JPH0223263U - - Google Patents
Info
- Publication number
- JPH0223263U JPH0223263U JP10125488U JP10125488U JPH0223263U JP H0223263 U JPH0223263 U JP H0223263U JP 10125488 U JP10125488 U JP 10125488U JP 10125488 U JP10125488 U JP 10125488U JP H0223263 U JPH0223263 U JP H0223263U
- Authority
- JP
- Japan
- Prior art keywords
- window glass
- front window
- sensor
- turns
- prevention device
- 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
- 230000002265 prevention Effects 0.000 claims description 6
- 239000005357 flat glass Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000010409 thin film Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案による着霜防止装置の回路を
示す説明図、第２図は従来の着霜防止回路の説明
図である。
１…着霜防止用バツテリ、２…主スイツチ、３
…リレースイツチ、４…フロントウインドガラス
、４Ａ…発熱体、４Ｘ，４Ｙ…電極、１０…着霜
防止コントローラ、１１…コイル、１２…スイツ
チングトランジスタ、１３…温度センサ、１４…
湿度センサ、１５…アンドゲート、１６…雨滴セ
ンサ、１７…インバータ。
FIG. 1 is an explanatory diagram showing a circuit of a frost prevention device according to this invention, and FIG. 2 is an explanatory diagram of a conventional frost prevention circuit. 1... Frost prevention battery, 2... Main switch, 3
...Relay switch, 4...Front window glass, 4A...Heating element, 4X, 4Y...Electrode, 10...Defrost prevention controller, 11...Coil, 12...Switching transistor, 13...Temperature sensor, 14...
Humidity sensor, 15...AND gate, 16...Raindrop sensor, 17...Inverter.
Claims (1)
ラスと、フロントウインドウガラスの表面温度が
０℃以下でオンになる温度センサと、フロントウ
インドウガラスに接する外気湿度が飽和点になる
直前でオンになる湿度センサと、降雨、降雪を検
出する雨滴センサとを備え、前記温度センサと、
前記湿度センサ、ならびに、雨滴センサの反転出
力の論理積により前記フロントウインドウガラス
への給電を制御するように構成したことを特徴と
する着霜防止装置。 A front window glass with a built-in conductive heating thin film, a temperature sensor that turns on when the surface temperature of the front window glass is below 0°C, and a humidity sensor that turns on just before the outside air humidity in contact with the front window glass reaches the saturation point. A raindrop sensor that detects rainfall and snowfall, the temperature sensor;
A frost formation prevention device characterized in that the frost formation prevention device is configured to control power supply to the front window glass by logical product of inverted outputs of the humidity sensor and the raindrop sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988101254U JPH0727253Y2 (en) | 1988-07-30 | 1988-07-30 | Anti-frosting device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988101254U JPH0727253Y2 (en) | 1988-07-30 | 1988-07-30 | Anti-frosting device for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0223263U true JPH0223263U (en) | 1990-02-15 |
| JPH0727253Y2 JPH0727253Y2 (en) | 1995-06-21 |
Family
ID=31330084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988101254U Expired - Lifetime JPH0727253Y2 (en) | 1988-07-30 | 1988-07-30 | Anti-frosting device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727253Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6243543A (en) * | 1985-08-21 | 1987-02-25 | Honda Motor Co Ltd | Water drop detector for window glass |
| JPS6319455U (en) * | 1986-07-23 | 1988-02-08 | ||
| JPS6340221U (en) * | 1986-09-02 | 1988-03-16 |
-
1988
- 1988-07-30 JP JP1988101254U patent/JPH0727253Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6243543A (en) * | 1985-08-21 | 1987-02-25 | Honda Motor Co Ltd | Water drop detector for window glass |
| JPS6319455U (en) * | 1986-07-23 | 1988-02-08 | ||
| JPS6340221U (en) * | 1986-09-02 | 1988-03-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727253Y2 (en) | 1995-06-21 |
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