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As the automotive industry accelerates towards electrification and intelligence, a once-overlooked component is quietly becoming a focal point of market competition and technological innovation. The Window Lift Motor, the core of the power window system, is now a key indicator of vehicle intelligence and comfort. According to the latest industry data, the Chinese market for automotive electric window motors reached 115.08 billion yuan in 2024, with a steady year-on-year growth of 9.2%. It is projected to rise further to approximately 119.535 billion yuan in 2025, showcasing sustained and resilient growth.
From a Functional Component to an Intelligent Node
The core function of the window lift motor is to convert electrical energy into mechanical energy, driving the linear movement of the window glass through a transmission mechanism. This process requires high precision and reliability. Today, this traditional component is undergoing a profound dual transformation in technology and value.
Technology Transition: The Rise of Brushless Motors
In terms of product form, Brushless DC Motors (BLDC) are rapidly replacing traditional brushed motors. Through Hall sensors for precise rotor positioning and electronic commutation, brushless solutions extend lifespan by over twofold, reduce operational noise below 38 decibels, and significantly improve energy efficiency. Data indicates that the installation rate of brushless motors in newly launched electric vehicle (EV) models reached 30% in 2024 and is expected to exceed 38% in 2025, with penetration rates in mid-to-high-end models surpassing 45%. For instance, the brushless motor solutions independently developed by companies like Changzhou BYD Auto Parts Co., Ltd. have been applied in several mainstream new energy vehicle models, enhancing the driving and riding experience with their quiet operation.
Intelligent Integration: A Leap Towards Smart Systems
In terms of functional integration, motors are evolving from single actuating components into intelligent control systems. Integrated solutions incorporating CAN communication modules, active anti-pinch algorithms, and OTA (Over-The-Air) upgrade capabilities have become a key focus in research and development. By detecting motor speed changes and monitoring current, these systems can identify foreign objects with anti-pinch accuracy reaching millimeter levels. The intelligent window control system developed by Ningbo Joyson Electronics, for example, is now equipped in models such as the BYD Han and Li Auto L series. This system deeply integrates the motor with sensors and controllers, achieving multi-speed adjustment and self-diagnostic fault capabilities.
This ongoing silent revolution not only represents the upgrade of a single component but also signifies that "Made in China" is seizing the discourse power in the era of automotive intelligence from core details, driving the entire industry chain towards higher levels of sophistication and intelligence.
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