Flexible fire prevention railway data transmission cable of transponder

The utility model provides a flexible fire prevention railway data transmission cable of transponder, includes the stranded sinle silk, per share sinle silk include conductor, mica around covering andinsulating layer, the mica around the covering around the package in the outside of conductor, the crowded package of insulating layer in the outside of mica around the covering, the stranded sinle silk is through outside around the package stranding around the covering stranding to wind the earial drainage line that still is equipped with the cable between the covering at sinle silk and stranding, the stranding is equipped with the shielding layer around the outside of covering, the outside of shielding layer crowds to make in proper order has flame retardant coating and the back -fire relief layer that is used for the fire prevention, is equipped with copper strips embossing layer between flame retardant coating and back -fire relief layer, the outside on back -fire relief layer still is equipped with inner lin