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Method and device for removing fog from automobile glass intellectually

A technology for automotive glass and automobiles, which is applied in the directions of windshields, transportation and packaging, vehicle parts, etc., to achieve the effects of low cost, simple structure and convenient installation.

Inactive Publication Date: 2006-03-15
AUTOEASY ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method and device for realizing intelligent defogging of automobile glass, so as to solve the problems of automatically sensing the degree of fogging on the inner surface of automobile glass and intelligent automatic defogging

Method used

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  • Method and device for removing fog from automobile glass intellectually
  • Method and device for removing fog from automobile glass intellectually
  • Method and device for removing fog from automobile glass intellectually

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specific example

[0048] In this embodiment, a flexible circuit board with a transparent plastic film as the substrate is processed into a pair of Figure 13 The shown radius is r=3cm, spacing d=0.5mm, line width is w=0.3mm polygonal spiral planar curve electrode, the electrode total area is about 10 square centimeters, and wherein, 1 and 2 are two parts of planar curve capacitance respectively An electrode, 8 is a transparent plastic film substrate. according to Figure 14 The shown position is pasted on the lower right corner of the automobile front windshield glass 3 inner surface. According to the theory of hot and cold air convection, cold air descends and hot air rises. Therefore, fogging of automobile glass is usually bottom-up. Selecting the transparent conductive film and the position of the lower right corner of the front windshield can not only not affect the driver's sight, but also can accurately and timely detect the degree of fogging. Such as Figure 14 As shown, on the inner...

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Abstract

The sensor is a pair of parallel curve electrodes in some interval formed on the inner surface of automobile glass via adhering, pressing, painting or plating conductor, and electrode pair constitutes one planar curve capacitor with flat dielectric. When fog is formed in the inner surface of the glass, there will be changes in the average dielectric constant, the area covered by the planar curve capacitor plates and the thickness of the flat dielectric space and thus change in capacitance, and the intelligent adaptive signal amplifying and processing unit with microprocessor detects the change in capacitance and converts it into digital signal to drive the control unit of the automatic defogging system.

Description

technical field [0001] The invention relates to the technical fields of automotive electronics, intelligent sensors and measurement, in particular to a method and device for realizing intelligent defogging of automotive glass. Background technique [0002] Since entering the 21st century, automobile electronics and intelligence have become the direction and frontier of the development of automobile industry technology, and the safety and humanization of automobiles have also become the focus of major automobile manufacturers. The automatic defogging system is not only a humanized concern for driving convenience, but more importantly, the automatic defogging system is an important part of the active safety system of the car. In an environment with high relative air humidity, the inner surface of the front windshield of the car is often fogged, which affects the driver's sight. The traditional defogging method is that the driver manually adjusts the direction of the car's air ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R16/02B60J1/00
Inventor 孙滕谌于杰
Owner AUTOEASY ELECTRONICS TECH