JPS569812A - Temperature control circuit of surface heating element - Google Patents
Temperature control circuit of surface heating elementInfo
- Publication number
- JPS569812A JPS569812A JP8574279A JP8574279A JPS569812A JP S569812 A JPS569812 A JP S569812A JP 8574279 A JP8574279 A JP 8574279A JP 8574279 A JP8574279 A JP 8574279A JP S569812 A JPS569812 A JP S569812A
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- temperature
- surface heating
- circuit
- prevention part
- 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
- 238000010438 heat treatment Methods 0.000 title abstract 7
- 230000002265 prevention Effects 0.000 abstract 4
- 230000002159 abnormal effect Effects 0.000 abstract 3
- 238000007664 blowing Methods 0.000 abstract 1
- 239000000284 extract Substances 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
Landscapes
- Control Of Temperature (AREA)
- Control Of Resistance Heating (AREA)
Abstract
PURPOSE: To improve electric safety by providing a temperature superincrease prevention part that operates when a surface heating element superincreases in temperature due to abnormal generation so as to cut off the supply of a circuit electric power source and then by inhibiting the prevention part from operating except in the abnormal temperature rise of the surface heating body.
CONSTITUTION: Temperature superincrease prevention part 10 is provided which extracts signals when heating element 2 is being turned on by insulating in terms of a circuit and is put into operation being switched by the signals. The above-mentioned constitution evades the trouble that even after the short-circuit state between heating element 2 and heat-sensitive electrode 3 is reset, the blowing of temperature fuse Fu causes the circuit not to be operated. Additionally, temperature superincrease prevention part 10 never operates except in the abnormal temperature rise of surface heating element 1. Further, since the part is switched by the extracted signal with isolation, any electric shock is not got even by touching surface heating element 1 exept in electric power feed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8574279A JPS569812A (en) | 1979-07-05 | 1979-07-05 | Temperature control circuit of surface heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8574279A JPS569812A (en) | 1979-07-05 | 1979-07-05 | Temperature control circuit of surface heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS569812A true JPS569812A (en) | 1981-01-31 |
Family
ID=13867289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8574279A Pending JPS569812A (en) | 1979-07-05 | 1979-07-05 | Temperature control circuit of surface heating element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS569812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60174990U (en) * | 1984-04-24 | 1985-11-20 | ホーチキ株式会社 | Abnormal condition receiving device tester |
-
1979
- 1979-07-05 JP JP8574279A patent/JPS569812A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60174990U (en) * | 1984-04-24 | 1985-11-20 | ホーチキ株式会社 | Abnormal condition receiving device tester |
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