The invention relates to a ventilator and a control device and method of the ventilator, the ventilator is powered by an alternating current power supply or a direct current power supply and driven by an asynchronous motor, and the alternating current power supply or the direct current power supply is selected for independent power supply by detecting the working state of the alternating current power supply. After electric signals output by an alternating-current power supply or a direct-current power supply are processed, the inverter module is shared, alternating-current signals with controllable frequency are output, and an asynchronous motor is driven to drive a ventilator to operate. Stepless speed regulation can be carried out on the ventilator according to needs, the problem that only a fixed wind speed gear is needed when a fixed-frequency draught fan is selected is solved, ventilation efficiency is improved, and the cost of a ventilator unit is saved due to the fact that a synchronous motor does not need to be selected.

    本申请涉及一种通风机、通风机的控制装置及控制方法,通风机使用交流电源或直流电源供电并使用异步电机进行驱动,通过检测交流电源的工作状态,选择交流电源或直流电源进行单独供电,将交流电源或直流电源输出的电信号进行处理后,共用逆变模块并输出频率可控的交流信号,驱动异步电机带动通风机运转。本申请可以根据需要对通风机进行无极调速,解决了选用定频风机时只有固定风速档位的问题,提高了通风效率,也因不需选用同步电机而节省了通风机机组的成本。


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    Titel :

    Ventilator and control device and control method of ventilator


    Weitere Titelangaben:

    一种通风机、通风机的控制装置及控制方法


    Beteiligte:
    CAI GUANGSHU (Autor:in) / WU WEN (Autor:in) / ZHANG YANG (Autor:in) / LU XIANGYU (Autor:in) / ZHANG YONGCHENG (Autor:in)

    Erscheinungsdatum :

    21.11.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS



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