JPS57721A - Temperature controller - Google Patents
Temperature controllerInfo
- Publication number
- JPS57721A JPS57721A JP7536180A JP7536180A JPS57721A JP S57721 A JPS57721 A JP S57721A JP 7536180 A JP7536180 A JP 7536180A JP 7536180 A JP7536180 A JP 7536180A JP S57721 A JPS57721 A JP S57721A
- Authority
- JP
- Japan
- Prior art keywords
- scr3
- circuit
- overheating
- zero
- resistance
- 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.)
- Granted
Links
- 101000668170 Homo sapiens RNA-binding motif, single-stranded-interacting protein 2 Proteins 0.000 abstract 4
- 102100039690 RNA-binding motif, single-stranded-interacting protein 2 Human genes 0.000 abstract 4
- 238000013021 overheating Methods 0.000 abstract 3
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
Landscapes
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Abstract
PURPOSE: To perform fail-safe operation when something is wrong with equipment, by preventing the secular change of the overheating layer of an overheating sense wire by controlling a feed control element with a zero control element without using a pulse generating element.
CONSTITUTION: Between power terminals 1 and 8, the series circuit of the heating wire 2 of an overheating sensing and heating body, the cathode and anode of an SCR3, and a fuse 7 is connected and the SCR3 is controlled by a zero-voltage switching circuit. This switching circuit is composed of a capacitor 9 connected to the SCR3, a constant-voltage diode 11, a programmable unijunction transistor PUT 12, and a resistor 10. Further, a DC converting circuit is fabricated of the series circuit of a temperature setting resistance 16, the 1st conductor 17 of a temperature sensing body, a DC stopping capacitor 18, and a resistance 19, and the circuit of a diode 20 and a resistance 21. Then, the SCR3 is a controlled by the zero-voltage switching circuit to prevent the secular change of the 2nd heat-sensing layer 26 of the temperature sensing body, thus performing fail-safe operation for an equipment fault.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7536180A JPS57721A (en) | 1980-06-03 | 1980-06-03 | Temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7536180A JPS57721A (en) | 1980-06-03 | 1980-06-03 | Temperature controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57721A true JPS57721A (en) | 1982-01-05 |
| JPH0211923B2 JPH0211923B2 (en) | 1990-03-16 |
Family
ID=13574000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7536180A Granted JPS57721A (en) | 1980-06-03 | 1980-06-03 | Temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339017A (en) * | 2016-11-17 | 2017-01-18 | 国家电网公司 | Shaft sleeve heater and method for heating shaft sleeve by using the same |
-
1980
- 1980-06-03 JP JP7536180A patent/JPS57721A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339017A (en) * | 2016-11-17 | 2017-01-18 | 国家电网公司 | Shaft sleeve heater and method for heating shaft sleeve by using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0211923B2 (en) | 1990-03-16 |
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