CN217241236U

CN217241236U - Heat radiation structure and LED display

Info

Publication number: CN217241236U
Application number: CN202220970825.6U
Authority: CN
Inventors: 程平都
Original assignee: Guangzhou Meidian Enzhi Electronic Technology Co ltd
Current assignee: Guangzhou Meidian Enzhi Electronic Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-19
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a heat radiation structure and LED display for dispel the heat to the LED display, include: a radiating pipe; the cooling tube includes inner tube and outer tube, and the inside of outer tube is located to the inner tube, and leaves the space between inner tube and the outer tube, is equipped with heat-conducting liquid in the space, and the inner tube is equipped with the inner chamber, and the inner chamber is equipped with the coolant liquid. The utility model discloses a locate the outer tube with the inner tube in, and set up heat-conducting liquid in the space of inner tube and outer tube to set up the coolant liquid at the inner tube, thereby dispel the heat fast with the heat that produces, simple structure, the radiating effect is good, can avoid components and parts to cause the damage because of the high temperature effectively.

Description

Heat radiation structure and LED display

Technical Field

The utility model relates to a heat dissipation technical field especially relates to a heat radiation structure and LED display.

Background

With the popularization of liquid crystal display, the structure is novel, the thickness is thin, and the size of the liquid crystal television is gradually increased, the backlight unit is divided into a direct type backlight and a side type backlight according to different arrangement modes of the LED light sources, and for the side type backlight which is widely applied, the larger the liquid crystal television is, the higher the light source power is, and the heat productivity is relatively concentrated. However, the existing LED display has poor heat dissipation effect, which easily causes the internal temperature to be too high to burn out components.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the application provides a heat dissipation structure and an LED display.

In a first aspect, the present application provides a heat dissipation structure for dissipating heat from an LED display, including: a radiating pipe;

the cooling tube includes inner tube and outer tube, the inner tube is located the inside of outer tube, just the inner tube with leave the space between the outer tube, be equipped with heat-conducting liquid in the space, the inner tube is equipped with the inner chamber, the inner chamber is equipped with the coolant liquid.

Preferably, the heat radiation structure further comprises a fixed block, the fixed block is arranged in the gap, one end of the fixed block is connected with the outer surface of the inner pipe, and the other end of the fixed block is connected with the inner surface of the outer pipe.

In a second aspect, the present application provides an LED display comprising: the heat dissipation structure comprises a shell, a display screen, a circuit board and the heat dissipation structure, wherein the circuit board and the heat dissipation structure are arranged in the shell, the back of the circuit board is in contact with the heat dissipation structure, a mounting hole is formed in the front end of the shell, the display screen is embedded in the mounting hole, and heat dissipation holes are formed in the upper end of the shell.

Preferably, the LED display further includes a dust guard disposed in the housing, and the dust guard is located at the heat dissipation hole.

Preferably, the surface of the dust guard facing the heat dissipation hole is provided with a bump, and the housing is provided with a groove matched with the bump.

Preferably, the back of the shell is provided with an opening communicated with the inside of the shell, and the opening is provided with a cover plate for sealing.

Preferably, a first mounting hole is formed in the cover plate, a mounting column is arranged in the shell, and a second mounting hole matched with the first mounting hole is formed in the mounting column.

Preferably, the cover plate is respectively provided with a USB interface, an input interface and an output interface which are electrically connected with the circuit board.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

set up this heat radiation structure in the LED display to make circuit board and heat radiation structure contact, later through locating the inner tube in the outer tube, and set up heat-conducting liquid in the space of inner tube and outer tube, and set up the coolant liquid at the inner tube, thereby dispel the heat fast with the heat that produces, simple structure, the radiating effect is good, can avoid components and parts to cause the damage because of the high temperature effectively.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

In the drawings:

fig. 1 is a schematic structural view of the heat dissipation structure of the present invention;

fig. 2 is a schematic structural diagram of the LED display of the present invention;

fig. 3 is a schematic diagram of the internal structure of the LED display of the present invention;

fig. 4 is a schematic back view of the LED display of the present invention;

FIG. 5 is an enlarged schematic view at A in FIG. 3;

reference numerals: 1. a heat dissipation structure; 101. an outer tube; 102. an inner tube; 103. a void; 104. an inner cavity; 105. a fixed block; 2. a housing; 3. a display screen; 4. heat dissipation holes; 5. a dust-proof plate; 6. a circuit board; 7. a cover plate; 8. a first mounting hole; 9. a USB interface; 10. an input interface; 11. an output interface; 12. a bump; 13. a groove;

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It should also be noted that, unless expressly specified or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and encompass, for example, fixed connections as well as removable connections or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

As shown in fig. 1, in a first aspect of the present invention, a heat dissipation structure 1 is provided, where the heat dissipation structure 1 is used for dissipating heat of an LED display, and includes: a radiating pipe;

the heat dissipation pipe comprises an inner pipe 102 and an outer pipe 101, the inner pipe 102 is arranged inside the outer pipe 101, a gap 103 is reserved between the inner pipe 102 and the outer pipe 101, heat conduction liquid is arranged in the gap 103, the inner pipe 102 is provided with an inner cavity 104, and the inner cavity 104 is provided with cooling liquid.

With this heat radiation structure 1 setting in the LED display, and make circuit board 6 and heat radiation structure 1 contact, later through locating inner tube 102 in outer tube 101, and set up heat-conducting liquid in the space 103 of inner tube 102 and outer tube 101, and set up the coolant liquid at inner tube 102, the heat of production is conducted on inner tube 102 through the effect of heat-conducting liquid, later cool down fast under the effect of coolant liquid, thereby the realization dispels the heat fast with the heat of production, moreover, the steam generator is simple in structure, the radiating effect is good, can avoid components and parts to cause the damage because of the high temperature effectively.

In one embodiment, the heat dissipating structure 1 further includes a fixing block 105, the fixing block 105 is disposed in the gap 103, one end of the fixing block 105 is connected to the outer surface of the inner tube 102, and the other end of the fixing block 105 is connected to the inner surface of the outer tube 101. It should be noted that, the fixing block 105 is disposed in the gap 103, and two ends of the fixing block 105 are respectively connected to the inner tube 102 and the outer tube 101, so that the inner tube 102 is fixed in the outer tube 101, and the influence of shaking on the heat dissipation effect is avoided.

As shown in fig. 1 to 5, in a second aspect of the present invention, there is provided a LED display comprising: casing 2, display screen 3, circuit board 6 and if first aspect heat radiation structure 1, in casing 2 was all located to circuit board 6 and heat radiation structure 1, and the back of circuit board 6 contacted with heat radiation structure 1, the installing port had been seted up to the front end of casing 2, display screen 3 inlays in installing port department, and louvre 4 has been seted up to the upper end of casing 2.

By arranging the heat dissipation structure 1 in the casing 2, because the back surface of the circuit board 6 is in contact with the heat dissipation structure 1, and the heat dissipation structure 1 adopts a mode of combining the inner tube 102 and the outer tube 101, heat is sequentially conducted to the inner tube 102 and then absorbed by the cooling liquid of the inner tube 102, so that the purpose of rapid heat dissipation is achieved; meanwhile, the upper end of the shell 2 is provided with the heat dissipation holes 4, so that the flow of hot air in the shell 2 is accelerated, heat exchange is carried out between the hot air and the outside air through the heat dissipation holes 4, and the circuit board 6 is further effectively prevented from being damaged due to overhigh temperature.

In one embodiment, the LED display further includes a dust-proof plate 5 disposed inside the housing 2, and the dust-proof plate 5 is located at the heat dissipation hole 4. It should be noted that, the arrangement of the dust-proof plate 5 can effectively reduce the influence of the dust outside entering the housing 2 through the heat dissipation hole 4 on the heat dissipation of the circuit board 6.

Specifically, be equipped with lug 12 on dust guard 5 towards the surface of louvre 4, and be equipped with on casing 2 with the recess 13 of lug 12 looks adaptation, through mutually supporting of lug 12 and recess 13 for dust guard 5 is connected on casing 2, when needs are dismantled, only need outwards extract, make lug 12 break away from in the recess 13 can, simple structure, it is more convenient to install or dismantle.

In one embodiment, the back of the housing 2 is provided with an opening communicating with the interior of the housing 2, and the opening is provided with a cover plate 7 for closing the cover.

Specifically, a first mounting hole 8 is formed in the cover plate 7, a mounting column is arranged in the shell 2, and a second mounting hole matched with the first mounting hole 8 is formed in the mounting column.

When circuit board 6 or other components and parts in the casing 2 need be repaired or changed, only need will pass through the fastener of first mounting hole 8 and second mounting hole and extract, later outwards pull apron 7 again, can take out circuit board 6 or other components and parts in the casing 2.

In one embodiment, the cover plate 7 is provided with a USB interface 9, an input interface 10 and an output interface 11 electrically connected to the circuit board 6.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A heat dissipation structure for dissipating heat from an LED display, comprising: a radiating pipe;

2. The heat dissipation structure of claim 1, further comprising a fixing block, wherein the fixing block is disposed in the gap, and one end of the fixing block is connected to the outer surface of the inner tube, and the other end of the fixing block is connected to the inner surface of the outer tube.

3. An LED display, comprising: the heat dissipation structure comprises a shell, a display screen, a circuit board and the heat dissipation structure according to any one of claims 1 to 2, wherein the circuit board and the heat dissipation structure are arranged in the shell, the back surface of the circuit board is in contact with the heat dissipation structure, a mounting opening is formed in the front end of the shell, the display screen is embedded in the mounting opening, and heat dissipation holes are formed in the upper end of the shell.

4. The LED display of claim 3, further comprising a dust shield disposed within the housing, the dust shield being positioned at the heat sink.

5. The LED display of claim 4, wherein the surface of the dust-proof board facing the heat dissipation hole is provided with a protrusion, and the housing is provided with a groove adapted to the protrusion.

6. The LED display of claim 3, wherein the back of the housing defines an opening communicating with the interior of the housing, and the opening defines a cover for covering the opening.

7. The LED display of claim 6, wherein the cover plate defines a first mounting hole, the housing defines a mounting post therein, and the mounting post defines a second mounting hole therein for mating with the first mounting hole.

8. The LED display of claim 6, wherein the cover plate is respectively provided with a USB interface, an input interface and an output interface which are electrically connected with the circuit board.