JPS6340344B2 - - Google Patents
Info
- Publication number
- JPS6340344B2 JPS6340344B2 JP55149610A JP14961080A JPS6340344B2 JP S6340344 B2 JPS6340344 B2 JP S6340344B2 JP 55149610 A JP55149610 A JP 55149610A JP 14961080 A JP14961080 A JP 14961080A JP S6340344 B2 JPS6340344 B2 JP S6340344B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- frame
- link
- movable contact
- trip
- 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
Landscapes
- Breakers (AREA)
Description
【発明の詳細な説明】
〔技術分野〕
この発明は、回路しや断器に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to circuits and disconnectors.
従来の回路しや断器（たとえば実開昭53−
55760号）は、異常電流を検出する電磁石のコイ
ルが、コイルの励磁により移動して感動電流がば
らつくという欠点があつた。
Conventional circuit breakers (for example, 1983-
No. 55760) had the disadvantage that the electromagnetic coil that detects abnormal currents moves due to the excitation of the coil, causing fluctuations in the impressed current.
この発明の目的は、コイルを確実に固定するこ
とができる回路しや断器を提供することである。
An object of the present invention is to provide a circuit breaker that can securely fix a coil.
この発明の回路しや断器は、トリツプリンク、
このトリツプリンクにラツチされたラツチリン
ク、このラツチリンクに支持されてハンドルの操
作により開閉動作する可動接触子をそれぞれ保持
したフレームと、このフレームに一体に形成され
たヨークにコイル筒が設けられて前記コイル筒内
に固定鉄心、復帰ばねおよび前記トリツプリンク
を引外しするプランジヤを内蔵するとともに前記
コイル筒の外周にコイルを巻回しかつその一端を
可とう電線を介して前記可動接触子に接続した短
絡電流検出用の電磁石と、前記可動接触子の可動
接点に対向する固定接点と、この接点に接続され
た電源側端子と、前記フレームと絶縁分離して設
けられて前記コイルの他端に接続され過電流時に
前記トリツプリンクを引外しするバイメタルユニ
ツトと、このバイメタルユニツトに接続された負
荷側端子とを備えた回路しや断器において、前記
コイルと可とう電線との接続部を前記フレームの
外側面に溶接したことを特徴とするものである。
The circuit breakers and breakers of this invention include triplinks,
A latch link latched to this trip link, a frame supporting a movable contact that is supported by this latch link and opened and closed by operating a handle, and a coil tube provided on a yoke integrally formed with this frame. A fixed iron core, a return spring, and a plunger for tripping the trip link are built in, and a coil is wound around the outer periphery of the coil tube, and one end of the coil is connected to the movable contact via a flexible electric wire for short circuit current detection. an electromagnet, a fixed contact facing the movable contact of the movable contact, a power supply side terminal connected to this contact, and a power supply side terminal provided insulated and separated from the frame and connected to the other end of the coil, which is connected to the other end of the coil in the event of an overcurrent. In a circuit or disconnection device comprising a bimetal unit for tripping the trip link and a load-side terminal connected to the bimetal unit, a connecting portion between the coil and the flexible electric wire is welded to an outer surface of the frame. It is characterized by this.
この発明の構成によれば、コイルの一端をフレ
ームに溶接したため、コイルを正確に位置決めで
きるとともにコイルの励磁によりコイルが移動す
るのを防止することができるので感動電流のばら
つきを防止することができる。また可とう電線が
フレームの外側面に位置するのでフレームの内部
のトリツプリンク等のリンク機構の運動を阻害し
ない。 According to the configuration of the present invention, since one end of the coil is welded to the frame, it is possible to accurately position the coil, and it is also possible to prevent the coil from moving due to excitation of the coil, thereby preventing variations in the electric current. . Furthermore, since the flexible wire is located on the outer surface of the frame, it does not inhibit the movement of a link mechanism such as a trip link inside the frame.
実施例
この発明の一実施例を第１図および第２図に基
づいて説明する。すなわち、この回路しや断器
は、トリツプリンク１７、このトリツプリンク１
７にラツチされたラツチリンク１８、このラツチ
リンク１８に支持されてハンドル１９の操作によ
り開閉動作する可動接触子１それぞれ保持したフ
レーム２と、このフレーム２に一体に形成された
ヨーク３にコイル筒４が設けられてコイル筒４内
に固定鉄心５、復帰ばね６およびトリツプリンク
１７を引外しするプランジヤ７を内蔵するととも
にコイル筒４の外周にコイル８を巻回しかつその
一端を可とう電線９を介して可動接触子１に接続
した短絡電流検出用の電磁石１０と、可動接触子
１の可動接点１１に対向する固定接点１２と、こ
の固定接点１２に接続された電源側端子１３と、
フレーム２と絶縁分離して設けられてコイル８の
他端に接続され過電流時にトリツプリンク１７を
引外しするバイメタルユニツト１４と、このバイ
メタルユニツト１４に接続された負荷側端子１５
とを備えた回路しや断器において、コイル８と可
とう電線９との接続部１６をフレーム２の外側面
に溶接している。Embodiment An embodiment of the present invention will be described based on FIGS. 1 and 2. That is, this circuit breaker is trip link 17, trip link 1
A frame 2 holds a latch link 18 latched to the latch link 18, a movable contact 1 supported by the latch link 18 and opened and closed by operating a handle 19, and a coil tube 4 mounted on a yoke 3 integrally formed with the frame 2. A fixed iron core 5, a return spring 6, and a plunger 7 for tripping the trip link 17 are built into the coil tube 4, and a coil 8 is wound around the outer periphery of the coil tube 4, and one end of the coil 8 is connected via a flexible electric wire 9. An electromagnet 10 for short-circuit current detection connected to the movable contact 1, a fixed contact 12 facing the movable contact 11 of the movable contact 1, and a power supply side terminal 13 connected to the fixed contact 12,
A bimetal unit 14 is provided insulated and separated from the frame 2 and is connected to the other end of the coil 8 to trip the trip link 17 in the event of an overcurrent, and a load side terminal 15 connected to the bimetal unit 14.
In the circuit and disconnector equipped with this, a connecting portion 16 between the coil 8 and the flexible wire 9 is welded to the outer surface of the frame 2.
フレーム２の内部のリンク機構において、ハン
ドル１９と可動接触子１とは、ハンドル１９に連
結された反転リンク２０と可動接触子１に連結さ
れたスライドリンク２１が可動軸２２より連結さ
れている。ラツチリンク１８がトリツプリンク１
７にラツチされた状態でハンドル１９を第２図の
状態に操作すると可動接点１１が固定接点１２に
接触し、電源側端子１３と負荷側端子１５との間
に電流が流れる。第２図と反対側すなわち左側に
倒すと開極ばね２３により可動接触子１が開極
し、オフとなる。 In the link mechanism inside the frame 2, the handle 19 and the movable contact 1 are connected by a movable shaft 22 through a reversing link 20 connected to the handle 19 and a slide link 21 connected to the movable contact 1. Latch link 18 is trip link 1
When the handle 19 is operated in the state shown in FIG. 2 with the terminal 7 latched, the movable contact 11 comes into contact with the fixed contact 12, and a current flows between the power supply terminal 13 and the load terminal 15. When the movable contact 1 is tilted to the opposite side of FIG. 2, that is, to the left, the movable contact 1 is opened by the opening spring 23 and turned off.
また可動接触子１の閉極状態で異常電流が流
れ、過電流の場合バイメタルユニツト１４が動作
し、短絡電流の場合電磁石１０が動作して、トリ
ツプリンク１７が引外し動作すると、ラツチリン
ク１８がトリツプリンク１７から釈放され、開極
ばね２３のばね力でスライドリンク２１および可
動軸２２を介してラツチリンク１８が固定軸２４
のまわりを回動し、これにより可動接触子１が開
極動作する。 Further, when an abnormal current flows in the closed state of the movable contact 1, the bimetal unit 14 operates in the case of an overcurrent, and the electromagnet 10 operates in the case of a short circuit current, and when the trip link 17 operates to trip, the latch link 18 The latch link 18 is released from the fixed shaft 24 via the slide link 21 and the movable shaft 22 by the spring force of the opening spring 23.
As a result, the movable contact 1 performs an opening operation.
なお、２５はコイル８とバイメタル１４ａを接
続する可とう電線、２６はハンドル１９の復帰ば
ね、２７は負荷側端子１５の取付ねじ、２８は消
弧装置である。 In addition, 25 is a flexible electric wire connecting the coil 8 and the bimetal 14a, 26 is a return spring of the handle 19, 27 is a mounting screw of the load side terminal 15, and 28 is an arc extinguishing device.
この実施例によれば、コイル８の一端をフレー
ム２に溶接したため、コイル８を正確に位置決め
できるとともにコイル８の励磁によりコイル８が
移動するのを防止することができるので感動電流
のばらつきを防止することができる。また可とう
電線９がフレーム２の外側面に位置するのでフレ
ーム２の内部のトリツプリンク１７等のリンク機
構の運動を阻害しない。 According to this embodiment, since one end of the coil 8 is welded to the frame 2, it is possible to accurately position the coil 8, and it is also possible to prevent the coil 8 from moving due to the excitation of the coil 8, thereby preventing variations in the moving current. can do. Further, since the flexible electric wire 9 is located on the outer surface of the frame 2, it does not inhibit the movement of the link mechanism such as the trip link 17 inside the frame 2.
この発明の回路しや断器によれば、コイルの一
端をフレームに溶接したため、コイルを正確に位
置決めできるとともにコイルの励磁によりコイル
が移動するのを防止することができるので感動電
流のばらつきを防止することができる。また可と
う電線がフレームの外側面に位置するのでフレー
ムの内部のトリツプリンク等のリンク機構の運動
を阻害しないという効果がある。
According to the circuit breaker and disconnector of this invention, since one end of the coil is welded to the frame, it is possible to accurately position the coil, and it is also possible to prevent the coil from moving due to coil excitation, thereby preventing variations in the electric current. can do. Further, since the flexible electric wire is located on the outer surface of the frame, there is an effect that the movement of a link mechanism such as a trip link inside the frame is not inhibited.
第１図はこの発明の一実施例の要部斜視図、第
２図は要部断面図である。
１……可動接触子、２……フレーム、３……ヨ
ーク、４……コイル筒、５……固定鉄心、６……
復帰ばね、７……プランジヤ、８……コイル、９
……可とう電線、１０……電磁石、１１……可動
接点、１２……固定接点、１３……電源側端子、
１４……バイメタルユニツト、１５……負荷側端
子、１６……接続部。
FIG. 1 is a perspective view of a main part of an embodiment of the present invention, and FIG. 2 is a sectional view of a main part. 1...Movable contact, 2...Frame, 3...Yoke, 4...Coil tube, 5...Fixed core, 6...
Return spring, 7... Plunger, 8... Coil, 9
... Flexible wire, 10 ... Electromagnet, 11 ... Movable contact, 12 ... Fixed contact, 13 ... Power supply side terminal,
14...Bimetal unit, 15...Load side terminal, 16...Connection part.
Claims (1)
チされたラツチリンク、このラツチリンクに支持
されてハンドルの操作により開閉動作する可動接
触子をそれぞれ保持したフレームと、このフレー
ムに一体に形成されたヨークにコイル筒が設けら
れて前記コイル筒内に固定鉄心、復帰ばねおよび
前記トリツプリンクを引外しするプランジヤを内
蔵するとともに前記コイル筒の外周にコイルを巻
回しかつその一端を可とう電線を介して前記可動
接触子に接続した短絡電流検出用の電磁石と、前
記可動接触子の可動接点に対向する固定接点と、
この固定接点に接続された電源側端子と、前記フ
レームと絶縁分離して設けられて前記コイルの他
端に接続され過電流時に前記トリツプリンクを引
外しするバイメタルユニツトと、このバイメタル
ユニツトに接続された負荷側端子とを備えた回路
しや断器において、前記コイルと可とう電線との
接続部を前記フレームの外側面に溶接したことを
特徴とする回路しや断器。1 A trip link, a latch link latched to this trip link, a frame that holds a movable contact that is supported by this latch link and opens and closes by operating a handle, and a coil tube is provided on a yoke that is integrally formed with this frame. A short circuit in which a fixed core, a return spring, and a plunger for tripping the trip link are built into the coil cylinder, and a coil is wound around the outer periphery of the coil cylinder, and one end of the coil is connected to the movable contact via a flexible electric wire. an electromagnet for current detection; a fixed contact facing the movable contact of the movable contact;
A power supply side terminal connected to this fixed contact, a bimetal unit provided insulated and separated from the frame and connected to the other end of the coil to trip the trip link in the event of an overcurrent, and a bimetal unit connected to the bimetal unit. 1. A circuit breaker having a load side terminal, characterized in that a connecting portion between the coil and the flexible electric wire is welded to an outer surface of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14961080A JPS5765636A (en) | 1980-10-23 | 1980-10-23 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14961080A JPS5765636A (en) | 1980-10-23 | 1980-10-23 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5765636A JPS5765636A (en) | 1982-04-21 |
| JPS6340344B2 true JPS6340344B2 (en) | 1988-08-10 |
Family
ID=15478962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14961080A Granted JPS5765636A (en) | 1980-10-23 | 1980-10-23 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5765636A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5355760U (en) * | 1976-10-15 | 1978-05-12 | ||
| JPS5355760A (en) * | 1976-11-01 | 1978-05-20 | Horiba Ltd | Electric signal processing power supply circuit |
-
1980
- 1980-10-23 JP JP14961080A patent/JPS5765636A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5765636A (en) | 1982-04-21 |
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