JPS6112053U - humidity detection circuit - Google Patents
humidity detection circuitInfo
- Publication number
- JPS6112053U JPS6112053U JP9644484U JP9644484U JPS6112053U JP S6112053 U JPS6112053 U JP S6112053U JP 9644484 U JP9644484 U JP 9644484U JP 9644484 U JP9644484 U JP 9644484U JP S6112053 U JPS6112053 U JP S6112053U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- humidity detection
- detection signal
- detection circuit
- humidity
- 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
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (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
【図面の簡単な説明】
第１図および第２図は本考案の実施例を、第３図および
第４図は従来例をそれぞれ示すもので、第１図は湿度検
出回路の構成図、第２図は湿度センサの印加電圧の波形
図、第３図は湿度検出回路の構成図、第４図は湿度セン
サの印加電圧の波形図である。
１・・・・・・湿度検出回路、２・・・・・・交流電源
、３・・・・・・ブリッジ回路、４・・・・・・増幅回
路、５・・・・・・検波整流回路、Ｄ１，Ｄ２・・・・
・・ツエナーダイオード、Ｒｏ・・・・・・湿度センサ
、Ｃエ・・・・・・直流成分阻止用コンデンサ。[Brief Description of the Drawings] Figures 1 and 2 show an embodiment of the present invention, and Figures 3 and 4 show a conventional example. FIG. 2 is a waveform diagram of the voltage applied to the humidity sensor, FIG. 3 is a configuration diagram of the humidity detection circuit, and FIG. 4 is a waveform diagram of the voltage applied to the humidity sensor. 1...Humidity detection circuit, 2...AC power supply, 3...Bridge circuit, 4...Amplification circuit, 5...Detection rectification Circuit, D1, D2...
... Zener diode, Ro ... Humidity sensor, C ... ... DC component blocking capacitor.
Claims (1)
ジ回路は極性を互いに逆向きにして接続された少なくと
も２つのツエナーダイオードの第１直列回路と、湿度セ
ンサと抵抗の第２直列回路とを直流成分阻止用コンデン
サを介して並列に接続して構成する一方、このブリッジ
回路からの湿度検出信号を増幅する増幅回路の出力側に
前記湿度検出信号を検波、整流する検波整流回路を設け
たことを特徴とする湿度検出回路。A bridge circuit connected to an AC power supply is provided, and the bridge circuit connects a first series circuit of at least two Zener diodes connected with opposite polarities, and a second series circuit of a humidity sensor and a resistor to a DC component. The humidity detection signal is connected in parallel through a blocking capacitor, and a detection and rectification circuit is provided on the output side of an amplifier circuit that amplifies the humidity detection signal from the bridge circuit to detect and rectify the humidity detection signal. humidity detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9644484U JPS6112053U (en) | 1984-06-26 | 1984-06-26 | humidity detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9644484U JPS6112053U (en) | 1984-06-26 | 1984-06-26 | humidity detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6112053U true JPS6112053U (en) | 1986-01-24 |
Family
ID=30655919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9644484U Pending JPS6112053U (en) | 1984-06-26 | 1984-06-26 | humidity detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6112053U (en) |
-
1984
- 1984-06-26 JP JP9644484U patent/JPS6112053U/en active Pending
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