CN220476180U

CN220476180U - Equipment with radiating component

Info

Publication number: CN220476180U
Application number: CN202321763813.7U
Authority: CN
Inventors: 饶城云; 丁晟
Original assignee: Fujian Newland Auto ID Technology Co Ltd
Current assignee: Fujian Newland Auto ID Technology Co Ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-02-09
Anticipated expiration: 2033-07-06

Abstract

The utility model relates to equipment with a heat dissipation component, which comprises a shell, a heating element, a heat conduction interface material and a metal plate, wherein the shell is provided with a heat dissipation cavity; the metal plate is fixedly connected with the shell, and a heat conduction interface material is arranged between the heating element and the metal plate; the metal plate is provided with a bump and a bump, the shell is provided with a corresponding opening, and the bump is provided with a fin structure; a waterproof layer is arranged between the metal plate and the shell; the bump height on the metal plate is not lower than the bump height. The heat dissipation characteristic of the metal plate with high heat conductivity is utilized, and the embedded structure of the metal plate and the shell can also enable the device to form a closed space, so that the dustproof effect is achieved. The convex points can serve as foot pads, and fin structures are designed on the convex points, so that the heat dissipation area is increased, and the device can exchange heat with air more efficiently. The waterproof layer is arranged, so that the shell can effectively protect the equipment in the shell after opening, and the protruding parts of the metal blocks can extend out of the bottom surface of the shell.

Description

Equipment with radiating component

Technical Field

The utility model relates to the technical field of heat dissipation of equipment, in particular to equipment with a heat dissipation assembly.

Background

With the development of electronic device applications, the requirements on the electronic devices are higher and higher, and the requirements on functions are increased, so that the heat productivity of equipment is higher and higher. And the use scene is complicated, the protection requirement on equipment is improved, and the equipment tends to be in a sealed state, so that the heat of the internal heating components is not easy to dissipate. The service life and stability of hardware are directly affected by the temperature rise, the phenomena of jamming and the like occur when the temperature rise is light, and the equipment is damaged when the temperature rise is heavy.

The traditional heat dissipation scheme is to communicate the heating element with the plastic shell through the heat conduction interface material TIM, and heat is transferred to the outer surface through the plastic shell to be in contact with air for heat exchange. Since the thermal conductivity of plastics is generally very low, only about 0.2W/(m×k), the heat dissipation effect is generally only suitable for products with low heat generation or under mild conditions of use environment.

In addition, a heat dissipation window is arranged on the plastic shell, and the heat convection coefficient is increased by increasing the contact area with the outside air, so that the device dissipates heat. The method can reduce the heat of the equipment to a great extent, but the window on the shell can lead dust and liquid to enter, and the method is only suitable for equipment design with low protection requirement.

Disclosure of Invention

Therefore, the utility model aims to solve the technical problems that the existing electronic device is difficult to dissipate heat and cannot be used for both heat dissipation and protection, and provides equipment with a heat dissipation component, which has strong heat dissipation capacity and protection capacity.

In order to solve the technical problems, the utility model adopts the technical scheme that:

an apparatus with a heat dissipating component includes a housing, a heat generating member, a thermally conductive interface material, and a metal plate;

the heating element is arranged in the shell, the metal plate is fixedly connected with the shell, and a heat conduction interface material is arranged between the heating element and the metal plate;

the metal plate is provided with a lug, the shell is provided with a lug opening corresponding to the lug, and the lug is leveled with or protrudes from the outer wall of the shell.

Further, the metal plate is provided with a bump, the shell is provided with a bump opening corresponding to the bump, and the bump penetrates through the bump opening.

Further, a fin structure is arranged on the convex points.

Further, a waterproof layer is arranged between the metal plate and the shell.

Further, the bump height on the metal plate is not lower than the bump height.

Further, the device is an RFID reading device, the heating element comprises an antenna and an RFID module, and the shell comprises an upper shell and a lower shell; the inner surface of the upper shell is connected with the antenna, the antenna is in communication connection with the RFID module through an SMA radio frequency connecting wire, and the RFID module is fixedly connected with the metal plate in the lower shell.

The utility model has the following beneficial effects:

1. according to the equipment with the heat dissipation component, disclosed by the utility model, the heat of the heating element is contacted with the metal plate through the heat conduction interface material, and the heat dissipation can be better performed by utilizing the characteristic of high heat conduction coefficient of the metal plate, so that the heat dissipation speed is faster than that of the traditional plastic shell. And the jogged structure of metal sheet and casing also enables equipment to form a confined space, accomplishes dustproof effect.

2. According to the equipment with the heat radiation component, the protruding points are arranged on the metal plate and can serve as foot pads, and the fin structures are designed on the protruding points, so that the heat radiation area is increased, and the equipment can exchange heat with air more efficiently.

3. According to the device with the heat radiation component, the waterproof layer is arranged between the metal plate and the shell, so that the device in the shell can be effectively protected after the shell is opened, and the protruding part of the metal block can extend out of the bottom surface of the shell.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is an exploded view of the structure of the present utility model.

FIG. 3 is a schematic cross-sectional view of the present utility model.

FIG. 4 is a schematic view of the structure of the metal block according to the present utility model.

The reference numerals are: 10-a housing; 11-an upper housing; 12-a lower housing; 13-bump openings; 14-bump openings; 20-heating element; 21-an antenna; a 22-RFID module; 30-a thermally conductive interface material; 40-metal plate; 41-bump; 42-bump; 43-fin structure.

Detailed Description

The utility model will now be described in detail with reference to the drawings and to specific embodiments.

As shown in fig. 1-3, a device having a heat dissipating component, a housing 10, a heat generating component 20, a thermally conductive interface material 30, and a metal plate 40; the shell 10 is composed of a detachable upper shell 11 and a detachable lower shell 12; the heating element 20 is an RFID module 22, and an antenna is additionally arranged, so that when the antenna works, the RFID module 22 starts to generate heat; the shell 10 is made of plastic material, and the metal plate 40 is made of aluminum plate.

The inner surface of the upper shell 11 is connected with the antenna, the antenna is in communication connection with the RFID module 22 through an SMA radio frequency connecting wire, and the RFID module 22 and the metal plate 40 are fixedly connected to the lower shell 12; the upper case 11 is mounted with the lower case 12.

Wherein a thermally conductive interface material 30 is disposed between the RFID module 22 and the metal plate 40; the metal plate 40 is provided with a bump 41 by an integral molding or welding technique, the lower housing 12 is provided with a bump opening 13 corresponding to the bump 41, and the bump 41 is leveled with the outer wall of the housing 10.

The metal plate 40 is provided with bumps 42 by an integral molding or welding technology, the lower housing 12 is provided with bump openings 14 corresponding to the bumps 42, the bumps 42 penetrate through the bump openings 14, and the number of the bumps 42 is 4, so that the metal plate can be used as foot pads. The bump 41 and the bump 42 are made of metal materials.

The bump 42 is provided with a fin structure 43 to increase the heat dissipation area.

A waterproof glue layer is disposed between the metal plate 40 and the lower housing 12.

The bump 42 on the metal plate 40 is higher than the bump 41.

Compared with the conventional scheme, the heating RFID module 22 contacts the plastic shell through the heat-conducting interface material 30, and the heat is conducted to the plastic shell, and the whole heat conduction process is very slow due to the fact that the heat conductivity coefficient of the plastic is about 0.2W/(m×k), so that the heat cannot be timely conducted everywhere, and further the heat is increased. In the utility model, the metal material is aluminum, and the work of conducting heat is given to the aluminum plate, and the heat conductivity coefficient of the aluminum plate is about 160W/(m is K) and is 800 times that of the plastic. The aluminum plate and the plastic shell are assembled together to form a new whole, and compared with pure plastic shell equipment with the same volume, the heat dissipation efficiency can be improved by 60%.

Four bumps 42 are made on the aluminum block and can serve as foot pads, and fin structures 43 are designed on the bumps 42, so that the heat dissipation area is increased, and the heat conducted to the aluminum block by the RFID module 22 is more efficiently exchanged with air. Moreover, the bottom is weighted by the aluminum plate, so that the overall texture of the equipment is improved.

The assembly between aluminum plate and the plastic shell uses waterproof glue to connect, and the protection effect can reach IP65, compares the plastic shell and opens the heat dissipation of windowing, and the protection effect is much higher.

The foregoing examples are provided for the purpose of illustration only and are not intended to be limiting, and all equivalent changes or modifications made by the method described in the claims are intended to be included within the scope of the present utility model.

Claims

1. An apparatus having a heat sink assembly, comprising a housing (10), a heat-generating component (20), a thermally conductive interface material (30), a metal plate (40);

the heating element (20) is arranged inside the shell (10), the metal plate (40) is fixedly connected with the shell (10), and a heat conduction interface material (30) is arranged between the heating element (20) and the metal plate (40);

wherein the metal plate (40) is provided with a lug (41), the shell (10) is provided with a lug opening (13) corresponding to the lug (41), and the lug (41) is leveled with or more protruded from the outer wall of the shell (10).

2. An apparatus with a heat dissipating assembly according to claim 1, wherein the metal plate (40) is provided with a bump (42), the housing (10) is provided with a bump opening (14) corresponding to the bump (42), the bump (42) passing through the bump opening (14).

3. A device with a heat sink assembly according to claim 2, characterized in that the bumps (42) are provided with fin structures (43).

4. A device with a heat sink assembly according to any of the claims 1 or 2, characterized in that a waterproof layer is provided between the metal plate (40) and the housing (10).

5. A device with a heat dissipating assembly according to any of claims 1 or 2, characterized in that the bump (42) height on the metal plate (40) is not lower than the bump (41) height.

6. A device with a heat dissipating assembly according to any of claims 1-3, characterized in that the device is an RFID reader device, the heat generating element (20) comprises an antenna (21) and an RFID module (22), the housing comprising an upper housing (11) and a lower housing (12); the inner surface of the upper shell (11) is connected with the antenna, the antenna is in communication connection with the RFID module (22) through a radio frequency connecting wire, and the RFID module (22) is fixedly connected with the metal plate (40) in the lower shell (12).