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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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.
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