CN220402252U - Radiating assembly and power adapter - Google Patents

Abstract

The utility model discloses a heat radiation assembly and a power adapter, comprising heat conduction pieces arranged on the upper surface and the lower surface of a charging module; the heat conduction piece comprises a heat conduction silicone grease layer coated on the upper surface and the lower surface of the charging module, and a high heat conduction silicone piece adhered and fixed on the upper surface and the lower surface of the charging module through the heat conduction silicone grease layer, wherein a silicon carbide ceramic piece is arranged on the other surface of the high heat conduction silicone piece. According to the technical scheme, the heat conducting pieces are arranged on the upper surface and the lower surface of the charging module, the heat of the charging module is transferred into the high-heat-conductivity silicon rubber sheet by means of the heat-conductivity silicon grease layer, and the silicon carbide ceramic sheet and the high-heat-conductivity silicon rubber sheet are coupled by the grooves and the copper bars, so that the contact area of the silicon carbide ceramic sheet and the high-heat-conductivity silicon rubber sheet is increased, the heat conducting efficiency is increased, the heat of the charging module is radiated to the outside through the raised strips, and compared with the traditional closed charging end, the heat radiating speed is higher, and components in the charging module can be effectively protected.

Description

Radiating assembly and power adapter

Technical Field

The utility model relates to the technical field of power adapters, in particular to a heat dissipation assembly and a power adapter.

Background

The power adapter is also called an external power supply, is a power supply voltage conversion device of small portable electronic equipment and electronic appliances, and is commonly used on small electronic products such as mobile phones, liquid crystal displays, notebook computers and the like. The function of the electronic device is to convert the 220V high voltage in the home into the stable low voltage of about 5V to 20V which can work by the electronic products, so that the electronic products can work normally, and the electronic device is generally composed of components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB and the like.

The present inventors have found that the charging modules within the currently commercially available power adapters are substantially enclosed within a housing. The conversion efficiency of the power adapter can only reach about 75% -85% at present, and according to the principle that the larger the power of the power adapter is, the more energy is lost, and the larger the heating amount of the power is, the unavoidable heating of electronic components such as a transformer, an inductor, a capacitor and the like is caused when the power adapter works.

However, since the existing power adapter is mostly closed, heat of the charging module cannot be well emitted, if the shell is made of a heat-discharging material, and is a common plastic part, continuous heating may cause deformation of the appearance of the adapter or emission of peculiar smell in use, and may also cause burning of electronic components in the charging module. Therefore, a technical solution of the heat dissipation assembly and the power adapter is now proposed by those skilled in the art to solve the above-mentioned drawbacks and disadvantages.

Disclosure of Invention

The utility model aims to provide a heat dissipation assembly and a power adapter, which are used for solving the defects in the background technology.

In order to solve the defects and drawbacks described in the background art, the present utility model provides the following technical solutions:

a heat dissipating assembly, comprising: the charging module is provided with heat conducting pieces arranged on the upper surface and the lower surface of the charging module;

the heat conduction piece comprises a heat conduction silicone grease layer coated on the upper surface and the lower surface of the charging module, and a high heat conduction silicone sheet adhered and fixed on the upper surface and the lower surface of the charging module through the heat conduction silicone grease layer, wherein a silicon carbide ceramic sheet is arranged on the other surface of the high heat conduction silicone sheet, and a plurality of raised strips are transversely distributed on the other surface of the silicon carbide ceramic sheet at equal intervals.

As a preferred scheme of the heat dissipation assembly, a plurality of grooves are transversely formed in the surface of one side, far away from the charging module, of the high-heat-conductivity silica gel sheet at equal distances.

As a preferred scheme of the heat dissipation component, a plurality of copper strips which can be coupled into the grooves are fixed on one side surface of the silicon carbide ceramic sheet close to the high heat conduction silicon sheet, so that the contact area between the silicon carbide ceramic sheet and the high heat conduction silicon sheet is increased, and the heat conduction efficiency is improved.

A power adapter, comprising: the charging terminal comprises a charging terminal, an electric connection terminal which is spliced with an electric connection port of the charging terminal, a cable which is connected with the other end of the electric connection terminal, and a charging terminal which is fixed with the other end of the cable.

As a preferable scheme of the power adapter, the left and right side walls of the inner cavity of the charging end are fixedly connected with the left and right surfaces of the charging module.

As a preferable scheme of the power adapter, the upper surface and the lower surface of the charging end are respectively provided with a plurality of rectangular through grooves for the convex strips to penetrate to the outside, and the ends of the convex strips are flush with the ports of the rectangular through grooves.

As a preferable scheme of the power adapter, two charging pins connected with the charging module are fixed at the left side electric end position of the charging end.

In the technical scheme, the utility model has the technical effects and advantages that:

according to the technical scheme, the heat conducting pieces are arranged on the upper surface and the lower surface of the charging module, the heat of the charging module is transferred into the high-heat-conductivity silicon rubber sheet by means of the heat-conductivity silicon grease layer, and the silicon carbide ceramic sheet and the high-heat-conductivity silicon rubber sheet are coupled by the grooves and the copper bars, so that the contact area of the silicon carbide ceramic sheet and the high-heat-conductivity silicon rubber sheet is increased, the heat conducting efficiency is increased, the heat of the charging module is radiated to the outside through the raised strips, and compared with the traditional closed charging end, the heat radiating speed is higher, and components in the charging module can be effectively protected.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of a power adapter;

FIG. 2 is a schematic cross-sectional view of a charging tip in a power adapter;

fig. 3 is an enlarged schematic view of a heat dissipating assembly on a charging terminal.

Reference numerals illustrate:

1. a charging end; 2. a charging pin; 3. an electrical terminal; 4. a cable; 5. a charging terminal; 6. rectangular through grooves; 7. a heat conductive member; 71. a groove; 72. a thermally conductive silicone grease layer; 73. a high thermal conductivity silicone sheet; 74. copper bars; 75. silicon carbide ceramic plates; 76. a convex strip; 8. and a charging module.

Description of the embodiments

In order to make the explanation and the description of the technical solution and the implementation of the present utility model clearer, several preferred embodiments for implementing the technical solution of the present utility model are described below.

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures of embodiments of the present disclosure may be shown in exaggerated form in particular drawings, various publications, patents and published patent specifications cited herein are incorporated herein by reference in their entirety and below are set forth in detail the embodiments of the present utility model, which are obviously only a few embodiments of the present utility model.

Examples

Reference is made to the description of figures 1 to 3;

power adapter and supporting heat dissipation subassembly thereof:

the embodiment comprises the following steps:

the charging terminal 1, a power connection terminal 3 spliced with a power connection port of the charging terminal 1, a cable 4 connected with the other end of the power connection terminal 3, and a charging terminal 5 fixed with the other end of the cable 4.

The left and right side walls of the inner cavity of the charging end head 1 are fixedly connected with the left and right surfaces of the charging module 8; the upper surface and the lower surface of the charging end head 1 are provided with a plurality of rectangular through grooves 6 for the convex strips 76 to penetrate to the outside, and the tail ends of the convex strips 76 are flush with the ports of the rectangular through grooves 6; two charging pins 2 connected with a charging module 8 are fixed at the left side electric terminal position of the charging terminal 1.

The charging module 8 is fixed in the inner cavity of the charging end 1, and the heat conducting pieces 7 are arranged on the upper surface and the lower surface of the charging module 8;

the heat conducting piece 7 comprises a heat conducting silicone grease layer 72 coated on the upper surface and the lower surface of the charging module 8, and a high heat conducting silicone sheet 73 adhered and fixed on the upper surface and the lower surface of the charging module 8 through the heat conducting silicone grease layer 72, wherein a silicon carbide ceramic sheet 75 is arranged on the other surface of the high heat conducting silicone sheet 73, and a plurality of raised strips 76 are transversely distributed on the other surface of the silicon carbide ceramic sheet 75 at equal intervals.

Specifically, the heat of the charging module 8 is transferred to the high heat conduction silica gel sheet 73 by the heat conduction silica gel layer 72, and then is coupled between the silicon carbide ceramic sheet 75 and the high heat conduction silica gel sheet 73 by the grooves 71 and the copper strips 74, so that the contact area between the silicon carbide ceramic sheet 75 and the high heat conduction silica gel sheet 73 is increased, the heat conduction efficiency is increased, the heat of the charging module 8 is dissipated to the outside through the raised strips 76, and compared with the traditional closed charging end, the heat dissipation speed is faster, and components in the charging module can be effectively protected.

A plurality of grooves 71 are transversely formed on the surface of the silicon sheet 73 with high thermal conductivity far from the charging module 8 at equal distance; a plurality of copper bars 74 capable of being coupled into the inside of the grooves 71 are fixed on one side surface of the silicon carbide ceramic sheet 75 near the high thermal conductivity silicon sheet 73 for increasing the contact area of the silicon carbide ceramic sheet 75 and the high thermal conductivity silicon sheet 73, thereby increasing the thermal conductivity.

In the description of the present utility model, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "coupled," "secured," and the like are to be construed broadly, and may be used, for example, in a fixed or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, it should be understood that the terms "upper," "lower," "left," "right," and the like in the embodiments of the present application are described in terms of angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. A heat dissipating assembly, characterized in that:

comprises a charging module (8) and heat conducting pieces (7) arranged on the upper surface and the lower surface of the charging module (8);

the heat conduction piece (7) comprises a heat conduction silicone grease layer (72) coated on the upper surface and the lower surface of the charging module (8), and a high heat conduction silicone sheet (73) adhered and fixed on the upper surface and the lower surface of the charging module (8) through the heat conduction silicone grease layer (72), wherein a silicon carbide ceramic sheet (75) is arranged on the other surface of the high heat conduction silicone sheet (73), and a plurality of raised strips (76) are transversely distributed on the other surface of the silicon carbide ceramic sheet (75) at equal intervals.

2. A heat sink assembly as defined in claim 1, wherein: a plurality of grooves (71) are transversely formed on the surface of the side of the high heat conduction silica gel sheet (73) far away from the charging module (8) at equal distance.

3. A heat sink assembly as defined in claim 1, wherein: a plurality of copper strips (74) which can be coupled into the grooves (71) are fixed on one side surface of the silicon carbide ceramic sheet (75) close to the high heat conduction silicon sheet (73), and the copper strips are used for increasing the contact area between the silicon carbide ceramic sheet (75) and the high heat conduction silicon sheet (73) so as to increase the heat conduction efficiency.

4. A power adapter comprising the heat dissipation assembly as claimed in any one of claims 1 to 3, and comprising a charging terminal (1), a power connection terminal (3) plugged into a power connection port of the charging terminal (1), a cable (4) connected to the other end of the power connection terminal (3), and a charging terminal (5) fixed to the other end of the cable (4).

5. A power adapter according to claim 4, wherein: the left and right side walls of the inner cavity of the charging end head (1) are fixedly connected with the left and right surfaces of the charging module (8).

6. A power adapter according to claim 4, wherein: the charging end (1) is characterized in that a plurality of rectangular through grooves (6) for the convex strips (76) to penetrate to the outside are formed in the upper surface and the lower surface of the charging end, and the ends of the convex strips (76) are flush with the ports of the rectangular through grooves (6).

7. A power adapter according to claim 4, wherein: two charging pins (2) connected with a charging module (8) are fixed at the left side electric end position of the charging end head (1).