公开(公告)号：US20060290521A1

公开(公告)日：2006-12-28

申请号：US10595085

申请日：2004-06-24

申请人： Tengchen Sun ,  Jie Yu

发明人： Tengchen Sun ,  Jie Yu

IPC分类号： G08B23/00

CPC分类号： B60S1/0825 ,  G01N27/223

摘要： A device and method for detecting environmental change of automobile windshield, the device comprises a plane capacitor which is disposed on the inner surface of the windshield, the two electrodes of said plane capacitor are disposed on the same plane, the total area of said two electrodes is less than 100 sq. centimeters, said plane capacitor is a sense element which detects the environmental change of windshield and environmental change after operating, said plane capacitor is electrically connected with a sensor detection circuit, the change signals in capacitance which is affected by the environmental is transmitted to said sensor detection circuit, and said sensor detection circuit is responsive to the change of capacitance to produce a control signal to control equipment work. The structure of this device is simple, and is able to overcome various defects including small measurement area, inability of detecting rainwater thickness, vulnerable to disturbance of pollutants, high installation requirements, low adaptability and high cost that exist in current photoelectric and plane capacitance type detecting devices.

摘要翻译： 一种用于检测汽车挡风玻璃的环境变化的装置和方法，该装置包括设置在挡风玻璃的内表面上的平面电容器，所述平面电容器的两个电极设置在同一平面上，所述两个电极的总面积 所述平面电容器是检测挡风玻璃的环境变化和操作后的环境变化的感测元件，所述平面电容器与传感器检测电路电连接，电容的变化信号受到 环境传递到所述传感器检测电路，并且所述传感器检测电路响应于电容的变化以产生控制信号以控制设备工作。 该装置的结构简单，能够克服当前光电平面电容型存在的测量面积小，雨水厚度不均匀，易受污染物扰动，安装要求高，适应性差，成本高的各种缺陷 检测装置。

公开(公告)号：US07208962B2

公开(公告)日：2007-04-24

申请号：US10595085

申请日：2004-06-24

申请人： Tengchen Sun ,  Jie Yu

发明人： Tengchen Sun ,  Jie Yu

IPC分类号： G01R27/26 ,  G01N5/02

CPC分类号： B60S1/0825 ,  G01N27/223

摘要： A device and method for detecting environmental change of automobile windshield includes a plane capacitor having two electrodes disposed on a common plane on the inner surface of the windshield, and with a total area of said two electrodes less than 100 sq. centimeters. A sensor detection circuit is responsive to the change of capacitance of the plane capacitor to produce a control signal to control equipment work.

摘要翻译： 用于检测汽车挡风玻璃的环境变化的装置和方法包括：平面电容器，其具有设置在挡风玻璃的内表面上的公共平面上的两个电极，并且所述两个电极的总面积小于100平方厘米。 传感器检测电路响应平面电容器的电容变化，产生控制信号以控制设备工作。