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    Car seat long slide rail brush motor solution

    2024-09-10 15:40:29 22


    As our country's industrialization progresses, the automotive industry is booming, and the market demand for vehicle models is becoming more diverse. In recent years, MPV have gained popularity for their comfort, flexibility in space, and strong carrying capacity. We know that the quality of any experience inside a vehicle is mainly determined by the seats, as this is the first point of contact between passengers and the vehicle. The second row of seats in MPV, which are designed with independent seats and equipped with electric adjustment slides, offer unparalleled comfort. Compared to the front row, the second row seat slide has a longer track, which requires the slide motor not only to run stably for a long time, but also to output a constant speed for different body types of passengers, control NVH, and improve ride comfort, which also puts higher demands on motor manufacturers.

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    1. Advantages Analysis:

    For the current problems, Power Motor has proposed a long slide brush motor solution, which has the following five advantages:

    • Cost-effective: Compared with brushless motors, brush motors have lower manufacturing costs, making them widely used in mid-to-low-end models in the mass consumer market, effectively controlling the overall vehicle cost.

    • Simple structure: Brush motors have a relatively simple design, with a shorter R&D cycle, making maintenance and replacement easier, reducing the cost and difficulty of subsequent repairs.

    • Simple control: It can seamlessly integrate with the existing control system ECU and only needs to add connector wiring in the wiring development process, without any control matching problems, reducing the development and maintenance cost of the control system.

     • Low NVH: Optimize the carbon brush and commutator structure, and the motor can control the noise within 45dB(A) at high speed of 7500rpm, and even lower than 40dB(A) at low speed.

    • Long life: Optimize the electromagnetic magnetic path and mechanical structure, the motor can simulate the long slide rail running mode, and run 25000 cycles under different ambient temperature conditions, effectively solving the motor life problem.

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    2. Market pain point solutions:

    The long slide seat has a long running distance and a fast adjustment function, which needs to be achieved by increasing the motor speed. Increasing the speed will lead to greater motor noise, which contradicts each other and is also the current technical pain point. By adjusting the motor design and process, power motor can improve the current technical pain points and achieve the corresponding improvement purpose.

    3. Development prospects: In the current automotive market, especially in cost-sensitive applications, there is still room for continuous optimization of brushed motors:

     • Market demand: With the growth of demand for economic and practical models in the automotive industry, long slide brushed motors will continue to occupy a certain market share due to their cost-effective advantages.

    • Technological innovation: With the introduction of new materials, Power Motor will validate new materials while ensuring cost performance, improving motor durability and EMC level.

    • Environmental protection trend: In the face of global energy conservation and emission reduction, Power Motor will continue to improve its energy efficiency level, combined with its cost advantages, long slide brush motor will usher in new development opportunities in its specific field.

    In summary, the long slide brush motor is bound to occupy a place in the automotive industry due to its cost-effective, easy to control and other characteristics. Power Motor will also continue to improve in response to continuous technological innovation and market changes, to adapt to higher functional and comfort standards.


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