1. Sunroof pinch
Analysis
refers to the sunroof is closed, with the automatic stop function obstacle skylight skylight. When it slowly closed, fist fight about, it will back out.
Introduction
sunroof sunroof anti-pinch hand function is turned off, it will automatically stop after encountering resistance, increase the safety of vehicles. Although the car has anti-trap feature, but users who have tried personally inspected them, indicating that the function is to prevent clamped tightly can cause serious injury, caught or will produce some damage. So usually when the switch sunroof, still need to pay attention to safety.
Principle
power window is driven by the motor, the motor circuit has a sensor can start the protection circuit cut-off motor power. When clamped things, motor load mdash; mdash; glass stops moving, the motor current increase to a set value, the protection circuit is activated, the motor is stopped.