JPS6189912U - - Google Patents
Info
- Publication number
- JPS6189912U JPS6189912U JP17271884U JP17271884U JPS6189912U JP S6189912 U JPS6189912 U JP S6189912U JP 17271884 U JP17271884 U JP 17271884U JP 17271884 U JP17271884 U JP 17271884U JP S6189912 U JPS6189912 U JP S6189912U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- reference voltage
- relay
- voltage
- switching element
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
Landscapes
- Control Of Temperature (AREA)
Description
第１図は本考案の温度制御回路、第２図は同じ
く各部の電圧波形である。
１……交流電源、３……ヒータ、４……温度検
知体、５Ａ，５Ｂ……検知線、６……感熱層、７
……変換回路、１４……基準電圧回路、２０……
比較回路、２１……積分回路、２２……サーミス
タ、２３……コンデンサ、２４……スイツチング
素子、２５……リレー、２６……接点。
FIG. 1 shows the temperature control circuit of the present invention, and FIG. 2 shows voltage waveforms at various parts. 1... AC power supply, 3... Heater, 4... Temperature sensing body, 5A, 5B... Sensing wire, 6... Heat sensitive layer, 7
... Conversion circuit, 14 ... Reference voltage circuit, 20 ...
Comparison circuit, 21... Integrating circuit, 22... Thermistor, 23... Capacitor, 24... Switching element, 25... Relay, 26... Contact.
Claims (1)
に負の抵抗温度特性を有する感熱層を設けた温度
検知体と、前記感熱層の抵抗変化を直流信号に変
換する変換回路と、直流の基準電圧を取り出す基
準電圧回路と、前記変換回路の出力電圧と基準電
圧回路の基準電圧とを比較する比較回路と、前記
ヒータと交流電源間に介在した接点を開閉するリ
レーと、前記比較回路の出力により前記リレーを
駆動するスイツチング素子とからなり、前記比較
回路とスイツチング素子との間にサーミスタとコ
ンデンサからなる積分回路を介在せしめたことを
特徴とする温度制御回路。 A heater connected to an AC power supply, a temperature sensing body having a heat-sensitive layer having a negative resistance-temperature characteristic between a pair of sensing wires, a conversion circuit that converts a change in resistance of the heat-sensitive layer into a DC signal, and a DC reference. a reference voltage circuit for extracting voltage; a comparison circuit for comparing the output voltage of the conversion circuit with the reference voltage of the reference voltage circuit; a relay for opening and closing contacts interposed between the heater and the AC power source; and an output of the comparison circuit. 1. A temperature control circuit comprising: a switching element for driving the relay, and an integrating circuit comprising a thermistor and a capacitor interposed between the comparison circuit and the switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17271884U JPS6189912U (en) | 1984-11-14 | 1984-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17271884U JPS6189912U (en) | 1984-11-14 | 1984-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6189912U true JPS6189912U (en) | 1986-06-11 |
Family
ID=30730380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17271884U Pending JPS6189912U (en) | 1984-11-14 | 1984-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6189912U (en) |
-
1984
- 1984-11-14 JP JP17271884U patent/JPS6189912U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6189912U (en) | ||
| JPS5837819U (en) | electric rice cooker | |
| JPS61181957U (en) | ||
| JPS5824688U (en) | Refrigerator dew prevention device | |
| JPS624091U (en) | ||
| JPS61117436U (en) | ||
| JPS6258884U (en) | ||
| JPS6219088U (en) | ||
| JPH0239746U (en) | ||
| JPS59182721U (en) | temperature control device | |
| JPS6337128U (en) | ||
| JPH02150515U (en) | ||
| JPS6319171U (en) | ||
| JPH0362490U (en) | ||
| JPS6192400U (en) | ||
| JPH0228991U (en) | ||
| JPH01120083U (en) | ||
| JPS6248638U (en) | ||
| JPS6371505U (en) | ||
| JPS6154114U (en) | ||
| JPH0252262U (en) | ||
| JPS6319959U (en) | ||
| JPS6336427U (en) | ||
| JPS61125779U (en) | ||
| JPS61177543U (en) |