The embodiment of the invention discloses a VA screen instrument. The VA screen instrument comprises an LED lamp array group, a power supply module, a dimming module, a VA screen interface circuit, a driving module and a control module, wherein the power supply module, the dimming module, the VA screen interface circuit and the driving module are electrically connected with the control module; wherein the LED lamp array groups are divided into at least two groups, the power supply module comprises at least two power supply units, the number of the power supply units is in one-to-one correspondence with the number of the LED lamp array groups, the power supply units are electrically connected with the positive electrodes of the LEDs in the corresponding LED lamp array groups, and the control ends of the driving module are electrically connected with the negative electrodes of the LEDs in the LED lamp array groups respectively; and the control module is used for receiving a signal of the dimming module and controlling the working states of the power supply module and the driving module so as to control the on/off of each LED in the LED lamp array group. According to the VA screen instrument provided by the embodiment of the invention, the problem of floating shadow can be solved.

    本发明实施例公开了一种VA屏仪表。该VA屏仪表包括LED灯阵列组、供电模块、调光模块、VA屏接口电路、驱动模块和控制模块,供电模块、调光模块、VA屏接口电路和驱动模块均与控制模块电连接;其中,LED灯阵列组分为至少两组,供电模块包括与LED灯阵列组的组数一一对应的至少两个供电单元,供电单元与对应的LED灯阵列组中各LED的正极电连接,驱动模块的各控制端分别与LED灯阵列组中各LED的负极电连接;控制模块用于接收调光模块的信号,并控制供电模块和驱动模块的工作状态,以控制LED灯阵列组中各LED的亮灭。本发明实施例提供的VA屏仪表,能够解决浮影问题。


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    Titel :

    VA screen instrument


    Weitere Titelangaben:

    一种VA屏仪表


    Beteiligte:
    SONG DEZHOU (Autor:in) / SHU XIAOMING (Autor:in) / YIN XIAOMING (Autor:in) / LI PENG (Autor:in) / LIU XIAOJIAN (Autor:in)

    Erscheinungsdatum :

    2023-06-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / H05B ELECTRIC HEATING , Elektrische Heizung



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