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Alarm and protection device for avoiding clamping injury by vehicle window

A technology for protection devices and car windows, which is applied to alarms, transportation and packaging, windows, etc., can solve the problems of being easily interfered by electromagnetic waves, large changes in the original circuit, and complex structures, so as to achieve easy popularization and low device cost , the effect of simple circuit

Inactive Publication Date: 2007-08-01
SHANGHAI DATONG HIGH SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the first type of background technology is that it is greatly affected by sunlight, and the possibility of causing erroneous actions is high
The disadvantage of the second background technology is that it is easily interfered by electromagnetic waves
In addition, the common disadvantages of the above two devices are complex structure, high cost, and large changes in the original circuit of the vehicle.

Method used

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  • Alarm and protection device for avoiding clamping injury by vehicle window

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Embodiment

[0013] An alarm and protection device to avoid being pinched by a car window, including a car window driving device. The device consists of a car window motor 1, a lower support frame 5, a car window glass 6, a double-pole three-throw switch 8, a pulley 9, The drive belt 10, the car door 11, the battery 12 and the fixed joint 13, the window motor 1 is fixed on the inner wall of the hollow car door 11, and the drive belt 10 is hung on the shaft of the window motor 1 and three pulleys 9. The window glass 6 is placed on the lower support frame 5, and the lower support frame 5 and the window glass 6 are placed on the inner wall of the car door 11 in a groove that restricts the lower support frame 5 and the window glass 6 to only move in the vertical direction, The drive belt 10 is fixedly connected to the lower support frame 5 through a fixed joint 13 in a manner orthogonal to the lower support frame 5, the double-pole three-throw switch 8 and the battery 12 are connected to form a to...

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Abstract

An alarm-protective device for avoiding user being clamped by vehicle window comprises a window driver, a pressure sensor and a sound alarm, wherein, the window glass is on the pressure sensor; the close contactor and open contactor of the touch switch of pressure sensor are connected to the driving circuit of window motor and the driving circuit of sound alarm. When foreign material is clamped between the window and the window frame, the pressure sensor works, the close contactor is cut off and the open contactor is closed, to stop the window and the sound alarm will sound. The invention can avoid the effects of sunlight, electromagnetic wave or the like, with low cost.

Description

Technical field [0001] The invention relates to an alarm and protection device for avoiding being caught by a car window, and belongs to the technical field of automobile accessory safety devices. Background technique [0002] When closing the window of a car, if there is a foreign object such as a hand on the top of the window glass, the rising window glass will clamp the foreign object between it and the window frame, and the window glass will continue to rise. Squeezing the foreign body can cause damage to the foreign body. Children's small hands, especially their fingers, are sometimes heard in accidents when they are caught by the raised window. At present, there are two kinds of protection devices for car windows against pinching. The first is the infrared detection and protection device. When the window of the car is closed, it can detect whether there are foreign objects in the moving range of the window glass, and control the action of the window glass according to the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05F15/20E05F15/16B60J1/17B60J1/20G08B21/02G08B3/10E05F15/41E05F15/689E05F15/70
Inventor 朱佳敏陈思侃张晓晓
Owner SHANGHAI DATONG HIGH SCHOOL
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