JPS5479386A - Temperature controller - Google Patents
Temperature controllerInfo
- Publication number
- JPS5479386A JPS5479386A JP14737577A JP14737577A JPS5479386A JP S5479386 A JPS5479386 A JP S5479386A JP 14737577 A JP14737577 A JP 14737577A JP 14737577 A JP14737577 A JP 14737577A JP S5479386 A JPS5479386 A JP S5479386A
- Authority
- JP
- Japan
- Prior art keywords
- heating
- circuit
- wire
- temp
- short
- 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 Temperature (AREA)
- Control Of Resistance Heating (AREA)
Abstract
PURPOSE: To obtain a temp controller of an electric blanket, etc. that can maintain safety all the time by interrupting a circuit when a switching element is in troubles and overcurrent flows through a heating wire to result in overheat and can ensure safety even when a short-circuit wire is disconnected.
CONSTITUTION: When turning a switch ON, current flows through a switch 2, a diode D8, a short-circuit wire 10 of a heating resistor 4, a resistance R11, D 12, R 13∼15 and a temp fuse 7 from a power source 1, a thyristor 6 is in ON and a heating wire 5 of the heating resistor 4 is conducted in a circuit of said heating wire 5 and the thyristor 6. When temp rises up to the set value by the heating, the thyristor 6 is in OFF by the ON of a transistor Tr31, and conduction to the heating wire 5 is stopped. When the temp of the heating wire 5 continues to rise due to the troubles, etc. of the Tr31 at that time, a thermistor 9 dissolves, the heating wire 5 and the short-circuit wire 10 short-circuit and the temp fuse 7 is melted by the heating of a resistance 17.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14737577A JPS5479386A (en) | 1977-12-07 | 1977-12-07 | Temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14737577A JPS5479386A (en) | 1977-12-07 | 1977-12-07 | Temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5479386A true JPS5479386A (en) | 1979-06-25 |
Family
ID=15428802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14737577A Pending JPS5479386A (en) | 1977-12-07 | 1977-12-07 | Temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5479386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6237712A (en) * | 1985-08-12 | 1987-02-18 | Matsushita Electric Ind Co Ltd | Temperature controller |
| ES2103228A1 (en) * | 1994-07-08 | 1997-09-01 | Especialidades Electricas Daga | Safety device for electric pads, blankets and similar items. |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025817B1 (en) * | 1969-03-27 | 1975-08-27 | ||
| JPS5140272A (en) * | 1974-10-02 | 1976-04-03 | Hitachi Netsu Kigu Kk | ONDOSEIGYO SOCHI |
-
1977
- 1977-12-07 JP JP14737577A patent/JPS5479386A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5025817B1 (en) * | 1969-03-27 | 1975-08-27 | ||
| JPS5140272A (en) * | 1974-10-02 | 1976-04-03 | Hitachi Netsu Kigu Kk | ONDOSEIGYO SOCHI |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6237712A (en) * | 1985-08-12 | 1987-02-18 | Matsushita Electric Ind Co Ltd | Temperature controller |
| ES2103228A1 (en) * | 1994-07-08 | 1997-09-01 | Especialidades Electricas Daga | Safety device for electric pads, blankets and similar items. |
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