CN216013888U

CN216013888U - LED backlight source with auxiliary heat radiation structure

Info

Publication number: CN216013888U
Application number: CN202122195580.2U
Authority: CN
Inventors: 肖水娟
Original assignee: Shenzhen Zhongxin Microelectronics Technology Co ltd
Current assignee: Shenzhen Zhongxin Microelectronics Technology Co ltd
Priority date: 2021-09-12
Filing date: 2021-09-12
Publication date: 2022-03-11
Anticipated expiration: 2031-09-12

Abstract

The utility model discloses a LED backlight source with auxiliary heat radiation structure, which comprises a shell, wherein the top wall and the bottom wall of the shell are fixedly connected with connecting plates, two connecting plates are fixedly arranged between the two connecting plates, the right side surface of the shell is provided with a light-passing plate, the left side surface of the substrate is connected with a heat radiation plate through a strong adhesive, the left side surface of the heat radiation plate is fixedly connected with a plurality of heat conduction copper pipes, the surface of the shell is provided with a fan through a bracket, the inner wall of the shell is fixedly connected with a double-hinge seat, a single-hinge seat is fixedly connected between the connecting plate and the shell, the outer surfaces of the double-hinge seat and the single-hinge seat are hinged with a buffer plate, the heat generated by the substrate can be rapidly LED out through the cooperation of the heat conduction copper pipes and the fan, the heat exchange and heat radiation efficiency is improved, the cooperation is carried out through a telescopic rod and a spring, and the protective effect can be played when the shell is pressed, the substrate is effectively protected, and the service life of the substrate is prolonged.

Description

LED backlight source with auxiliary heat radiation structure

Technical Field

The utility model relates to a LED backlight technical field specifically is a LED backlight with supplementary heat radiation structure.

Background

The backlight source is a light source located at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module. The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light.

The LED display screen backlight source heat dissipation structure is used for dissipating heat and cooling the LED display screen backlight source, the LED display screen backlight source is a part of the liquid crystal panel, the liquid crystal panel can not emit light actively, the backlight can be used for displaying and emitting light, therefore, the LED display backlight is widely used in various electronic display devices to provide light source for the liquid crystal panel, the backlight source of the LED display screen generates high temperature when being electrified, so the heat dissipation structure of the backlight source of the LED display screen is required to conduct and dissipate the heat of the high temperature, the backlight source of the LED display screen can stably work and operate, and the heat dissipation structure of the backlight source of the LED display screen is greatly used along with the increase of the use demand of the backlight source of the LED display screen, however, the existing LED display screen backlight heat dissipation structure cannot meet the use requirement, and therefore an LED display screen backlight heat dissipation structure with more excellent heat dissipation and cooling effects is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED backlight with supplementary heat radiation structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LED backlight with supplementary heat radiation structure, includes the shell, the roof of shell and the equal fixedly connected with connecting plate of diapire, two install the base plate between the connecting plate, the right flank of shell is provided with the light-passing board, the left flank of base plate has the heating panel through powerful sticky joint, a plurality of heat conduction copper pipes of left flank fixedly connected with of heating panel, the upper surface and the equal fixedly connected with support of lower surface of shell, the inner wall fixed mounting of support has the fan, the inner wall fixedly connected with double-hinged seat of shell, the connecting plate with fixedly connected with single hinged seat between the shell, double-hinged seat with the surface of single hinged seat articulates there is the buffer board.

Preferably, the left side surface of the shell is provided with a small heat dissipation hole, and the inner wall of the small heat dissipation hole is provided with a heat dissipation gauze.

Preferably, the outer surface of the heat conduction copper pipe is fixedly connected with a plurality of radiating fins, and the inner wall of the heat conduction copper pipe is fixedly connected with a plurality of heat conduction blocks.

Preferably, the outer surface of the housing is fixedly connected with a clamping seat, a dust cover is clamped in the clamping seat, and a dust-proof gauze is arranged on the outer surface of the dust cover.

Preferably, two fixedly connected with telescopic link between the buffer board, the surface cover of telescopic link is equipped with the spring.

Preferably, the inner wall of the heat dissipation small hole is fixedly connected with a cross-shaped support, and the heat conduction copper pipe is fixedly connected with the cross-shaped support.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has simple structure, and can rapidly lead out the heat generated by the substrate by matching the heat conducting copper pipe with the fan, thereby improving the heat exchange and radiation efficiency;

2. the utility model discloses a telescopic link and spring cooperate, can play the effect of protection when the shell pressurized, effectually protect the base plate, have prolonged the life of base plate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

Fig. 4 is the schematic view of the sectional structure of the side of the heat conducting copper tube of the present invention.

In the figure: 1. a housing; 2. a connecting plate; 3. a substrate; 4. a light-transmitting plate; 5. a heat dissipation plate; 6. a heat conducting copper pipe; 7. a heat dissipation small hole; 8. a heat-dissipating screen; 9. a heat dissipating fin; 10. a heat conducting block; 11. a support; 12. a fan; 13. a card holder; 14. a dust cover; 15. a dust-proof gauze; 16. a double hinge base; 17. a single hinge mount; 18. a buffer plate; 19. a telescopic rod; 20. a spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a LED backlight with supplementary heat radiation structure, which comprises an outer shell 1, the equal fixedly connected with connecting plate 2 of roof and diapire of shell 1, install base plate 3 between two connecting plates 2, the right flank of shell 1 is provided with light-passing board 4, the left surface of base plate 3 has heating panel 5 through powerful sticky joint, a plurality of heat conduction copper pipes of left surface fixedly connected with 6 of heating panel 5, the upper surface and the equal fixedly connected with support 11 of lower surface of shell 1, the inner wall fixed mounting of support 11 has fan 12, the two hinge joint seats 16 of inner wall fixedly connected with of shell 1, fixedly connected with single hinge joint seat 17 between connecting plate 2 and the shell 1, the surface of two hinge joint seats 16 and single hinge joint seat 17 articulates there is buffer board 18.

Specifically, as shown in fig. 1-4, a small heat dissipation hole 7 is formed in the left side surface of the housing 1, a heat dissipation gauze 8 is arranged on the inner wall of the small heat dissipation hole 7, and the heat dissipation gauze 8 can not only dissipate heat, but also play a role in dust prevention.

Specifically, as shown in fig. 1 to 4, a plurality of heat dissipation fins 9 are fixedly connected to the outer surface of the heat conduction copper pipe 6, a plurality of heat conduction blocks 10 are fixedly connected to the inner wall of the heat conduction copper pipe 6, the heat conduction blocks 10 can absorb heat, and the heat dissipation fins 9 can uniformly dissipate the heat absorbed by the heat conduction copper pipe 6, so that the heat is separated from the substrate 3, and the heat dissipation effect is good.

Specifically, as shown in fig. 1 to 4, a clamping seat 13 is fixedly connected to the outer surface of the housing 1, a dust cover 14 is clamped inside the clamping seat 13, a dust-proof gauze 15 is arranged on the outer surface of the dust cover 14, the dust cover 14 arranged through clamping can play a convenient and fast dismounting effect, and the dust gauze 15 can block dust to prevent the dust from entering the housing 1 and affecting the heat dissipation effect.

Specifically, as shown in fig. 1 to 4, a telescopic rod 19 is fixedly connected between two buffer plates 18, a spring 20 is sleeved on the outer surface of the telescopic rod 19, and the spring 20 plays a role in buffering and protecting when the shell 1 is under pressure, so that the pressure can be weakened.

Specifically, as shown in fig. 1 to 4, the inner wall of the small heat dissipation hole 7 is fixedly connected with a cross-shaped bracket, and the heat conducting copper tube 6 is fixedly connected with the cross-shaped bracket, so as to play a supporting role, and make the substrate 3 in a stable connection state.

The working principle is as follows: when the utility model is used, the safety of the device is checked firstly, and the base plate 3 is installed through the placing opening on the back surface of the shell 1; after the two connecting plates 2 are arranged, when the LED lamp beads on the right side of the substrate 3 emit light, light rays are emitted from the light-transmitting plate 4, certain heat is generated when the substrate 3 works, the heat is transmitted to the heat conducting copper pipe 6 through the heat radiating plate 5 and is contacted with the heat conducting copper pipe 6, the heat is matched with the heat conducting blocks 10 through the heat radiating fins 9, the heat conducting blocks 10 can absorb the heat, the heat radiating fins 9 can uniformly radiate the heat absorbed by the heat conducting copper pipe 6, so that the heat is separated from the substrate 3 and can be effectively guided out, then the fan 12 is started, the fan 12 works to carry out cold and heat exchange between the internal heat and the outside, so that the heat separated from the substrate 3 is quickly guided out, the heat radiating efficiency is improved, when the right side of the shell 1 receives extrusion in the use process of the substrate 3, the shell 1 can be in a compressed state, and under the elastic action of the spring 20, can play the effect of buffering protection when shell 1 receives pressure, can make pressure weaken, can protect base plate 3, cooperate through cross support and heat conduction copper pipe 6, can support base plate 3, make base plate 3 be in the state of steady operation.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a LED backlight with supplementary heat radiation structure, includes shell (1), its characterized in that: the top wall and the bottom wall of the shell (1) are both fixedly connected with connecting plates (2), a base plate (3) is arranged between the two connecting plates (2), a light-transmitting plate (4) is arranged on the right side surface of the shell (1), a heat-radiating plate (5) is bonded on the left side surface of the substrate (3) through a strong adhesive, the left side surface of the heat dissipation plate (5) is fixedly connected with a plurality of heat conduction copper pipes (6), the upper surface and the lower surface of the shell (1) are both fixedly connected with a bracket (11), a fan (12) is fixedly arranged on the inner wall of the bracket (11), a double-hinged seat (16) is fixedly connected on the inner wall of the shell (1), a single hinge seat (17) is fixedly connected between the connecting plate (2) and the shell (1), the outer surfaces of the double-hinge seat (16) and the single-hinge seat (17) are hinged with a buffer plate (18).

2. The LED backlight source with the auxiliary heat dissipation structure as recited in claim 1, wherein: the left side face of the shell (1) is provided with a small heat dissipation hole (7), and the inner wall of the small heat dissipation hole (7) is provided with a heat dissipation gauze (8).

3. The LED backlight source with the auxiliary heat dissipation structure as recited in claim 1, wherein: the outer surface of the heat conduction copper pipe (6) is fixedly connected with a plurality of radiating fins (9), and the inner wall of the heat conduction copper pipe (6) is fixedly connected with a plurality of heat conduction blocks (10).

4. The LED backlight source with the auxiliary heat dissipation structure as recited in claim 1, wherein: the outer fixed surface of shell (1) is connected with cassette (13), the inside joint of cassette (13) has dust cover (14), the surface of dust cover (14) is provided with dust screen (15).

5. The LED backlight source with the auxiliary heat dissipation structure as recited in claim 1, wherein: two fixedly connected with telescopic link (19) between buffer board (18), the surface cover of telescopic link (19) is equipped with spring (20).

6. The LED backlight source with the auxiliary heat dissipation structure as recited in claim 2, wherein: the inner wall of the small heat dissipation hole (7) is fixedly connected with a cross-shaped support, and the heat conduction copper pipe (6) is fixedly connected with the cross-shaped support.