Heat-conducting assembly and light module heat dissipation module

Abstract

The utility model discloses a kind of heat conduction components and optical module heat dissipation module, wherein heat conduction component includes: fitting, heat-conducting interface material, at least one adhesive piece;Fitting is provided with the first surface for being contacted with heat source, the second surface that heat-conducting interface material is attached, two long edges that are provided with first bending part and two short edges that are provided with extension, the inner surface of two first bending parts is provided with multiple positioning convex parts or is provided with adhesive piece, two extension is correspondingly provided with adhesive piece or second bending part, the inner surface of second bending part is provided with multiple positioning convex parts, when fitting cover is set in radiator, heat-conducting interface material is contacted with the top surface of radiator, adhesive piece is attached with the surface of radiator, positioning convex part is inserted into the mounting hole of the outer side wall of radiator, the cooperation of above-mentioned fitting and adhesive piece and positioning convex part realizes that heat-conducting interface material is easily assembled to optical module heat dissipation module and not easy to be deformed to maintain the effect of good contact with radiator.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of optical module heat dissipation technical field, especially a kind of heat conduction assembly and optical module heat dissipation module. BACKGROUND

[0002] In the optical communication field, laser, modulator, photodetector and digital signal processor and other elements are finely integrated inside optical module, these optical module elements will generate a large amount of heat energy in high-speed operation, if these heat cannot be effectively exported, then it will directly threaten the stability of optical module internal environment, affect the quality of optical signal, and also accelerate the aging of optical module elements, leading to the shortening of the life of equipment.

[0003] The existing optical module heat dissipation module will set up heat conduction interface material to transfer heat from element to heat sink, but due to the viscoelastic properties of such material itself, it leads to the difficulty of heat conduction interface material assembly to optical module heat dissipation module, and deformation is easy to occur in the use process, which affects the heat dissipation performance of optical module heat dissipation module. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of heat conduction assembly, which can realize that heat conduction interface material is easily assembled to optical module heat dissipation module and is not easy to deform to maintain good contact with heat sink effect.

[0005] Another object of the utility model is to provide a kind of optical module heat dissipation module, wherein the heat conduction assembly can realize that heat conduction interface material is easily assembled to optical module heat dissipation module and is not easy to deform to maintain good contact with heat sink effect.

[0006] In order to achieve the above object, the utility model provides a kind of heat conduction assembly, which comprises:

[0007] assembly, heat conduction interface material, at least one adhesive;

[0008] The assembly is provided with first surface, second surface, two long edges and two short edges, the first surface is used to contact with heat source, the second surface is attached with the heat conduction interface material, two the long edges are provided with first bending part close to the second surface, two the short edges are provided with extension part;

[0009] The inner surface of two the first bending parts is provided with a plurality of positioning convex parts, the inner surface of one of two the extension parts is provided with the adhesive, the inner surface of the other is provided with the adhesive or edge is provided with second bending part, the inner surface of the second bending part is provided with a plurality of positioning convex parts, the positioning convex part is used to be clamped into the mounting hole of the outer side wall of heat sink; or,

[0010] The inner surface of the two first bending parts is provided with the adhesive, the edge of one of the two extension parts is provided with a second bending part, and the inner surface of the other is provided with the adhesive or the edge is provided with a second bending part, the inner surface of the second bending part is provided with a plurality of positioning protrusions for being clamped into the mounting holes of the outer side wall of the heat dissipation device; or,

[0011] The inner surface of the two first bending parts and the two extension parts is provided with the adhesive;

[0012] When the assembly cover is arranged on the heat dissipation device, the thermally conductive interface material is in contact with the top surface of the heat dissipation device, and the adhesive is attached to the surface of the heat dissipation device.

[0013] Preferably, the first bending part with the inner surface provided with the positioning protrusions comprises a first connecting part connected with the long edge and a plurality of first movable parts arranged at intervals along the extension direction of the assembly, and the inner surface of each first movable part is provided with at least one positioning protrusion.

[0014] Preferably, the front side of the top surface of the heat dissipation device is provided with a slope surface, the extension part comprises a first extension part arranged at the front side of the assembly and a second extension part arranged at the rear side of the assembly, the first extension part comprises a parallel part connected with the short edge and an inclined part, the inclined part is arranged parallel to the slope surface of the heat dissipation device, and the parallel part and the second extension part are arranged parallel to the top surface of the heat dissipation device.

[0015] Preferably, the second bending part arranged at the edge of the first extension part is provided with a plurality of and arranged at intervals, each second bending part comprises a second connecting part connected with the inclined part and parallel to the second connecting part and a second movable part, and the inner surface of the second movable part is provided with at least one positioning protrusion.

[0016] Preferably, the second bending part arranged at the edge of the second extension part comprises a second connecting part connected with the second extension part and a plurality of second movable parts arranged at intervals, and the inner surface of each second movable part is provided with at least one positioning protrusion.

[0017] Preferably, the material of the assembly is nickel alloy, cold-rolled steel, stainless steel, carbon steel, copper alloy, copper, aluminum alloy, aluminum, or a combination of the above materials.

[0018] Preferably, the thermally conductive interface material is a thermally conductive silicone gasket, a thermally conductive gel, or a thermally conductive phase change material.

[0019] Preferably, the adhesive is an adhesive or a double-sided adhesive tape provided with an adhesive;

[0020] The adhesive arranged on the inner surface of the first bending part is provided with one and in a strip shape; or,

[0021] The adhesive arranged on the inner surface of the first bending part is provided with multiple and arranged in the extension direction of the assembly part.

[0022] Preferably, the adhesive is epoxy resin, polyurethane, acrylate, silicone, EVA, polyamide, polyester, neoprene or nitrile rubber.

[0023] In order to achieve the above-mentioned another object, the utility model provides a kind of optical module heat dissipation module, it includes:

[0024] As the heat conduction component as described above, the first surface is in contact with the optical module element;

[0025] The heat dissipation component is provided with heat dissipation device, and the heat conduction component cover is arranged on the heat dissipation device.

[0026] Compared with the prior art, the utility model is equipped with assembly part and adhesive to assemble heat conduction interface material to heat dissipation device, assembly part is provided with the first surface for being in contact with heat source, the second surface is attached with heat conduction interface material, two long edges are provided with first bending part and two short edges are provided with extension part, the inner surface of two first bending parts is provided with multiple positioning convex parts or adhesive, and two extension parts are correspondingly provided with adhesive or second bending part, the inner surface of second bending part is provided with multiple positioning convex parts, when assembly part cover is arranged on heat dissipation device, heat conduction interface material is in contact with the top surface of heat dissipation device, adhesive is attached with the surface of heat dissipation device, and positioning convex part is clamped into the mounting hole of the outer side wall of heat dissipation device, and the cooperation of above-mentioned assembly part, adhesive and positioning convex part realizes that heat conduction interface material is easily assembled to optical module heat dissipation module and is not easy to deform to keep the effect of good contact with heat dissipation device. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the perspective view of the first embodiment of the heat conduction component and heat dissipation device of the utility model.

[0028] Figure 2 It is the exploded view of the first embodiment of the heat conduction component and heat dissipation device of the utility model.

[0029] Figure 3 It is Figure 2 It is the perspective view of another angle.

[0030] Figure 4 It is the perspective view of the second embodiment of the heat conduction component and heat dissipation device of the utility model.

[0024]

[0025]

[0026]

[0027] Figure 1

[0028] Figure 2

[0029] Figure 3 Figure 2

[0030] Figure 4

[0031] Figure 5It is the exploded structural view of the fourth embodiment of the heat conducting assembly and the heat dissipating device.

[0032] Figure 6 For Figure 5 Another perspective view of the structural diagram.

[0033] Figure 7 It is the perspective view of the fifth embodiment of the heat conducting assembly and the heat dissipating device.

[0034] Figure 8 It is the exploded structural view of the fifth embodiment of the heat conducting assembly and the heat dissipating device.

[0035] Figure 9 For Figure 8 Another perspective view of the structural diagram.

[0036] Figure 10 It is the perspective view of the fifth embodiment of the heat conducting assembly and the heat dissipating device.

[0037] Figure 11 It is the exploded structural view of the fifth embodiment of the heat conducting assembly and the heat dissipating device.

[0038] Figure 12 For Figure 11 Another perspective view of the structural diagram. Specific implementation

[0039] In order to make the technical content, structural features, achieved purposes and effects of the utility model more clear, the following will be described in detail in combination with the embodiments and the drawings.

[0040] Please refer to Figures 1 to 12 The utility model discloses a kind of heat conducting assemblies, it includes:

[0041] assembly part 1, heat conducting interface material 2, at least one adhesive 3;

[0042] Assembly part 1 is provided with first surface 11, second surface 12, two long edges 13 and two short edges 14, first surface 11 is used to contact with heat source, second surface 12 is attached with heat conducting interface material 2, two long edges 13 are provided with the first bending part 15 close to second surface 12, two short edges 14 are provided with extension 16;

[0043] The inner surface of two first bending parts 15 is provided with a plurality of positioning convex parts 17, the inner surface of one of two extension 16 is provided with adhesive 3, the inner surface of another is provided with adhesive 3 or the edge is provided with second bending part 18, the inner surface of second bending part 18 is provided with a plurality of positioning convex parts 17, positioning convex part 17 is used to be clamped into the mounting hole 101 of the outer side wall 102 of heat dissipating device 100;Or,

[0044] The inner surfaces of the two first bending parts 15 are provided with the adhesive pieces 3, the edge of one of the two extension parts 16 is provided with the second bending part 18, the inner surface of the other is provided with the adhesive piece 3 or the edge is provided with the second bending part 18, the inner surface of the second bending part 18 is provided with a plurality of positioning protrusions 17, and the positioning protrusions 17 are used for being clamped into the mounting holes 101 of the outer side wall 102 of the heat dissipation device 100; or,

[0045] The inner surfaces of the two first bending parts 15 and the two extension parts 16 are provided with the adhesive pieces 3.

[0046] When the assembly part 1 is covered on the heat dissipation device 100, the heat-conducting interface material 2 is in contact with the top surface of the heat dissipation device 100, and the adhesive pieces 3 are attached to the surface of the heat dissipation device 100.

[0047] Compared with the prior art, the heat-conducting interface material 2 is assembled to the heat dissipation device 100 by setting the assembly part 1 and the adhesive piece 3, the assembly part 1 is provided with the first surface 11 used for being in contact with the heat source, the second surface 12 attached with the heat-conducting interface material 2, the two long edges 13 provided with the first bending parts 15, and the two short edges 14 provided with the extension parts 16, the inner surfaces of the two first bending parts 15 are provided with a plurality of positioning protrusions 17 or the adhesive pieces 3, the two extension parts 16 are correspondingly provided with the adhesive pieces 3 or the second bending parts 18, the inner surfaces of the second bending parts 18 are provided with a plurality of positioning protrusions 17, when the assembly part 1 is covered on the heat dissipation device 100, the heat-conducting interface material 2 is in contact with the top surface of the heat dissipation device 100, the adhesive pieces 3 are attached to the surface of the heat dissipation device 100, and the positioning protrusions 17 are clamped into the mounting holes 101 of the outer side wall 102 of the heat dissipation device 100, the cooperation of the above-mentioned assembly part 1, the adhesive piece 3 and the positioning protrusion 17 realizes the effect that the heat-conducting interface material 2 is easily assembled to the optical module heat dissipation module and is not easy to deform to keep good contact with the heat dissipation device 100.

[0048] Specifically, the extension part 16 includes the first extension part 161 provided on the front side of the assembly part 1 and the second extension part 162 provided on the rear side of the assembly part 1, as shown in Figures 1 to 6 As shown in the drawings, in the first embodiment, the second embodiment and the third embodiment, the inner surfaces of the two first bending parts 15 are provided with a plurality of positioning protrusions 17, wherein, as shown in Figures 1 to 3 As shown in the drawings, the inner surfaces of the first extension part 161 and the second extension part 162 in the first embodiment are provided with the adhesive pieces 3; as shown in Figures 4 to 6As shown in the figures, the inner surface of the first extension 161 in the second embodiment is provided with the adhesive 3, the edge of the second extension 162 is provided with the second bending part 18, and the inner surface of the second bending part 18 is provided with the plurality of positioning protrusions 17; the edge of the first extension 161 in the third embodiment is provided with the second bending part 18, the inner surface of the second bending part 18 is provided with the plurality of positioning protrusions 17, and the inner surface of the second extension 162 is provided with the adhesive 3.

[0049] As shown in the figures, in the fourth embodiment, the fifth embodiment and the sixth embodiment, the inner surface of the two first bending parts 15 is provided with the adhesive 3, wherein, as shown in the figures, in the fourth embodiment, the edge of the first extension 161 and the second extension 162 is provided with the second bending part 18, and the inner surface of the second bending part 18 is provided with the plurality of positioning protrusions 17; as shown in the figures, in the fifth embodiment, the edge of the first extension 161 is provided with the second bending part 18, the inner surface of the second bending part 18 is provided with the plurality of positioning protrusions 17, and the inner surface of the second extension 162 is provided with the adhesive 3; in the sixth embodiment, the inner surface of the first extension 161 is provided with the adhesive 3, the edge of the second extension 162 is provided with the second bending part 18, and the inner surface of the second bending part 18 is provided with the plurality of positioning protrusions 17. Figures 7 to 12 Figures 7 to 9 Figures 10 to 12

[0050] In the seventh embodiment, the inner surface of the two first bending parts 15, the first extension 161 and the second extension 162 is provided with the adhesive 3.

[0051] Specifically, the surface of the heat dissipation device 100 includes the outer side wall 102, the top surface 103 and the inclined surface 104 of the heat dissipation device 100, and the outer side wall 102 of the heat dissipation device 100 includes the two long side walls 1021, the front side wall 1022 and the rear side wall 1023. In the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment and the sixth embodiment, at least one outer side wall 102 of the heat dissipation device 100 is provided with the mounting hole 101 to cooperate with the positioning protrusion 17.

[0052] As shown in the figures, in the first embodiment, the second embodiment and the third embodiment, the first bending part 15 provided with the positioning protrusion 17 on the inner surface includes a first connecting part 151 connected with the long edge 13 and a plurality of first movable parts 152 arranged in the extension direction of the assembly 1, and the inner surface of each first movable part 152 is provided with at least one positioning protrusion 17. Figures 1 to 6

[0053] ​​​​Specifically, the two long side walls 1021 of the heat dissipation device 100 are provided with a plurality of mounting holes 101 arranged at intervals along the extension direction of the two long side walls 1021, and the positioning protrusions 17 of the first movable part 152 are inserted into the mounting holes 101. The matching arrangement of the positioning protrusions 17 inserted into the mounting holes 101 enables the assembly part 1 to be stably mounted to the heat dissipation device 100, and also enables the assembly part 1 to be quickly and accurately assembled and positioned to the heat dissipation device 100, effectively improving the assembly speed and assembly yield, and facilitating the realization of automatic assembly.

[0054] Referring to Figures 1 to 12 , the front side of the top surface 103 of the heat dissipation device 100 is provided with a slope surface 104, the extension part 16 includes a first extension part 161 provided on the front side of the assembly part 1 and a second extension part 162 provided on the rear side of the assembly part 1, the first extension part 161 includes a parallel part 1611 connected with the short edge 14 and an inclined part 1612, the inclined part 1612 is arranged parallel to the slope surface 104 of the heat dissipation device 100, and the parallel part 1611 and the second extension part 162 are arranged parallel to the top surface 103 of the heat dissipation device 100.

[0055] Specifically, in the first embodiment, the second embodiment, the sixth embodiment and the seventh embodiment, the inner surface of the first extension part 161 is provided with the adhesive part 3, a part of the adhesive part 3 is attached to the inner surface of the parallel part 1611 and corresponds to the front side of the top surface 103 of the heat dissipation device 100, and another part of the adhesive part 3 is attached to the inner surface of the inclined part 1612 and corresponds to the slope surface 104 of the heat dissipation device 100, but is not limited to this, in some embodiments, the adhesive part 3 can also be attached only to the inner surface of the parallel part 1611 or the inclined part 1612.

[0056] In the first embodiment, the third embodiment, the fifth embodiment and the seventh embodiment, the inner surface of the second extension part 162 is provided with the adhesive part 3, a part of the adhesive part 3 is attached to the inner surface of the second extension part 162, and another part of the adhesive part 3 is extended and attached to the second surface 12 to correspond to the rear side of the top surface 103 of the heat dissipation device 100, but is not limited to this, in some embodiments, the adhesive part 3 can also be attached only to the inner surface of the second extension part 162.

[0057] The assembly part 1 is provided with the adhesive part 3 and the positioning protrusions 17 at the same time, which can realize the assembly mode of first determining the mounting position of the assembly part 1 by the positioning protrusions 17, and then synchronously cooperating and fixing the assembly part 1 by the adhesive part 3 and the positioning protrusions 17, which is beneficial to improve the assembly yield and realize automatic assembly.

[0058] Referring to Figures 7 to 9In the third, fourth and fifth embodiments, the second bending portion 18 arranged at the edge of the first extending portion 161 is arranged in multiple and is arranged in intervals, each second bending portion 18 comprises a second connecting portion 181a connected with the inclined portion 1612 and parallel to the inclined portion 1612, and a second movable portion 182a, the inner surface of the second movable portion 182a is provided with at least one positioning protrusion 17.

[0059] Specifically, the front side wall 1022 of the heat dissipation device 100 is provided with a plurality of mounting holes 101 arranged in intervals along the extending direction of the front side wall 1022 corresponding to the positioning protrusion 17 of the second movable portion 182a, but not limited thereto.

[0060] Referring to Figures 4 to 9 In the second, fourth and sixth embodiments, the second bending portion 18 arranged at the edge of the second extending portion 162 comprises a second connecting portion 181b connected with the second extending portion 162 and a plurality of second movable portions 182b arranged in intervals, the inner surface of each second movable portion 182b is provided with at least one positioning protrusion 17.

[0061] Specifically, the rear side wall 1023 of the heat dissipation device 100 is provided with a plurality of mounting holes 101 arranged in intervals along the extending direction of the rear side wall 1023 corresponding to the positioning protrusion 17 of the second movable portion 182b, but not limited thereto.

[0062] The positioning protrusion 17 of the assembly 1 is arranged to form a clamping fit with the mounting hole 101, which can quickly and accurately assemble and position the assembly 1 to the heat dissipation device 100, effectively improving the assembly speed and assembly yield, and facilitating the realization of automatic assembly.

[0063] Referring to Figures 1 to 12 The material of the assembly 1 is stainless steel, but not limited thereto, in some embodiments, the material of the assembly 1 can also be nickel alloy, cold rolled steel, stainless steel, carbon steel, copper alloy, copper, aluminum alloy, aluminum or a combination of the above materials.

[0064] Specifically, the material of the assembly 1 is easy to be hardware processed and has a certain heat conduction capacity, the first surface 11 of the assembly 1 is in contact with the heat source to conduct the heat energy of the heat source to the heat dissipation interface material 2 attached to the second surface 12, and then the heat energy is transmitted to the heat dissipation device 100 through the heat dissipation interface material 2, which facilitates the realization of quickly conducting the heat energy of the heat source to the heat dissipation assembly 100; the combination of the adhesive 3 and the positioning protrusion 17 realizes the stable installation of the assembly 1 to the heat dissipation device 100, which is easy to realize automatic assembly, and at the same time ensures the good contact between the heat dissipation interface material 2 and the top surface 103 of the heat dissipation device 100 by using the assembly 1, which effectively avoids the deformation of the heat dissipation interface material 2.

[0065] Referring to Figures 1 to 12The heat-conducting interface material 2 is a heat-conducting phase change material, but is not limited thereto, and in some embodiments, the heat-conducting interface material 2 can also be a heat-conducting silicone pad or a heat-conducting gel.

[0066] Specifically, the heat-conducting interface material 2 is compounded with the metal sheet (the assembly 1) to form a composite material assembly (a heat-conducting assembly), and is directly attached to the second surface 12 of the assembly 1 by using the adhesion of the heat-conducting interface material 2 itself, which can effectively reduce the thermal resistance between the heat-conducting interface material 2 and the metal sheet, and is conducive to maintaining good heat-conducting performance and mechanical strength of the heat-conducting assembly.

[0067] Referring to Figures 1 to 12 The adhesive 3 is a tape provided with an adhesive on both surfaces, but is not limited thereto, and in some embodiments, the adhesive 3 can be an adhesive;

[0068] Specifically, in the fourth embodiment, the fifth embodiment, the sixth embodiment and the seventh embodiment, the adhesive 3 provided on the inner surface of the first bending portion 15 is provided with one and is in a strip shape, but is not limited thereto, and in some embodiments, the adhesive 3 provided on the inner surface of the first bending portion 15 is provided with a plurality and is arranged in an interval along the extension direction of the assembly 1.

[0069] The adhesive 3 cooperates with the positioning protrusion 17 on the assembly 1, which is conducive to quickly and accurately assembling and positioning the assembly 1 to the heat-dissipating assembly 100, effectively improving the assembly speed and assembly yield, and being conducive to the realization of automatic assembly.

[0070] Further, in the present embodiment, the adhesive is an acrylate, but is not limited thereto, and in some embodiments, the adhesive can be an epoxy resin, a polyurethane, a silicone, an EVA, a polyamide, a polyester, a neoprene or a nitrile rubber.

[0071] It can be understood that the steps of manufacturing the heat-conducting assembly need to first precisely stamp the metal piece, then bend the stamped metal piece to obtain the assembly 1, and then use automatic equipment to automatically attach the heat-conducting phase change material and the adhesive 3 to the assembly 1 in sequence, but this is not limited thereto.

[0072] Please refer to 1 to Figure 12 The utility model discloses a light module heat dissipation module which comprises:

[0073] The heat-conducting assembly as described above, the first surface 11 is in contact with the light module element;

[0074] The heat-dissipating assembly is provided with the heat-dissipating device 100, and the heat-conducting assembly cover is arranged on the heat-dissipating device 100.

[0075] Specifically, the heat dissipation device 100 is a cold plate, the assembly part 1 is stably mounted on the heat dissipation device 100 through the combination of the adhesive part 3 and the positioning protrusion 17, and good contact between the heat conduction interface material 2 and the top surface 103 of the heat dissipation device 100 can be ensured, and deformation of the heat conduction interface material 2 is effectively avoided. The first surface 11 of the assembly part 1 is in contact with the optical module element to conduct the heat energy of the optical module element to the heat conduction interface material 2 attached to the second surface 12, and then the heat energy is transmitted to the heat dissipation assembly through the heat conduction interface material 2, which is beneficial to the realization of the rapid conduction of the heat energy of the optical module element to the heat dissipation assembly, so as to effectively maintain the heat dissipation performance of the optical module heat dissipation module.

[0076] The above only discloses preferred embodiments of the present application, and of course cannot limit the scope of the present application. Therefore, equivalent changes made within the scope of the present application still fall within the scope of the present application.

Claims

1. A thermally conductive component, characterized in that, include: Assembly components, thermal interface material, and at least one adhesive component; The assembly has a first surface, a second surface, two long edges and two short edges. The first surface is used to contact a heat source. The second surface is covered with the thermally conductive interface material. The two long edges are provided with a first bend near the second surface. The two short edges are provided with an extension. The inner surfaces of the two first bent portions are provided with multiple positioning protrusions. The inner surface of one of the two extension portions is provided with the adhesive, and the inner surface of the other extension portion is provided with the adhesive or a second bent portion is provided at its edge. The inner surface of the second bent portion is provided with multiple positioning protrusions, which are used to engage with mounting holes on the outer wall of the heat dissipation device; or... The adhesive is provided on the inner surface of each of the two first bent portions; a second bent portion is provided at the edge of one of the two extension portions; the adhesive is provided on the inner surface of the other extension portion or a second bent portion is provided at its edge; the inner surface of the second bent portion is provided with a plurality of positioning protrusions, which are used to engage with mounting holes on the outer wall of the heat dissipation device; or... The adhesive is provided on the inner surfaces of both first bent portions and both extension portions; When the fitting is placed on the heat dissipation device, the thermally conductive interface material is in contact with the top surface of the heat dissipation device, and the adhesive is attached to the surface of the heat dissipation device.

2. The thermally conductive component according to claim 1, characterized in that, The first bent portion with the positioning protrusion on its inner surface includes a first connecting portion connected to the long edge and a plurality of first movable portions arranged at intervals along the extension direction of the assembly, wherein the inner surface of each first movable portion is provided with at least one positioning protrusion.

3. The thermally conductive component according to claim 1, characterized in that, The top surface of the heat dissipation device has a sloping surface extending to the front side. The extension includes a first extension on the front side of the assembly and a second extension on the rear side of the assembly. The first extension includes a parallel part and an inclined part connected to the short edge. The inclined part is parallel to the sloping surface of the heat dissipation device. The parallel part and the second extension are parallel to the top surface of the heat dissipation device.

4. The thermally conductive component according to claim 3, characterized in that, The second bending portion located at the edge of the first extension is provided in a plurality of spaced-apart configurations. Each second bending portion includes a second connecting portion and a second movable portion that are connected to and parallel to the inclined portion. The inner surface of the second movable portion is provided with at least one positioning protrusion.

5. The thermally conductive component according to claim 3, characterized in that, The second bending portion located at the edge of the second extension includes a second connecting portion connected to the second extension and a plurality of second movable portions arranged at intervals, wherein the inner surface of each second movable portion is provided with at least one positioning protrusion.

6. The thermally conductive component according to claim 1, characterized in that, The material of the assembly is nickel alloy, cold-rolled steel, stainless steel, carbon steel, copper alloy, copper, aluminum alloy, aluminum, or a combination of the above materials.

7. The thermally conductive component according to claim 1, characterized in that, The thermally conductive interface material is a thermally conductive silicone pad, a thermally conductive gel, or a thermally conductive phase change material.

8. The thermally conductive component according to claim 1, characterized in that, The adhesive is an adhesive or a tape with adhesive on both sides; The adhesive member disposed on the inner surface of the first bend is one in the shape of a long strip; or, The adhesive members disposed on the inner surface of the first bend are provided in a plurality of manner and are arranged at intervals along the extension direction of the assembly.

9. The thermally conductive component according to claim 8, characterized in that, The adhesive is epoxy resin, polyurethane, acrylate, silicone, EVA, polyamide, polyester, chloroprene rubber or nitrile rubber.

10. A heat dissipation module for an optical module, characterized in that, include: The thermally conductive component as described in any one of claims 1 to 9, wherein the first surface is in contact with the optical module element; A heat dissipation assembly, wherein the heat dissipation assembly is provided with a heat dissipation device, and the heat conduction component covers the heat dissipation device.

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