Field detecting device

A field detecting device, comprising:

• at least one detecting module for receiving environment detecting signals, the at least one detecting module has a first casing in the shape of column, an upper surface of the first casing being provided with a first fixing structure and first connecting pins, and a lower surface of the first casing being provided with a second fixing structure and second connecting pins, and the at least one detecting module being electrically connected between the first connecting pins and the second connecting pins;
• a server module for storing an environment detecting program, the server module being provided in a second casing in the shape of column, an upper surface of the second casing being provided with a first fixing structure and first connecting pins, and a lower surface of the second casing being provided with a second fixing structure and second connecting pins, and the server module being electrically connected between the first connecting pins and the second connecting pins;
• and
• a power module provided in a third casing in the shape of column, an upper surface of the third casing being provided with a first fixing structure and first connecting pins, and a lower surface of the third casing being provided with a second fixing structure and second connecting pins, and the power module being electrically connected between the first connecting pins and the second connecting pins;
• wherein the first fixing structure of one of the at least one detecting modules, the server module and the power module is assembled with the second fixing structure of another module of the at least one detecting modules, the server module and the power module, the server module drives the at least one detecting module according to the environment detecting program, so as to receive the environment detecting signals,
• wherein the power module is assembled with the at least one detecting module or with the server module, for powering the at least one detecting module and the server module.