One-connected-more control device of coal mine high pressure soft-starter

The utility model relates to a general type high pressure soft starter and a one-connected-more control device thereof, in particular to the one-connected-more control device of the coal mine high pressure soft-starter, which is applied to environments such as coal mine underground parking lots, total air channels, main air channels and the like. The device solves the problem that the existing high pressure soft starter covers a large area and has low device utilization rate and complex system maintenance. The one-connected-more control device of the coal mine high pressure soft-starter comprises a control cabinet which is internally provided with a power supply busbar, an isolating switch, a current transformer, an insurance device, a PLC control plate and a soft starter; the input end of the soft starter is connected with the output end of the PLC control plate; both ends of the soft starter are connected with a bypass contactor in parallel; one end of the soft starter is connected with an input vacuum contactor by the insurance device; and the other end of the input vacuum contactor is connected with the power supply busbar by the isolating switch. The device has simple structure and reasonable design, occupies small area and is suitable for places such as the coal mine underground parking lots, the total air channels, the main air channels and the like.