JPS6155U - Condensation detection circuit - Google Patents
Condensation detection circuitInfo
- Publication number
- JPS6155U JPS6155U JP8359284U JP8359284U JPS6155U JP S6155 U JPS6155 U JP S6155U JP 8359284 U JP8359284 U JP 8359284U JP 8359284 U JP8359284 U JP 8359284U JP S6155 U JPS6155 U JP S6155U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection circuit
- dew condensation
- detection
- dew
- 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.)
- Granted
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (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
第１図は本考案の結露検出回路の一実施例を示したブロ
ック図、第２図は第１図に示した結露検出閾値変化回路
５と結露センサ１の具体例を示した回路図、第３図は第
２図に示した回路の動作特性図、第４図は第１図に示し
た回路の具体例を示した回路図、第５図は従来の結露検
出回路の一例を示したブロック図、第６図は第１図に示
した波形整形回路のヒステリシス特性を示した図である
。
１・・・結露センサ、２・・・検出回路、３・・・波形
整形回路、４・・・出力回路、５・・・結露検出閾値変
化回路。FIG. 1 is a block diagram showing an embodiment of the dew condensation detection circuit of the present invention, FIG. Figure 3 is an operating characteristic diagram of the circuit shown in Figure 2, Figure 4 is a circuit diagram showing a specific example of the circuit shown in Figure 1, and Figure 5 is a block diagram showing an example of a conventional dew condensation detection circuit. 6 are diagrams showing hysteresis characteristics of the waveform shaping circuit shown in FIG. 1. DESCRIPTION OF SYMBOLS 1... Dew condensation sensor, 2... Detection circuit, 3... Waveform shaping circuit, 4... Output circuit, 5... Dew condensation detection threshold change circuit.
Claims (1)
センサの電気抵抗の変化を電圧変化として取り出す検出
回路と、この検出回路からの出力電圧が第１の設定値以
下となる自己の出力電圧を結露検出レベルとする波形整
形回路と、電源オン直後の所定期間内、回路の結露検出
閾値を一率に下げる結露検出閾値変化回路とを具備して
成ることを特徴とする結露検出回路。A dew condensation sensor whose electrical resistance decreases when dew condenses, a detection circuit that extracts the change in the electrical resistance of this dew condensation sensor as a voltage change, and a condensation sensor that detects the self-output voltage when the output voltage from this detection circuit becomes equal to or less than a first set value. 1. A dew condensation detection circuit comprising: a waveform shaping circuit that sets a detection level; and a dew condensation detection threshold changing circuit that uniformly lowers a condensation detection threshold of the circuit within a predetermined period immediately after power is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8359284U JPS6155U (en) | 1984-06-07 | 1984-06-07 | Condensation detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8359284U JPS6155U (en) | 1984-06-07 | 1984-06-07 | Condensation detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6155U true JPS6155U (en) | 1986-01-06 |
| JPH049572Y2 JPH049572Y2 (en) | 1992-03-10 |
Family
ID=30632361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8359284U Granted JPS6155U (en) | 1984-06-07 | 1984-06-07 | Condensation detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63271151A (en) * | 1987-04-28 | 1988-11-09 | Osaka Gas Co Ltd | Gaseous carbon monoxide detector |
-
1984
- 1984-06-07 JP JP8359284U patent/JPS6155U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63271151A (en) * | 1987-04-28 | 1988-11-09 | Osaka Gas Co Ltd | Gaseous carbon monoxide detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH049572Y2 (en) | 1992-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6155U (en) | Condensation detection circuit | |
| JPS5866832U (en) | current limiting device | |
| JPS5824870U (en) | coin sorting device | |
| JPS61352U (en) | Signal disconnection detection circuit | |
| JPS60181927U (en) | Transistor switching circuit with protection function | |
| JPS60132018U (en) | voltage variable circuit | |
| JPS60179881U (en) | sensor circuit | |
| JPS6135444U (en) | Cascade circuit of semiconductor devices with control poles | |
| JPS60119834U (en) | surge absorber | |
| JPS5811331U (en) | signal discrimination device | |
| JPS5862284U (en) | Noise detection circuit for wire-wound variable resistor | |
| JPS6056286U (en) | magnetic detection circuit | |
| JPS5982844U (en) | Humidity detection control circuit | |
| JPS60173079U (en) | Simple voltage detection circuit | |
| JPS596779U (en) | Electrical insulator | |
| JPS60132022U (en) | Signal level change circuit | |
| JPS582023U (en) | switching regulator | |
| JPS58155142U (en) | Power-on detection circuit | |
| JPS6024883U (en) | Ignition signal detection circuit | |
| JPS6013435U (en) | temperature detection circuit | |
| JPS60169800U (en) | Sample/hold circuit | |
| JPS6147532U (en) | Noise signal suppression circuit | |
| JPS60188388U (en) | load device | |
| JPS58150194U (en) | Sensor information reading circuit | |
| JPS60155216U (en) | loudness circuit |