Rainfall automatic monitoring device

The invention discloses a device capable of automatically monitoring rainfall and rainfall parameters and a rainfall sensor. An anti-blocking device is arranged in each rainfall sensor, and the automatic rainfall monitoring device is at least composed of two rainfall sensors which are arranged at a certain distance and are provided with the anti-blocking devices. Rainfall and rainfall signals of the rainfall sensor are collected through the data collection and control unit, the mean value of rainfall and rainfall is obtained through a fusion algorithm and a discrete algorithm, the device is controlled to work, and related information is transmitted to a remote monitoring platform through the signal transmission unit to be displayed. Due to the fact that the anti-blocking device is arranged in the rainfall sensor, the problem that in the prior art, sediment with small particulate matter is brought in by rainfall to block the rainfall sensor can be completely solved, and mistaken measurement data in the rainfal