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No-squeeze car window system

A car window and anti-pinch technology, applied in door/window accessories, controllers with discontinuous output signals, buildings, etc., can solve the problems of complex detection algorithms, poor anti-interference ability, slow response, etc., to achieve rapid response and avoidance. Pinch, low cost effect

Inactive Publication Date: 2007-10-03
SHENZHEN SEG SCI NAVIGATIONS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In order to have low detection cost, indirect detection must be the premise. Therefore, on the basis of indirect detection, the present invention overcomes the slow response, complex detection algorithm, poor anti-interference ability and poor consistency of indirect detection in the existing anti-pinch technology. and other defects, a new window anti-pinch system with advantages of low cost, reliable performance and quick response is proposed

Method used

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  • No-squeeze car window system
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Embodiment Construction

[0022] The anti-pinch system described in this embodiment includes: a detection control circuit, an electrode sensor mounted on the edge of the window glass, and a power module. The detection control circuit includes a microprocessor MCU, a capacitance detection chip, a motor drive chip, and a microprocessor. It is connected with the signal of the capacitance detection chip and the motor drive chip, and the signal of the capacitance detection chip is connected with the electrode sensor. The above-mentioned microprocessor is also connected with a current detection circuit for detecting the working current of the motor. This can further enhance the safety of the window.

[0023] This anti-pinch system senses whether the human body is in contact with the electrode sensor by detecting the capacitance of the electrode sensor. As shown in Figure 1, the electrode sensor includes a sensing part 1 and a transmission wire 2. The electrode sensor is mounted on the edge of the window gla...

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Abstract

The no-extrusion car window system includes one detection and control circuit and one electrode sensor mounted in the edge of car window glass. The detection and control circuit includes a microprocessor, a capacitance detecting chip connected to the electrode sensor, and a motor driving chip. In case of part of human body contacts the electrode sensor mounted in the edge of car window glass, the detected capacitance will change and the detection and control circuit will pause the window lifting motion to avoid extrusion to the human body. The no-extrusion car window system has low cost, reliable performance, quick response and other advantages.

Description

technical field [0001] The invention relates to a vehicle window control system, more particularly to a system for vehicle window safety control and pinch prevention. The system is made on the basis of indirect detection, and has the characteristics of low cost, rapid and accurate detection. Background technique [0002] According to a safety accident investigation conducted by the U.S. National Highway Safety Administration (NHSTA) in 1997, approximately 499 emergency cases in the United States are caused by the operation of electric accessories of automobiles every year. About 93% of the victims were caused by the electric windows of the car, 32% of the victims were younger than 6 years old, and another 32% of the victims were younger than 15 years old. In order to reduce the potential danger of automobile electric accessories to the human body, the United States and Europe proposed FMVSS118 and 74 / 60 / EEC standards accordingly, which clearly stipulated the safety regulati...

Claims

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Application Information

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IPC IPC(8): E05F15/20G05B11/16E05F15/73
Inventor 夏邦信
Owner SHENZHEN SEG SCI NAVIGATIONS CO LTD
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