The invention discloses an active road noise reduction automobile seat and a noise reduction method thereof.The active road noise reduction automobile seat comprises an active road noise reduction system arranged in the automobile seat, and the active road noise reduction system comprises an active noise reduction signal processing controller, an active noise reduction signal processing module and an active noise reduction signal processing module; the road noise source signal sensor, the anti-phase noise elimination loudspeaker, the anti-phase low-frequency vibrator, the error microphone and the power amplifier circuit are connected with the active noise reduction signal processing controller; the road noise source signal sensor is arranged at the bottom of an automobile seat and used for collecting road noise signals. The reverse-phase noise elimination horn and the reverse-phase low-frequency vibrator are arranged on a headrest of an automobile seat or near the headrest and are used for providing reverse-phase road noise signals; the error microphone is arranged on a headrest part of the automobile seat or near the headrest part and is used for acquiring environmental noise near the headrest part. The invention discloses an automobile seat capable of actively reducing road noise and a noise reduction method thereof, and the road noise transmitted into an automobile through an automobile chassis is reduced through the active noise reduction method.
本发明公开了一种路噪主动降噪汽车座椅及其降噪方法,其中的路噪主动降噪汽车座椅,包括设在汽车座椅中的主动降路噪系统,主动降路噪系统包括:主动降噪信号处理控制器,与主动降噪信号处理控制器连接的路噪噪音源信号传感器、反相消噪喇叭和反相低频振动器、误差麦克风、功放电路;路噪噪音源信号传感器设在汽车座椅的底部,用于采集路噪信号;反相消噪喇叭和反相低频振动器设在汽车座椅的头枕上或者头枕附近,用于提供反相的路噪噪音信号;误差麦克风设在汽车座椅头枕部上或者头枕部附近,用于获取头枕部附近的环境噪音。本发明公开一种路噪主动降噪汽车座椅及其降噪方法,通过主动降噪的方法,降低通过汽车底盘传导到车内的路噪。
Automobile seat capable of actively reducing road noise and noise reduction method thereof
一种路噪主动降噪汽车座椅及其降噪方法
2024-11-26
Patent
Electronic Resource
Chinese
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