JPS5798826A - Temperature detecting element - Google Patents
Temperature detecting elementInfo
- Publication number
- JPS5798826A JPS5798826A JP17632180A JP17632180A JPS5798826A JP S5798826 A JPS5798826 A JP S5798826A JP 17632180 A JP17632180 A JP 17632180A JP 17632180 A JP17632180 A JP 17632180A JP S5798826 A JPS5798826 A JP S5798826A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- ferromagnetic
- holding plate
- oven
- lead wire
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/26—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a permeability varying with temperature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
PURPOSE:To enable the temperature detecting element to be used in a temperature control function and in a overheat preventing function, by providing ferromagnetic holding plate in the vicinity of the other surface of a ferromagnetic substrate, and providing an electric contact which is opened and closed in response to the change in the mechanical position of said holding plate. CONSTITUTION:In the case the heater of an electric oven is heated to keep the temperature in the oven at a specified temperature, an electronic circuit 7 detects the temerature in the oven by an electric signal from a thin film thermistor element through a lead wire 4 and supplies the power corresponding to the difference between a specified temperature and said temperature to a heater load 10 through a lead wire 9. At the temperature lower than the Curie point Tc of two Curie points of the ferromagnetic substrate 1 and the ferromagnetic holding plate 5, they magnetically attract or repell to each other since both are ferromagnetic bodies. Meanwhile, at the tmeperature higher than Tc, there is no magnetic action between them. Therefore, by utilizing the presence or absence of the magnetic action based on whether the temperature is higher or lower than Tc, the mechanical position of the ferromagnetic holding plate 5 can be changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17632180A JPS5798826A (en) | 1980-12-12 | 1980-12-12 | Temperature detecting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17632180A JPS5798826A (en) | 1980-12-12 | 1980-12-12 | Temperature detecting element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5798826A true JPS5798826A (en) | 1982-06-19 |
Family
ID=16011533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17632180A Pending JPS5798826A (en) | 1980-12-12 | 1980-12-12 | Temperature detecting element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5798826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128517A (en) * | 1986-11-19 | 1988-06-01 | 津村 和夫 | Breaker |
-
1980
- 1980-12-12 JP JP17632180A patent/JPS5798826A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128517A (en) * | 1986-11-19 | 1988-06-01 | 津村 和夫 | Breaker |
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