High-voltage bushing end screen voltage signal acquisition device

The utility model discloses a high-voltage bushing end screen voltage signal acquisition device. The device comprises a secondary partial pressure box, the secondary voltage dividing box is an all-metal sealing box, and the surface of a box body is provided with a signal input port and a signal output port which are respectively used for connecting a short lead and a wiring terminal of a signal cable. A signal line, a matching resistor, a piezoresistor and a capacitor are arranged in the secondary voltage division box, the signal line is a cable with an insulating sheath, one end of the signal line is connected with a core part of the signal input port, and the other end of the signal line is connected with the matching resistor; the matched resistor adopts a color ring resistor, the resistance value of the matched resistor is consistent with the wave impedance value of the signal cable, and the matched resistor is connected to the core part of the signal output port; the two piezoresistors are close to the s