JPS637054U - - Google Patents
Info
- Publication number
- JPS637054U JPS637054U JP10087886U JP10087886U JPS637054U JP S637054 U JPS637054 U JP S637054U JP 10087886 U JP10087886 U JP 10087886U JP 10087886 U JP10087886 U JP 10087886U JP S637054 U JPS637054 U JP S637054U
- Authority
- JP
- Japan
- Prior art keywords
- window glass
- detecting
- humidity
- speed
- calculating
- 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
- 239000005357 flat glass Substances 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 3
- 230000005494 condensation Effects 0.000 claims 2
- 238000009833 condensation Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は車速とガラス内面温度との関係を示す
グラフ、第２図は車両が発進してからの、経過時
間とガラス内面温度との関係を示すグラフ、第３
図は車速とガラス内面温度の時間経過を示すグラ
フ、第４図は本考案の一実施例のブロツク図、第
５図は同、フローチヤート図である。
１…車両、２…フロントガラス、３…ガラス湿
度センサ、４…速度センサ、５…演算回路、６…
加算回路、７…くもり判定回路、８…ヒステリシ
ス、９…デミスト駆動回路、１１〜１７…ステツ
プ、Ｖ…車速、Ｐ…車速ゼロのときのガラス内面
の湿度、ｒ…ガラス内面の湿度の実測値、Ｒ…湿
度の補正値、Ｋ…定数。
Fig. 1 is a graph showing the relationship between vehicle speed and glass inner surface temperature, Fig. 2 is a graph showing the relationship between elapsed time and glass inner surface temperature after the vehicle starts, and Fig. 3 is a graph showing the relationship between elapsed time and glass inner surface temperature after the vehicle has started.
The figure is a graph showing the time course of vehicle speed and glass inner surface temperature, FIG. 4 is a block diagram of an embodiment of the present invention, and FIG. 5 is a flowchart of the same. DESCRIPTION OF SYMBOLS 1...Vehicle, 2...Windshield, 3...Glass humidity sensor, 4...Speed sensor, 5...Arithmetic circuit, 6...
Addition circuit, 7... Cloudy determination circuit, 8... Hysteresis, 9... Demist drive circuit, 11-17... Step, V... Vehicle speed, P... Humidity on the inner surface of the glass when the vehicle speed is zero, r... Actual measurement value of the humidity on the inner surface of the glass , R...humidity correction value, K...constant.
Claims (1)
結露防止装置であつて、 前記窓ガラスでの湿度を検出する湿度検出手段
と、 前記車両の速度を検出する速度検出手段と、 該速度検出手段からの検出信号によつて補正値
を演算する演算手段と、 この演算手段からの補正値、および前記窓ガラ
ス湿度検出手段からの検出信号にもとづいてくも
り状態を判定し、くもり除去手段への制御信号を
出力する判定手段とを有する車両用窓ガラスの結
露防止装置。[Claims for Utility Model Registration] A window glass dew condensation prevention device for preventing dew condensation on a vehicle window glass, comprising: a humidity detection means for detecting humidity on the window glass; and a speed for detecting the speed of the vehicle. a detecting means; a calculating means for calculating a correction value based on a detection signal from the speed detecting means; and determining a cloudy state based on the correction value from the calculating means and a detection signal from the window glass humidity detecting means. and a determination means for outputting a control signal to the fog removal means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10087886U JPS637054U (en) | 1986-07-02 | 1986-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10087886U JPS637054U (en) | 1986-07-02 | 1986-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS637054U true JPS637054U (en) | 1988-01-18 |
Family
ID=30971105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10087886U Pending JPS637054U (en) | 1986-07-02 | 1986-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS637054U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876345A (en) * | 1981-10-30 | 1983-05-09 | Toyota Motor Corp | Defogger device for car |
-
1986
- 1986-07-02 JP JP10087886U patent/JPS637054U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876345A (en) * | 1981-10-30 | 1983-05-09 | Toyota Motor Corp | Defogger device for car |
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