Novel modularized measurement and control device

The invention discloses a modularized novel measurement and control device, which comprises a main module and a functional module, the main module comprises a first shell with at least one open surface and a cavity located in the first shell, a plurality of first connecting parts are arranged in the cavity, the functional module comprises a second shell with a functional circuit board arranged therein, and the second shell is provided with a plurality of second connecting parts. Each second shell is provided with a second connecting part detachably connected with the first connecting part, and the first shell and the at least two second shells are connected through the first connecting parts and the second connecting parts to form a shell of the measurement and control device. A main function circuit board electrically connected with the function circuit board is further arranged on the inner wall of the cavity, a plurality of function modules and a main module are spliced to form the complete measurement and