According to the electric vehicle charging pile with the noise reduction function, a charging host transmits electric power to an electric vehicle through a charging gun so as to complete the charging process of the electric vehicle. In the charging process, the draught fan is started accordingly, air in the first cavity is exhausted, and negative pressure is formed in the first cavity. At the moment, external air enters the first cavity through the air inlet, the second cavity and the through hole, and flowing of airflow in the first cavity is achieved. In this way, the charging host can be cooled by external air, and the stable charging process is ensured. And meanwhile, the periphery of the fan is connected with the fixed shell, so that noise generated by charging can be diffused into the third cavity of the fixed shell under the flowing of the air medium, and non-directional propagation of the noise can be reduced. Besides, the noise diffused into the fixing shell can be further effectively weakened under the shielding of the fixing shell, so that the noise pollution of the electric vehicle charging pile is reduced, and the use effect of the product is improved.

    本申请涉及一种具备降噪功能的电动车充电桩,充电主机通过充电枪将电力输送至电动车中,以完成对电动车的充电过程。在充电过程中,风机也随之启动,并对第一腔室内抽气,使得第一腔室内形成负压。此时外部空气通过进气口、第二腔室及通孔进入第一腔室中,实现第一腔室内气流的流动。这样外部空气可对充电主机进行散热降温,保证充电过程稳定进行。同时,风机外周连接有固定壳,因此,在空气介质的流动下,充电所产生的噪声会向固定壳的第三腔室内扩散,这样能减少噪声的不定向传播。此外,扩散至固定壳内部的噪声在固定壳的遮挡下,会得到进一步有效削弱,使得电动车充电桩的噪声污染降低,提升产品的使用效果。


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    Titel :

    Electric vehicle charging pile with noise reduction function


    Weitere Titelangaben:

    一种具备降噪功能的电动车充电桩


    Beteiligte:
    LEE HOON (Autor:in) / HUANG PENG (Autor:in) / GE JING (Autor:in)

    Erscheinungsdatum :

    2023-10-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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