JPH0239445U - - Google Patents
Info
- Publication number
- JPH0239445U JPH0239445U JP11784988U JP11784988U JPH0239445U JP H0239445 U JPH0239445 U JP H0239445U JP 11784988 U JP11784988 U JP 11784988U JP 11784988 U JP11784988 U JP 11784988U JP H0239445 U JPH0239445 U JP H0239445U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- side terminal
- main circuit
- temperature sensor
- load side
- 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
- 239000004020 conductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の一実施例を示す構成図、第
２図は事前警報装置の動作説明用波形図、第３図
は第１図に示した実施例の過電流引外し特性およ
び事前警報特性を示す曲線図、第４図は従来のし
や断器を示す構成図、そして第５図は第４図に示
したしや断器の過電流引外し特性を示す曲線図で
ある。
図において、１は電源側端子、２は固定接触子
、３は固定接点、４は負荷側端子、５は負荷側導
体、６は可撓性導体、７は可動接触子、８は可動
接点、１０はリンク部、１２はラツチ機構部、２
０は事前警報装置、２１は温度センサとしての熱
電対、２２は事前警報回路である。なお、各図中
、同一符号は同一又は相当部分を示す。
Fig. 1 is a configuration diagram showing an embodiment of this invention, Fig. 2 is a waveform diagram for explaining the operation of the advance warning device, and Fig. 3 is the overcurrent tripping characteristic and advance warning of the embodiment shown in Fig. 1. FIG. 4 is a diagram showing the configuration of a conventional shingle breaker, and FIG. 5 is a curve diagram showing the overcurrent tripping characteristics of the shingle breaker shown in FIG. 4. In the figure, 1 is a power supply side terminal, 2 is a fixed contact, 3 is a fixed contact, 4 is a load side terminal, 5 is a load side conductor, 6 is a flexible conductor, 7 is a movable contact, 8 is a movable contact, 10 is a link part, 12 is a latch mechanism part, 2
0 is an advance warning device, 21 is a thermocouple as a temperature sensor, and 22 is an advance warning circuit. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
過電流を検出して前記主回路をしや断するしや断
器において、前記主回路の負荷側導体に接続され
、この負荷側導体と接続された前記負荷側端子で
の温度上昇を検出する温度センサ、およびこの温
度センサに接続され、その検出温度が所定の設定
温度を超えると前記しや断の引外し前に警報信号
を発生する事前警報回路を有する事前警報装置を
備えたことを特徴とする温度警報付しや断器。 A disconnector that detects an overcurrent flowing in the main circuit between the power supply side terminal and the load side terminal and disconnects the main circuit, is connected to the load side conductor of the main circuit, and is connected to the load side conductor. a temperature sensor that detects a temperature rise at the connected load-side terminal; and a temperature sensor that is connected to the temperature sensor and generates an alarm signal before the sheath is tripped when the detected temperature exceeds a predetermined set temperature. A temperature warning and disconnection switch characterized by being equipped with an advance warning device having an advance warning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11784988U JPH0239445U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11784988U JPH0239445U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0239445U true JPH0239445U (en) | 1990-03-16 |
Family
ID=31361670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11784988U Pending JPH0239445U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0239445U (en) |
-
1988
- 1988-09-09 JP JP11784988U patent/JPH0239445U/ja active Pending
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