JPS594022U - temperature control device - Google Patents
temperature control deviceInfo
- Publication number
- JPS594022U JPS594022U JP9628782U JP9628782U JPS594022U JP S594022 U JPS594022 U JP S594022U JP 9628782 U JP9628782 U JP 9628782U JP 9628782 U JP9628782 U JP 9628782U JP S594022 U JPS594022 U JP S594022U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- control device
- heat sensitive
- temperature control
- voltage
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示すものであり、第1図は電
気回路図、第2図は過熱感知発熱体の斜視図、第3図は
感熱体の斜視図、第4図は感熱体の等価回路を示す図、
第5図は感熱体の温度特性図、第6図は電気回路中の電
圧又は電流波形を示す図である。
図面中、1は電気毛布本体、2は過熱感知発熱体(発熱
体)、3は感熱体、4,5は交流電源端子、6はサイリ
スタ(スイッチング素子)、8及び9は抵抗及び可変抵
抗(分圧抵抗)、13は分圧回路、26は温度検出回路
、32はオペアンプ、33はダイオード、34はコンデ
ンサ、45は制御回路である。The drawings show one embodiment of the present invention, and Fig. 1 is an electric circuit diagram, Fig. 2 is a perspective view of an overheat sensing heating element, Fig. 3 is a perspective view of a heat sensitive element, and Fig. 4 is a perspective view of a heat sensitive element. A diagram showing the equivalent circuit of
FIG. 5 is a temperature characteristic diagram of the heat sensitive body, and FIG. 6 is a diagram showing voltage or current waveforms in an electric circuit. In the drawing, 1 is the electric blanket body, 2 is an overheat sensing heating element (heating element), 3 is a heat sensitive element, 4 and 5 are AC power terminals, 6 is a thyristor (switching element), 8 and 9 are resistors and variable resistors ( 13 is a voltage dividing circuit, 26 is a temperature detection circuit, 32 is an operational amplifier, 33 is a diode, 34 is a capacitor, and 45 is a control circuit.
Claims (1)
スイッチング素子の直列回路と、前記交流電源端子間に
設けられた分圧抵抗及び負めインピーダンス特性を有す
る感熱体の直列回路と、前記感熱体と並列に接続され該
感熱体のインピーダンス値と同等以上の抵抗値を有する
抵抗にて分圧する分圧回路と、この分圧回路の検出電圧
を整流し平滑するように設けられたオペアンプ及びダイ
オード並びにコンデンサからなる温度検出回路と、この
温度検出回路のコンデンサの端子電圧を基準電圧と比較
しその比較結果に応じて前記スイッチング素子を制御す
る制御回路とを具備してなる温度制御装置。 2 温度検出回路は、検出電圧のピーク値を記憶するピ
ークホルト回路を構成していることを特徴とする実用新
案登録請求の範囲第1項に記載の温度制御装置。[Claims for Utility Model Registration] ゛ A series circuit of a heating element and a switching element provided between a pair of AC power supply terminals, a voltage dividing resistor provided between the AC power supply terminals, and a heat sensitive device having negative impedance characteristics. a series circuit of the body, a voltage dividing circuit that divides the voltage using a resistor connected in parallel with the heat sensitive body and having a resistance value equal to or higher than the impedance value of the heat sensitive body, and rectifying and smoothing the detected voltage of this voltage dividing circuit. A temperature detection circuit comprising an operational amplifier, a diode, and a capacitor provided as shown in FIG. temperature control device. 2. The temperature control device according to claim 1, wherein the temperature detection circuit constitutes a peak halt circuit that stores the peak value of the detected voltage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9628782U JPS594022U (en) | 1982-06-25 | 1982-06-25 | temperature control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9628782U JPS594022U (en) | 1982-06-25 | 1982-06-25 | temperature control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS594022U true JPS594022U (en) | 1984-01-11 |
Family
ID=30229536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9628782U Pending JPS594022U (en) | 1982-06-25 | 1982-06-25 | temperature control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS594022U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4881666A (en) * | 1972-01-31 | 1973-11-01 |
-
1982
- 1982-06-25 JP JP9628782U patent/JPS594022U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4881666A (en) * | 1972-01-31 | 1973-11-01 |
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