A heat dissipation device for a heat-generating device

Abstract

A heat dissipation device for a heating element includes a heat sink assembly and a snap-fit ​​fixing assembly. The heating element includes a first heating element and a second heating element. The snap-fit ​​fixing assembly is used to simultaneously fix the first heating element and the second heating element to the heat sink assembly and to limit their position. The heat dissipation device for a heating element implementing this invention can simultaneously fix two heating elements to the heat sink assembly using a single snap-fit ​​fixing assembly, thus eliminating the need for individual assembly of each heating element. Furthermore, the snap-fit ​​fixing assembly can directly limit the position of both heating elements without the need for an insulating film for limiting their position, resulting in low assembly difficulty and high efficiency.

Description

Technical Field

[0001] This utility model relates to the field of charging modules, and more specifically, to a heat dissipation device for a heat-generating device. Background Technology

[0002] During the energy conversion process, the charging module generates a large amount of heat from its heat-generating components (such as power transistors). Insufficient heat dissipation will lead to increased component temperatures, accelerated lifespan degradation, decreased efficiency, and in extreme cases, thermal runaway, posing a safety hazard. For safety, heat-generating components are typically cooled. Current methods for cooling these components usually involve mounting each component onto a heat sink one at a time, then using an insulating film for positioning until all components are assembled and positioned. This process is difficult and inefficient. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a heat dissipation device for a heat-generating device that is easy to assemble and has high assembly efficiency, in order to address the above-mentioned deficiencies of the prior art.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to construct a heat dissipation device for a heat-generating device, including a heat sink assembly and a snap-fit ​​fixing assembly; the heat-generating device includes a first heat-generating device and a second heat-generating device; the snap-fit ​​fixing assembly is used to simultaneously fix the first heat-generating device and the second heat-generating device on the heat sink assembly and limit their position.

[0005] In the heat dissipation device of the charging module heat dissipation device of the present invention, the heat sink assembly is provided with a first mounting slot and a second mounting slot, and the first heating device and the second heating device are respectively installed in the first mounting slot and the second mounting slot.

[0006] In the heat dissipation device of the heating device of the present invention, the snap-fit ​​fixing assembly includes a base plate, a limiting part, a first mounting post, a second mounting post, a fixing member, and a fixing member mounting hole;

[0007] The limiting part, the first mounting post and the second mounting post are installed on the side of the substrate facing the heat sink assembly, and the fixing member mounting hole passes through the substrate;

[0008] The limiting part is located between the first heating device and the second heating device to limit the first heating device and the second heating device; the first mounting post is directly opposite the mounting hole of the first heating device and the second mounting post is directly opposite the mounting hole of the second heating device;

[0009] The fastener passes through the fastener mounting hole and is fixed to the heat sink assembly, thereby simultaneously fixing the first heating device and the second heating device to the heat sink assembly.

[0010] In the heat dissipation device of the heating device of the present invention, the mounting hole of the fixing member includes a mounting base provided on the side of the substrate facing away from the heat sink assembly; the fixing member includes a three-combination screw.

[0011] The heat sink assembly is also provided with mounting holes at the positions corresponding to the mounting holes of the fixing component;

[0012] The three-piece screw assembly passes through the mounting base, the substrate, and the mounting hole to secure the heat sink assembly.

[0013] In the heat dissipation device of the heat-generating device described in this utility model, the heat sink assembly includes a first heat-conducting sheet, a second heat-conducting sheet, an insulating film, and a heat sink.

[0014] The first side of the first heating element is attached to the first side of the first heat-conducting sheet, and the first side of the second heating element is attached to the first side of the second heat-conducting sheet;

[0015] The first mounting slot and the second mounting slot are disposed on the heat sink, directly opposite the first heating element and the second heating element;

[0016] The insulating film is disposed between the heat sink and the first and second heat-conducting sheets.

[0017] In the heat dissipation device of the heating device of the present invention, a first opening and a second opening are provided on the insulating film at positions corresponding to the first mounting groove and the second mounting groove. The shape of the first opening matches the shape of the first mounting groove, and the shape of the second opening matches the shape of the second mounting groove. The second side of the first heat-conducting sheet is attached to the bottom surface of the first mounting groove through the first opening, and the second side of the second heat-conducting sheet is attached to the bottom surface of the second mounting groove through the second opening.

[0018] In the heat dissipation device of the heat-generating device described in this utility model, thermally conductive silicone grease layers are respectively coated on the first side and the second side of the first thermally conductive sheet, and thermally conductive silicone grease layers are respectively coated on the first side and the second side of the second thermally conductive sheet.

[0019] In the heat dissipation device of the heat-generating device described in this utility model, the insulating film is provided with a plurality of screw holes, and a plurality of plastic screws are used to fix the insulating film onto the heat sink through the plurality of screw holes.

[0020] In the heat dissipation device of the heat-generating device of the present invention, the heat sink includes a mounting plate and a plurality of fins; the mounting plate is provided with the first mounting groove and the second mounting groove on the side facing the first heat-conducting plate and the second heat-conducting plate, and the plurality of fins are provided on the side of the mounting plate facing away from the first heat-conducting plate and the second heat-conducting plate.

[0021] In the heat dissipation device of the heating device described in this utility model, multiple V-shaped guide grooves are provided on each fin.

[0022] The heat dissipation device of this utility model includes a heat sink assembly and a snap-fit ​​fixing assembly; the heat sink includes a first heat sink and a second heat sink; the snap-fit ​​fixing assembly is used to simultaneously fix the first heat sink and the second heat sink to the heat sink assembly and limit their position. By implementing the heat dissipation device of this utility model, two heat sinks can be simultaneously fixed to the heat sink assembly by a snap-fit ​​fixing assembly, thus eliminating the need for individual heat sink assembly. Furthermore, the snap-fit ​​fixing assembly can directly limit the position of the two heat sinks without the need for an insulating fixing film, resulting in low assembly difficulty and high efficiency.

[0023] Another technical solution adopted by this utility model to solve its technical problem is: to construct a heat dissipation device for a heat-generating device, including multiple heat-generating devices, multiple heat-conducting sheets, multiple snap-fit ​​fixing components, heat sinks and insulating films;

[0024] The heat sink includes a mounting plate and multiple fins. Multiple mounting slots are provided on the side of the mounting plate facing the multiple heat-conducting fins, and the multiple fins are provided on the side of the mounting plate away from the multiple heat-conducting fins.

[0025] The insulating film has multiple openings, each opening facing a mounting slot; a heating device is installed in each mounting slot, the first side of each heating device is attached to the first side of a heat-conducting sheet, and the second side of the heat-conducting sheet is attached to the bottom surface of the corresponding mounting slot through the corresponding opening;

[0026] Each snap-fit ​​assembly is used to secure the two heating elements within the two mounting slots;

[0027] Each of the aforementioned snap-fit ​​fastening components includes a base plate, a limiting part, a first mounting post, a second mounting post, a fastener, and a fastener mounting hole;

[0028] The limiting part, the first mounting post and the second mounting post are installed on the side of the substrate facing the heat-conducting sheet, and the fixing member mounting hole passes through the substrate;

[0029] The limiting part is located between the two heating devices to limit the two heating devices; the first mounting post is directly opposite the mounting hole of one heating device and the second mounting post is directly opposite the mounting hole of the other heating device;

[0030] The fastener passes through the fastener mounting hole and is fixed to the heat sink, thereby simultaneously fixing the two heat-generating devices to the heat sink.

[0031] The heat dissipation device of this utility model includes a heat sink assembly and a snap-fit ​​fixing assembly. The heat sink assembly has a first mounting slot and a second mounting slot, in which a first heating device and a second heating device are respectively mounted. The snap-fit ​​fixing assembly is used to simultaneously fix the first heating device and the second heating device onto the heat sink assembly and to limit their position. By implementing the heat dissipation device of this utility model, two heating devices can be simultaneously fixed into the mounting slots on the heat sink assembly using a single snap-fit ​​fixing assembly. Therefore, it is not necessary to fix and assemble individual heating devices. Furthermore, the snap-fit ​​fixing assembly can directly limit the position of two heating devices without the need for an insulating fixing film, thus reducing assembly difficulty and increasing efficiency. Attached Figure Description

[0032] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0033] Figure 1 This is an assembly diagram of a preferred embodiment of the heat dissipation device for the heating element of this utility model;

[0034] Figure 2 This is an exploded view of a preferred embodiment of the heat dissipation device for the heating element of this utility model;

[0035] Figure 3 It is along Figure 1 A cross-sectional view along line AA;

[0036] Figure 4 This is a schematic diagram of the bottom of the heat-conducting plate;

[0037] Figure 5 This is an assembly diagram of another preferred embodiment of the heat dissipation device for the heating element of this utility model. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0039] Figure 1This is an exploded view of a preferred embodiment of the heat dissipation device for the heating element of this utility model. Figure 2 This is an assembly diagram of a preferred embodiment of the heat dissipation device for the heating element of this utility model. Figure 3 It is along Figure 2 A cross-sectional view along line AA. Figure 4 This is a schematic diagram of the bottom of the heatsink. The following will combine... Figures 1-4 The heat dissipation device of the heating element of this utility model is described as follows.

[0040] like Figures 1-4 As shown, the heat dissipation device of the heat-generating device includes a heat sink assembly 1 and a snap-fit ​​fixing assembly 2; the heat sink assembly 1 is provided with a mounting groove 11 and a mounting groove 12, and the heat-generating device 31 and the heat-generating device 32 are respectively installed in the mounting groove 11 and the mounting groove 12; the snap-fit ​​fixing assembly 2 is used to simultaneously fix the heat-generating device 31 and the heat-generating device 32 on the heat sink assembly 1 and limit their position.

[0041] In this invention, heating devices 31 and 32 can be any suitable heating device in the charging module, such as power transistors (including transistors, switching transistors, MOSFETs, IGBTs, etc.), square capacitors, transformers, etc. The shapes of the mounting slots 11 and 12 and the shape of the snap-fit ​​assembly 2 can be designed according to the actual type of heating device.

[0042] The heat dissipation device for the heating element of this utility model can simultaneously fix two heating elements into the mounting slots on the heat sink assembly using a single snap-fit ​​fixing component. Therefore, it eliminates the need for individual assembly of each heating element. Furthermore, the snap-fit ​​fixing component directly limits the position of both heating elements, eliminating the need for an insulating film for positioning, thus reducing assembly difficulty and increasing efficiency. Moreover, by providing two mounting slots to install the two heating elements separately, the assembly difficulty is further reduced, and the heating elements are isolated, preventing heat transfer.

[0043] Furthermore, such as Figures 2-3As shown, in a preferred embodiment of this utility model, heating devices 31 and 32 are transistors in a charging module. The snap-fit ​​fixing assembly 2 includes a substrate 21, a limiting part 22, a mounting post 23, a mounting post 24, a fixing member 25, and a fixing member mounting hole 26. The limiting part 22, the mounting post 23, and the mounting post 24 are mounted on the side of the substrate 21 facing the heat sink assembly 1, and the fixing member mounting hole 26 penetrates the substrate 21. The limiting part 22 is located between the heating devices 31 and 32 to limit the heating devices 31 and 32; the mounting post 23 is directly opposite the mounting hole 311 of the heating device 31, and the mounting post 24 is directly opposite the mounting hole 321 of the heating device 32. During installation, the mounting post 23 is inserted into the mounting hole 311 of the heating element 31, and the mounting post 24 is inserted into the mounting hole 321 of the heating element 32. The fixing member 25 passes through the fixing member mounting hole 26 and is fixed to the heat sink assembly 1, thereby fixing the heating element 31 and the heating element 32 to the heat sink assembly 1 at the same time. Meanwhile, the limiting part 22 is located in the middle position of the heating element 31 and the heating element 32, so that both can be limited at the same time.

[0044] Further as Figures 2-3 As shown, the mounting hole 26 includes a mounting base 261 disposed on the side of the substrate 21 facing away from the heat sink assembly 1; the fastener 25 includes a three-piece screw 251. A mounting hole 111 is also provided on the heat sink assembly 1 at a position corresponding to the mounting hole 26; the three-piece screw passes through the mounting base 261, the substrate 21, and the mounting hole 111, thereby fixing it to the heat sink assembly 1.

[0045] Further as Figures 2-3 As shown, in a preferred embodiment of this utility model, the heat sink assembly 1 includes a heat-conducting sheet 13, a heat-conducting sheet 14, an insulating film 15, and a heat sink 16. Figures 2-3 As shown, the first side of the heating element 31 is attached to the first side of the heat-conducting sheet 13, and the first side of the heating element 32 is attached to the first side of the heat-conducting sheet 14. The mounting grooves 11 and 12 are disposed on the heat sink 16 directly opposite the heating element 31 and the heating element 32; the insulating film 15 is disposed between the heat sink 16 and the heat-conducting sheets 13 and 14.

[0046] In this preferred embodiment, the heat sink assembly 1 adopts a layered design. The heat sink 16 is made of 6063 aluminum alloy extrusion molding (thermal conductivity ≥202W / m·K), and the heat-conducting sheets 13 and 14 are detachable ceramic heat-conducting sheets. Figure 4As shown, thermally conductive silicone grease layers 301 are coated on the first and second sides of the heat-conducting sheet 13 and the heat-conducting sheet 14, respectively. The first side of the heat-conducting sheet 13 is attached to the bottom surface of the heat-generating device 31 through the thermally conductive silicone grease layer 301, and the second side is attached to the bottom surface of the mounting groove 11 on the heat sink 16 through the thermally conductive silicone grease layer 301. The first side of the heat-conducting sheet 14 is attached to the bottom surface of the heat-generating device 32 through the thermally conductive silicone grease layer 301, and the second side is attached to the bottom surface of the mounting groove 12 on the heat sink 16 through the thermally conductive silicone grease layer 301.

[0047] Further as Figures 2-3 As shown, in a preferred embodiment of this utility model, openings 151 and 152 are provided on the insulating film 15 at positions corresponding to the mounting grooves 11 and 12. The shape of opening 151 matches the shape of the mounting groove 11, and the shape of opening 152 matches the shape of the mounting groove 12. The second side of the heat-conducting sheet 13 is attached to the bottom surface of the mounting groove 11 through the opening 151, and the second side of the heat-conducting sheet 14 is attached to the bottom surface of the mounting groove 12 through the opening 152. A plurality of screw holes 153 are provided on the insulating film 15, and a plurality of plastic screws 60 are used to fix the insulating film 15 to the heat sink 16 through the plurality of screw holes 153 and the screw holes 163 provided on the heat sink 161.

[0048] Further as Figures 2-3 As shown, in a preferred embodiment of this utility model, the heat sink 16 includes a mounting plate 161 and a plurality of fins 162; the mounting plate 161 has mounting grooves 11 and 12 on the side facing the heat-conducting plates 13 and 14, and the plurality of fins 162 are arranged on the side of the mounting plate 161 facing away from the heat-conducting plates 13 and 14. Each fin 162 is microstructured with a plurality of V-shaped flow channels 102, thereby increasing the heat conduction area.

[0049] In this preferred embodiment, the heat sink 16 is manufactured using a continuous extrusion process, reducing processing costs by 52% compared to computer numerical control (CNC) machine tools. The contact surface between the heat sink 16 and the heat-generating device can be achieved using CNC-machined grooves. A single snap-fit ​​assembly can simultaneously fix two heat-generating devices into the mounting slots on the heat sink, eliminating the need for individual device assembly. Furthermore, the snap-fit ​​assembly directly limits the position of both heat-generating devices, eliminating the need for an insulating film and further reducing costs. Therefore, assembly is simple and efficient, saving on the amount of three-way screws and reducing costs. The V-shaped heat dissipation groove design increases the heat conduction area, resulting in efficient heat dissipation.

[0050] The following is combined with Figures 2-4 The manufacturing process and assembly principle of the heat dissipation device of the present invention are described below. First, the overall structure of the heat sink 16 (dimensions 216×79×50mm) is obtained by extrusion molding; its surface is anodized, and mounting grooves 12 and 13 are machined at appropriate positions on the heat sink 16 using CNC machining. A thermally conductive silicone grease layer 301 is coated on the bottom surface of the heat-conducting sheets 13 and 14. Then, openings 151 and 152 on the insulating film 15 corresponding to the mounting grooves 11 and 12 are provided to install the heat-conducting sheets 13 and 14 into the mounting grooves 12 and 13. A thermally conductive silicone grease layer 301 is coated on the top surface of the heat-conducting sheets 13 and 14 and attached to the heat-generating devices 31 and 32. The insulating film is fixed to the heat sink 10 with plastic screws, and the heat-generating devices 31 and 32 are fixed to the heat sink 16 using a snap-fit ​​fixing assembly 2. During installation, the limiting part 22 is located between the heating element 31 and the heating element 32 to limit the heating element 31 and the heating element 32; the mounting post 23 is directly opposite the mounting hole 311 of the heating element 31, and the mounting post 24 is directly opposite the mounting hole 321 of the heating element 32. During installation, the mounting post 23 is inserted into the mounting hole 311 of the heating element 31, and the mounting post 24 is inserted into the mounting hole 321 of the heating element 32; the fixing member 25 passes through the fixing member mounting hole 26 and is fixed to the heat sink assembly 1, thereby simultaneously fixing the heating element 31 and the heating element 32 to the heat sink assembly 1. At the same time, the limiting part 22 is located in the middle position of the heating element 31 and the heating element 32, so both can be limited at the same time.

[0051] Figure 5 This is an assembly diagram of another preferred embodiment of the heat dissipation device for the heating element of this utility model. (See diagram for example.) Figure 5 As shown, the heat dissipation device of the heating device of this utility model includes multiple heating devices 31 and 32, multiple heat-conducting plates 13 and 14, multiple snap-fit ​​fixing components 2, heat sink 16, and insulating film 15.

[0052] The heat sink 16 includes a mounting plate 161 and multiple fins 162. Multiple mounting slots 11 and 12 are provided on the side of the mounting plate 161 facing the multiple heat-conducting plates 13 and 14, and the multiple fins 162 are provided on the side of the mounting plate 161 facing away from the multiple heat-conducting plates 13 and 14. Multiple openings are provided on the insulating film 15, each opening facing a mounting slot 11 or 12. A heating element is installed in each mounting slot 11 or 12. The first side of each heating element is attached to the first side of a heat-conducting plate 13 or 14, and the second side of the heat-conducting plate 13 or 14 is attached to the bottom surface of the corresponding mounting slot 11 or 12 through the corresponding opening. Each snap-fit ​​fixing assembly 2 is used to fix two heating elements in two mounting slots 11 or 12.

[0053] exist Figure 5 In the preferred embodiment shown, eight heating elements and eight heat-conducting sheets are provided, divided into four groups, each group being fixed by a snap-fit ​​fixing component 2. Of course, in other preferred embodiments of this invention, any suitable number of heating elements and heat-conducting sheets can be provided. Then, the number of mounting slots and openings is determined according to their quantity.

[0054] Combination Figure 2 and 5 It is understood that each of the snap-fit ​​fixing components 2 includes a base plate 21, a limiting part 22, a mounting post 23, a mounting post 24, a fixing member 25, and a fixing member mounting hole 26; the limiting part 22, the mounting post 23, and the mounting post 24 are installed on the side of the base plate 21 facing the heat-conducting plates 13 and 14, and the fixing member mounting hole 26 passes through the base plate 21; the limiting part 22 is located between the two heating devices to limit the two heating devices; the mounting post 23 is directly opposite the mounting hole of one heating device, and the mounting post 24 is directly opposite the mounting hole of the other heating device; the fixing member 25 passes through the fixing member mounting hole 26 and is fixed to the heat sink 16, thereby simultaneously fixing the two heating devices to the heat sink 16.

[0055] Those skilled in the art will know that Figure 5 The specific structure of the heat dissipation device for the heat-generating device shown can be further determined according to... Figures 1-4 The construction of the embodiments shown will not be described again here.

[0056] In this preferred embodiment, the heat sink is manufactured using a continuous extrusion process, reducing processing costs by 52% compared to CNC machine tools. The contact surface between the heat sink and the heat-generating device can be achieved using CNC-machined grooves. A single snap-fit ​​assembly can simultaneously fix two heat-generating devices into the mounting slots on the heat sink, eliminating the need for individual device assembly. Furthermore, the snap-fit ​​assembly directly positions both heat-generating devices without the need for an insulating film, further reducing costs. Therefore, assembly is simple and efficient, saving on the amount of three-way screws and reducing costs. The V-shaped heat dissipation groove design increases the heat conduction area, resulting in efficient heat dissipation.

[0057] Although this utility model has been described through specific embodiments, those skilled in the art should understand that various modifications and equivalent substitutions can be made to this utility model without departing from its scope. Furthermore, various modifications can be made to this utility model for specific situations or materials without departing from its scope. Therefore, this utility model is not limited to the specific embodiments disclosed, but should include all embodiments falling within the scope of the claims of this utility model.

[0058] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heat dissipation device for a heat-generating device, characterized in that, It includes a heat sink assembly and a snap-fit ​​fixing assembly; the heating device includes a first heating device and a second heating device; the snap-fit ​​fixing assembly is used to simultaneously fix the first heating device and the second heating device on the heat sink assembly and limit their position.

2. The heat dissipation device for the heating device according to claim 1, characterized in that, The heat sink assembly is provided with a first mounting slot and a second mounting slot, and the first heating element and the second heating element are respectively installed in the first mounting slot and the second mounting slot.

3. The heat dissipation device for the heating device according to claim 2, characterized in that, The buckle fixing assembly includes a base plate, a limiting part, a first mounting post, a second mounting post, a fixing member, and a fixing member mounting hole; The limiting part, the first mounting post and the second mounting post are installed on the side of the substrate facing the heat sink assembly, and the fixing member mounting hole passes through the substrate; The limiting part is located between the first heating device and the second heating device to limit the first heating device and the second heating device; the first mounting post is directly opposite the mounting hole of the first heating device and the second mounting post is directly opposite the mounting hole of the second heating device; The fastener passes through the fastener mounting hole and is fixed to the heat sink assembly, thereby simultaneously fixing the first heating device and the second heating device to the heat sink assembly.

4. The heat dissipation device for the heating device according to claim 3, characterized in that, The mounting hole for the fastener includes a mounting base disposed on the side of the substrate facing away from the heat sink assembly; the fastener includes a three-piece set of screws. The heat sink assembly is also provided with mounting holes at the positions corresponding to the mounting holes of the fixing component; The three-piece screw assembly passes through the mounting base, the substrate, and the mounting hole to secure the heat sink assembly.

5. The heat dissipation device for the heat-generating device according to any one of claims 2-4, characterized in that, The heat sink assembly includes a first heat-conducting sheet, a second heat-conducting sheet, an insulating film, and a heat sink. The first side of the first heating element is attached to the first side of the first heat-conducting sheet, and the first side of the second heating element is attached to the first side of the second heat-conducting sheet; The first mounting slot and the second mounting slot are disposed on the heat sink, directly opposite the first heating element and the second heating element; The insulating film is disposed between the heat sink and the first and second heat-conducting sheets.

6. The heat dissipation device for the heating device according to claim 5, characterized in that, The insulating film has a first opening and a second opening at positions corresponding to the first mounting groove and the second mounting groove, the shape of the first opening matches the shape of the first mounting groove, and the shape of the second opening matches the shape of the second mounting groove; the second side of the first heat-conducting sheet is attached to the bottom surface of the first mounting groove through the first opening, and the second side of the second heat-conducting sheet is attached to the bottom surface of the second mounting groove through the second opening.

7. The heat dissipation device for the heat-generating device according to claim 6, characterized in that, The first and second sides of the first heat-conducting sheet are respectively coated with thermally conductive silicone grease layers, and the first and second sides of the second heat-conducting sheet are respectively coated with thermally conductive silicone grease layers; the insulating film is provided with a plurality of screw holes, and a plurality of plastic screws are used to fix the insulating film to the heat sink through the plurality of screw holes.

8. The heat dissipation device for the heat-generating device according to claim 5, characterized in that, The heat sink includes a mounting plate and multiple fins; the mounting plate has a first mounting groove and a second mounting groove on the side facing the first heat-conducting plate and the second heat-conducting plate, and the multiple fins are arranged on the side of the mounting plate away from the first heat-conducting plate and the second heat-conducting plate.

9. The heat dissipation device for the heating device according to claim 8, characterized in that, Multiple V-shaped flow channels are provided on each fin.

10. A heat dissipation device for a heat-generating device, characterized in that, It includes multiple heat-generating devices, multiple heat-conducting sheets, multiple snap-fit ​​components, a heat sink, and an insulating film; The heat sink includes a mounting plate and multiple fins. Multiple mounting slots are provided on the side of the mounting plate facing the multiple heat-conducting fins, and the multiple fins are provided on the side of the mounting plate away from the multiple heat-conducting fins. The insulating film has multiple openings, each opening facing a mounting slot; a heating device is installed in each mounting slot, the first side of each heating device is attached to the first side of a heat-conducting sheet, and the second side of the heat-conducting sheet is attached to the bottom surface of the corresponding mounting slot through the corresponding opening; Each snap-fit ​​assembly is used to secure the two heating elements within the two mounting slots; Each of the aforementioned snap-fit ​​fastening components includes a base plate, a limiting part, a first mounting post, a second mounting post, a fastener, and a fastener mounting hole; The limiting part, the first mounting post and the second mounting post are installed on the side of the substrate facing the heat-conducting sheet, and the fixing member mounting hole passes through the substrate; The limiting part is located between the two heating devices to limit the two heating devices; the first mounting post is directly opposite the mounting hole of one heating device and the second mounting post is directly opposite the mounting hole of the other heating device; The fastener passes through the fastener mounting hole and is fixed to the heat sink, thereby simultaneously fixing the two heat-generating devices to the heat sink.

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