JPS59109089U - Overheat protection device for heaters, etc. - Google Patents
Overheat protection device for heaters, etc.Info
- Publication number
- JPS59109089U JPS59109089U JP295783U JP295783U JPS59109089U JP S59109089 U JPS59109089 U JP S59109089U JP 295783 U JP295783 U JP 295783U JP 295783 U JP295783 U JP 295783U JP S59109089 U JPS59109089 U JP S59109089U
- Authority
- JP
- Japan
- Prior art keywords
- protection device
- overheat protection
- heaters
- coefficient thermistor
- relay
- 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
- Control Of Resistance Heating (AREA)
- Resistance Heating (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の１実施例を示す電気的結線図、第２図
は正特性サーミスタの温度−抵抗値特性線図である。
正特性サーミスタ・・・３、リレー・・・２、発熱物・
・・１゜FIG. 1 is an electrical connection diagram showing one embodiment of the present invention, and FIG. 2 is a temperature-resistance characteristic diagram of a positive temperature coefficient thermistor. Positive characteristic thermistor...3, relay...2, heating element...
・・1゜
Claims (1)
発熱物の近傍に置かれた上記正特性サーミスタの温度が
高くなったとき、上記リレーの印加電圧がその復帰電圧
以下となるように設定したことを特徴とするヒータ等の
過熱保護装置。A positive temperature coefficient thermistor and a relay are connected in series, and set so that when the temperature of the positive coefficient thermistor placed near a heat generating object such as a heater rises, the voltage applied to the relay becomes equal to or lower than its return voltage. An overheat protection device for a heater, etc., characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP295783U JPS59109089U (en) | 1983-01-13 | 1983-01-13 | Overheat protection device for heaters, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP295783U JPS59109089U (en) | 1983-01-13 | 1983-01-13 | Overheat protection device for heaters, etc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59109089U true JPS59109089U (en) | 1984-07-23 |
Family
ID=30134598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP295783U Pending JPS59109089U (en) | 1983-01-13 | 1983-01-13 | Overheat protection device for heaters, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59109089U (en) |
-
1983
- 1983-01-13 JP JP295783U patent/JPS59109089U/en active Pending
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