CN219140719U

CN219140719U - Heat radiation structure of LED lamp backlight device

Info

Publication number: CN219140719U
Application number: CN202222550576.8U
Authority: CN
Inventors: 林智铭; 李晓经; 林大杵
Original assignee: Baoyi Shenzhen Lighting Technology Co ltd
Current assignee: Baoyi Shenzhen Lighting Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-06-06
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to the technical field of LED lamps and discloses a heat radiation structure of an LED lamp backlight device, which comprises a lamp shell, wherein a heat insulation layer is fixed on the inner side of the lamp shell, a fin frame is fixed on the inner side of the heat insulation layer, heat radiation fins are fixed in the fin frame, a heat radiation fan is arranged on the inner side of each heat radiation fin, a backlight device main body is arranged on each heat radiation fin, and a plurality of groups of connecting shafts are uniformly and rotatably connected on the heat insulation layer. The heat radiation structure of the LED lamp backlight device is convenient for the soaking plate to absorb and conduct heat through the soaking plate and the heat radiation fins, improves the heat radiation efficiency, absorbs the heat through the heat radiation fins, and drives air to quickly flow to take away the heat on the heat radiation fins by the heat radiation fan, so that the whole heat radiation effect is ensured, and the problem that the LED lamp backlight device usually adopts natural heat radiation, and the effect of the heat radiation mode on a larger LED lamp is not ideal is solved.

Description

Heat radiation structure of LED lamp backlight device

Technical Field

The utility model relates to the technical field of LED lamps, in particular to a heat dissipation structure of an LED lamp backlight device.

Background

The backlight mainly comprises a light source, a light guide plate, an optical film, a plastic frame and the like, the backlight has the characteristics of high brightness, long service life, uniform light emission and the like, three types of backlight mainly comprise EL, CCFL and LED at present, compared with the traditional illumination light source, the LED illumination has the advantages of energy conservation, emission reduction, soft light, long service life, firmness and the like, and particularly in recent years, the utility model increasingly advocates the concept of energy conservation and environmental protection, the LED illumination application is also more and more extensive, however, the traditional LED lamp backlight device usually adopts natural heat dissipation, the heat dissipation mode has less ideal effect on larger LED lamps, and therefore, the heat dissipation structure of the LED lamp backlight device needs to be developed to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a heat radiation structure of an LED lamp backlight device, which solves the problem that the LED lamp backlight device usually adopts natural heat radiation, and the heat radiation mode has less ideal effect on a larger LED lamp.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat radiation structure of LED lamp backlight unit, includes the lamps and lanterns casing, the lamps and lanterns casing inboard is fixed with the insulating layer, the insulating layer inboard is fixed with the fin frame, the inside fin that is fixed with of fin frame, radiator fan is installed to the fin inboard, install the backlight unit main part on the fin, even rotation is connected with the multiunit on the insulating layer links up the axle, link up and be fixed with the tripe on the axle, the temperature controller is installed in the fin frame outside.

Preferably, a soaking plate is fixed between the radiating fins and the backlight device main body, and is bonded through heat-conducting silica gel.

Preferably, the heat dissipation fan and the backlight device body are respectively embedded into two sides of the heat dissipation fins.

Preferably, the outer ends of the plurality of groups of connecting shafts are respectively fixed with a first connecting rod, and the plurality of groups of first connecting rods are rotationally connected with a second connecting rod.

Preferably, a small motor is fixed on the outer side of the heat insulation layer, a transmission worm is fixed at the output end of the small motor, a connection worm wheel is fixed at the outer end of one group of connection shafts, and the connection worm wheel is meshed with the transmission worm.

Preferably, the fin frame and the radiating fins are made of aluminum alloy, and two groups of radiating fans are arranged on the radiating fins.

(III) beneficial effects

Compared with the prior art, the utility model provides a heat dissipation structure of an LED lamp backlight device, which has the following beneficial effects:

1. the heat radiation structure of the LED lamp backlight device is convenient for the soaking plate to absorb and conduct heat through the soaking plate and the heat radiation fins, improves the heat radiation efficiency, absorbs the heat through the heat radiation fins, and drives air to quickly flow to take away the heat on the heat radiation fins by the heat radiation fan, so that the whole heat radiation effect is ensured, and the problem that the LED lamp backlight device usually adopts natural heat radiation, and the effect of the heat radiation mode on a larger LED lamp is not ideal is solved.

2. This LED lamp backlight unit's heat radiation structure, through temperature controller and adjustable tripe piece, the temperature on fin frame surface of being convenient for makes small-size motor drive the operation of drive worm according to the temperature condition to make the meshing engage the worm wheel rotatory, simultaneously guarantee through the second connecting rod that the multiunit links up epaxial tripe piece rotates simultaneously, control the clearance between the tripe piece, improve radiating efficiency.

3. According to the radiating structure of the LED lamp backlight device, the radiating fan and the backlight device main body are respectively embedded into two sides of the radiating fins, so that the contact area is conveniently increased, heat is quickly absorbed through the radiating fins, air is quickly flowed through the radiating fan to radiate, and the radiating fins and the fin frame are made of aluminum alloy, so that a better conducting effect is conveniently achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of a partial structure of the present utility model;

FIG. 3 is an exploded view of the structure of the present utility model.

In the figure: 1. a lamp housing; 2. a thermal insulation layer; 3. a fin frame; 4. a backlight device main body; 5. a heat radiation fin; 6. a soaking plate; 7. a temperature controller; 8. a heat radiation fan; 9. a connecting shaft; 10. a louver; 11. a first link; 12. a second link; 13. a worm wheel is connected; 14. a drive worm; 15. a small motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a heat radiation structure of LED lamp backlight unit, includes lamps and lanterns casing 1, and lamps and lanterns casing 1 inboard is fixed with insulating layer 2, and insulating layer 2 inboard is fixed with fin frame 3, and fin frame 3 is inside to be fixed with radiator fin 5, and radiator fan 8 is installed to radiator fin 5 inboard, installs backlight unit main part 4 on the radiator fin 5, evenly rotates on insulating layer 2 to be connected with multiunit linking axle 9, is fixed with tripe 10 on linking axle 9, and temperature controller 7 is installed in the fin frame 3 outside.

Specifically, in order to facilitate heat dissipation, a soaking plate 6 is fixed between the heat dissipation fins 5 and the backlight device main body 4, and the heat generated by the backlight device main body 4 is adhered through heat conduction silica gel, so that the heat is rapidly dissipated through the soaking plate 6, and the heat is conducted on the heat dissipation fins 5, so that the heat dissipation efficiency is further improved.

Specifically, in order to facilitate improvement of the contact area, the heat radiation fan 8 and the backlight device body 4 are respectively embedded in both sides of the heat radiation fins 5, rapidly absorb heat through the heat radiation fins 5, and rapidly flow air through the heat radiation fan 8 to radiate heat.

Specifically, in order to be convenient for adjust multiunit linking axle 9 simultaneously, multiunit linking axle 9 outer end all is fixed with first connecting rod 11, rotates between multiunit first connecting rod 11 and is connected with second connecting rod 12, ensures multiunit linking axle 9 and rotates simultaneously through second connecting rod 12.

Specifically, in order to facilitate the control of opening and closing between the louver blades 10, a small motor 15 is fixed on the outer side of the heat insulating layer 2, a transmission worm 14 is fixed at the output end of the small motor 15, a connection worm wheel 13 is fixed at the outer end of one group of connection shafts 9, the connection worm wheel 13 is meshed with the transmission worm 14, the transmission worm 14 is driven to operate through the small motor 15, the meshed connection worm wheel 13 is made to rotate, and the louver blades 10 on the connection shafts 9 are driven to rotate.

Specifically, in order to facilitate better conduction, the fin frame 3 and the heat dissipation fins 5 are both made of aluminum alloy, and two groups of heat dissipation fans 8 are mounted on the heat dissipation fins 5.

Working principle: when the backlight device is used, heat generated by the backlight device main body 4 is rapidly dissipated through the vapor chamber 6 and is conducted on the radiating fins 5, the radiating fins 5 rapidly absorb the heat, air rapidly flows through the radiating fan 8 to dissipate the heat, the temperature of the surface of the fin frame 3 is monitored through the temperature controller 7, the small motor 15 drives the driving worm 14 to operate according to the temperature condition, the meshing engagement worm wheel 13 is enabled to rotate and drives the louver 10 on the engagement shaft 9 to rotate, meanwhile, the second connecting rod 12 guarantees that the louver 10 on the multiple groups of engagement shafts 9 simultaneously rotate, gaps among the louver 10 are controlled, and the heat dissipation efficiency is improved.

In summary, the heat dissipation structure of the LED lamp backlight device is convenient for the soaking plate 6 and the heat dissipation fins 5 to absorb and conduct heat by the soaking plate 6, so as to improve heat dissipation efficiency, the heat dissipation fins 5 absorb heat again, and the heat dissipation fan 8 drives air to quickly flow to take away the heat on the heat dissipation fins 5, so that the whole heat dissipation effect is guaranteed, the problem that the effect of the heat dissipation mode on a larger LED lamp is not ideal is solved, the temperature controller 7 and the adjustable louver blades 10 are convenient for monitoring the temperature of the surface of the fin frame 3, the small motor 15 drives the driving worm 14 to operate according to the temperature condition, the meshing engagement worm wheel 13 is enabled to rotate, the louver blades 10 on the multiple groups of engagement shafts 9 are simultaneously rotated by the second connecting rod 12, the gaps between the louver blades 10 are controlled, the heat dissipation efficiency is improved, the heat dissipation fan 8 and the backlight device main body 4 are respectively embedded into two sides of the heat dissipation fins 5, the contact area is conveniently improved, the heat is quickly absorbed by the fins 5, the air quickly flows through the heat dissipation fan 8, the heat dissipation effect is realized through the fin frame 3 and the fins 5 are made of aluminum alloy, and the heat dissipation effect is conveniently and the heat dissipation effect is better is achieved.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat radiation structure of LED lamp backlight unit, includes lamps and lanterns casing (1), lamps and lanterns casing (1) inboard is fixed with insulating layer (2), its characterized in that: the heat-insulating layer (2) is internally fixed with a fin frame (3), radiating fins (5) are internally fixed in the fin frame (3), a radiating fan (8) is arranged on the inner side of each radiating fin (5), a backlight device main body (4) is arranged on each radiating fin (5), a plurality of groups of connecting shafts (9) are uniformly connected to the heat-insulating layer (2) in a rotating mode, a louver blade (10) is fixed on each connecting shaft (9), and a temperature controller (7) is arranged on the outer side of each fin frame (3).

2. The heat dissipation structure of an LED lamp backlight device as set forth in claim 1, wherein: a vapor chamber (6) is fixed between the radiating fins (5) and the backlight device main body (4), and is bonded through heat-conducting silica gel.

3. The heat dissipation structure of an LED lamp backlight device as set forth in claim 1, wherein: the radiating fan (8) and the backlight device main body (4) are respectively embedded into two sides of the radiating fins (5).

4. The heat dissipation structure of an LED lamp backlight device as set forth in claim 1, wherein: the outer ends of the plurality of groups of connecting shafts (9) are respectively fixed with a first connecting rod (11), and the plurality of groups of first connecting rods (11) are rotationally connected with a second connecting rod (12).

5. The heat dissipation structure of an LED lamp backlight device as set forth in claim 1, wherein: the heat insulation layer (2) is fixed with small-size motor (15) in the outside, and the output of small-size motor (15) is fixed with transmission worm (14), and the outer end of wherein a set of linking axle (9) is fixed with linking worm wheel (13), links up worm wheel (13) and transmission worm (14) meshing.

6. The heat dissipation structure of an LED lamp backlight device as set forth in claim 1, wherein: the fin frame (3) and the radiating fins (5) are made of aluminum alloy, and two groups of radiating fans (8) are arranged on the radiating fins (5).