CN209823886U

CN209823886U - Improved generation TV set backplate heat radiation structure

Info

Publication number: CN209823886U
Application number: CN201822192883.7U
Authority: CN
Inventors: 侯顺利
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-12-20
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses an improved generation TV set backplate heat radiation structure, including the backplate body, the backplate body is equipped with the heating panel of taking the protruding pipe of rectangle, and the middle part of heating panel is equipped with heat dissipation hole area and dust exhaust area, and the protruding pipe of rectangle is rotated through the location axle and is connected with the dust deflector, and the dust deflector comprises straight board and arc, and straight board passes through the thermal expansion drive assembly and is connected with the plate body above the heat dissipation hole area; the thermal expansion driving assembly comprises a pull rod, an anti-dropping end head is arranged at one end of the pull rod, the other end of the pull rod is rotatably connected with a connecting block through an ear seat, the connecting block is fixed on a straight plate, and an air bag filled with thermal expansion gas is sleeved on the outer side of the pull rod. When the television works, the thermal expansion driving component is heated to push the dust guide plate to open the ventilation channel, so that dust entering during ventilation can be intercepted, and the dust is discharged again by utilizing the structural characteristics of the thermal expansion driving component; when the television does not work, the dust guide plate can block the ventilation channel, so that dust is prevented from entering the shell.

Description

Improved generation TV set backplate heat radiation structure

Technical Field

The utility model relates to a TV set backplate technical field especially relates to an improved generation TV set backplate heat radiation structure.

Background

The TV set can produce a large amount of heats in the use, mainly dispels the heat through the louvre at present, but the louvre communicates the TV inside and outside, gets into the dust easily.

The patent specification with the publication number of CN206728455U discloses a television set back plate heat radiation structure, and it includes heat-conducting plate, heating panel and circulation way, and the heating panel is integrated into one piece structure with the television set back plate, and the heat-conducting plate setting is in the left side of heating panel, and the circulation way setting is between heating panel and heat-conducting plate, is equipped with a plurality of louvres on the heating panel, and the louvre is linked together with the circulation way, and the louvre orientation the right side lower extreme slope of heating panel, the right side of television set back plate is its outside. This TV set backplate heat radiation structure passes through the heat-conducting plate with heat transfer to circulation way, and rethread air cycle takes the heat out from the louvre. The back plate heat dissipation structure actually enables the motor shell to form a closed structure, internal heat is completely dissipated by radiation of the heat conduction plate, heat dissipation efficiency is low, temperature inside the motor shell can be increased, and normal work of internal elements is affected.

Therefore, there is a need for an improved heat dissipation structure for a tv back plate, which can protect dust and ensure heat dissipation efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide an improved generation TV set backplate heat radiation structure.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

an improved television back panel heat dissipation structure comprises a back panel body, wherein the back panel body is provided with at least one heat dissipation plate for ventilation and heat dissipation, four corners of the heat dissipation plate are fixed with the back panel body through fixing screws, a rectangular convex pipe is arranged on the inner side of the heat dissipation plate, and a rectangular bayonet matched with the rectangular convex pipe is formed in the back panel body; the middle part of the heat dissipation plate is provided with a heat dissipation hole area and a dust exhaust area positioned below the heat dissipation hole area, the heat dissipation hole area is uniformly provided with vent holes, the dust exhaust area is provided with strip-shaped through holes, a rectangular convex pipe of the heat dissipation plate is rotatably connected with a dust guide plate through a positioning shaft, a plate body of the dust guide plate positioned above the positioning shaft is a straight plate, a plate body positioned below the positioning shaft is an arc-shaped plate bending to the dust exhaust area, and the outer side of the straight plate, close to the upper end, is connected with the plate body above the heat dissipation hole area through a thermal expansion driving;

the thermal expansion driving assembly comprises a pull rod, one end of the pull rod extends into a sliding groove in a plate body above the heat dissipation hole area, an anti-falling end is arranged at the end of the pull rod, the other end of the pull rod is rotatably connected with a connecting block through an ear seat, the connecting block is fixed on the outer wall of the straight plate close to the upper end of the straight plate, an air bag is sleeved on the outer side of the rod body of the pull rod in the rectangular convex tube, thermal expansion gas is filled in the air bag, and after the thermal expansion gas in the air bag is heated and expanded, the straight plate of the dust guide plate can be driven to move towards; when the thermal expansion gas in the air bag is not heated and expanded, the dust guide plate keeps a vertical state under the action of gravity, the lower end of the arc plate is abutted against the bottom surface of the strip-shaped through hole, and the straight plate and the arc plate of the dust guide plate can plug the channel of the rectangular convex pipe.

Furthermore, in the improved tv back plate heat dissipation structure, a notch matched with the straight plate is formed above the rectangular convex tube.

Further, in the improved tv back plate heat dissipation structure, the heat dissipation plate is made of engineering plastic material.

Further, in the improved tv back plate heat dissipation structure, the dust guide plate is a metal aluminum plate capable of performing radiation heat dissipation.

Further, in the improved heat dissipation structure of the television back plate, the air bag is made of a silica gel material capable of performing reciprocating thermal expansion and contraction, and the thermal expansion gas is carbon dioxide.

The utility model has the advantages that:

the utility model has reasonable structural design, is provided with the dust guide plate which can rotate and the thermal expansion driving component which provides driving force for the dust guide plate, when the television works, the thermal expansion driving component is heated to push the dust guide plate to open a ventilation channel, the dust guide plate can intercept dust entering during ventilation and the dust is discharged again by utilizing the structural characteristics of the dust guide plate; when the television does not work, the dust guide plate can block the ventilation channel, so that dust is prevented from entering the shell. Through this kind of mode, when realizing dustproof, guarantee radiating efficiency.

Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of the thermal expansion driving assembly of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the heat dissipation structure comprises a back plate body 1, a heat dissipation plate 2, a fixing screw 3, a heat dissipation hole area 4, a dust exhaust area 5, a positioning shaft 6, a dust guide plate 7, a thermal expansion driving assembly 8, a pull rod 801, an 802-anti-falling end head, an ear seat 803, a connecting block 804 and an air bag 805.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment is an improved heat dissipation structure of a tv back plate, which includes a back plate body 1, and the back plate body 1 is provided with two heat dissipation plates 2 for ventilation and heat dissipation. The four corners of the heat dissipation plate 2 are fixed with the back plate body 1 through fixing screws 3, the inner side of the heat dissipation plate 2 is provided with a rectangular convex pipe, and the back plate body 1 is provided with a rectangular bayonet matched with the rectangular convex pipe.

The middle part of the heat dissipation plate 2 is provided with a heat dissipation hole area 4 and a dust exhaust area 5 positioned below the heat dissipation hole area 4, the heat dissipation hole area 4 is uniformly provided with vent holes, and the dust exhaust area 5 is provided with strip-shaped through holes. The rectangular convex pipe of the heat radiation plate 2 is rotatably connected with a dust guide plate 7 through a positioning shaft 6. The plate body of the dust guide plate 7 positioned above the positioning shaft 6 is a straight plate, the plate body positioned below the positioning shaft 6 is an arc-shaped plate bent towards the dust exhaust area, and a notch matched with the straight plate is formed above the rectangular convex pipe. The outer side of the straight plate close to the upper end is connected with a plate body above the heat dissipation hole area 4 through a thermal expansion driving assembly 8.

The thermal expansion driving assembly 8 comprises a pull rod 801, one end of the pull rod 801 extends into a sliding groove in the plate body above the heat dissipation hole area 4, and the end is provided with an anti-drop end 802. The other end of the pull rod 801 is rotatably connected with the connecting block 804 through the ear seat 803, and the connecting block 804 is fixed on the outer wall of the straight plate close to the upper end. An air bag 805 is sleeved outside the rod body of the pull rod 801 positioned in the rectangular convex tube, and the air bag 805 is filled with thermal expansion gas. The heat dissipation plate is made of engineering plastic materials.

The dust guide plate 7 is a metal aluminum plate capable of radiating heat. The air bag 805 is made of a silicone material capable of performing reciprocating thermal expansion and contraction, and the thermal expansion gas is carbon dioxide.

One specific application of this embodiment is: when the television works, internal elements generate heat during operation, the temperature inside the shell rises, and after the thermal expansion gas in the air bag 805 is heated and expanded, the straight plate of the dust guide plate 7 can be driven to move towards the inside of the shell, and the arc plate rotates outwards, so that high-temperature gas in the shell can be rapidly discharged through the heat dissipation hole area 4 and the dust exhaust area 5, dust entering through the heat dissipation hole area 4 can be attached to the dust guide plate, and then slides downwards under the action of gravity to the arc plate at the lower part, and finally falls into the outside of the shell. When the television works, the internal elements stop running and generate heat, and because the thermal expansion gas in the air bag 805 is cooled and contracted, the dust guide plate 7 returns to the original position under the action of gravity, the straight plate keeps a vertical state at the moment, the lower end of the arc-shaped plate is abutted against the bottom surface of the strip-shaped through hole, namely, the straight plate and the arc-shaped plate of the dust guide plate 7 can plug the channel of the rectangular convex pipe, and dust cannot enter the shell.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an improved generation TV set backplate heat radiation structure, includes the backplate body, its characterized in that: the backboard body is provided with at least one heat dissipation plate for ventilation and heat dissipation, four corners of the heat dissipation plate are fixed with the backboard body through fixing screws, the inner side of the heat dissipation plate is provided with a rectangular convex pipe, and the backboard body is provided with a rectangular bayonet matched with the rectangular convex pipe; the middle part of the heat dissipation plate is provided with a heat dissipation hole area and a dust exhaust area positioned below the heat dissipation hole area, the heat dissipation hole area is uniformly provided with vent holes, the dust exhaust area is provided with strip-shaped through holes, a rectangular convex pipe of the heat dissipation plate is rotatably connected with a dust guide plate through a positioning shaft, a plate body of the dust guide plate positioned above the positioning shaft is a straight plate, a plate body positioned below the positioning shaft is an arc-shaped plate bending to the dust exhaust area, and the outer side of the straight plate, close to the upper end, is connected with the plate body above the heat dissipation hole area through a thermal expansion driving;

the thermal expansion driving assembly comprises a pull rod, one end of the pull rod extends into a sliding groove in the plate body above the radiating hole region, an anti-falling end is arranged at the end of the pull rod, the other end of the pull rod is rotatably connected with a connecting block through an ear seat, the connecting block is fixed on the outer wall of the straight plate close to the upper end, an air bag is sleeved on the outer side of the rod body of the pull rod in the rectangular convex tube, thermal expansion gas is filled in the air bag, and after the thermal expansion gas in the air bag is heated and expanded, the straight plate of the dust guide plate can be driven to move towards the inside of the; when the thermal expansion gas in the air bag is not heated and expanded, the dust guide plate keeps a vertical state under the action of gravity, the lower end of the arc plate is abutted against the bottom surface of the strip-shaped through hole, and the straight plate and the arc plate of the dust guide plate can plug the channel of the rectangular convex pipe.

2. An improved tv back plate heat dissipation structure as defined in claim 1, wherein: and a notch matched with the straight plate is formed above the rectangular convex pipe.

3. An improved tv back plate heat dissipation structure as defined in claim 1, wherein: the heat dissipation plate is made of engineering plastic materials.

4. An improved tv back plate heat dissipation structure as defined in claim 1, wherein: the dust guide plate is a metal aluminum plate capable of radiating.

5. An improved tv back plate heat dissipation structure as defined in claim 1, wherein: the gasbag is made by the silica gel material that can carry out reciprocal thermal expansion shrink, the thermal expansion nature gas is carbon dioxide.