Automatic measuring device of earthquake intensity

The utility model provides an automatic measuring device of earthquake intensity, including closed shell, main control chip in the casing, three -component MEMS acceleration sensor module, three -component AD conversion unit, a power supply unit, the communication unit, LED display on the casing, three -component MEMS acceleration sensor module includes that the multi -disc is used for detecting the MEMS acceleration sensor of three -component acceleration, it is three -component acceleration data signal that three -component AD conversion unit is used for the three -component acceleration analog signal transition with three -component MEMS acceleration sensor module checking, and with three -component acceleration digital signal transmission to main control chip, main control chip receives and carries out the filter processing behind the acceleration data signal, show on the LED display after adding GPS time service information, calculate earthquake intensity simultaneously, and transmit the numerical result to host computer. The utility model discloses but automatic measure earthquake intensity, simple structure, small, low power dissipation, measuring result are comparatively accurate.