JPS6396452U - - Google Patents
Info
- Publication number
- JPS6396452U JPS6396452U JP15371486U JP15371486U JPS6396452U JP S6396452 U JPS6396452 U JP S6396452U JP 15371486 U JP15371486 U JP 15371486U JP 15371486 U JP15371486 U JP 15371486U JP S6396452 U JPS6396452 U JP S6396452U
- Authority
- JP
- Japan
- Prior art keywords
- heating
- humidity sensor
- outside air
- temperature
- air temperature
- 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
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案に係る湿度計の実施例を示す回
路図、第２図は第１図回路における外気温度に対
するヒータ加熱電圧の特性例を示す図、第３図は
第１図において絶対湿度を測定したときの外気の
水分量に対する検出電圧の特性例を示す図、第４
図は第１図において温度補償を施さない場合の外
気温度をパラメータとした湿度センサの相対湿度
に対する抵抗値の特性例を示す図、第５図は第１
図において温度補償を施した場合の各相対湿度に
おける外気温度に対する湿度センサの出力電圧の
特性例を示す図、第６図は第１図におけるヒータ
電力可変回路の具体的構成の実施例を示す回路図
、第７図は従来の湿度計を示す回路図である。
１……半導体加熱型湿度センサ、Ｒｓ……湿度
センサ、Ｌｓ……ヒータ、２……ヒータ電力可変
回路、３……湿度表示回路、５……抵抗ブリツジ
、Ｒｔ……温度センサ。
Fig. 1 is a circuit diagram showing an embodiment of the hygrometer according to the present invention, Fig. 2 is a diagram showing an example of the characteristics of the heater heating voltage with respect to outside air temperature in the circuit shown in Fig. 1, and Fig. 3 is a diagram showing the absolute humidity Figure 4 shows an example of the characteristics of the detection voltage with respect to the moisture content of the outside air when measuring the amount of moisture in the outside air.
The figure shows an example of the resistance value characteristics of the humidity sensor with respect to relative humidity using the outside air temperature as a parameter when temperature compensation is not performed in Figure 1.
The figure shows an example of the characteristics of the output voltage of the humidity sensor with respect to the outside air temperature at each relative humidity when temperature compensation is applied, and FIG. 6 is a circuit showing an example of the specific configuration of the heater power variable circuit in FIG. 1. 7 are circuit diagrams showing a conventional hygrometer. DESCRIPTION OF SYMBOLS 1... Semiconductor heating type humidity sensor, Rs... Humidity sensor, Ls... Heater, 2... Heater power variable circuit, 3... Humidity display circuit, 5... Resistance bridge, Rt... Temperature sensor.
Claims (1)
る温度検出手段と、前記湿度センサを加熱する加
熱手段と、前記温度検出手段の出力により前記加
熱手段の加熱量を制御する制御手段とを備え、前
記加熱手段により半導体加熱型湿度センサが外気
温度にかかわらず一定温度に保たれるように構成
したことを特徴とする湿度計。 A semiconductor heating type humidity sensor, a temperature detection means for detecting outside air temperature, a heating means for heating the humidity sensor, and a control means for controlling the heating amount of the heating means based on the output of the temperature detection means, A hygrometer characterized in that a semiconductor heating type humidity sensor is configured to be kept at a constant temperature by a heating means regardless of outside air temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15371486U JPS6396452U (en) | 1986-10-08 | 1986-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15371486U JPS6396452U (en) | 1986-10-08 | 1986-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6396452U true JPS6396452U (en) | 1988-06-22 |
Family
ID=31072841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15371486U Pending JPS6396452U (en) | 1986-10-08 | 1986-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6396452U (en) |
-
1986
- 1986-10-08 JP JP15371486U patent/JPS6396452U/ja active Pending
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