Novel coal conveying belt state signal device

The utility model provides a novel coal conveying belt state signal device which comprises a coal conveying return belt and a return belt driven wheel arranged on the coal conveying return belt. A first proximity switch, a second proximity switch, a first iron block and a second iron block are arranged at an edge opening of the edge of the return belt driven wheel, the first iron block and the second iron block are used for triggering the first proximity switch and the second proximity switch, and the first proximity switch and the second proximity switch are further electrically connected with a coal conveying belt controller. The coal conveying belt state signal device provided by the utility model can reliably, timely and accurately send operation state signals of the coal conveying belt, and provides conditions for fault tripping of coal conveying belt equipment and timely discovery of abnormal operation of the equipment by operation and maintenance personnel. And possible fault expansion or equipment dam