JPS5931037U - temperature detection device - Google Patents
temperature detection deviceInfo
- Publication number
- JPS5931037U JPS5931037U JP12623682U JP12623682U JPS5931037U JP S5931037 U JPS5931037 U JP S5931037U JP 12623682 U JP12623682 U JP 12623682U JP 12623682 U JP12623682 U JP 12623682U JP S5931037 U JPS5931037 U JP S5931037U
- Authority
- JP
- Japan
- Prior art keywords
- potential
- circuit
- temperature
- fixed resistor
- sensing 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
- 238000001514 detection method Methods 0.000 title description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (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
図面は本考案の温度検出装置の回路図である。
１・・・ヒーター、５・・・ブリッジ回路、６．７・・
・抵抗、８・・・感温素子、９・・・固定抵抗、１０ａ
〜１０ｄ・・・調整抵抗群、１５・・・遮断トランジス
タ、１６・・・電圧比較器、１７・・・制御回路。The drawing is a circuit diagram of the temperature detection device of the present invention. 1... Heater, 5... Bridge circuit, 6.7...
・Resistance, 8... Temperature sensing element, 9... Fixed resistance, 10a
~10d... Adjustment resistor group, 15... Cutoff transistor, 16... Voltage comparator, 17... Control circuit.
Claims (1)
抵抗変化を有する感温素子と高抵抗値の固定抵抗との直
列回路とし夫々の直列回路の両端を接続してブリッジ回
路を構成し、該ブリッジ回路の固定抵抗に並列接続され
所望温度を設定する調整抵抗と、通電初期において前記
ブリッジ回路の一辺の固定抵抗と感温素子の接続部の電
位が該感温素子の正常最大抵抗値の時の電位よりも小さ
いことを検出しその出力を変化する電圧比較器と、通電
初期において前記調整抵抗を固定抵抗より遮断し前記電
位比較器の出力変化によつそヒータ回路への通電を遮断
する制御回路を設けたことを特徴とする温度制御装置。One side is a series circuit of two resistors, and the other side is a series circuit of a temperature sensing element whose resistance changes negatively depending on temperature and a fixed resistor with a high resistance value.Both ends of each series circuit are connected to form a bridge circuit. , an adjustment resistor connected in parallel to the fixed resistor of the bridge circuit to set a desired temperature, and a potential at the connection point between the fixed resistor on one side of the bridge circuit and the temperature sensing element at the initial stage of energization to the normal maximum resistance value of the temperature sensing element. a voltage comparator that detects that the potential is smaller than the potential at the time of , and changes its output; and a voltage comparator that cuts off the adjustment resistor from the fixed resistor at the initial stage of energization, and energizes the heater circuit depending on the change in the output of the potential comparator. A temperature control device characterized by being provided with a control circuit that shuts off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12623682U JPS5931037U (en) | 1982-08-20 | 1982-08-20 | temperature detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12623682U JPS5931037U (en) | 1982-08-20 | 1982-08-20 | temperature detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5931037U true JPS5931037U (en) | 1984-02-27 |
Family
ID=30287117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12623682U Pending JPS5931037U (en) | 1982-08-20 | 1982-08-20 | temperature detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5931037U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5065069A (en) * | 1973-10-15 | 1975-06-02 | ||
| JPS54115571A (en) * | 1978-02-28 | 1979-09-08 | Matsushita Electric Works Ltd | Lighting fixture |
-
1982
- 1982-08-20 JP JP12623682U patent/JPS5931037U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5065069A (en) * | 1973-10-15 | 1975-06-02 | ||
| JPS54115571A (en) * | 1978-02-28 | 1979-09-08 | Matsushita Electric Works Ltd | Lighting fixture |
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