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What is the Structure and Principle of Automotive Power Seats?

1 Answers

StAubrey

07/29/25 7:03pm

Power Seat Working Principle: Power seats generally consist of a bidirectional motor, transmission mechanism, and control circuit. The bidirectional motor generates power, and the transmission mechanism transmits this power to the seat, enabling adjustment of the seat to different positions via the control switch. Working Principle: The control circuit of the automotive power seat motor allows for various adjustments, including forward and backward sliding of the seat, vertical adjustment of the front part of the seat, vertical adjustment of the rear part of the seat, backrest tilt adjustment, headrest vertical adjustment, and lumbar cushion forward and backward adjustment. The forward and backward adjustment of the lumbar cushion is directly controlled by the lumbar cushion switch and motor, without any memory function. Structural Composition: The automotive power seat motor is composed of three main parts: the seat position sensor, the electronic control unit (ECU), and the drive motor of the actuator. Sensors include position sensors, rearview mirror position sensors, seat belt buckle sensors, and steering wheel tilt sensors, among others.

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