Connecting structure of LED lamp plate and cooling device and making method of structure

The invention discloses a connecting structure of an LED lamp plate and a cooling device. The connecting structure comprises multiple fins and the cooling device connected with the fins; the cooling device comprises an abut-joint plate, multiple convex heads are arranged on the end face, facing the fins, of the abut-joint plate, a bending part is arranged at the end, connected with the abut-jointplate, of the fins, the bending part is provided with multiple connection holes, the bending part of the fins is in attached connection to the end face of the abut-joint plate, and the connection holes are in fit connection with the convex heads. A making method of the connecting structure of the LED lamp plate and the cooling device comprises the steps that the fins are inserted in abut-joint strips, and connecting concave positions are clamped to the clamping parts of the abut-joint strips in a fit manner, the fins inserted in the abut-joint strips carry out impact on an assembling groove way to enable the assemblin