CN219749605U - A car headrest cooling structure with its own screen - Google Patents

Abstract

The utility model discloses a car headrest heat dissipation structure with a screen, which includes: a car headrest base, a screen, a main board, a first heat dissipation plate, a second heat dissipation plate and a fan. A main board is provided on the back of the car headrest base. Installation housing, the mainboard is arranged in the mainboard installation housing, the mainboard installation housing is provided with a cover for closure, the screen is provided in the cover, and the first heat dissipation plate is provided on the mainboard, so The first heat dissipation plate is provided with fins at intervals, and the fins are provided with heat dissipation holes at intervals. The fan is provided on the mainboard or the first heat dissipation plate. The second heat dissipation plate is located between the fins and the screen. Screen support. Through the above method, the heat dissipation structure of the car headrest with a screen of the present invention uses the fins and the heat dissipation holes on the fins to improve the heat dissipation effect of the main board, and strengthens the heat dissipation effect of the screen through the contact between the second heat dissipation plate and the screen. Support and screen cooling effect.

Description

A car headrest cooling structure with its own screen

Technical field

The utility model relates to the electromechanical field, in particular to a car headrest heat dissipation structure with a screen.

Background technique

In order to improve the functionality of the car, an entertainment system can be installed in the headrest of the car, and the screen can be displayed through the screen on the back of the headrest .

The motherboard and screen of the entertainment system will generate heat when working. However, the headrest of a car is relatively small in size. The small space is not conducive to the heat dissipation of the motherboard and screen, and the stability of long-term operation is poor. In addition, the screen is usually only fixed by the plastic cover of the headrest, which lacks back support and the structural stability is difficult to guarantee and needs to be improved.

Utility model content

The main technical problem solved by this utility model is to provide a car headrest heat dissipation structure with a built-in screen, which improves the heat dissipation effect and strengthens the support for the screen.

In order to solve the above technical problems, one technical solution adopted by this utility model is to provide a car headrest heat dissipation structure with a screen, including: a car headrest base, a screen, a main board, a first heat dissipation plate, a second heat dissipation plate and Fan, the back of the car headrest base is provided with a mainboard mounting shell, the mainboard is arranged in the mainboard mounting shell, the mainboard mounting shell is provided with a cover for closure, the screen is arranged in the cover, The first heat dissipation plate is provided on the main board, and fins are provided at intervals on the first heat dissipation plate. The fins are provided with heat dissipation holes at intervals. The fan is provided on the main board or the first heat dissipation plate. The second heat dissipation plate is located between the fins and the screen to support the screen.

In a preferred embodiment of the present invention, a first vent is provided on the side of the mainboard mounting housing, and a second vent corresponding to the first vent is provided on the cover.

In a preferred embodiment of the present invention, the cover is provided with a display window corresponding to the screen.

In a preferred embodiment of the present invention, the second heat dissipation plate is in contact with the inner side of the screen.

In a preferred embodiment of the present invention, the first heat dissipation plate and the second heat dissipation plate are respectively made of aluminum alloy plates.

In a preferred embodiment of the present invention, the first heat dissipation plate and the fins adopt an integrated structure.

In a preferred embodiment of the present invention, support pillars corresponding to the motherboard are provided at intervals in the mainboard mounting housing, and the mainboard is arranged on the support pillars.

In a preferred embodiment of the present invention, the second heat sink is provided with screws that penetrate the main board and are connected to the support pillars.

The beneficial effects of the utility model are: the utility model points out a car headrest heat dissipation structure with a screen, which dissipates the heat of the main board through the first heat dissipation plate, and uses the fins and the heat dissipation holes on the fins to improve the heat dissipation effect of the main board , through the contact between the second heat sink plate and the screen, it not only supports the screen, but also takes away the heat of the screen, enhancing the heat dissipation effect and stability of the screen.

Description of drawings

In order to explain the technical solutions in the embodiments of the present utility model more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some implementations of the utility model. For example, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts, among which:

Figure 1 is a structural schematic diagram of a preferred embodiment of the heat dissipation structure of a car headrest with a screen according to the present invention;

Figure 2 is a schematic structural diagram of the screen and cover in Figure 1 after they are disassembled;

Figure 3 is a schematic structural diagram of the second heat dissipation plate in Figure 2 after being disassembled;

FIG. 4 is a schematic structural diagram of the first heat dissipation plate in FIG. 3 .

Implementation

The technical solutions in the embodiments of the present utility model will be described clearly and completely below. Obviously, the described embodiments are only some of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1 to 4. Embodiments of the present utility model include:

As shown in Figures 1 to 3, the heat dissipation structure of a car headrest with its own screen includes: a car headrest base 1, a screen 2, a main board 9, a first heat sink 10, a second heat sink 7 and a fan 8. The car headrest A mainboard mounting shell 6 is provided on the back of the pillow base 1, and the mainboard 9 is arranged in the mainboard mounting shell 6. In this embodiment, the mainboard mounting shell 6 is provided with supporting columns corresponding to the mainboard 9 at intervals, and the mainboard 9 is arranged in the mainboard mounting shell 6. On the support column, the distance between the inner side of the mainboard 9 and the inner wall of the mainboard mounting housing 6 is maintained.

The mainboard mounting housing 1 is provided with a cover 3 for sealing, and can be fixed with screws. In this embodiment, first vents 5 are provided on both sides of the mainboard mounting case 1, and the cover 3 is provided with second vents 4 corresponding to the first vents 5 for internal and external ventilation and heat dissipation.

The first heat sink 10 is disposed on the motherboard 9 to dissipate heat from the chips on the motherboard 9 . As shown in FIG. 4 , the first heat sink 10 is provided with fins 11 at intervals. In this embodiment, the first heat sink 10 and the fins 11 adopt an integrated structure, which has a stable structure and good heat conduction and heat dissipation effects. The fins 11 are provided with heat dissipation holes 12 at intervals, which further improves the heat dissipation effect of the main board 9 and maintains the working stability of the main board 9 .

In addition, the fan 8 can be disposed on the mainboard 9 or the first heat dissipation plate 10, and active ventilation is performed through the operation of the fan 8 to improve the heat dissipation effect.

The screen 2 is placed in the cover 3 and can be fixed with screws. In this embodiment, the cover 3 is provided with a display window corresponding to the screen 2 to facilitate the screen 2 to display images. In order to reduce costs, the cover 3 is made of plastic material.

As shown in Figure 2, the second heat sink 7 is located between the fins 11 and the screen 2 to support the screen 2. In this embodiment, the second heat sink 7 is in contact with the inner side of the screen 2, which can not only support the screen 2 supports, improves the structural stability, and can also take away the heat of the screen 2, enhancing the heat dissipation effect and working stability of the screen 2.

In this embodiment, the first heat dissipation plate 10 and the second heat dissipation plate 7 are respectively made of aluminum alloy plates, which are light in weight and have good heat dissipation effect. The second heat dissipation plate 7 is provided with screws that penetrate the main board 9 and are connected to the support columns to fix the second heat dissipation plate 7 . In addition, a sleeve located behind the second heat sink 7 and compressing the first heat sink 10 and the main board 9 can be placed on the screw to improve the stability of the first heat sink 10 and the main board 9 .

In summary, the utility model points out a car headrest heat dissipation structure with a built-in screen, which realizes the enhanced heat dissipation of the screen and the main board in the car headrest, and improves the support for the screen. The structure is reliable and the working stability is high. .

The above are only examples of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the description of the present utility model, or directly or indirectly applied in other related technical fields, All are similarly included in the patent protection scope of the present utility model.

Claims (8)

1. The utility model provides a from car headrest heat radiation structure of taking screen which characterized in that includes: the novel car headrest comprises a car headrest base body, a screen, a main board, a first heat dissipation board, a second heat dissipation board and a fan, wherein the back of the car headrest base body is provided with a main board installation shell, the main board is arranged in the main board installation shell, a cover body is arranged on the main board installation shell to seal the car headrest base body, the screen is arranged in the cover body, the first heat dissipation board is arranged on the main board, fins are arranged on the first heat dissipation board at intervals, heat dissipation holes are formed in the fins at intervals, the fan is arranged on the main board or the first heat dissipation board, and the second heat dissipation board is arranged between the fins and the screen to support the screen.

2. The heat dissipation structure of a car headrest with a screen according to claim 1, wherein a first ventilation opening is formed in a side surface of the main board installation housing, and a second ventilation opening corresponding to the first ventilation opening is formed in the cover.

3. The heat dissipation structure of a car headrest with a screen according to claim 1, wherein a display window corresponding to the screen is provided on the cover.

4. The heat dissipating structure of a car headrest with a screen according to claim 1, wherein the second heat dissipating plate is in contact with an inner side surface of the screen.

5. The heat dissipating structure of a car headrest with a screen according to claim 1, wherein the first heat dissipating plate and the second heat dissipating plate are each made of an aluminum alloy plate.

6. The heat dissipation structure of a car headrest with a screen according to claim 1, wherein the first heat dissipation plate and the fins are of an integrated structure.

7. The heat dissipating structure of a car headrest with a screen according to claim 1, wherein support columns corresponding to the main boards are provided in the main board mounting case at intervals, and the main boards are provided on the support columns.

8. The heat dissipating structure of a car headrest with a screen according to claim 7, wherein the second heat dissipating plate is provided with a screw penetrating the main board and connected to the support column.