CN219269387U

CN219269387U - Efficient heat dissipation device beneficial to long endurance of power adapter

Info

Publication number: CN219269387U
Application number: CN202223080078.8U
Authority: CN
Inventors: 陈杰; 江幸添; 王彬; 卢腾飞
Original assignee: Zhengzhou Ruiyi Technology Co ltd
Current assignee: Zhengzhou Ruiyi Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-27
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a high-efficiency heat dissipation device beneficial to long-term endurance of a power adapter, which comprises an outer shell, wherein an inner container is arranged in the outer shell, a porous foam copper plate is arranged in the outer shell, a space is formed between the inner part of the outer shell and the porous foam copper plate, a heat transfer part is arranged in the space, and heat dissipation holes are formed in the outer shell. According to the utility model, the porous foam copper plate can radiate heat in the adapter for the first time, the heat moving above the porous foam copper plate can be absorbed through the radiating fins arranged on the porous foam copper plate, and further, the heat absorbed by the radiating fins can be conducted to the heat conducting rubber through inserting one end of the radiating fins into the heat conducting rubber and finally radiated to the outside through the radiating holes.

Description

Efficient heat dissipation device beneficial to long endurance of power adapter

Technical Field

The utility model relates to the technical field of power adapters, in particular to a high-efficiency heat dissipation device beneficial to long endurance of a power adapter.

Background

The power adapter is a power supply power conversion device of a small portable electronic device and an electronic appliance, the working principle of the power adapter is that alternating current input is converted into direct current output, in the existing device, the structural arrangement of the power adapter is always that the safety is larger than the heat dissipation performance, namely, the power adapter is in a sealed or approximately sealed state as much as possible for ensuring the safety, so that the heat generated during the working of the power adapter cannot be timely emitted, and the heat is accumulated in the power adapter, and the surface temperature is also influenced.

The Chinese patent discloses a power adapter (publication No. CN 217037810U) convenient for heat dissipation, wherein it is recorded that the heat dissipation of the power adapter is realized by arranging the adapter in a shell and arranging a heat dissipation fan and the like in the shell, wherein the heat dissipation fan and the like are arranged below the inner part of the shell, which is close to the adapter body.

Therefore, a high-efficiency heat dissipation device beneficial to long endurance of the power adapter is provided.

Disclosure of Invention

The utility model aims to provide a high-efficiency heat dissipation device beneficial to long endurance of a power adapter so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an efficient heat dissipation device beneficial to long endurance of a power adapter,

preferably, a partition board is arranged in the inner container so as to divide the cavity into a plurality of chambers for installing devices in the adapter, the plane of the upper surface of the partition board is lower than that of the upper surface of the inner container, and the lower surface of the porous foam copper plate is abutted against the partition board.

Preferably, a connecting piece is arranged on the inner top wall of the outer shell, and the porous foam copper plate is fixed with the outer shell through the connecting piece.

Preferably, the outer shell is provided with an upper cover body and a lower cover body which are arranged in an up-down matching way, the inner container is accommodated in the lower cover body, the height of the inner container is higher than that of the lower cover body, a heat conduction adhesive tape is attached to the inner bottom wall of the lower cover body, and the inner container is fixed in the lower cover body through the heat conduction adhesive tape.

Preferably, the heat transfer member includes a plurality of fins disposed on the porous foam copper plate, perpendicular to the porous foam copper plate, the plurality of fins being uniformly distributed along a length direction of the porous foam copper plate, and each of the fins extending along a width direction of the porous foam copper plate, respectively.

Preferably, the heat transfer member further includes: the upper end of the box body is provided with an opening, so that the radiating holes are communicated with the inside of the box body, and the box body is filled with heat conducting rubber, and one end of each fin is inserted into the heat conducting rubber respectively.

Preferably, a dustproof net is arranged at one end, close to the heat dissipation holes, inside the box body.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the porous foam copper plate is arranged at the top of the inner liner, so that heat in the adapter can be radiated for the first time, the heat is upwards moved through the air with the heat, the heat moving above the porous foam copper plate can be absorbed through the radiating fins arranged on the porous foam copper plate, the radiating efficiency is improved, and further, the heat absorbed by the radiating fins can be conducted to the heat conducting rubber through inserting one end of the radiating fins into the heat conducting rubber and finally radiated to the outside through the radiating holes.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic perspective view of the outer shell of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present utility model.

In the figure: 1. an outer housing; 2. an inner container; 3. porous foam copper plate; 4. a heat radiation hole; 5. a partition plate; 6. a chamber; 7. a connecting piece; 8. an upper cover body; 9. a lower cover body; 10. a thermally conductive tape; 11. a fin; 12. a case body; 13. a thermally conductive rubber; 14. a dust-proof net.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a high-efficiency heat dissipation device beneficial to long-term endurance of a power adapter, as shown in fig. 1-5, comprising an outer shell 1, wherein a cavity capable of mounting a device in the power adapter is arranged in the outer shell 1, an inner container 2 is arranged in the outer shell 1, the inner container 2 is configured into a structure with an open upper end, the cavity is formed in the inner container 2, a porous foam copper plate 3 is arranged in the inner container 2 and can be covered at the open upper end of the inner container 2, a space is formed between the inner part of the outer shell 1 and the porous foam copper plate 3, a heat transfer part is arranged in the space, and a heat dissipation hole 4 is formed in the outer shell 1 so as to form a structure capable of discharging heat in the inner container 2 through the porous foam copper plate 3, the heat transfer part and the heat dissipation hole 4.

The outer casing 1 is configured to be of a substantially square structure, and is similar to the existing power adapter in appearance, a power socket, an electric wire and the like (not shown in the drawings) are also arranged on the outer casing, when the power adapter is electrified, namely, in the working process, internal current is transmitted to electric equipment through the electric wire and the power adapter, so that the electric equipment in the power adapter heats, most of heat can climb upwards along with air and pass through the porous foam copper plate 3, and in the prior art, foam copper is a novel multifunctional material with a large number of communicated or non-communicated cavities uniformly distributed in a copper matrix, and has excellent heat conducting performance, so that the ascending heat can be effectively transmitted to a heat transfer part.

In some embodiments of the present utility model, a partition 5 is provided inside the inner container 2 to divide the cavity into a plurality of chambers 6 for mounting devices in the adaptor, the upper surface of the partition 5 is located at a lower plane than the upper surface of the inner container 2, and the lower surface of the porous foam copper plate 3 abuts against the partition 5.

The inner container 2 is divided into a plurality of chambers 6 through the partition plate 5, different electric devices can be separated and protected, further, the lower surface of the porous foam copper plate 3 is abutted with the partition plate 5, and the upper surface of the porous foam copper plate is slightly lower than the plane of the upper surface of the inner container 2 or is in the same plane with the plane of the upper surface of the inner container 2, so that the structure of the internal devices of the outer shell 1 is more compact.

In some embodiments of the present utility model, a connector 7 is provided on the inner top wall of the outer case 1, and the porous foam copper plate 3 is fixed to the outer case 1 by the connector 7.

As shown in fig. 1, the connecting member 7 is a vertical rod disposed between the porous foam copper plate 3 and the inner top wall of the outer casing 1, and for convenience in separating the porous foam copper plate 3 from the outer casing 1, at least one end of the vertical rod connected to the porous foam copper plate 3 is detachably connected, such as by a threaded connection or a snap connection, which is not particularly limited herein.

In some embodiments of the present utility model, the outer casing 1 has an upper casing 8 and a lower casing 9 which are disposed in a vertically matched manner, the liner 2 is accommodated in the lower casing 9, the height of the liner 2 is higher than that of the lower casing 9, a heat conduction adhesive tape 10 is attached to the inner bottom wall of the lower casing 9, and the liner 2 is fixed in the lower casing 9 by the heat conduction adhesive tape 10.

Through separating the shell body 1 into the upper cover body 8 and the lower cover body 9 to the convenience is dismantled the shell body 1, and is further, because the height of inner bag 2 is higher than the height of lower cover body 9, so its has part to expose from the lower cover body 9 in, when upper cover body 8 and lower cover body 9 concatenation are fixed, the inner bag 2 exposes the part of lower cover body 9, laminating with upper cover body 8 inner wall, can use the fastener to make upper cover body 8 and lower cover body 9 be connected with inner bag 2 respectively, realizes the installation of shell body 1.

In some embodiments of the present utility model, the heat transfer member includes a plurality of fins 11 provided on the porous foam copper plate 3, perpendicular to the porous foam copper plate 3, the plurality of fins 11 being uniformly distributed along the length direction of the porous foam copper plate 3, and each fin 11 extending along the width direction of the porous foam copper plate 3, respectively.

As shown in fig. 1 or 4, the plurality of fins 11 can enhance heat transfer, and increase the fin surface area to improve heat dissipation efficiency, and in general, the fins may be steel strips, stainless steel strips, copper strips, aluminum strips, or the like, and the structure is not particularly limited herein, and heat can be transferred through the plurality of fins 11 after heat rises upward through the porous foam copper plate 3.

In some embodiments of the utility model, the heat transfer member further comprises: the upper end of the box body 12 is provided with an opening shape, so that the radiating holes 4 are communicated with the inside of the box body 12, and the heat conducting rubber 13 filled in the box body 12, and one end of each fin 11 is respectively inserted into the heat conducting rubber 13.

Furthermore, one end of the fin 11 is inserted into the heat conducting rubber 13, so that after heat is transferred through the fin 11, the heat is transferred to the heat conducting rubber 13, the heat conducting rubber 13 has excellent heat conductivity, and is widely applied to heat transfer media of electronic components, and the heat transfer can be more direct and efficient in an inserting mode.

In some embodiments of the utility model, a dust screen 14 is mounted inside the case 12 at an end near the heat dissipation hole 4.

As described above, when heat is transferred to the heat conductive rubber 13, it is further discharged from the heat dissipation hole 4, but it is noted that since the outer case of the power adapter has a certain requirement for dust prevention, in order to prevent dust from entering the inside of the outer case 1 through the heat dissipation hole 4, the dust prevention net 14 as described above is employed, wherein the dust prevention net has been made of one of a low carbon steel plate, a galvanized plate or a stainless steel plate as a base material, and has a dust prevention effect by spraying electrostatic powder thereon.

Working principle: through setting up porous foam copper plate 3 at the top in the inner bag 2, can carry out the heat dissipation for the first time in the adapter, take heat upward movement through the air, through setting up the radiating fin 11 on porous foam copper plate 3, can absorb the heat that removes to porous foam copper plate 3 top to upwards transfer the heat, further, in the one end of fin 11 inserts heat conduction rubber 13, can conduct the heat of radiating fin 11 absorptive to heat conduction rubber 13, and finally give off to outside through louvre 4.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be favorable to long high-efficient heat abstractor who continues to journey of power adapter, includes shell body (1), the inside of shell body (1) has a cavity that can install the interior device of power adapter, its characterized in that: the inner part of the outer shell (1) is provided with an inner container (2), the inner container (2) is configured into a structure with an opening at the upper end, the cavity is formed in the inner container (2), the inner part of the outer shell (1) is provided with a porous foam copper plate (3), the porous foam copper plate (3) is configured in the inner container (2) and can be covered at the opening at the upper end of the inner container (2), a space is formed between the inner part of the outer shell (1) and the porous foam copper plate (3), a heat transfer part is arranged in the space, and a heat dissipation hole (4) is formed in the outer shell (1) so as to form a structure capable of discharging heat in the inner container (2) through the porous foam copper plate (3), the heat transfer part and the heat dissipation hole (4).

2. The efficient heat dissipation device for facilitating long endurance of a power adapter according to claim 1, wherein: the inner container (2) is internally provided with a partition board (5) so as to divide the cavity into a plurality of chambers (6) for installing devices in the adapter, the plane of the upper surface of the partition board (5) is lower than the plane of the upper surface of the inner container (2), and the lower surface of the porous foam copper plate (3) is abutted against the partition board (5).

3. The efficient heat dissipation device for facilitating long endurance of a power adapter according to claim 1, wherein: the porous foam copper plate is characterized in that a connecting piece (7) is arranged on the inner top wall of the outer shell (1), and the porous foam copper plate (3) is fixed with the outer shell (1) through the connecting piece (7).

4. The efficient heat dissipation device for facilitating long endurance of a power adapter according to claim 1, wherein: the shell body (1) is provided with an upper cover body (8) and a lower cover body (9) which are arranged in an up-down matching way, the inner container (2) is accommodated in the lower cover body (9), the height of the inner container (2) is higher than that of the lower cover body (9), a heat conduction adhesive tape (10) is attached to the inner bottom wall of the lower cover body (9), and the inner container (2) is fixed in the lower cover body (9) through the heat conduction adhesive tape (10).

5. The efficient heat dissipation device for facilitating long endurance of a power adapter of claim 4, wherein: the heat transfer component comprises a plurality of fins (11) which are arranged on the porous foam copper plate (3) and are perpendicular to the porous foam copper plate (3), the fins (11) are uniformly distributed along the length direction of the porous foam copper plate (3), and the fins (11) respectively extend along the width direction of the porous foam copper plate (3).

6. The efficient heat dissipating apparatus for facilitating long life of a power adapter of claim 5, wherein said heat transfer means further comprises: the heat dissipation device comprises a box body (12) arranged in the upper cover body (8), wherein the upper end of the box body (12) is provided with an opening, so that the heat dissipation holes (4) are communicated with the inside of the box body (12), heat conduction rubber (13) filled in the box body (12), and one end of each fin (11) is inserted into the heat conduction rubber (13) respectively.

7. The efficient heat dissipation device for facilitating long endurance of a power adapter of claim 6, wherein: inside box body (12), be located the one end that is close to louvre (4) and install dust screen (14).