JPS62132451U - - Google Patents
Info
- Publication number
- JPS62132451U JPS62132451U JP2043486U JP2043486U JPS62132451U JP S62132451 U JPS62132451 U JP S62132451U JP 2043486 U JP2043486 U JP 2043486U JP 2043486 U JP2043486 U JP 2043486U JP S62132451 U JPS62132451 U JP S62132451U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- sensitive resistor
- atmosphere
- constant current
- heats
- 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 description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案による湿度検知回路図、第２図
は本考案による半導体制御素子の熱損失の低減効
果を表わすグラフ、第３図は従来の湿度検知回路
図、第４図は仕上り検知回路の出力電圧の時間特
性の概略を表わす線図である。
Ａ：定電流回路、Ｈ：第一感温抵抗、Ｎ：第二
感温抵抗、ＯＰ１，ＯＰ２：演算増幅器、Ｑ：半
導体制御素子、Ｒ：分流抵抗器、ＲＳ，ＲＢ，Ｒ
ｆ：抵抗器、Ｖｃｃ，Ｖｒｅｆ：直流電源。
Fig. 1 is a humidity detection circuit diagram according to the present invention, Fig. 2 is a graph showing the effect of reducing heat loss of a semiconductor control element according to the present invention, Fig. 3 is a conventional humidity detection circuit diagram, and Fig. 4 is a finished detection circuit. FIG. 2 is a diagram schematically showing the time characteristics of the output voltage of FIG. A: Constant current circuit, H: First temperature sensitive resistor, N: Second temperature sensitive resistor, OP1, OP2: Operational amplifier, Q: Semiconductor control element, R: Shunt resistor, RS, RB, R
f: resistor, Vcc, Vref: DC power supply.
Claims (1)
、雰囲気中に配された雰囲気温度検出用の第二感
温抵抗と、第一感温抵抗を自己加熱するための定
電流回路とを具え、該定電流回路は、電流増幅用
の半導体制御素子と、該半導体素子と並列に接続
された分流抵抗器とが設けられたことを特徴とす
る湿度検知回路。 It includes a first temperature-sensitive resistor that is placed in the atmosphere and heats itself, a second temperature-sensitive resistor that is placed in the atmosphere for detecting the ambient temperature, and a constant current circuit that self-heats the first temperature-sensitive resistor. . A humidity detection circuit, wherein the constant current circuit is provided with a semiconductor control element for current amplification, and a shunt resistor connected in parallel with the semiconductor element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2043486U JPS62132451U (en) | 1986-02-14 | 1986-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2043486U JPS62132451U (en) | 1986-02-14 | 1986-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62132451U true JPS62132451U (en) | 1987-08-21 |
Family
ID=30815941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2043486U Pending JPS62132451U (en) | 1986-02-14 | 1986-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62132451U (en) |
-
1986
- 1986-02-14 JP JP2043486U patent/JPS62132451U/ja active Pending
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