CN210168127U

CN210168127U - Television convenient for heat dissipation

Info

Publication number: CN210168127U
Application number: CN201921663324.8U
Authority: CN
Inventors: 黄晓峰
Original assignee: Changzhou Hengchuang Heat Management Co Ltd
Current assignee: Changzhou Hengchuang Thermal Management System Co.,Ltd.
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-03-20
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a TV set convenient to heat dissipation, it includes the screen subassembly, locates the backup pad of screen subassembly one side, locates the samming board between screen subassembly and the backup pad and locates the lamp area between screen subassembly and the samming board, and the lamp area is laminated mutually with the samming board, and the samming board is laminated in the surface of backup pad, is provided with the sealed cavity in the samming board, is filled with phase transition working medium in the sealed cavity, has seted up the through-hole with the position of samming board laminating in the backup pad. The utility model discloses a TV set convenient to heat dissipation sets up the through-hole in the backup pad for part temperature-uniforming plate can show out through the through-hole, and the heat on the temperature-uniforming plate can improve heat dispersion through the outside of through-hole direct diffusion to backup pad, has effectively avoided the screen subassembly surface to take place the condition of damaging because of the high temperature, has prolonged the life of TV set.

Description

Television convenient for heat dissipation

Technical Field

The utility model relates to a heat dissipation technical field especially relates to a TV set convenient to heat dissipation.

Background

At present, a screen component for displaying images on a television mainly works by taking a lamp strip as a light source, and the LED lamp strip is deeply welcomed by various industries due to the characteristics of high lighting effect, small light attenuation, environmental protection and the like. However, the high power lamp band generates a large amount of heat during operation, and if the heat is not discharged in time, the service life of the television will be seriously reduced. At present, the method generally adopted is to arrange an aluminum profile or a temperature-equalizing plate between a screen component and a support plate, and the aluminum profile or the temperature-equalizing plate is attached to the lamp strip, so that the heat dissipation effect of the lamp strip is achieved. However, the aluminum profile or the temperature-equalizing plate is arranged between the screen assembly and the support plate inside the television, heat on the lamp strip can not be efficiently diffused to the outside of the support plate after being absorbed, the heat dissipation performance is poor, and the surface of the screen assembly is easily damaged due to overhigh temperature.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to solve the above problems in the prior art, a television set convenient for heat dissipation is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a TV set convenient to heat dissipation, TV set convenient to heat dissipation includes the screen subassembly, locates the backup pad of screen subassembly one side, locate the screen subassembly with samming board between the backup pad and locate the screen subassembly with the lamp area between the samming board, the lamp area with the samming board is laminated, the samming board laminate in the surface of backup pad, be provided with sealed cavity in the samming board, it has the phase transition working medium to fill in the sealed cavity, the through-hole has been seted up with the position of samming board laminating in the backup pad.

Furthermore, the support plate comprises a support main body part and a support bending part which are connected with each other, the temperature equalizing plate comprises a heat dissipation main body part and a heat dissipation bending part which are connected with each other, the heat dissipation main body part is attached to the support main body part, the heat dissipation bending part is located above the support bending part, and the lamp strip is located above the heat dissipation bending part and below the screen assembly.

Further, the through hole is formed in the supporting main body, the closed cavity is arranged in the heat dissipation main body, a boss is arranged on the heat dissipation main body in a protruding mode, the boss is matched with the through hole, and the boss penetrates through the through hole.

Furthermore, reinforcing ribs are arranged on the supporting main body part, and the reinforcing ribs are convexly arranged on the surface of the supporting main body part, which is far away from the heat dissipation main body part.

Furthermore, the reinforcing ribs comprise two transverse reinforcing ribs which are oppositely arranged and a plurality of longitudinal reinforcing ribs which are connected with the transverse reinforcing ribs, one transverse reinforcing rib is arranged at the upper edge position of the supporting main body part, the other transverse reinforcing rib is arranged at the lower edge position of the supporting main body part, one end of each longitudinal reinforcing rib is connected with the transverse reinforcing rib above the corresponding transverse reinforcing rib, and the other end of each longitudinal reinforcing rib is in cross connection with the transverse reinforcing rib below the corresponding longitudinal reinforcing rib.

Furthermore, the television convenient for heat dissipation further comprises a circuit board, and the supporting main body part and/or the heat dissipation main body part corresponding to the through hole are/is provided with an installation part for installing the circuit board.

Further, the backup pad is L shaped plate column structure, support the main part with support and have an contained angle between the portion of bending, the contained angle equals 90.

Further, the temperature equalizing plate is of an L-shaped plate structure, an included angle is formed between the heat dissipation main body part and the heat dissipation bending part, and the included angle is equal to 90 degrees.

Further, the screen assembly comprises a liquid crystal screen, a light guide plate and a screen backboard, wherein the liquid crystal screen, the light guide plate and the screen backboard are sequentially stacked, the heat dissipation main body part is located on one side, away from the light guide plate, of the screen backboard, and the surface of the screen backboard is attached to the surface of the heat dissipation main body part.

Furthermore, the television convenient for heat dissipation further comprises a rear cover plate, the rear cover plate comprises a rear cover main body part and a rear cover bending part which are connected with each other, the rear cover bending part is located below the supporting bending part and attached to the supporting bending part, and the rear cover main body part is located on one side, away from the heat dissipation main body part, of the supporting main body part.

The utility model has the advantages that: the utility model discloses a TV set convenient to heat dissipation sets up the through-hole in the backup pad for part temperature-uniforming plate can show out through the through-hole, and the heat on the temperature-uniforming plate can improve heat dispersion through the outside of through-hole direct diffusion to backup pad, has effectively avoided the screen subassembly surface to take place the condition of damaging because of the high temperature, has prolonged the life of TV set.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of a tv set convenient for heat dissipation according to the present invention;

FIG. 2 is another perspective view of the television of FIG. 1 shown to facilitate heat dissipation (with the back cover panel omitted);

FIG. 3 is an exploded view of the television set of FIG. 1 to facilitate heat dissipation;

FIG. 4 is an exploded view of another perspective of the television set of FIG. 1 to facilitate heat dissipation;

FIG. 5 is a schematic structural diagram of a vapor chamber of the television set of FIG. 3 for dissipating heat;

FIG. 6 is a partial cross-sectional view of the vapor plate of FIG. 5;

fig. 7 is a schematic structural view of a support plate in the television set for facilitating heat dissipation shown in fig. 3;

FIG. 8 is a schematic view of the back cover plate of the television of FIG. 3 for dissipating heat;

fig. 9 is a schematic view of a partial structure of the television set of fig. 1, in which a screen assembly, a support plate, a temperature-uniforming plate and a lamp strip are connected, which facilitates heat dissipation.

In the figure: 1. the base plate, 10, the screen subassembly, 11, the LCD screen, 12, the light guide plate, 13, the screen backplate, 20, the backup pad, 201, the through-hole, 21, support the main part, 22, support the portion of bending, 23, the strengthening rib, 231, horizontal strengthening rib, 232, vertical strengthening rib, 233, the portion of hanging, 30, the temperature-uniforming plate, 301, closed cavity, 302, the phase transition working medium, 31, heat dissipation main part, 32, the portion of bending of heat dissipation, 303, the boss, 40, the lamp area, 50, the circuit board, 51, the installation department, 60, the back shroud, 61, the back shroud main part, 62, the back shroud portion of bending, 601, the louvre.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Please refer to fig. 1-9, the utility model provides a television convenient to heat dissipation, it includes screen assembly 10, locate the backup pad 20 of screen assembly 10 one side, locate the temperature-uniforming plate 30 between screen assembly 10 and the backup pad 20 and locate the lamp area 40 between screen assembly 10 and the temperature-uniforming plate 30, lamp area 40 is laminated with temperature-uniforming plate 30, temperature-uniforming plate 30 is laminated in the surface of backup pad 20, be provided with sealed cavity 301 in the temperature-uniforming plate 30, it has phase transition working medium 302 to fill in the sealed cavity 31, through-hole 201 has been seted up with the position of temperature-uniforming plate 30 laminating on the backup pad 20, through-hole 201 is used for supplying temperature-uniforming plate 30 part to expose, thereby be favorable to the heat diffusion, in order to promote the heat dispersion of temperature-uniforming.

Referring to fig. 5, in a specific embodiment, the temperature-equalizing plate 30 is an L-shaped plate structure, the temperature-equalizing plate 30 includes a heat dissipating main body 31 and a heat dissipating bending portion 32, and the heat dissipating bending portion 32 is located at a lower end of the heat dissipating main body 31 and connected to the heat dissipating main body 31. An included angle is formed between the heat dissipation main body portion 31 and the heat dissipation bent portion 32, and in this embodiment, the included angle is equal to 90 °, that is, the heat dissipation main body portion 31 and the heat dissipation bent portion 32 are perpendicular to each other. The heat dissipating main body 31 and the heat dissipating bent portion 32 are integrally formed, and specifically, the heat dissipating bent portion 32 is formed by bending the lower end of the heat dissipating main body 31. The temperature equalization plate 30 is made of a material having a good thermal conductivity, and for example, the material of the temperature equalization plate 30 may be any one or a combination of two or more of copper, copper alloy, aluminum alloy, titanium, and titanium alloy.

In addition, referring to fig. 9, the lamp strip 40 is substantially in a strip structure, an upper end surface of the lamp strip 40 is attached to a lower end surface of the panel assembly 10, the lower end surface of the lamp strip 40 is attached to an upper end surface of the heat dissipation bending portion 32, and/or one side surface of the lamp strip 40 is attached to a lower end of the heat dissipation main body portion 31, so that a contact area between the lamp strip 40 and the temperature equalization plate 30 is increased, and heat generated in the lamp strip 40 can be transferred to the heat dissipation bending portion 32 as much as possible. It is understood that the light strip 40 may be fixed on the vapor chamber 30 by a thermal conductive adhesive or a thermal conductive adhesive tape. In this embodiment, the light strip 40 is an LED light strip.

Referring to fig. 6, in a specific embodiment, the temperature-equalizing plate 30 is a composite plate structure, specifically, the temperature-equalizing plate 30 is formed by combining two substrates 1, and a closed cavity 301 in the temperature-equalizing plate 30 is formed between the two substrates 1, it can be understood that the closed cavity 301 may be formed by hot rolling and then blowing, or may be formed by stamping and then welding, and the forming manner of the closed cavity 301 is not limited herein. In addition, the closed cavity 301 may be an integral hollow cavity, or may be divided into a plurality of hollow pipelines that are communicated with each other, which is not limited herein. In this embodiment, the closed cavity 301 is disposed on the heat dissipating main body 31 of the temperature equalizing plate 30, and the phase change working medium 302 filled in the closed cavity 301 is water.

Referring to fig. 3, 4 and 9, in one embodiment, the panel assembly 10 includes a liquid crystal panel 11, a light guide plate 12 and a panel back plate 13, which are sequentially stacked, i.e., the light guide plate 12 is located between the liquid crystal panel 11 and the panel back plate 13. The heat dissipation main body part 31 of the temperature equalization plate 30 is located on one side of the screen back plate 13 away from the light guide plate 12, and in the embodiment, the surface of the screen back plate 13 and the surface of the heat dissipation main body part 31 are attached to each other, so that partial heat generated on the screen assembly 10 can be directly transferred to the temperature equalization plate 30, and the heat transfer is accelerated.

Referring to fig. 7, in a specific embodiment, the supporting plate 20 is an L-shaped plate structure, the supporting plate 20 includes a supporting main body portion 21 and a supporting bending portion 22, and the supporting bending portion 22 is located at a lower end of the supporting main body portion 21 and connected to the supporting main body portion 21. An included angle is formed between the supporting main body portion 21 and the supporting bent portion 22, and in the present embodiment, the included angle is equal to 90 °, that is, the supporting main body portion 21 and the supporting bent portion 22 are disposed perpendicular to each other. The support main body 21 and the support bent portion 22 are integrally formed, and specifically, the support bent portion 22 is formed by bending the lower end of the support main body 21.

The support main body part 21 of the support plate 20 is located on one side, away from the screen component 10, of the heat dissipation main body part 31 of the temperature-uniforming plate 30, the support main body part 21 is attached to the heat dissipation main body part 31, the support bending part 22 of the support plate 20 is located below the heat dissipation bending part 32 of the temperature-uniforming plate 30, the support main body part 21 is attached to the heat dissipation bending part 32, and the support main body part 21 is used for supporting the temperature-uniforming plate 30, the screen component 10 and the lamp strip 40. In the present embodiment, the through holes 201 are formed in the support main body portion 21, the through holes 201 are substantially rectangular, and three through holes 201 are provided, and the three through holes 201 are arranged in a line shape in order.

In addition, the supporting plate 20 is provided with mounting holes (not shown) for fixing the temperature-uniforming plate 30, for example, bolts or screws are inserted through the mounting holes and then connected to the temperature-uniforming plate 30, so as to achieve the connection between the two.

Referring to fig. 2, fig. 5 and fig. 7 again, in one embodiment, the heat dissipating main body 31 of the temperature equalizing plate 30 is provided with a boss 303, the boss 303 is protruded on the surface of the heat dissipating main body 31 attached to the supporting main body 21, and the boss 303 is matched with the through hole 201. Specifically, the boss 303 is disposed through the through-hole 201. By providing the bosses 303, the heat on the vapor chamber 30 can be dissipated to the outside of the support plate 20 through the bosses 303, which facilitates heat dissipation. In the present embodiment, the boss 303 is formed by pressing the heat dissipating body 31.

In addition, in order to enhance the supporting performance of the supporting plate 20, the supporting plate 20 is provided with the reinforcing ribs 23, the reinforcing ribs 23 and the through holes 201 are arranged in a staggered manner, each reinforcing rib 23 comprises two transverse reinforcing ribs 231 arranged oppositely and a plurality of longitudinal reinforcing ribs 232 connected with the transverse reinforcing ribs 231, one transverse reinforcing rib 231 is arranged at the upper edge position of the supporting main body part 21, the other transverse reinforcing rib 231 is arranged at the lower edge position of the supporting main body part 21, one end of each longitudinal reinforcing rib 232 is connected with the transverse reinforcing rib 231 positioned above, and the other end of each longitudinal reinforcing rib 232 is connected with the transverse reinforcing rib 231 positioned below in a crossed manner. In this embodiment, two transverse ribs 231 are arranged in parallel with each other, a plurality of longitudinal ribs 232 are arranged in parallel with each other, and the longitudinal ribs 232 and the transverse ribs 231 are arranged perpendicular to each other. Moreover, the reinforcing ribs 23 are formed by stamping the supporting main body part 21, and the reinforcing ribs 23 are convexly arranged on the surface of the supporting main body part 21 away from the heat dissipation main body part 31, so that the problem that the heat dissipation main body part 31 cannot be fully attached to the supporting main body part 21 due to blocking of the reinforcing ribs 23, and further heat dissipation is influenced is avoided.

In a specific embodiment, the reinforcing rib 23 is provided with a hanging member 233, and the hanging member 233 is used for a hanging bracket (not shown) to mount, so as to realize the hanging function of the television. In this embodiment, the hanging member 233 is a connecting post, and when the television is hung, one end of the hanging bracket is connected to the connecting post, and then the other end of the hanging bracket is mounted on the wall.

Referring to fig. 2-4, the tv set convenient for heat dissipation of the present invention further includes a circuit board 50, wherein the circuit board 50 is disposed on a side of the supporting main body portion 21 of the supporting plate 20 away from the temperature equalizing plate 30. In a specific embodiment, the supporting body 21 and/or the heat dissipating body 31 are provided with a mounting portion 51 at a position corresponding to the through hole 201, and the circuit board 50 is mounted and fixed by the mounting portion 51. It is to be understood that, when the temperature-uniforming plate 30 is provided with the bosses 303, the mounting portions 51 may be mounted on the bosses 303. In the present embodiment, the mounting portion 51 is formed by pressing. It is understood that the fixing means between the circuit board 50 and the mounting portion 51 includes, but is not limited to, gluing, clipping, or bolting.

Please refer to fig. 3, fig. 4 and fig. 8, the tv set convenient for heat dissipation of the present invention further includes a back cover plate 60, the back cover plate 60 is located on one side of the supporting plate 20 away from the temperature equalizing plate 30, specifically, the back cover plate 60 includes a back cover main body portion 61 and a back cover bending portion 62, the back cover bending portion 62 is connected to the lower end of the back cover main body portion 61, the back cover main body portion 61 is located on one side of the supporting main body portion 21 away from the heat dissipating main body portion 31, and the back cover bending portion 62 is located below the supporting bending portion 22 and is attached to the supporting bending portion 22. In this embodiment, the rear cover body 61 of the rear cover 60 is provided with heat dissipation holes 601, and the heat dissipation holes 601 are used for heat dissipation, thereby improving the overall heat dissipation performance of the television. In addition, the back cover plate 60 and the support plate 20 can be connected by gluing, screwing, etc., and is not limited herein.

The utility model discloses a TV set convenient to heat dissipation, in operation, the heat that lamp area 40 and screen subassembly 10 produced is transmitted to heat dissipation main part 31 through heat dissipation portion 32 of bending, at this moment, liquid phase change working medium 302 is heated and is formed gaseous phase change working medium, gaseous phase change working medium is full of whole closed cavity 301 rapidly, heat dissipation main part 31 meets the cold back, the heat outdiffusion, gaseous phase change working medium 302 cools off and the liquefaction forms liquid phase change working medium 302, and flow back to the bottom of closed cavity 301, it is reciprocal like this circulation, conduct the outside to temperature uniforming plate 30 with the heat constantly. Because the through hole 201 is formed in the support plate 20, part of the temperature equalizing plate 30 can be exposed through the through hole 201, so that heat on the temperature equalizing plate 30 can be directly diffused to the outside of the support plate 20 through the through hole 201, the heat dissipation performance is improved, the situation that the surface of the screen assembly 10 is damaged due to overhigh temperature is effectively avoided, and the service life of the television is prolonged.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a TV set convenient to heat dissipation which characterized in that: the television convenient for heat dissipation comprises a screen assembly, a supporting plate arranged on one side of the screen assembly, a temperature-equalizing plate arranged between the screen assembly and the supporting plate and a lamp strip arranged between the screen assembly and the temperature-equalizing plate, wherein the lamp strip is attached to the temperature-equalizing plate, the temperature-equalizing plate is attached to the surface of the supporting plate, a closed cavity is arranged in the temperature-equalizing plate, a phase-change working medium is filled in the closed cavity, and a through hole is formed in the supporting plate and attached to the temperature-equalizing plate.

2. The television set facilitating heat dissipation of claim 1, wherein: the lamp strip is located the top of the heat dissipation bending part and located below the screen component.

3. The television set facilitating heat dissipation of claim 2, wherein: the through hole is opened on the support main part, the closed cavity sets up in the heat dissipation main part, heat dissipation main part epirelief is equipped with the boss, the boss with the through-hole cooperation, the boss runs through the through-hole setting.

4. The television set facilitating heat dissipation of claim 2, wherein: the support main body part is provided with reinforcing ribs, and the reinforcing ribs are convexly arranged on the surface of the support main body part far away from the heat dissipation main body part.

5. The television set facilitating heat dissipation of claim 4, wherein: the strengthening rib including relative two horizontal strengthening ribs that set up and with a plurality of vertical strengthening ribs that horizontal strengthening rib is connected, one of them horizontal strengthening rib sets up support the last border position of main part, another horizontal strengthening rib sets up support the lower border position of main part, the one end and the top of vertical strengthening rib horizontal strengthening rib is connected, the other end and the below of vertical strengthening rib horizontal strengthening rib cross connection.

6. The television set facilitating heat dissipation of claim 3, wherein: the television convenient for heat dissipation further comprises a circuit board, and the supporting main body part and/or the heat dissipation main body part corresponding to the through hole are/is provided with installation parts used for installing the circuit board.

7. The television set facilitating heat dissipation of claim 2, wherein: the backup pad is L shaped plate column structure, support the main part with support and have an contained angle between the portion of bending, the contained angle equals 90.

8. The television set facilitating heat dissipation of claim 2, wherein: the temperature equalizing plate is of an L-shaped plate structure, an included angle is formed between the heat dissipation main body part and the heat dissipation bending part, and the included angle is equal to 90 degrees.

9. The television set facilitating heat dissipation of claim 2, wherein: the screen assembly comprises a liquid crystal screen, a light guide plate and a screen backboard, wherein the liquid crystal screen, the light guide plate and the screen backboard are sequentially stacked, the heat dissipation main body part is located on one side, away from the light guide plate, of the screen backboard, and the surface of the screen backboard is attached to the surface of the heat dissipation main body part.

10. The television set facilitating heat dissipation of claim 2, wherein: the television convenient for heat dissipation further comprises a rear cover plate, the rear cover plate comprises a rear cover main body part and a rear cover bending part which are connected with each other, the rear cover bending part is located below the supporting bending part and attached to the supporting bending part, and the rear cover main body part is located on one side, away from the heat dissipation main body part, of the supporting main body part.