A soft stop control device for automobile electric windows

A technology of stop control and control device, which is applied to vehicle components, door/window accessories, transportation and packaging, etc., which can solve the problems of reducing the service life of the window motor and increasing the current, and achieves reliable performance, simple structure and easy implementation Effect

Active Publication Date: 2011-12-21
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] But the motor stall will cause the current to increase suddenly,

Method used

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  • A soft stop control device for automobile electric windows
  • A soft stop control device for automobile electric windows
  • A soft stop control device for automobile electric windows

Examples

Experimental program
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Embodiment Construction

[0015] The present invention will be further described below in conjunction with accompanying drawing:

[0016] figure 1 It is a schematic diagram of the position and connection of the soft stop control device for the electric window of the automobile of the present invention. The control device is composed of a door frame 9, a guide rail 8, a window glass 5, a window motor 10 with a Hall sensor, a window switch 2, and an electric control unit 1; the window guide rail 8 is fixed on the door frame 9, and the electric control The unit 1 can be fixed on the door frame 9, and can also be integrated with the window motor 10 and then fixed on the guide rail 8. The signal of the window switch 2 is processed by the acquisition circuit inside the control unit 1 and then connected to the input terminal of the single-chip microcomputer. After being processed by the motor drive circuit, the output is connected to the window motor 10 through wires, and the electronic control unit 1 drives th

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PUM

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Abstract

The invention discloses a soft stop control device for a power window of an automobile, which belongs to the technical field of automatic control over windows and is used for solving the problem of the influence of locked-rotor current impact on the service life of a power window motor. In the technical scheme, the soft stop control device, i.e., a window switching signal is connected with the input end of a singlechip after being processed by an acquisition circuit of an electrical control unit; the output end of the singlechip is connected with a window motor with a Hall sensor after passing through a motor driving circuit; a Hall pulse signal generated in the running process of the window motor is connected with the input end of the singlechip after being processed; and the singlechip is used for judging the position of the window glass according to the hall pulse signal to realize a soft stop function. The soft stop control device provided by the invention has a simple structure, is easy to realize, has high suitability, a reliable performance and low cost, can be applied independently or integrally with a central control door lock or a door control device, is particularly suitable for being used together with a power window anti-pinch algorithm without any extra sensor or hardware circuit.

Description

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Claims

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Application Information

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Owner HARBIN INST OF TECH
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