Explosion suppression and intrinsic safety type central control device for explosive gas environments

The utility model discloses an explosion suppression and intrinsic safety type central control device for explosive gas environments, which comprises a power module unit, a display module unit, a main control microprocessor, a memory module, a communication expansion module and a communication isolation module, wherein the power module unit consists of an alternating current (AC)/direct current (DC) switching power supply, an AC/DC intrinsic safety power supply and a DC/DC power supply board; the display module unit is formed by a display drive board, a display control panel which is electrically connected with the output end of the display drive board, a display inverter and a display; the control output end of the main control microprocessor is electrically connected with the input end of the display drive board; the communication interface of the main control microprocessor is respectively connected with the communication expansion module, the communication isolation module and the memory module in a communication way; and the communication interface of the communication expansion module is connected with the communication isolation module in the communication way. The explosion suppression and intrinsic safety type central control device for explosive gas environments has the advantages that all the output signals of a central controller are ensured to be intrinsically safe signals, and the application scope of the communication interface is greatly expanded.