CN209882436U

CN209882436U - Backlight LED driving light source plate

Info

Publication number: CN209882436U
Application number: CN201920147602.8U
Authority: CN
Inventors: 叶永春
Original assignee: Foshan Di Guang Optoelectronic Technology Co Ltd
Current assignee: Foshan Di Guang Optoelectronic Technology Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-12-31
Anticipated expiration: 2029-01-29

Abstract

The utility model relates to the technical field of driving light source plates, in particular to a backlight LED driving light source plate, which comprises an optical quartz glass plate and an outer sleeve, wherein the outer side of the optical quartz glass plate is fixedly connected with the outer sleeve, the inner side of the outer sleeve is fixedly connected with a horizontally arranged rubber gasket, the top end of the rubber gasket is attached to the bottom end of the optical quartz glass plate, the inner side of the outer sleeve is spirally connected with an inner sleeve, and the inner side of the inner sleeve is fixedly connected with a horizontally arranged rubber filling ring. Has huge economic benefit and wide market prospect, and is worth popularizing and using.

Description

Backlight LED driving light source plate

Technical Field

The utility model relates to a drive light source board technical field specifically is backlight LED drive light source board.

Background

The LED is a semiconductor device with sensitive characteristics and has negative temperature characteristics, so that a stable working state and protection need to be carried out on the LED in the application process, a driving concept is generated, the requirement of the LED device on a driving power supply is almost strict, the LED can be directly connected with 220V alternating current commercial power unlike a common incandescent bulb, the LED is taken as the most critical component of semiconductor illumination, and is particularly popular in the market due to the fact that various light rings such as energy conservation, environmental protection, long service life, maintenance-free performance and the like are supported, a driving circuit is an important component of an LED product, and the selection of the technical framework of the driving circuit is matched with the specific application in the fields of illumination, backlight sources and display panels, so that the demand on a backlight LED driving light source board is increased increasingly.

Most backlight LED drive light source board heat dissipation problem that exists on the existing market is worried, LED radiating badly can cause LED luminous efficacy to reduce, high temperature can obviously shorten LED's life simultaneously, be unfavorable for the use of production life, can burn out the circuit and cause the conflagration if keep long-term high temperature state, and traditional backlight LED drive light source board lacks the sealed processing to the circuit, dust and moisture in the air receive electrostatic adsorption easily to glue on the circuit board, the circuit board receives to corrode can cause the part to generate heat and damage even, be unfavorable for the long-term use of LED circuit, consequently, backlight LED drive light source board is proposed to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a backlight LED drives light source board 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 backlight LED driving light source plate comprises an optical quartz glass plate and an outer sleeve, wherein the outer sleeve is fixedly connected to the outer side of the optical quartz glass plate, the inner side of the outer sleeve is fixedly connected with a horizontally arranged rubber gasket, the top end of the rubber gasket is attached to the bottom end of the optical quartz glass plate, the inner side of the outer sleeve is spirally connected with the inner sleeve, the inner side of the inner sleeve is fixedly connected with a horizontally arranged rubber filling ring, the inner side of the rubber filling ring is fixedly connected with a horizontally arranged circuit board, the top end of the circuit board is fixedly connected with a backlight LED lamp, the bottom end of the circuit board is fixedly connected with a horizontally arranged silica gel sheet, the bottom end of the silica gel sheet is fixedly connected with a vertically arranged metal radiating fin, the bottom end of the inner sleeve is fixedly connected with a radiating shell, the inner side of the bottom end of the radiating shell is provided with a ventilating hole, the bottom end of the bent rod is fixedly connected with a horizontally arranged spring, the bottom end of the inner side of the heat dissipation shell is fixedly connected with a motor, and the tail end of a main shaft of the motor is fixedly connected with a helical blade.

Preferably, the inboard bottom fixed connection of heat dissipation shell has the dustproof filter screen of level setting, and dustproof filter screen is located the top in ventilation hole.

Preferably, the inner side of the bottom end of the outer sleeve and the inner side of the heat dissipation shell are both provided with connecting holes, and the bent rod is connected with the outer sleeve and the heat dissipation shell through the connecting holes.

Preferably, the curved bar is arranged in a cylindrical shape, and the longitudinal section of the curved bar is arranged in an S shape.

Preferably, the distance from the bottom end of the metal radiating fin to the top end of the spiral blade is 2 cm.

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

1. the utility model discloses in, silica gel piece, metal cooling fin and helical blade through setting up realize the even heat dissipation of LED circuit, prevent to dispel the heat harmfully to cause LED luminous efficiency to reduce, and the life of extension LED dispels the heat simultaneously is favorable to the use of production life, avoids the circuit to be in high temperature state for a long time and burns out.

2. The utility model discloses in, the simple and easy fixed and sealed processing to the circuit has been realized to rubber packing ring, silica gel piece and rubber packing ring through setting up, avoids dust and moisture in the air to receive the electrostatic adsorption effect to glue on the circuit board, prevents that the circuit board from receiving the local of corroding to cause and generate heat or even damage, is favorable to the long-term use of LED circuit, and this kind of design concept is novel, and the design science has huge economic benefits and extensive market prospect, is worth using widely.

Drawings

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

fig. 2 is a schematic view of the installation structure of the metal heat sink of the present invention.

In the figure: 1-optical quartz glass plate, 2-outer sleeve, 3-rubber gasket, 4-inner sleeve, 5-circuit board, 6-backlight LED lamp, 7-silica gel sheet, 8-metal radiating fin, 9-radiating shell, 10-curved bar, 11-spring, 12-motor, 13-helical blade, 14-dustproof filter screen, 15-rubber filling ring, a-vent hole and b-connecting hole.

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 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. 1-2, the present invention provides a technical solution:

backlight LED drive light source board, including optics quartz glass board 1 and outer sleeve 2, its characterized in that: the optical quartz glass plate comprises an optical quartz glass plate 1, an outer sleeve 2, an inner sleeve 4, an inner rubber packing ring 15, a horizontally arranged rubber packing ring 3, a horizontally arranged circuit board 5, a backlight LED lamp 6, a horizontally arranged silica gel sheet 7, a vertically arranged metal radiating fin 8, a radiating shell 9, a ventilating hole a, a bent rod 10 and a bent rod 10, wherein the outer sleeve 2 is fixedly connected to the outer side of the optical quartz glass plate 1, the inner rubber packing ring 3 is fixedly connected to the inner side of the outer sleeve 2, the top end of the rubber packing ring 3 is attached to the bottom end of the optical quartz glass plate 1, the inner sleeve 4 is spirally connected to the inner side of the outer sleeve 2, the horizontally arranged rubber packing ring 15 is fixedly connected to the inner side of the inner sleeve 4, the horizontally arranged circuit board 5 is fixedly connected to the top end of the circuit board 5, the horizontally arranged silica gel sheet 7 is fixedly connected to the bottom end of, the bottom end of the curved bar 10 is fixedly connected with a horizontally arranged spring 11, the inner bottom end of the heat dissipation shell 9 is fixedly connected with a motor 12, and the tail end of a main shaft of the motor 12 is fixedly connected with a helical blade 13.

The inboard bottom fixed connection of heat dissipation shell 9 has the dustproof filter screen 14 that the level set up, and dustproof filter screen 14 is located the top of ventilation hole an, and this kind of being provided with does benefit to the inspiratory filtration of ventilation hole an, reduces the clearance to helical blade 13, connecting hole b has all been seted up to the bottom inboard of outer sleeve 2 and the inboard of heat dissipation shell 9, and curved bar 10 passes through connecting hole b and connects outer sleeve 2 and heat dissipation shell 9, and this kind of being provided with does benefit to curved bar 10 fixed outer sleeve 2, curved bar 10 is the cylindricality setting, and curved bar 10 indulges the tangent plane shape and is the S type setting, and this kind of being provided with does benefit to curved bar 10 and rotates, the bottom of metal fin 8 is 2cm to the distance on helical blade 13 top, and this kind of being provided with does benefit to and prevents that helical blade 13 from hitting the bottom.

The motor 12 is M560-502 motor, and the backlight LED lamp 6 is 12-LE-51972LED lamp.

The working process is as follows: the device is powered on before use, the backlight LED lamp 6 is powered on to emit light and generate heat, heat on the circuit board 5 is guided into the metal radiating fin 8 by the silica gel sheet 7, the motor 12 is started, the helical blade 13 rotates, air flow is blown to the metal radiating fin 8 after dust is filtered by the vent hole a at the bottom end of the radiating shell 9 through the dustproof filter screen 14, the heat on the metal radiating fin 8 is taken away by the air flow, the hot air flows out of the radiating shell 9 through the connecting hole b, uniform heat dissipation of an LED circuit is realized, reduction of LED luminous efficiency caused by poor heat dissipation is prevented, meanwhile, the service life of the LED is prolonged by heat dissipation, the use of production and life is facilitated, the circuit is prevented from being burnt down due to long-term high temperature state, when the device is installed, the bottom end of the curved rod 10 is pressed, the spring 11 is compressed, the inner sleeve, the LED circuit board has the advantages that dust and moisture in the air are prevented from being stuck on the circuit board under the action of electrostatic adsorption, the circuit board is prevented from being corroded to cause local heating and even damage, long-term use of the LED circuit is facilitated, the design concept is novel, the design is scientific, huge economic benefits and wide market prospects are realized, and the LED circuit board is worthy of popularization and use.

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

Claims

1. Backlight LED drive light source board, including optics quartz glass board (1) and outer sleeve (2), its characterized in that: the optical quartz glass plate comprises an optical quartz glass plate (1), an outer sleeve (2) and an inner sleeve (2), wherein the outer sleeve (2) is fixedly connected to the inner side of the outer sleeve (2), a rubber gasket (3) is horizontally arranged and fixedly connected to the inner side of the outer sleeve (2), the top end of the rubber gasket (3) is attached to the bottom end of the optical quartz glass plate (1), the inner sleeve (4) is spirally connected to the inner side of the outer sleeve (2), a rubber filling ring (15) is horizontally arranged and fixedly connected to the inner side of the inner sleeve (4), a horizontally arranged circuit board (5) is horizontally arranged and fixedly connected to the inner side of the rubber filling ring (15), a backlight LED lamp (6) is fixedly connected to the top end of the circuit board (5), a horizontally arranged silicon sheet (7) is fixedly connected to the bottom end of the circuit board (5), a vertically arranged metal radiating fin (8) is fixedly connected to the, and ventilation hole (a) have been seted up to the bottom inboard of heat dissipation shell (9), both ends are all rotated and are connected with knee lever (10) about the bottom outside of heat dissipation shell (9), spring (11) that bottom one side fixed connection of knee lever (10) had the level to set up, inboard bottom fixedly connected with motor (12) of heat dissipation shell (9), the terminal fixedly connected with helical blade (13) of main shaft of motor (12).

2. The backlight LED driven light source board of claim 1, wherein: the inboard bottom fixed connection of heat dissipation shell (9) has dustproof filter screen (14) that the level set up, and dustproof filter screen (14) are located the top of ventilation hole (a).

3. The backlight LED driven light source board of claim 1, wherein: connecting holes (b) are formed in the inner side of the bottom end of the outer sleeve (2) and the inner side of the heat dissipation shell (9), and the bent rod (10) is connected with the outer sleeve (2) and the heat dissipation shell (9) through the connecting holes (b).

4. The backlight LED driven light source board of claim 1, wherein: the curved rod (10) is arranged in a cylindrical shape, and the longitudinal section of the curved rod (10) is arranged in an S shape.

5. The backlight LED driven light source board of claim 1, wherein: the distance from the bottom end of the metal radiating fin (8) to the top end of the helical blade (13) is 2 cm.