CN218831090U

CN218831090U - Bottom shell, power supply box and display device

Info

Publication number: CN218831090U
Application number: CN202222690869.6U
Authority: CN
Inventors: 邱冠华; 胡磊; 蒙林科
Original assignee: Roe Visual Co ltd
Current assignee: Roe Visual Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-07
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a drain pan, power pack and display device, display device includes the power pack, and the power pack includes the drain pan, and the drain pan includes body portion and partition part, and the body portion has first end and the second end relative with the first end in length direction, the body portion has first side, first side has the third opening; the partition portion is provided in the body portion, the partition portion divides the body portion into a first space and a second space in a depth direction, and the third opening communicates with the first space. This application divides into first space and second space with this somatic part through the partition part on the direction of depth, and PCB keysets and power are installed in first space, and the heat of display module assembly unit is difficult for transmitting PCB keysets and power through this somatic part, has reduced the temperature of PCB keysets and power in the use, can prolong the life of power pack.

Description

Bottom shell, power supply box and display device

Technical Field

The utility model relates to a display screen field, in particular to drain pan, power pack and display device.

Background

Because of the characteristics of high brightness, high resolution, large vision and the like, the LED display screen is widely applied to occasions such as stages or exhibitions. The power supply box of the existing LED display screen generally comprises a bottom shell, a cover body, a power supply and a PCB adapter plate, wherein the bottom shell and the cover body form a box body, the power supply and the PCB adapter plate are installed in the box body, and the PCB adapter plate is fixedly installed at the bottom of the bottom shell. During operation of the power supply box, the PCB adapter plate and the power supply generate heat. The LED lamp of LED display screen also can produce the heat during operation, and the heat of LED lamp can pass through the drain pan and transmit PCB keysets and power, causes the life of power pack to be short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that solves is: the temperature of the power supply box is high when the power supply box is used, so that the service life of the power supply box is short.

The utility model adopts the technical scheme as follows:

a bottom case, comprising:

a body portion having a first end and a second end opposite the first end in a length direction, the body portion having a first side surface, the first side surface having a third opening;

a partition portion provided in the body portion, the partition portion dividing the body portion into a first space and a second space in a depth direction, the third opening communicating with the first space.

Further, the first end is provided with a first opening which is communicated with the first space and the second space; the second end is provided with a second opening which is communicated with the first space and the second space.

Furthermore, one surface of the partition part, which is close to the second space, is provided with sawteeth, and the sawteeth extend along the length direction of the partition part.

Further, the partition portion is provided with a fourth opening to communicate the first space with the second space.

Furthermore, a fifth opening is formed in the side surface of the body part corresponding to the first space; and/or a sixth opening is arranged on the side surface of the body part corresponding to the second space.

Further, the body part is also provided with a second side surface and a third side surface, and the first side surface, the second side surface and the third side surface are connected end to form a triangular prism shape.

Further, the second side and the third side are perpendicular to each other; and/or the second side and the third side are symmetrical.

The heat dissipation plate is arranged in the first space and fixed to the partition part; one surface of the radiating fin, facing the first space, is provided with sawteeth, and the sawteeth extend along the length direction of the radiating fin.

Further, a first bulge is arranged in the middle of one surface, facing the first space, of the radiating fin.

A power supply box comprises the bottom shell and the cover body, wherein the bottom shell and the cover body form a box body.

Further, still include the fretwork board, the fretwork board is located the inside wall of lid, just the lateral wall fretwork of lid.

A display device is characterized by comprising a display module unit and the power supply box, wherein the power supply box is positioned on the display module unit.

The display module is arranged on the frame; the first end and the second end are inserted into the frame, and the first end and the second end are communicated with the outside through the frame.

Furthermore, a plurality of reinforcing ribs are arranged at the positions of the frame corresponding to the bottom shell; and/or the cross section of the frame corresponding to the bottom shell is U-shaped.

Furthermore, the display module unit comprises a first display module and a second display module, one end of the first display module is connected with one end of the second display module in an abutting mode, and the first display module is perpendicular to the second display module; the power supply box is arranged between the first display module and the second display module;

the frame comprises two first connecting rods and two second connecting rods, the two first connecting rods are parallel to each other, and the two second connecting rods are parallel to each other; the end part of the first connecting rod is connected with the end part of the second connecting rod, and the second connecting rod is L-shaped; the first end and the second end are inserted into the second connecting rod.

To sum up, the beneficial effects of the utility model are that:

this application divides into first space and second space with this somatic part through the partition part on the direction of depth, and PCB keysets and power are installed in first space, and the heat of display module assembly unit is difficult for transmitting PCB keysets and power through this somatic part, has reduced the temperature of PCB keysets and power in the use, can prolong the life of power pack.

Drawings

FIG. 1 is a schematic view of a display device;

FIG. 2 is a schematic diagram of a power pack;

FIG. 3 is an exploded view of the power pack;

FIG. 4 is a schematic view of an angle of the bottom case;

FIG. 5 is a schematic view of another angle of the bottom chassis;

fig. 6 is a schematic view of a second connecting rod.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a display device includes a power supply box 10, a display module unit 20 and a frame 30, wherein the display module unit 20 is mounted on the frame 30, the power supply box 10 is mounted on the display module unit 20 through a fixing screw, or the power supply box 10 is fixedly connected with the frame 30 through a fixing screw. Referring to fig. 3, the power supply box 10 includes a bottom case 1, a cover 2, a PCB adapter plate 3 and a power supply 4, the cover 2 is covered on the bottom case 1 to form a box body, and the PCB adapter plate 3 and the power supply 4 are disposed in the box body. Referring to fig. 4 and 5, the bottom case 1 includes a main body 101 and a partition portion 102, the partition portion 102 is disposed in the main body 101, the partition portion 102 divides the main body 101 into a first space 103 and a second space 104 in a depth direction, the main body 101 has a first side surface 1011 facing the cover 2, the first side surface 1011 has a third opening 105, and the third opening 105 is communicated with the first space 103, so that the PCB adapter board 3 is conveniently and fixedly mounted on the partition portion 102 through the third opening 105. The power supply 4 is fixedly arranged on the cover body 2 through screws, and the power supply 4 can convert alternating current into direct current.

The body part 101 is divided into the first space 103 and the second space 104 in the depth direction through the partition part 102, the PCB adapter plate 3 and the power supply 4 are installed in the first space 103, the heat of the display module unit 20 is not easy to be transferred to the PCB adapter plate 3 and the power supply 4 through the body part 101, the temperature of the PCB adapter plate 3 and the power supply 4 in the using process is reduced, and the service life of the power supply box 10 can be prolonged.

In some embodiments, referring to fig. 5, the partition 102 is provided with a fourth opening 106 to communicate the first space 103 with the second space 104, so that air of the first space 103 and air of the second space 104 can circulate.

In some embodiments, referring to fig. 1, the frame 30 comprises two first connecting rods 31 and two second connecting rods 32, the two first connecting rods 31 being parallel to each other and the two second connecting rods 32 being parallel to each other; the end of the first connecting rod 31 is connected to the end of the second connecting rod 32. The main body 101 has a first end and a second end opposite to the first end in the length direction, the first end is provided with a first opening 107, and the first opening 107 is communicated with the first space 103 and the second space 104; the second end is provided with a second opening 108, and the second opening 108 is communicated with the first space 103 and the second space 104. Referring to fig. 6, the second connecting rod 32 has a U-shaped cross section, the first end and the second end are inserted into the second connecting rod 32, and the first end and the second end are communicated with the outside through the second connecting rod 32. Specifically, a plurality of reinforcing ribs 3201 are arranged at the position, corresponding to the bottom shell 1, of the second connecting rod 32, and the first end and the second end are abutted to the reinforcing ribs 3201, so that the first end and the second end are prevented from being abutted to the second connecting rod 32 and closed. The first end and the second end are communicated with the outside through the frame 30, so that on one hand, the hot air in the first space 103 and the second space 104 can form convection with the outside, and the power supply box 10 can rapidly dissipate heat; on the other hand, the second connecting rod 32 can cover the first opening 107 and the second opening 108.

Referring to fig. 4 and 5, a surface of the partition 102 near the second space 104 is provided with serrations 109, and the serrations 109 extend along a length direction of the partition 102. The saw teeth 109 can accelerate convection between the hot air in the second space 104 and the outside air, thereby accelerating heat dissipation of the power supply box 10.

In some embodiments, referring to fig. 3, a heat sink 5 is disposed between the partition 102 and the PCB interposer 3, and the heat sink 5 is fixed to the partition 102. One surface of the heat sink 5 facing the PCB adapter plate 3 is provided with saw teeth 109, and the saw teeth 109 extend along the length direction of the heat sink 5. The heat sink 5 may be made of an aluminum alloy. The saw teeth 109 are arranged so that air between the PCB interposer 3 and the heat sink 5 can circulate. The middle of one surface of the heat sink 5 facing the first space 103 is provided with a first protrusion 501. The first bump 501 abuts the chip 6 so that heat of the chip 6 is quickly transferred to the heat sink 5. In order to allow the heat of the chip 6 to be transferred to the heat sink 5 more quickly, a heat conductive sheet 7 is provided between the chip 6 and the first bump 501.

Referring to fig. 1, the display module unit 20 includes a first display module 21 and a second display module 22, and one end of the first display module 21 abuts against one end of the second display module 22. The first display module 21 and the second display module 22 have at least two forms after being spliced:

the first method comprises the following steps: referring to fig. 1, the first display module 21 is perpendicular to the second display module 22. Referring to fig. 4 and 5, the body part 101 further has a second side 1012 and a third side 1013, and the first side 1011, the second side 1012 and the third side 1013 are connected end to end in a triangular prism shape. The power supply box 10 is disposed between the first display module 21 and the second display module 22, the second side 1012 is adjacent to the first display module 21, and the third side 1013 is adjacent to the second display module 22. The second side 1012 and the third side 1013 are perpendicular to each other. The second side 1012 and the third side 1013 are symmetrical. The second side 1012 and the third side 1013 are provided with a fifth opening 1014 corresponding to the side of the first space 103, so as to facilitate the connection between the plug assembly 11 of the first display module 21 and the power supply box 10. The second side 1012 and the third side 1013 are provided with a sixth opening 1015 corresponding to the side of the second space 104, so that the hot air in the second space 104 can convect with the outside air, and the heat dissipation of the power supply box 10 is accelerated.

And the second method comprises the following steps: the first display module 21 and the second display module 22 are spliced and then located on the same plane (not shown in the figure). The body portion 101 further has a second side 1012, a third side 1013, and a fourth side 1011, the second side 1012, the third side 1013, and the fourth side are connected end to end in a shape of a quadrangular prism. The first side 1011 is opposite to the fourth side, and the fourth side is adjacent to the display module unit 20. The second side 1012 and the third side 1013 are provided with a fifth opening 1014 corresponding to the side of the first space 103, so as to facilitate the connection between the plug assembly 11 of the first display module 21 and the power supply box 10. The second side 1012 and the third side 1013 are provided with a sixth opening 1015 corresponding to the side of the second space 104, so that the hot air in the second space 104 can convect with the outside air, and the heat dissipation of the power supply box 10 is accelerated.

In some embodiments, referring to fig. 3, the side walls of the cover 2 are hollowed out. So that the hot air in the power supply box 10 forms convection with the outside air. The small hollow holes of the cover body 2 are not easy to process, and the large hollow holes of the cover body 2 are unsafe. In order to solve the problem, a hollow plate 8 is arranged on the inner side wall of the cover body 2, so that the overlarge hollow hole of the cover body 2 is shielded into a small hole through the hollow plate 8, and the safety of the power supply box 10 is ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A bottom case for a power pack, comprising:

2. A bottom shell as claimed in claim 1, wherein said first end is provided with a first opening communicating with said first space and said second space; the second end is provided with a second opening which is communicated with the first space and the second space.

3. A bottom case according to claim 1 or 2, wherein a surface of the partition portion adjacent to the second space is provided with serrations extending along a length direction of the partition portion.

4. A bottom shell according to claim 1, wherein said partition is provided with a fourth opening to communicate said first space with said second space.

5. The bottom case according to claim 1, wherein a side surface of the body corresponding to the first space is provided with a fifth opening; and/or a sixth opening is arranged on the side surface of the body part corresponding to the second space.

6. The bottom case of claim 1, wherein the body portion further has a second side surface and a third side surface, and the first side surface, the second side surface and the third side surface are connected end to end in a triangular prism shape.

7. A bottom shell as claimed in claim 6, wherein said second side and said third side are perpendicular to each other; and/or the second side and the third side are symmetrical.

8. The bottom case according to claim 1, further comprising a heat sink disposed in the first space and fixed to the partition; one surface of the radiating fin, facing the first space, is provided with sawteeth, and the sawteeth extend along the length direction of the radiating fin.

9. A bottom case according to claim 8, wherein a first protrusion is formed at a central portion of a side of said heat dissipating fin facing said first space.

10. A power pack comprising the base case and the cover of any one of claims 1 to 9, the base case and the cover forming a pack body.

11. The power pack of claim 10, further comprising a hollow plate disposed on an inner sidewall of the cover, wherein the sidewall of the cover is hollow.

12. A display device comprising a display module unit and the power pack of any one of claims 10 to 11, wherein the power pack is disposed on the display module unit.

13. The display device of claim 12, further comprising a frame, wherein the display module is mounted on the frame; the first end and the second end are inserted into the frame, and the first end and the second end are communicated with the outside through the frame.

14. The display apparatus according to claim 13, wherein the frame is provided with a plurality of ribs corresponding to the bottom case; and/or the cross section of the frame corresponding to the bottom shell is U-shaped.

15. The display device according to claim 13 or 14, wherein the display module unit comprises a first display module and a second display module, one end of the first display module abuts against one end of the second display module, and the first display module is perpendicular to the second display module; the power supply box is arranged between the first display module and the second display module;