Static air ion detection device

The static air ion detection device comprises an ion collection box, a shielding box, a high-voltage electrode plate, an ion collection electrode plate, an anti-escape electrode plate, an electrical connecting piece, a connector, a temperature and humidity regulator, a signal collection controller, a mounting bracket and a sample placement frame, the ion collection box is located in the shieldingbox; a plurality of vent holes are formed in the top of the ion collection box; and the high-voltage electrode plate, the ion acquisition electrode plate, the anti-escape electrode plate, the electrical connecting piece and the sample placement rack are all arranged in the ion acquisition box. According to the utility model, the plurality of vent holes are formed in the top of the ion collection box, so that air inside and outside the ion collection box is circulated, and the temperature and humidity regulator is used for regulating the air, so that the air temperature and humidity in the ioncollection box meet the na