What is the anti-pinch function on windows

.06.2021 110.4K Views

[WapCar] Anti-pinch function on windows is a configuration that pays attention to safety, when the power window glass is closed, it will automatically stop after encountering resistance, or change the ascent stroke of glass into descending stroke to prevent pinching.

Working Principle

Install a set of electric current sensor, and the Hall sensor detects the rotating speed of the electric motor, when the power window is lifting, once the rotating speed of electric motor slow down, it will send the information to ECU, and the ECU will give instructions to the relay, the circuit reverses the current to make the electric stop or reverse (decrease), and then the windows stop moving or declining, reaching the anti-pinch function.

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