A high-efficiency heating module for hair dryers

Abstract

The present invention relates to the technical field of hair dryers, and in particular to a high-efficiency heating module used in hair dryers, comprising an outer shell body penetrating through two ends, an insulating bracket installed in the outer shell body, and a heating body fixedly installed on the insulating bracket, the heating body comprising a heat-conducting part and a heating part, the heat-conducting part comprising a heat-dissipating inner cylinder, at least one layer of honeycomb heat-dissipating plate enclosed and arranged outside the heat-dissipating inner cylinder, and an outer heat-dissipating plate enclosed and arranged outside the outermost layer of honeycomb heat-dissipating plate, the heating part comprising a first heating film and a second heating film, the first heating film being sandwiched between the heat-dissipating inner cylinder and the honeycomb heat-dissipating plate, and the second heating film being sandwiched between the outer heat-dissipating plate and the honeycomb heat-dissipating plate; the heat-dissipating inner cylinder, the honeycomb heat-dissipating plate and the outer heat-dissipating plate can all be manufactured by an aluminum doping process, and can achieve the design purpose of small diameter, large length and large number of fins, can greatly increase the surface area, and thus fully dissipate heat.

Description

Technical Field

[0001] The invention relates to the technical field of hair dryers, and in particular to a high-efficiency heating module applied to hair dryers. Background Art

[0002] A hair dryer is a small personal care appliance that can quickly dry hair. It is mainly provided with a guide fluid channel with an air outlet, and a heating module is integrated in the guide fluid channel, so that the wind flowing through the heating module is heated and blown out from the air outlet and acts on the user's hair; because far infrared rays have strong penetration and radiation power, and have significant temperature control effect and resonance effect, they are easily absorbed by objects and converted into the internal energy of objects. After being absorbed by the human body, far infrared rays can resonate with water molecules in the body, activate water molecules, enhance the binding force between molecules, thereby activating biological macromolecules such as proteins, and making biological cells at the highest vibration energy level. Due to the resonance effect of biological cells, far infrared heat energy can be transferred to the deeper part of the human body's subcutaneous layer, and the temperature of the deep layer rises, and the generated warmth is radiated from the inside to the outside. This intensity of action causes capillaries to dilate, promotes blood circulation, strengthens metabolism between tissues, increases the regeneration capacity of tissues, improves the body's immune capacity, and regulates the abnormal excitement state of the mind, thereby playing a role in medical care. If negative ions can be released during the haircut process, they can neutralize static electricity, smooth out the open scaly surface, repair and smooth the hair, and thus play a hair care role.

[0003] In order to make the air outlet of the hair dryer generate negative ions and far-infrared waves, and bring a therapeutic effect to the hair, a ceramic heating element is arranged between the corresponding heating mechanism and the air outlet in the hair dryer. The ceramic heating element has a radiation rate generally greater than 85% at room temperature (25°C to 150°C), has a high light-to-heat conversion efficiency, and can generate negative ions. In this regard, the inventor has proposed a novel far-infrared hair dryer as described in the invention patent application publication number CN116114988A, which is assembled into a heating mechanism (heating module) by arranging an annular heat dissipation component, an annular heating element, a far-infrared ceramic coating and a fixed bracket. The annular heating element is used to connect electricity to generate heat and generate heat energy. The annular heat dissipation component is used for heat conduction, and the annular heat dissipation component is used for heat conduction. A layer of far-infrared ceramic coating is applied on the outer surface. The far-infrared ceramic coating is made of a mixture of far-infrared ceramic powder and high-temperature resistant glue and then applied to the annular heat dissipation component. When the heating element generates heat, the heat can be dissipated through the annular heat dissipation component to provide a hair drying operation. The heat dissipation of the annular heat dissipation component is fully utilized, so that the temperature of the far-infrared ceramic coating can reach between 25°C and 150°C, thereby generating negative ions and far-infrared waves. A fixed bracket is provided so that the annular heat dissipation component can be suspended and wound in the annular chamber, thereby maximizing the compactness of the overall structure, ensuring smooth air outlet, reducing wind resistance and thus reducing noise, giving users a more compact and comfortable practical experience.

[0004] This heating module is mainly based on the fact that a guide component is provided in the hair dryer, which results in the heating module being limited to a single sleeve-shaped structure. If the guide component is removed, in order to achieve the purpose of uniform heating, the space vacated by removing the guide component needs to be filled with the heating module. The general practice is to increase the number of sleeve-shaped structures and to mutually nest a plurality of sleeve-shaped structures of different diameters to achieve the effect of uniform coverage. However, when a plurality of sleeve-shaped structures of different diameters are mutually nested, a certain tolerance will be generated, resulting in difficulty in nesting two adjacent sleeve-shaped structures or shaking after nesting; as described in the invention patent A graphene heating core and hair dryer described in application publication number CN112890401; this heating module mainly involves multiple sleeve-like structures for sleeve matching. If the heat conduction effect is to be guaranteed, the metal sheet, outer radiator, outer insulating layer, graphene heating layer, inner insulating layer, substrate tube and inner radiator need to be closely matched, and the difficulty of assembly will be greatly increased. In addition, both the outer radiator and the inner radiator are formed by enclosing multiple continuous U-shaped curved panels. The radiator structure is complex and difficult to process. Therefore, it is necessary to propose a new technical solution to solve the above problems. Summary of the invention

[0005] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

[0006] A high-efficiency heating module applied to a hair dryer comprises an outer shell body penetrating both ends, an insulating bracket installed in the outer shell body, and a heating body fixedly mounted on the insulating bracket, the heating body comprising a heat-conducting part and a heating part, the heat-conducting part comprising a heat-dissipating inner cylinder, at least one layer of honeycomb heat-dissipating plate enclosed and arranged outside the heat-dissipating inner cylinder, and an outer heat-dissipating plate enclosed and arranged outside the outermost layer of honeycomb heat-dissipating plate, the heating part comprising a first heat-dissipating film and a second heat-dissipating film, the first heat-dissipating film being sandwiched between the heat-dissipating inner cylinder and the honeycomb heat-dissipating plate, and the second heat-dissipating film being sandwiched between the outer heat-dissipating plate and the honeycomb heat-dissipating plate;

[0007] The inner side of the heat dissipation inner cylinder and the outer side of the outer heat dissipation plate are both provided with uniformly arranged first heat dissipation fins, and the two enclosed parts of the outer heat dissipation plate are both provided with locking edges, and the outer heat dissipation plate is enclosed and locked by the two locking edges, and the honeycomb heat dissipation plate is restricted between the outer heat dissipation plate and the heat dissipation inner cylinder;

[0008] The honeycomb heat sink includes a first heat sink and a second heat sink separated from each other by a distance, and evenly arranged second heat sink fins are arranged between the first heat sink and the second heat sink. There are coupling edges on two enclosed parts of the first heat sink and the second heat sink, and the first heat sink and the second heat sink are enclosed and coupled to each other through the coupling edges.

[0009] Preferably, a layer of honeycomb heat dissipation plate is arranged between the heat dissipation inner cylinder and the outer heat dissipation plate, wherein the first heat dissipation plate and the heat dissipation inner cylinder are clearance-fitted, the first heating film is arranged between the first heat dissipation plate and the heat dissipation inner cylinder, the second heat dissipation plate and the outer heat dissipation plate are clearance-fitted, and the second heating film is arranged between the second heat dissipation plate and the outer heat dissipation plate.

[0010] Preferably, second heat dissipation fins are formed on both the first heat dissipation plate and the second heat dissipation plate, and the heat dissipation fins on the first heat dissipation plate and the second heat dissipation plate are arranged alternately.

[0011] Preferably, the heat dissipation fins located at two enclosed locations on the first heat dissipation plate and the second heat dissipation plate form coupling edges.

[0012] Preferably, two adjacent second heat dissipation fins are arranged on the first heat dissipation plate, and the two second heat dissipation fins are curved to form a clamp structure for wrapping the temperature sensor.

[0013] Preferably, the two locking edges are parallel to each other, locking holes are opened on the two locking edges, the two locking edges are connected with bolts through the locking holes, and the external heat dissipation plate is enclosed and locked by the cooperation of the bolts and the two locking edges.

[0014] Preferably, a layer of far-infrared coating is provided on the surfaces of the heat dissipation inner cylinder, the honeycomb heat dissipation plate and the outer heat dissipation plate.

[0015] Preferably, the first heating film and the second heating film are both made of graphene material or heating wire material.

[0016] Preferably, the insulating bracket includes a fixed plate and two first support plates, the fixed plate includes an insert plate and two second support plates spaced apart on both sides of the insert plate, a transition portion is formed between the lower ends of the insert plate and the second support plate, the insert plate and the second support plate are integrally connected through the transition portion, the insert plate is centrally inserted in the heat dissipation inner cylinder, the first support plate and the second support plate are both abutted between the outer heat dissipation plate and the outer shell, and the first support plate and the second support plate are perpendicular to each other, and the insert plate, the first support plate and the second support plate are all inserted through the spacing left by two adjacent first heat dissipation fins.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] By adopting the structural cooperation of the heat dissipation inner cylinder and the outer heat dissipation plate, an annular space can be formed between the heat dissipation inner cylinder and the outer heat dissipation plate to accommodate at least one layer of honeycomb heat plate, and the honeycomb heat plate adopts a structural setting of two plates and a second heat dissipation fin on one surface, and the two plates are enclosed, namely the first heat plate and the second heat plate, so that the second heat dissipation fin is arranged between the first heat plate and the second heat plate, and the first heat plate and the second heat plate are mutually restrained after being enclosed by abutting coupling, so that the heat-conducting part of the heating body can form a multi-layer fin heat dissipation structure, which is mainly assembled and pieced together by simple plates, and the heat dissipation inner cylinder, the honeycomb heat plate and the outer heat plate can all be manufactured by the aluminum doping process, and can achieve the design purpose of small diameter, large length and large number of fins, which can greatly increase the surface area, thereby fully dissipating the heat;

[0019] The heating part is sandwiched by making full use of the structural coordination between the honeycomb heat sink and the heat sink inner tube and the outer heat sink. The heating part adopts a heating film structure and is sandwiched between the honeycomb heat sink and the outer heat sink, as well as between the honeycomb heat sink and the heat sink inner tube. If the honeycomb heat sink is provided with multiple layers, a heating film can also be provided between two adjacent layers of the honeycomb heat sink. The plate structure and the heating film are fully in contact, thereby achieving a sufficient heat conduction and a multi-layer heat conduction design to ensure uniform heating of the fluid.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the top view of the structure of the present invention;

[0024] Figure 3 It is a schematic diagram of the explosion structure of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the honeycomb heat dissipation plate in the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the outer heat dissipation plate in the present invention;

[0027] Figure 6 It is a schematic diagram of the structure of the insulating bracket in the present invention;

[0028] Figure 7 It is a structural schematic diagram of a heat dissipation fin in the present invention;

[0029] Figure 8 It is a structural schematic diagram of another heat dissipation fin in the present invention.

[0030] The reference numerals and names in the figures are as follows:

[0031] The outer shell 10, the insulating bracket 20, the first support plate 21, the plug plate 22, the second support plate 23, the transition part 24, the heating body 30, the heat dissipation inner tube 31, the outer heat dissipation plate 32, the first heat dissipation film 33, the second heat dissipation film 34, the first heat dissipation fins 35, the locking edge 36, the locking hole 37, the bolt member 38, the honeycomb heat dissipation plate 40, the first heat dissipation plate 41, the second heat dissipation plate 42, the second heat dissipation fins 43, the coupling edge 44, and the clamp structure 45. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-6In an embodiment of the present invention, a high-efficiency heating module applied to a hair dryer includes an outer shell 10 passing through both ends, an insulating bracket 20 installed in the outer shell 10, and a heating body 30 fixedly installed on the insulating bracket 20, the heating body 30 includes a heat-conducting part and a heating part, the heat-conducting part includes a heat-dissipating inner cylinder 31, at least one layer of honeycomb heat-dissipating plate 40 enclosed and arranged outside the heat-dissipating inner cylinder 31, and an outer heat-dissipating plate 32 enclosed and arranged outside the outermost layer of the honeycomb heat-dissipating plate 40, the heating part includes a first heating film 33 and a second heating film 34, the first heating film 33 is sandwiched between the heat-dissipating inner cylinder 31 and the honeycomb heat-dissipating plate 40, and the second heating film 34 is sandwiched between the outer heat-dissipating plate 32 and the honeycomb heat-dissipating plate 40;

[0034] The inner side of the heat dissipation inner cylinder 31 and the outer side of the outer heat dissipation plate 32 are both provided with uniformly arranged first heat dissipation fins 35. The two enclosed parts of the outer heat dissipation plate 32 are both provided with locking edges 36. The outer heat dissipation plate 32 is enclosed and locked by the two locking edges 36, and the honeycomb heat dissipation plate 40 is restricted between the outer heat dissipation plate 32 and the heat dissipation inner cylinder 31.

[0035] The honeycomb heat sink 40 includes a first heat sink 41 and a second heat sink 42 spaced apart from each other, and evenly arranged second heat sink fins 43 are provided between the first heat sink 41 and the second heat sink 42. Coupling edges 44 are provided at two enclosed portions of the first heat sink 41 and the second heat sink 42. After the first heat sink 41 and the second heat sink 42 are enclosed, they are abutted and coupled to each other through the coupling edges 44.

[0036] In the above technical solution, by adopting the structural cooperation of the heat dissipation inner cylinder 31 and the outer heat dissipation plate 32, an annular space can be formed between the heat dissipation inner cylinder 31 and the outer heat dissipation plate 32 to accommodate at least one layer of honeycomb heat dissipation plate 40, and the honeycomb heat dissipation plate 40 adopts a structural setting of two plates and a second heat dissipation fin 43 on one surface, and the two plates are enclosed, that is, the first heat dissipation plate 41 and the second heat dissipation plate 42, so that the second heat dissipation fin 43 is arranged between the first heat dissipation plate 41 and the second heat dissipation plate 42, and the abutting coupling method is used. The first heat sink 41 and the second heat sink 42 are mutually constrained after being enclosed, so that the heat-conducting part of the heat-generating body 30 can form a multi-layer fin heat dissipation structure, which is mainly assembled and pieced together by simple plates. The heat dissipation inner tube 31, the honeycomb heat sink 40 and the outer heat sink 32 can all be manufactured by the aluminum-doped process, and can achieve the design purpose of small diameter, large length and large number of fins, which can greatly increase the surface area, thereby fully dissipating heat, and the first heat dissipation fin 35 and the second heat dissipation fin 43 are preferably a wind guide structure in structural design, such as Figure 5 , Figure 7 and Figure 8As shown, the heat dissipation fins may be a strip structure, or a plurality of convex structures arranged in an array, and the convex structure may be an arc-shaped structure capable of guiding the generation of a spiral effect, which is set according to actual conditions;

[0037] The heating part is sandwiched by making full use of the structural coordination between the honeycomb heat sink 40 and the heat sink inner cylinder 31 and the outer heat sink 32. The heating part adopts a heating film structure and is sandwiched between the honeycomb heat sink 40 and the outer heat sink 32, and between the honeycomb heat sink 40 and the heat sink inner cylinder 31. If the honeycomb heat sink 40 is provided with multiple layers, a heating film can also be provided between two adjacent layers of the honeycomb heat sink 40. It utilizes the plate structure and the heating film for full contact, thereby achieving a design mode of sufficient heat conduction and multi-layer heat conduction, thereby ensuring uniform heating of the fluid.

[0038] See also Figure 2 and Figure 4 , taking a layer of honeycomb heat sink 40 disposed between the heat sink inner cylinder 31 and the outer heat sink 32 as an example, wherein the first heat sink 41 and the heat sink inner cylinder 31 are clearance-matched, the first heat-generating film 33 is disposed between the first heat sink 41 and the heat sink inner cylinder 31, the second heat sink 42 and the outer heat sink 32 are clearance-matched, and the second heat-generating film 34 is disposed between the second heat sink 42 and the outer heat sink 32; based on the second heat sink fins 43 being matched, the second heat sink fins 43 are formed on both the first heat sink 41 and the second heat sink 42, and the first heat sink 41 and The heat sinks on the second heat sink 42 are arranged in a staggered manner, so that the first heat sink 41 and the second heat sink 42 can restrain each other to prevent sliding. In addition, by making full use of the structure of the second heat sink fins 43, the heat sink fins located at two enclosed parts on the first heat sink 41 and the second heat sink 42 form a coupling edge 44; two adjacent second heat sink fins 43 are provided on the first heat sink 41, and the two second heat sink fins 43 are curved to form a clamp structure 45 for wrapping the temperature sensor, so that the overall structure is compact and no external parts for fixing are added.

[0039] See also Figure 2 and Figure 5 The two locking edges 36 are parallel to each other and correspond to each other. Locking holes 37 are opened on the two locking edges 36. The two locking edges 36 are connected with bolts 38 through the locking holes 37. The outer heat sink 32 is enclosed and locked by the cooperation of the bolts 38 and the two locking edges 36. In design, the two locking edges 36 can be separated by a distance. By tightening the bolts 38, the compactness of the structural cooperation between the heat sink inner cylinder 31, the outer heat sink 32 and the honeycomb heat sink 40 can be ensured.

[0040] A layer of far-infrared coating (not shown) is provided on the surface of the heat dissipation inner cylinder 31, the honeycomb heat dissipation plate 40 and the outer heat dissipation plate 32; it is used to generate far-infrared rays, which have strong penetration and radiation power, dilate capillaries, promote blood circulation, strengthen metabolism between various tissues, increase tissue regeneration ability, improve the body's immune ability, and regulate abnormal excitement of the mind, thereby playing a role in medical care. If negative ions can be released during the haircut process, static electricity can be neutralized, the open scaly surface can be flattened, and the hair can be repaired and tamed, thereby playing a role in hair care.

[0041] The first heating film 33 and the second heating film 34 are both made of graphene material or electric heating wire material; wherein, the heating of graphene is through the friction between carbon atoms, thereby generating heat, and this friction motion is an irregular motion, also called Brownian motion. The heating method of graphene, a far-infrared ray, is to release a kind of 8-15 micron life ray, which is the same as the sun. After contacting the human body, it can produce the principle of resonance and be absorbed and converted by the human body. Therefore, the far-infrared ray released by the heating process of graphene is a kind of therapeutic ray that is beneficial to the human body. Therefore, this embodiment preferably uses graphene material to make the first heating film 33 and the second heating film 34, which will be able to achieve a more efficient haircut effect.

[0042] See also Figure 6 The insulating bracket 20 includes a fixed plate and two first support plates 21, the fixed plate includes an insert plate 22 and two second support plates 23 spaced apart on both sides of the insert plate 22, a transition portion 24 is formed between the lower ends of the insert plate 22 and the second support plate 23, the insert plate 22 and the second support plate 23 are integrally connected through the transition portion 24, the insert plate 22 is centrally inserted in the heat dissipation inner cylinder 31, the first support plate 21 and the second support plate 23 are both abutted between the outer heat dissipation plate 32 and the outer shell 10, and the first support plate 21 and the second support plate 23 are perpendicular to each other, the insert plate 22, the first support plate 21 and the second support plate 23 are all inserted through the spacing left by two adjacent first heat dissipation fins 35, through the arrangement of the insert plate 22, the first support plate 21 and the second support plate 23, the entire heating body 30 is constrained between the insert plate 22 and the support plate, thereby ensuring the firmness of the fixing of the heating body 30, and can be insulated from the outer shell 10.

[0043] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A high-efficiency heating module for a hair dryer, characterized in that: The heat generating device comprises an outer shell body penetrating through both ends, an insulating bracket installed in the outer shell body, and a heat generating body fixedly installed on the insulating bracket, wherein the heat generating body comprises a heat conducting part and a heat generating part, wherein the heat conducting part comprises a heat dissipating inner cylinder, at least one layer of honeycomb heat dissipating plate enclosed and arranged outside the heat dissipating inner cylinder, and an outer heat dissipating plate enclosed and arranged outside the outermost layer of honeycomb heat dissipating plate, and the heat generating part comprises a first heat generating film and a second heat generating film, wherein the first heat generating film is sandwiched between the heat dissipating inner cylinder and the honeycomb heat dissipating plate, and the second heat generating film is sandwiched between the outer heat dissipating plate and the honeycomb heat dissipating plate; The inner side of the heat dissipation inner cylinder and the outer side of the outer heat dissipation plate are both provided with uniformly arranged first heat dissipation fins, and the two enclosed parts of the outer heat dissipation plate are both provided with locking edges, and the outer heat dissipation plate is enclosed and locked by the two locking edges, and the honeycomb heat dissipation plate is restricted between the outer heat dissipation plate and the heat dissipation inner cylinder; The honeycomb heat sink includes a first heat sink and a second heat sink separated from each other by a distance, and evenly arranged second heat sink fins are arranged between the first heat sink and the second heat sink. There are coupling edges on two enclosed parts of the first heat sink and the second heat sink, and the first heat sink and the second heat sink are enclosed and coupled to each other through the coupling edges.

2. The high-efficiency heating module for a hair dryer according to claim 1, characterized in that: A layer of honeycomb heat dissipation plate is arranged between the heat dissipation inner cylinder and the outer heat dissipation plate, wherein the first heat dissipation plate and the heat dissipation inner cylinder are clearance-fitted, the first heating film is arranged between the first heat dissipation plate and the heat dissipation inner cylinder, the second heat dissipation plate and the outer heat dissipation plate are clearance-fitted, and the second heating film is arranged between the second heat dissipation plate and the outer heat dissipation plate.

3. The high-efficiency heating module for a hair dryer according to claim 2, characterized in that: Second heat dissipation fins are formed on both the first heat dissipation plate and the second heat dissipation plate, and the heat dissipation fins on the first heat dissipation plate and the second heat dissipation plate are arranged alternately.

4. The high-efficiency heating module for a hair dryer according to claim 3, characterized in that: The heat dissipation fins located at two enclosed positions on the first heat dissipation plate and the second heat dissipation plate form coupling edges.

5. The high-efficiency heating module for a hair dryer according to claim 2, characterized in that: Two adjacent second heat dissipation fins are arranged on the first heat dissipation plate, and the two second heat dissipation fins are curved to form a clamp structure for wrapping the temperature sensor.

6. The high-efficiency heating module for a hair dryer according to claim 1, characterized in that: The two locking edges are parallel to each other and are provided with locking holes. The two locking edges are connected with bolts through the locking holes. The outer heat sink is enclosed and locked by the cooperation of the bolts and the two locking edges.

7. The high-efficiency heating module for a hair dryer according to claim 1, characterized in that: A layer of far-infrared coating is arranged on the surfaces of the inner heat dissipation cylinder, the honeycomb heat dissipation plate and the outer heat dissipation plate.

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

9. The high-efficiency heating module for a hair dryer according to claim 1, characterized in that: The insulating bracket includes a fixed plate and two first support plates, the fixed plate includes an insert plate and two second support plates spaced apart on both sides of the insert plate, a transition portion is formed between the lower ends of the insert plate and the second support plate, the insert plate and the second support plate are integrally connected through the transition portion, the insert plate is centrally inserted in the heat dissipation inner cylinder, the first support plate and the second support plate are both abutted between the outer heat dissipation plate and the outer shell, and the first support plate and the second support plate are vertically corresponding to each other, and the insert plate, the first support plate and the second support plate are all inserted through the spacing left by two adjacent first heat dissipation fins.

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