Heat dissipation assembly, power adapter and charging equipment
By using a deformable fixed structure instead of adhesive backing in the heat dissipation assembly of the power adapter, the high production cost and risk of falling off caused by the adhesive backing fixation method is solved, and a more stable and economical heat dissipation effect is achieved.
Patent Information
- Application Number
- CN202421252664.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The heat dissipation components in existing power adapters are fixed with the heat dissipation fins through the adhesive, which leads to high production costs and the risk of the adhesive being easily peeled off, affecting the heat dissipation effect.
The heat sink is fixed on the fixing sheet using a deformable fixed structure, avoiding the use of back glue, and clamping and fixing the heat sink through the movable nature of the fixing structure.
It reduces the cost of glue back and the risk of falling off, improves the stability and service life of the heat dissipation components, and reduces production costs.
Smart Images
Figure CN222776480U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of heat dissipation structures, and in particular to a heat dissipation component, a power adapter and a charging device. Background Art
[0002] The power adapter needs to dissipate heat through a heat dissipation assembly, which includes a heat sink and a fixing bracket. The heat sink is fixed to the inside of the power adapter housing through the fixing bracket. In the related art, the heat sink is generally fixed to the fixing bracket by means of adhesive backing, thereby increasing the cost of using adhesive backing and manual pasting, resulting in high production costs. In addition, when the power adapter is overheated, the adhesive backing is prone to fall off, causing the heat sink to fall off. Utility Model Content
[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a heat dissipation assembly, which can fix the fixed heat sink on the fixed sheet through a deformable fixing structure, avoiding the use of adhesive bonding.
[0004] The present application also proposes a power adapter having the above-mentioned heat dissipation component, and a charging device having the above-mentioned power adapter.
[0005] According to the first aspect of the present application, the heat dissipation assembly includes: a fixing plate, a heat dissipation plate and a fixing structure.
[0006] The heat sink is located on one side of the fixing plate, and a mounting hole is provided on the heat sink;
[0007] A fixing structure is arranged on a side of the fixing plate close to the heat sink, the fixing structure passes through the mounting hole, and the fixing end of the fixing structure protrudes from the mounting hole, and the fixing structure can be deformed so that the fixing end can move between a first position and a second position; when the fixing end is at the first position, the projection of the fixing end and the projection of the heat sink at least partially overlap, and the fixing end abuts against a side of the heat sink away from the fixing plate; when the fixing end is at the second position, the projection of the fixing end and the projection of the heat sink are staggered, and the fixing end is away from the fixing plate.
[0008] According to the heat dissipation assembly of the first aspect of the present application, at least the following beneficial effects are achieved: the heat dissipation fin is limited by passing the fixing structure on the fixing plate through the mounting hole on the heat dissipation fin, and then the heat dissipation fin is clamped and fixed by the movable fixing end in cooperation with the fixing plate, thereby, the heat dissipation assembly of the present application does not need to use adhesive backing, thus reducing the cost of using adhesive backing and the risk of adhesive backing falling off. Correspondingly, the fixing end can be moved from the first position to the second position to facilitate the removal of the heat dissipation fin from the fixing plate and the fixing structure, so as to facilitate the replacement of the heat dissipation fin or the fixing plate.
[0009] According to some embodiments of the present application, the fixing structure is cylindrical, a recess is provided in the middle of the fixing structure, and when the fixing end is located at the first position, the fixing end is bent outward along a position away from the center of the fixing structure.
[0010] According to some embodiments of the present application, when the fixing end is located at the second position, the inner wall of the recess is inclined outward along a bottom-to-top direction.
[0011] According to some embodiments of the present application, when the fixed end is located at the first position, the inner wall surface of the recess forms a curved surface.
[0012] According to some embodiments of the present application, when the fixed end is located at the second position, a gap is formed between the hole wall of the mounting hole and the outer side of the fixed structure; when the fixed end is located at the first position, the fixed structure is inclined toward the hole wall of the mounting hole and abuts against the hole wall of the mounting hole.
[0013] According to some embodiments of the present application, the fixing structure and the fixing sheet are formed integrally.
[0014] According to some embodiments of the present application, the size of the fixing plate is larger than the size of the heat sink.
[0015] According to some embodiments of the present application, the fixing sheet is made of insulating material.
[0016] A power adapter according to an embodiment of the second aspect of the present application includes a heat dissipation component according to an embodiment of the first aspect.
[0017] The power adapter according to the second aspect of the present application has at least the following beneficial effects: including all the beneficial effects of the heat dissipation component of the first aspect, which will not be repeated here.
[0018] The charging device according to the third aspect embodiment of the present application includes the power adapter of the second aspect embodiment.
[0019] The charging device according to the third aspect embodiment of the present application has at least the following beneficial effects: including all the beneficial effects of the power adapter of the second aspect embodiment, which will not be repeated here.
[0020] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The present application is further described below with reference to the accompanying drawings and embodiments, wherein:
[0022] Figure 1 A three-dimensional diagram of a heat dissipation assembly according to an embodiment of the first aspect of the present application, wherein the fixed end is located at the second position;
[0023] Figure 2 for Figure 1 A cross-sectional view of a heat dissipation component;
[0024] Figure 3 A three-dimensional diagram of a heat dissipation assembly according to an embodiment of the first aspect of the present application, wherein the fixed end is located at a first position;
[0025] Figure 4 for Figure 3 Cross-sectional view of the heat dissipation component.
[0026] Reference numerals:
[0027] Fixed sheet 100;
[0028] Heat sink 200; mounting hole 210; gap 211;
[0029] Fixed structure 300 ; fixed end 310 ; recess 320 ; curved surface 321 . DETAILED DESCRIPTION
[0030] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.
[0031] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0032] In the description of this application, "several" means more than one, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0033] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.
[0034] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0035] Reference Figures 1 to 4 According to the first aspect of the present application, the heat dissipation assembly includes: a fixing plate 100, a heat sink 200 and a fixing structure 300.
[0036] The heat sink 200 is located on one side of the fixing plate 100 , and a mounting hole 210 is provided on the heat sink 200 ;
[0037] The fixing structure 300 is arranged on a side of the fixing plate 100 close to the heat sink 200. The fixing structure 300 is provided with a mounting hole 210, and the fixing end 310 of the fixing structure 300 protrudes from the mounting hole 210. The fixing structure 300 can be deformed so that the fixing end 310 can move between a first position and a second position. When the fixing end 310 is located at the first position, the projection of the fixing end 310 and the projection of the heat sink 200 at least partially overlap, and the fixing end 310 abuts against a side of the heat sink 200 away from the fixing plate 100. When the fixing end 310 is located at the second position, the projection of the fixing end 310 and the projection of the heat sink 200 are staggered, and the fixing end 310 is away from the fixing plate 100.
[0038] It can be understood that the heat sink 200 is fixed by the fixing structure provided on the fixing plate 100. Specifically, the fixing structure 300 is deformable so that the fixing end 310 can move between the first position and the second position. Figure 1 to Figure 2When the fixing end 310 of the fixing structure 300 is in the second position, the projection of the fixing end 310 is offset from the projection of the heat sink 200, that is, the projection of the fixing end 310 is located in the mounting hole 210 of the heat sink 200. At this time, the position of the fixing end 310 will not hinder the heat sink 200, and the fixing structure 300 can pass through the mounting hole 210 of the heat sink 200, so that the heat sink 200 is in close contact with the insulating sheet. Figure 3 to Figure 4 Then, force is applied to the fixing structure 300 to deform the fixing end 310, so that the fixing end 310 moves from the second position to the first position. When the fixing end 310 is located at the first position, the projection of the fixing end 310 and the projection of the heat sink 200 at least partially overlap, and the fixing end 310 can abut against the side of the heat sink 200 away from the fixing plate 100, so that the heat sink 200 is located between the fixing end 310 and the fixing plate 100, and the fixing end 310 cooperates with the fixing plate 100 to fix the heat sink 200 in the middle. In this way, the fixing of the heat sink 200 is completed, so that the fixing plate 100 and the heat sink 200 are integrated into a whole. During use, the heat dissipation assembly can be fixed as a whole inside the power adapter to facilitate the installation of the heat sink 200.
[0039] In summary, the fixing structure 300 provided on the fixing plate 100 passes through the mounting hole 210 on the heat sink 200 to limit the heat sink 200, and then the movable fixing end 310 cooperates with the fixing plate 100 to clamp and fix the heat sink 200. Therefore, the heat dissipation assembly of the present application does not need to use adhesive, which reduces the cost of using adhesive and the risk of adhesive falling off. Correspondingly, the fixing end 310 can be moved from the first position to the second position to facilitate the removal of the heat sink 200 from the fixing plate 100 and the fixing structure 300, so as to facilitate the replacement of the heat sink 200 or the fixing plate 100.
[0040] Reference Figures 1 to 4 According to some embodiments of the present application, the fixing structure 300 is cylindrical, and a recess 320 is provided in the middle of the fixing structure 300 . When the fixing end 310 is located at the first position, the fixing end 310 bends outward along a position away from the center of the fixing structure 300 .
[0041] It can be understood that the fixing structure 300 is cylindrical and has a recess 320 in the middle, so that the cross-section of the fixing structure 300 is annular, and the middle recess 320 can be used to insert a force-applying structure, wherein the force-applying structure is, for example, a punch, and the outer diameter of the force-applying structure is larger than the recess 320. Thus, after the force-applying structure is inserted into the recess 320, the fixing structure 300 is deformed, and the fixing end 310 is bent outward and abuts against the heat sink 200, that is, the fixing end 310 can move from the second position to the first position.
[0042] In summary, the fixing structure 300 is configured to be cylindrical, and a recess 320 capable of cooperating with the force-applying structure is provided to facilitate deformation of the fixing structure 300 , so that the fixing end 310 is bent outward and moves from the second position to the first position.
[0043] In other embodiments, the position of the fixed end 310 may also be moved by manually bending the fixed end 310 .
[0044] Reference Figure 3 to Figure 4 According to some embodiments of the present application, when the fixing end 310 is located at the second position, along the bottom-to-top direction, that is, the distribution direction of the fixing plate 100 and the heat sink 200, the inner wall of the recess 320 is inclined outward.
[0045] It is understandable that the inner wall of the recess 320 is tilted outwards to facilitate the entry of the force-applying structure, and the fixing end 310 can be made thinner than the lower end of the fixing structure 300, making it easier to deform, while the lower end of the fixing structure 300 has a thicker wall thickness and a stronger connection stability with the fixing sheet 100.
[0046] Reference Figure 3 to Figure 4 According to some embodiments of the present application, when the fixing end 310 is located at the first position, the inner wall surface of the recess 320 forms a curved surface 321 .
[0047] It can be understood that when the fixed end 310 is in the first position, that is, after the heat sink 200 is fixed, since the fixed end 310 is bent outward away from the center of the fixed structure 300, the position of the corresponding recess 320 of the fixed end 310 will be exposed, and the inner wall surface of the recess 320 forms a curved surface 321, so that the exposed part of the fixed end 310 is smooth, easy to grasp or not easy to damage other parts.
[0048] Reference Figure 1 to Figure 2 According to some embodiments of the present application, when the fixing end 310 is located at the second position, a gap 211 is formed between the hole wall of the mounting hole 210 and the outer side of the fixing structure 300; Figure 3 to Figure 4 When the fixing end 310 is located at the first position, the fixing structure 300 is inclined toward the hole wall of the mounting hole 210 and abuts against the hole wall of the mounting hole 210 .
[0049] It can be understood that when the fixing structure 300 is not deformed and the fixing end 310 is located at the second position, a gap 211 is formed between the hole wall of the mounting hole 210 and the outer side of the fixing structure 300, so that the heat sink 200 can be easily placed on the fixing structure 300 and the fixing structure 300 can pass through the mounting hole 210 of the heat sink 200. When the fixing end 310 is located at the first position,
[0050] Reference Figure 2 and Figure 4According to some embodiments of the present application, the fixing structure 300 and the fixing plate 100 are integrally formed.
[0051] It is understandable that the fixing structure 300 and the fixing plate 100 are integrally formed to facilitate manufacturing.
[0052] Reference Figures 1 to 4 According to some embodiments of the present application, the size of the fixing plate 100 is larger than the size of the heat sink 200 .
[0053] It can be understood that the size of the fixing plate 100 is larger than the size of the heat sink 200, that is, the length and width of the heat sink 200 are larger than the length and width of the fixing plate 100, so that the projection of the heat sink 200 falls within the fixing plate 100, and the fixing plate 100 can prevent the heat sink 200 from protruding from the edge of the fixing plate 100, so as to protect the edge of the heat sink 200.
[0054] According to some embodiments of the present application, the fixing sheet 100 is made of insulating material.
[0055] It is understandable that the fixing plate 100 is made of insulating material to prevent external current from affecting the normal use of the heat sink 200 .
[0056] According to some embodiments of the present application, a notch (not shown in the figure) is formed on the fixing end 310 , and the notch passes through an end of the fixing end 310 away from the fixing sheet 100 .
[0057] It can be understood that the notch is formed to facilitate the fixing end 310 to bend outward.
[0058] A power adapter according to an embodiment of the second aspect of the present application includes a heat dissipation component according to an embodiment of the first aspect.
[0059] The power adapter according to the second aspect of the present application has at least the following beneficial effects: including all the beneficial effects of the heat dissipation component of the first aspect, which will not be repeated here.
[0060] The charging device according to the third aspect embodiment of the present application includes the power adapter of the second aspect embodiment.
[0061] The charging device according to the third aspect embodiment of the present application has at least the following beneficial effects: including all the beneficial effects of the power adapter of the second aspect embodiment, which will not be repeated here.
[0062] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
Claims
1. A heat dissipation component, characterized in that: include: Fixed plate; A heat sink is located on one side of the fixing plate, and a mounting hole is provided on the heat sink; A fixing structure is arranged on a side of the fixing plate close to the heat sink, the fixing structure passes through the mounting hole, and the fixing end of the fixing structure protrudes from the mounting hole, and the fixing structure can be deformed so that the fixing end can move between a first position and a second position; when the fixing end is at the first position, the projection of the fixing end and the projection of the heat sink at least partially overlap, and the fixing end abuts against a side of the heat sink away from the fixing plate; when the fixing end is at the second position, the projection of the fixing end and the projection of the heat sink are staggered, and the fixing end is away from the fixing plate.
2. The heat dissipation assembly according to claim 1, characterized in that: The fixing structure is cylindrical, and a recess is provided in the middle of the fixing structure. When the fixing end is located at the first position, the fixing end is bent outward along a position away from the center of the fixing structure.
3. The heat dissipation assembly according to claim 2, characterized in that: When the fixing end is located at the second position, the inner wall of the recess is inclined outwards from bottom to top.
4. The heat dissipation assembly according to claim 2, characterized in that: When the fixed end is located at the first position, the inner wall surface of the recess forms a curved surface.
5. The heat dissipation assembly according to claim 1, characterized in that: When the fixed end is located at the second position, a gap is formed between the hole wall of the mounting hole and the outer side of the fixing structure; when the fixed end is located at the first position, the fixing structure is inclined toward the hole wall of the mounting hole and abuts against the hole wall of the mounting hole.
6. The heat dissipation assembly according to claim 1, characterized in that: The fixing structure and the fixing sheet are integrally formed.
7. The heat dissipation assembly according to claim 1, characterized in that: The size of the fixing plate is larger than that of the heat sink.
8. The heat dissipation assembly according to claim 1, characterized in that: The fixing sheet is made of insulating material.
9. A power adapter, characterized in that: Comprising the heat dissipation assembly as claimed in any one of claims 1 to 8.
10. A charging device, characterized in that Comprising the power adapter as claimed in claim 9.