JPS641451U - - Google Patents
Info
- Publication number
- JPS641451U JPS641451U JP9642087U JP9642087U JPS641451U JP S641451 U JPS641451 U JP S641451U JP 9642087 U JP9642087 U JP 9642087U JP 9642087 U JP9642087 U JP 9642087U JP S641451 U JPS641451 U JP S641451U
- Authority
- JP
- Japan
- Prior art keywords
- thermoferrite
- coefficient thermistor
- tripping
- positive
- temperature coefficient
- 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.)
- Pending
Links
Landscapes
- Thermistors And Varistors (AREA)
- Breakers (AREA)
- Thermally Actuated Switches (AREA)
Description
第１図は本考案の一実施例を示すサーキツトブ
レーカの縦断正面図、第２図は同上斜視図、第３
図ないし第６図は同上動作説明図、第７図は同上
正特性サーミスタの電圧―電流特性の対数グラフ
図、第８図は同上正特性サーミスタの抵抗―温度
特性図である。
２…引き外し機構、３…接点機構、４…正特性
サーミスタ、５…サーモフエライト、７…引き外
し機構２の伝達レバー、１０…引き外し機構２の
操作レバー、１５…磁石、１８…引き外し機構２
のばね、２０…接点機構３の固定接点、２４…接
点機構３の可動接点、２５…接点機構３の可動接
片。
Fig. 1 is a vertical sectional front view of a circuit breaker showing one embodiment of the present invention, Fig. 2 is a perspective view of the same, and Fig. 3 is a longitudinal sectional front view of a circuit breaker showing an embodiment of the present invention.
6 to 6 are explanatory diagrams of the operation of the same, FIG. 7 is a logarithmic graph of voltage-current characteristics of the positive temperature coefficient thermistor, and FIG. 8 is a resistance-temperature characteristic diagram of the positive coefficient thermistor. 2...Tripping mechanism, 3...Contact mechanism, 4...Positive characteristic thermistor, 5...Thermoferrite, 7...Transmission lever of the tripping mechanism 2, 10...Operation lever of the tripping mechanism 2, 15...Magnet, 18...Tripping Mechanism 2
20... Fixed contact of the contact mechanism 3, 24... Movable contact of the contact mechanism 3, 25... Movable contact piece of the contact mechanism 3.
Claims (1)
近傍に配設されかつこの正特性サーミスタから熱
伝導されるサーモフエライトと、このサーモフエ
ライトに吸着される磁石を有し前記サーモフエラ
イトの温度上昇による吸着力の変化で磁石とサー
モフエライトとの離反により引き外し動作する引
き外し機構と、この引き外し機構の引き外し動作
によつて開放される接点機構とを具備したことを
特徴とするサーキツトブレーカ。 It has a positive temperature coefficient thermistor, a thermoferrite disposed near the positive coefficient thermistor to which heat is conducted from the positive temperature coefficient thermistor, and a magnet attracted to the thermoferrite. 1. A circuit breaker comprising: a tripping mechanism that performs a tripping operation when a magnet and a thermoferrite separate from each other upon change; and a contact mechanism that is opened by the tripping operation of the tripping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9642087U JPS641451U (en) | 1987-06-23 | 1987-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9642087U JPS641451U (en) | 1987-06-23 | 1987-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS641451U true JPS641451U (en) | 1989-01-06 |
Family
ID=30962143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9642087U Pending JPS641451U (en) | 1987-06-23 | 1987-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641451U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5065885A (en) * | 1973-10-15 | 1975-06-03 |
-
1987
- 1987-06-23 JP JP9642087U patent/JPS641451U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5065885A (en) * | 1973-10-15 | 1975-06-03 |
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