Automatic calibration device for high-altitude atmospheric electric field instrument

The utility model discloses an automatic calibration device for a high-altitude atmospheric electric field instrument, which comprises a grounding mechanism capable of connecting the atmospheric electric field instrument and the ground, a monitoring module arranged on the atmospheric electric field instrument and used for monitoring the null shift state of the atmospheric electric field instrument in real time, and a communication module arranged on the monitoring module and used for monitoring the null shift state of the atmospheric electric field instrument. The monitoring module is electrically connected with the grounding mechanism, the communication module is used for remotely transmitting a monitoring result of the monitoring module and a control instruction of the control terminal, the processing module is electrically connected with the grounding mechanism, the monitoring module and the communication module, and the processing module is used for controlling the grounding mechanism to be grounded accor