新能源汽车电子真空泵噪音影响机制研究

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摘 要：根据电子真空泵的工作原理并结合整车应用，基于相关验证经验，提出降低真空泵运转噪音以改善整车NVH的思路和开发经验，对新能源汽车的电子真空泵噪音的降低有一定的指导作用。

关键词：新能源 电子真空泵 噪音 NVH

Abstract：According to the working principle of the electronic vacuum pump and combined with the application of the vehicle， based on relevant verification experience， the idea and development experience of reducing the operating noise of the vacuum pump to improve the NVH of the vehicle are proposed， which has a certain guiding effect on the reduction of the noise of the electronic vacuum pump of the new energy vehicle.

Key words：new energy， electronic vacuum pump， noise， NVH

1 前言

新能源汽车缺少发动机进气歧管，没有可供助力器使用的真空源，此时真空助力器不能为驾驶者提供助力，影响行车安全。（剩余3329字）