JPS61201114U - - Google Patents
Info
- Publication number
- JPS61201114U JPS61201114U JP8301985U JP8301985U JPS61201114U JP S61201114 U JPS61201114 U JP S61201114U JP 8301985 U JP8301985 U JP 8301985U JP 8301985 U JP8301985 U JP 8301985U JP S61201114 U JPS61201114 U JP S61201114U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- points
- transistor
- control device
- thermocouples
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Description
第１図はこの考案の一実施例による温度制御装
置を示す回路図、第２図は従来の温度制御装置を
示す回路図である。
３……ヒータ、４，５……熱電対、６，７……
抵抗体、８……増幅器、９……トランジスタ、１
０……継電器、１０ａ……継電器の接点。なお、
図中、同一符号は同一または相当部分を示す。
FIG. 1 is a circuit diagram showing a temperature control device according to an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional temperature control device. 3... Heater, 4, 5... Thermocouple, 6, 7...
Resistor, 8...Amplifier, 9...Transistor, 1
0...Relay, 10a...Relay contact. In addition,
In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
ヒータをＯＮ、ＯＦＦさせ、一方側の温度を制御
するようにした温度制御装置において、上記二点
のそれぞれに設置された熱電対と、これら熱電対
とブリツジ状に接続された二組の抵抗体と上記熱
電対の正極側に接続された増幅器と、この増幅器
の出力側に接続されたトランジスタと、このトラ
ンジスタに接続された継電器を備え、上記二点間
の温度差により、上記トランジスタを導通または
不導通にさせるとともに、上記継電器を動作させ
、上記ヒータをＯＮ、ＯＦＦさせるようにしたこ
とを特徴とする温度制御装置。 In a temperature control device that detects the temperature between two points and controls the temperature of one side by turning on and off the heater according to the detection signal, a thermocouple installed at each of the two points, It includes two sets of resistors connected to these thermocouples in a bridge shape, an amplifier connected to the positive electrode side of the thermocouples, a transistor connected to the output side of this amplifier, and a relay connected to this transistor. . A temperature control device, characterized in that the transistor is made conductive or non-conductive, the relay is operated, and the heater is turned on and off based on the temperature difference between the two points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8301985U JPS61201114U (en) | 1985-05-30 | 1985-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8301985U JPS61201114U (en) | 1985-05-30 | 1985-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61201114U true JPS61201114U (en) | 1986-12-17 |
Family
ID=30631267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8301985U Pending JPS61201114U (en) | 1985-05-30 | 1985-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61201114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170101036A (en) * | 2016-02-26 | 2017-09-05 | 엘에스산전 주식회사 | Digital protection relay and controlling method thereof |
-
1985
- 1985-05-30 JP JP8301985U patent/JPS61201114U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170101036A (en) * | 2016-02-26 | 2017-09-05 | 엘에스산전 주식회사 | Digital protection relay and controlling method thereof |