An air conditioner alternating current and direct current brake circuit comprises an active rectification unit which comprises a first bridge arm, a second bridge arm and a third bridge arm; the first bridge arm and the second bridge arm form a booster circuit; the brake resistor is connected with the third bridge arm of the active rectification unit; the direct-current bus unit comprises a direct-current bus power supply circuit and a direct-current bus capacitor; the relay unit is used for connecting the direct current bus unit with the active rectification unit, connecting the active rectification unit with the brake resistor and switching circuit modes; and the frequency converter unit is used for adjusting the voltage transmitted by the direct-current bus unit to supply power to a post-stage circuit. The characteristics of a three-phase rectifying circuit are combined, the same circuit supports braking in an alternating current mode and a direct current mode, and the interval time of signal detection, logic judgment and working time sequence of software in the circuit and the corresponding working mode of an air conditioner controller is coordinated and controlled through the means of working mode recognition and switching.

    一种空调交、直流制动电路,包括:主动整流单元,包括第一桥臂、第二桥臂、第三桥臂;所述第一桥臂和第二桥臂组成了升压电路;制动电阻,制动电阻与主动整流单元的第三桥臂连接;直流母线单元,包括直流母线供电电路和直流母线电容;继电器单元,用于连接直流母线单元和主动整流单元、主动整流单元和制动电阻,以及切换电路模式;变频器单元,用于调整直流母线单元输送的电压以给后级电路供电。本发明结合了三相整流电路的特点,令同一套电路支持交、直流两种模式的制动,实现了通过工作模式识别和切换的手段,协调控制电路中软件和空调控制器对应工作模式下的信号检测、逻辑判断、工作时序的间隔时间。


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    Titel :

    Air conditioner alternating current and direct current braking circuit, control system, method and device


    Weitere Titelangaben:

    一种空调交、直流制动电路、控制系统、方法、装置


    Beteiligte:
    HE JIAWEI (Autor:in)

    Erscheinungsdatum :

    2023-08-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / F24F Klimatisierung , AIR-CONDITIONING



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