High-efficiency heating module applied to hair dryer

1 . A high-efficiency heating module applied to a hair dryer, comprising a shell body with two run-through ends, an insulation bracket mounted in the shell body, and a heating main body fixedly mounted on the insulation bracket, wherein the heating main body comprises a heat conduction portion and a heating portion; the heat conduction portion comprises a heat radiation inner cylinder, at least one layer of honeycomb-shaped heat radiation plate enclosed on an outer side of the heat radiation inner cylinder, and an outer heat radiation plate enclosed outside the outermost layer of honeycomb-shaped heat radiation plate; the heating portion comprises a first heating film and a second heating film; the first heating film is sandwiched between the heat radiation inner cylinder and the honeycomb-shaped heat radiation plate, and the second heating film is sandwiched between the outer heat radiation plate and the honeycomb-shaped heat radiation plate;

first heat radiation fins are uniformly arranged on an inner side of the heat radiation inner cylinder and an outer side of the outer heat radiation plate; two enclosed portions of the outer heat radiation plate have locking edges; the outer heat radiation plate is enclosed and locked by the two locking edges; the honeycomb-shaped heat radiation plate is limited between the outer heat radiation plate and the heat radiation inner cylinder;

each honeycomb-shaped heat radiation plate comprises a first heat radiation plate and a second heat radiation plate that are spaced apart from each other; second heat radiation fins are uniformly arranged between the first heat radiation plate and the second heat radiation plate; coupling edges are arranged on two enclosed portions of the first heat radiation plate and the second heat radiation plate; and after being enclosed, the first heat radiation plate and the second heat radiation plate resist against and are coupled with each other through the coupling edges.

2 . The high-efficiency heating module applied to the hair dryer according to claim 1 , wherein one layer of honeycomb-shaped heat radiation plate is arranged between the heat radiation inner cylinder and the outer heat radiation plate; the first heat radiation plate is in clearance fit with the heat radiation inner cylinder; the first heating film is arranged between the first heat radiation plate and the heat radiation inner cylinder; the second heat radiation plate is in clearance fit with the outer heat radiation plate; and the second heating film is arranged between the second heat radiation plate and the outer heat radiation plate.

3 . The high-efficiency heating module applied to the hair dryer according to claim 2 , wherein the second heat radiation fins are formed on both the first heat radiation plate and the second heat radiation plate, and the heat radiation fins on the first heat radiation plate and the second heat radiation plate are arranged in a staggered manner.

4 . The high-efficiency heating module applied to the hair dryer according to claim 3 , wherein the heat radiation fins located at the two enclosed portions on the first heat radiation plate and the second heat radiation plate form the coupling edges.

5 . The high-efficiency heating module applied to the hair dryer according to claim 2 , wherein two adjacent cooperative second heat radiation fins are arranged on the first heat radiation plate, and the two second heat radiation fins form an arc-shaped hoop structure configured to wrap a temperature sensor.

6 . The high-efficiency heating module applied to the hair dryer according to claim 1 , wherein the two locking edges are parallel to each other; locking holes are formed in the two locking edges; the two locking edges are connected with bolt pieces through the locking holes; and the outer heat radiation plate is enclosed and locked by cooperation between the bolt pieces and the two locking edges.

7 . The high-efficiency heating module applied to the hair dryer according to claim 1 , wherein a layer of far infrared coating layer is arranged on a surface of each of the heat radiation inner cylinder, the honeycomb-shaped heat radiation plate, and the outer heat radiation plate.

8 . The high-efficiency heating module applied to the hair dryer according to claim 1 , wherein both the first heating film and the second heating film are made of a graphene material or a heating wire material.

9 . The high-efficiency heating module applied to the hair dryer according to claim 1 , wherein the insulation bracket comprises a fixed plate and two first supporting plates; the fixed plate comprises an insertion plate and two second supporting plates spaced apart on two sides of the insertion plate; a transition portion is formed between the insertion plate and a lower end of the second supporting plate; the insertion plate and the second supporting plate are integrally connected through the transition portion; the insertion plate is inserted into a center of the heat radiation inner cylinder; the first supporting plate and the second supporting plate both resist between the outer heat radiation plate and the shell body; the first supporting plate and the second supporting plate correspond vertically to each other; and the insertion plate, the first supporting plate, and the second supporting plate are all inserted through gaps reserved between two adjacent first heat radiation fins.