Mining-intrinsic-safe-type emergency stop switch master control transmission box

• Main Authors: YAO CHUN, CHEN YAN, LIU XIAOMING, WANG YANPU
• Format: Patent
• Language: Chinese; English
• Published: 30.01.2013
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

A mining-intrinsic-safe-type emergency stop switch master control transmission box is characterized in that the transmission box comprises a master control transmission box body (1); an upper side of the master control transmission box body (1) is provided with a signal output terminal (5); an outer side of the signal output terminal (5) is provided with a signal input terminal and a power supply input terminal (6); a circuit board (2) is arranged on a lower side in the master control transmission box body (1). The emergency stop switch master control transmission box of the utility model is mining-intrinsic-safe-type electrical equipment. The transmission box is suitable for an environment where there is gas and coal dust explosion risks in a underground coal mine and is also suitable for severe environments of metallurgy, a building material, the mine, a coal preparation plant, an iron and steel plant, a thermal power plant, a port and the like. And the transmission box is used for fault emergency stop of a