路遮断器の盤
収納時における盤パネルの窓穴加工に多くの工数を必要
とした。そこで、この発明は、操作ハンドル部と設定・
表示部の窓穴を１つにまとめて窓穴加工を簡単にした回
路遮断器を提供することを目的とするものである。However, such a conventional circuit breaker has a window hole 7 through which the operating handle 2 projects so that the setting / display unit can be seen outside from the panel panel.
In addition, the window hole 8 must be formed separately, and a large number of man-hours are required for processing the window hole of the panel panel when the circuit breaker is stored in the panel. Therefore, the present invention provides an operation handle and a setting
It is an object of the present invention to provide a circuit breaker in which the window holes of the display unit are integrated into one and the window hole processing is simplified.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に、この発明は、動作特性の設定や通電状態の表示をす
る設定・表示部を付属ボックスに収納して回路遮断器本
体の側面に装着し、盤パネルの窓穴に嵌合する前記付属
ボックス及び前記回路遮断器本体の凸枠を一体的に隣接
させるものとする。In order to achieve the above-mentioned object, the present invention provides a setting / display unit for setting operating characteristics and displaying an energized state in an attached box, which is mounted on a side surface of a circuit breaker body. The attached box fitted to the window hole of the panel panel and the convex frame of the circuit breaker body are integrally adjacent to each other.
【０００５】[0005]
【作用】設定・表示部を付属ボックスに収納して回路遮
断器本体の側面に装着し、盤パネルの窓穴に嵌合する付
属ボックス及び回路遮断器本体の凸枠を一体的に隣接さ
せることにより、設定・表示部を外部に覗かせるための
窓穴と操作ハンドルを外部に突出させるための窓穴とを
横方向につながらせて１つにすることができる。[Function] The setting / display section is housed in the accessory box, attached to the side of the circuit breaker body, and the accessory box fitted into the window hole of the panel and the convex frame of the circuit breaker body are integrally adjacent. Thereby, the window hole for allowing the setting / display unit to be seen outside and the window hole for projecting the operation handle to the outside can be laterally connected to be one.
【０００６】[0006]
【実施例】図１〜図３はこの発明の実施例を示すもの
で、図１は回路遮断器の平面図、図２はその側面図、図
３はこの回路遮断器の本体及び付属ボックスの分解斜視
図である。なお、従来例と対応する部分には同一の符号
を用いるものとする。図１及び図２において、図示回路
遮断器は過電流引外し部を電子回路で構成した漏電監視
機能付の配線用遮断器で、動作特性の設定部は定格電流
を調整する機能及びこの定格電流の70〜100 ％の電流で
事前に警報（プレアラーム）を出力する際の設定電流を
調整する機能を有している。また、表示部は上記プレア
ラームの出力と表示をする機能、電流が定格電流を超え
たことを表示する機能及び漏電が発生したことを表示す
る機能を備えている。1 to 3 show an embodiment of the present invention. FIG. 1 is a plan view of a circuit breaker, FIG. 2 is a side view of the circuit breaker, and FIG. It is an exploded perspective view. Note that the same reference numerals are used for the portions corresponding to the conventional example. 1 and 2, the circuit breaker shown is a circuit breaker with a leakage monitoring function in which an overcurrent tripping unit is formed by an electronic circuit, and the operating characteristic setting unit is a function for adjusting the rated current and the rated current. It has a function to adjust the set current when outputting an alarm (pre-alarm) in advance with a current of 70 to 100%. The display unit has a function of outputting and displaying the pre-alarm, a function of displaying that the current has exceeded the rated current, and a function of displaying that a leakage has occurred.
【０００７】ここで、設定・表示部の電子部品を搭載し
たプリント板はモールド樹脂からなる付属ボックス９に
収納され、回路遮断器本体１の側面に装着されている。
付属ボックス９の上面には盤パネルの窓穴に嵌合する凸
枠９ａが形成されているが、その前後の幅寸法Ｗ（図
１）及び高さ寸法Ｈ（図２）は回路遮断器本体１の凸枠
１ａと同じで、付属ボックス９が図示の通り回路遮断器
本体１に装着された状態で凸枠１ａ及び９ａは一体的に
隣接してあたかも１つの凸枠を構成するようになってい
る。付属ボックス９の凸枠部には、２個の調整ダイヤル
５（５ａ，５ｂ）と発光ダイオードからなる３個の表示
ランプ６（６ａ〜６ｃ）とが配列されている。調整ダイ
ヤル５ａはプレアラーム電流の設定用、同じく５ｂは定
格電流の調整用である。また、表示ランプ６ａはプレア
ラームの表示用、同じく６ｂは定格電流オーバーの表示
用、同じく６ｃは漏電発生の表示用である。Here, the printed board on which the electronic components of the setting / display section are mounted is housed in an accessory box 9 made of a molded resin, and is mounted on the side of the circuit breaker main body 1.
A convex frame 9a that fits into a window hole of the panel is formed on the upper surface of the accessory box 9, and the width dimension W (FIG. 1) and the height dimension H (FIG. 2) before and after the frame 9a are the main body of the circuit breaker. 1, the convex frames 1a and 9a are integrally adjacent to each other to form a single convex frame in a state where the accessory box 9 is attached to the circuit breaker main body 1 as shown in the figure. ing. Two adjustment dials 5 (5a, 5b) and three display lamps 6 (6a to 6c) composed of light emitting diodes are arranged in the convex frame portion of the accessory box 9. The adjustment dial 5a is for setting a pre-alarm current, and the adjustment dial 5b is for adjusting a rated current. The display lamp 6a is for displaying a pre-alarm, 6b is for displaying that the rated current is exceeded, and 6c is for displaying the occurrence of electric leakage.
【０００８】次に、図３により回路遮断器本体１及び付
属ボックス９の構成について説明する。図に示すよう
に、回路遮断器本体１は本体ケース１０と本体カバー１
１とからなり、本体カバー１１には操作ハンドル２を突
出させるハンドル穴１２を囲む凸枠１ａが形成されてい
る。また、本体ケース１０の一方の側壁には付属ボック
ス９の装着のための断面凸形の凹部１０ａ形成されてい
る。一方、付属ボックス９は本体ケース１０と対面する
側が開放した箱形のケース１３とその開放面を塞ぐ平板
状のカバー１４とからなり、これらは係合により図示の
通り結合されている。カバー１４には本体ケース１０の
凹部１０ａと嵌合する凸部１４ａが一体形成されてい
る。付属ボックス９の凸枠９ａはケース１３の上面に一
体形成され、この部分に調整ダイヤル５及び表示ランプ
６を覗かせる穴１３ａがあけられている。ケース１３の
前後面には一対の取付金具１５が図示しないねじで固定
され、Ｌ形に折り曲げられたその上端部には取付穴１５
ａがあけられている。Next, the configuration of the circuit breaker body 1 and the accessory box 9 will be described with reference to FIG. As shown in the figure, the circuit breaker main body 1 includes a main body case 10 and a main body cover 1.
The main body cover 11 is formed with a convex frame 1a surrounding a handle hole 12 through which the operation handle 2 projects. A concave portion 10 a having a convex cross section for mounting the accessory box 9 is formed on one side wall of the main body case 10. On the other hand, the accessory box 9 includes a box-shaped case 13 whose side facing the main body case 10 is open, and a flat cover 14 that covers the open surface thereof, and these are connected by engagement as shown in the figure. The cover 14 is integrally formed with a protrusion 14 a that fits into the recess 10 a of the main body case 10. The convex frame 9a of the accessory box 9 is integrally formed on the upper surface of the case 13, and a hole 13a through which the adjustment dial 5 and the display lamp 6 can be seen is formed in this portion. A pair of mounting brackets 15 are fixed to the front and rear surfaces of the case 13 by screws (not shown), and are bent into L-shape.
a is opened.
【０００９】付属ボックス９を回路遮断器本体１に装着
するには、取付金具１５を本体カバー１１の凹部１１ａ
に位置合わせして重ね、これらをそのままの状態を保ち
ながら付属ボックス９の凸部１４ａを本体ケース１０の
凹部１０ａに挿入しつつ本体カバー１１を本体ケース１
０に被せる。そして、本体カバー１１を通してねじ１６
（図１）を本体ケース１０にねじ込み、本体カバー１１
と取付金具１５とを共締めする。その際、付属ボックス
９と回路遮断器本体１内の電流検出部との間のリード線
はケース側壁の切欠１０ｂを通す。以上示した構成によ
れば、回路遮断器本体１の凸枠１ａと設定・表示部を構
成する付属ボックス９の凸枠９ａとは一体的に隣接して
いるので、これらを嵌合させる盤パネルの窓穴７を図１
に示すように横方向につながらせて１つにすることがで
きる。In order to attach the accessory box 9 to the circuit breaker main body 1, the mounting bracket 15 is attached to the recess 11 a of the main body cover 11.
The main body cover 11 is attached to the main body case 1 while the projections 14a of the accessory box 9 are inserted into the recesses 10a of the main body case 10 while maintaining these as they are.
Cover with 0. Then, screw 16 through body cover 11
(FIG. 1) is screwed into the main body case 10 and the main body cover 11 is
And the mounting bracket 15 are fastened together. At this time, the lead wire between the accessory box 9 and the current detecting portion in the circuit breaker main body 1 passes through the cutout 10b in the case side wall. According to the configuration described above, since the convex frame 1a of the circuit breaker main body 1 and the convex frame 9a of the accessory box 9 constituting the setting / display unit are integrally adjacent to each other, the panel panel to which these are fitted. Window hole 7
As shown in FIG.
【００１０】[0010]
【発明の効果】この発明によれば、設定・表示部を外部
に覗かせるための窓穴と、操作ハンドルを外部に突出さ
せるための窓穴とを横方向につながらせて１つにするこ
とができるため、盤パネルの加工工数が減って盤のコス
トが低下する。また、設定・表示部の表示ランプや調整
ダイヤルが操作ハンドルの横に一列に並ぶため見やすく
なる。更に、設定・表示部が付属ボックスに収納される
ため、付属ボックスの交換により容易に設定・表示部の
仕様変更ができる。According to the present invention, the window hole for allowing the setting / display unit to be seen outside and the window hole for projecting the operation handle to the outside are laterally connected to be one. Therefore, the number of processing steps for the panel panel is reduced, and the cost of the panel is reduced. Also, the display lamps and adjustment dials of the setting / display unit are arranged in a line beside the operation handle, so that it is easy to see. Further, since the setting / display unit is stored in the accessory box, the specification of the setting / display unit can be easily changed by replacing the accessory box.
【図１】この発明の実施例の回路遮断器の平面図であ
る。FIG. 1 is a plan view of a circuit breaker according to an embodiment of the present invention.
【図２】図１の側面図である。FIG. 2 is a side view of FIG.
【図３】図１における回路遮断器本体及び付属ボックス
の分解斜視図である。FIG. 3 is an exploded perspective view of a circuit breaker main body and an accessory box in FIG. 1;
【図４】従来の回路遮断器の平面図である。FIG. 4 is a plan view of a conventional circuit breaker.
【符号の説明】 １ 回路遮断器本体 １ａ 凸枠 ２ 操作ハンドル ３ 負荷側端子部 ４ 電源側端子部 ５ 調整ダイヤル ６ 表示ランプ ７ 窓穴 ９ 付属ボックス ９ａ 凸枠 １５ 取付金具[Description of Signs] 1 Circuit breaker body 1a Convex frame 2 Operation handle 3 Load side terminal 4 Power supply terminal 5 Adjustment dial 6 Indicator lamp 7 Window hole 9 Attached box 9a Convex frame 15 Mounting bracket
フロントページの続き (56)参考文献 特開 平１−225030（ＪＰ，Ａ) 実開 昭57−22152（ＪＰ，Ｕ) 実開 昭62−126051（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01H 73/06 H01H 71/74 H01H 73/12 Continuation of the front page (56) References JP-A-1-225030 (JP, A) Japanese Utility Model Application Sho 57-22152 (JP, U) Japanese Utility Model Application Utility Model Sho 62-126051 (JP, U) (58) Fields investigated (Int) .Cl. 7 , DB name) H01H 73/06 H01H 71/74 H01H 73/12
Claims (1)
定・表示部を付属ボックスに収納して回路遮断器本体の
側面に装着し、盤パネルの窓穴に嵌合する前記付属ボッ
クス及び前記回路遮断器本体の凸枠を一体的に隣接させ
たことを特徴とする回路遮断器。A set / display unit for setting operating characteristics and displaying an energized state is housed in an attached box, mounted on a side surface of a circuit breaker main body, and fitted into a window hole of a panel panel. A circuit breaker, wherein a convex frame of the circuit breaker body is integrally adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04300548A JP3097353B2 (en) | 1992-10-13 | 1992-10-13 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04300548A JP3097353B2 (en) | 1992-10-13 | 1992-10-13 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06124642A JPH06124642A (en) | 1994-05-06 |
| JP3097353B2 true JP3097353B2 (en) | 2000-10-10 |
Family
ID=17886159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04300548A Expired - Fee Related JP3097353B2 (en) | 1992-10-13 | 1992-10-13 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3097353B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5322293B2 (en) * | 2009-07-27 | 2013-10-23 | パナソニック株式会社 | Current limiting device and current interruption system |
-
1992
- 1992-10-13 JP JP04300548A patent/JP3097353B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06124642A (en) | 1994-05-06 |
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