High-voltage live display device

The utility model discloses a high-voltage live display device which comprises an A-phase detection branch, a B-phase detection branch and a C-phase detection branch. Each of the A-phase detection branch, the B-phase detection branch and the C-phase detection branch comprises a resistor, a first diode, a second diode, a capacitor and a display lamp, one end of the resistor is connected with the cathode of the second diode, and the anode of the second diode is connected with the ground end through the display lamp; the anode of the first diode is connected with the cathode of the second diode, and the cathode of the first diode is connected with the anode of the second diode through a capacitor while being grounded. The circuit is simple in structure and low in manufacturing cost. 本实用新型公开了一种高压带电显示装置，包括A相检测支路、B相检测支路和C相检测支路；所述A相检测支路、B相检测支路和C相检测支路均包括电阻、第一二极管、第二二极管、电容和显示灯，所述电阻一端与所述第二二极管的阴极连接，所述第二二极管的阳极通过显示灯与地端连接；所述第一二极管的阳极与所述第二二极管的阴极连接，所述第一二极管的阴极接地的同时通过电容与所述第二二极管的阳极连接。其电路结构简单，制作成本低。