CN114440161B

CN114440161B - LED backlight module

Info

Publication number: CN114440161B
Application number: CN202210183201.4A
Authority: CN
Inventors: 张�杰
Original assignee: Shenzhen Chengchuang Liquid Crystal Display Co ltd
Current assignee: Shenzhen Chengchuang Liquid Crystal Display Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2024-03-08
Anticipated expiration: 2042-02-28
Also published as: CN114440161A

Abstract

The invention relates to the technical field of LED light emission and discloses an LED backlight module, which comprises a backlight main board and screws, wherein an LED light emitting unit is arranged at the top end of the backlight main board, clamping main body blocks which are arranged at equal intervals are arranged on one side of the backlight main board, fixed main body blocks which are arranged at equal intervals are arranged on the other side of the backlight main board, the other clamping main body blocks and the fixed main body blocks are arranged on the adjacent sides of the clamping main body blocks, the clamping main body blocks comprise a splicing auxiliary block and a splicing main block, a sleeving hole is formed in the bottom of the round one side of the splicing auxiliary block, and a sleeving block is formed at the tip end of the splicing main block.

Description

LED backlight module

Technical Field

The invention relates to the technical field of LED (light-emitting diode) lighting, in particular to an LED backlight module.

Background

The market share of LED backlights is rapidly expanding. Currently, the technology of the LED backlight module is being developed, and the structure of the LED backlight module is being developed, which is mainly divided into a side light type, a direct light type and a hollow type triaxial.

The traditional LED backlight module has a plurality of factors such as difficult installation and difficult maintenance, and the possibility that light leakage is gradually serious exists under long-time use of the LED backlight module in the actual use process, and the traditional maintenance mode is to send back maintenance, but the traditional maintenance mode inevitably causes a large amount of social resource waste, so that the LED backlight module convenient to maintain and install is required.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides an LED backlight module to solve the above-mentioned problems in the prior art.

The invention provides the following technical scheme: the utility model provides a LED backlight unit, includes backlight unit, screw, backlight unit's top is equipped with LED lighting unit, one side of backlight unit is equipped with the joint main part piece of equidistance arrangement, backlight unit's opposite side is equipped with the fixed main part piece of equidistance arrangement, joint main part piece and fixed main part piece are all equipped with another joint main part piece and fixed main part piece on adjacent one side.

Further, joint main part piece is including splice vice piece and splice main part piece, splice circular one side bottom of vice piece has been seted up and has been cup jointed the hole, splice main part piece's pointed end has been seted up the cover and has been cup jointed the piece, splice main part piece's cover is cup jointed the piece and is fixed the splice vice piece through the hole that cup joints of splice vice piece, the joint groove has all been seted up in the position that the mainboard is located the joint main part piece in a poor light, half screw hole has all been seted up at the middle part that splice vice piece and splice main part piece's afterbody meet department, the screw tightening groove has all been seted up in the joint groove of mainboard in a poor light in the middle part of locating each joint main part piece, the equal fixedly connected with dead lever in both sides of fixed main part piece, the fastening groove has all been seted up in the middle part of dead lever, the mainboard that is located every fixed main part piece in a poor light all has been seted up in a poor light in the joint groove, the screw tightening groove of mainboard is all screwed down screw, the screw tightening groove of fixing main part and joint main part piece in a poor light all use the screw tightening the mainboard through the screw tightening groove in a poor light.

Further, the equal fixedly connected with circular telegram spliced pole in bottom both sides of LED lighting unit, the wiring groove has all been seted up to circular telegram spliced pole's both sides, the shell fragment groove has all been seted up in the circular telegram spliced pole department that is located the LED lighting unit in a poor light mainboard to the LED mounting groove, equal fixedly connected with chucking shell fragment in the shell fragment inslot makes the LED lighting unit install easily and need not the soldering tin rifle through such setting and can accomplish the installation, pulls out or the perk with the LED lighting unit of damage through using instrument such as tip vice to accomplish the change.

Further, the cylinder outer wall of the vice piece of concatenation and concatenation owner piece all wraps up the copper sheet, the ring joint hole has been seted up on fixed main part piece top, the inside wall in ring joint hole of fixed main part piece still fixedly connected with circular copper sheet, the ring joint hole of fixed main part piece carries out movable joint with the main part of joint main part piece, the rotary groove of joint main part piece has still been seted up to fixed main part piece, can rotate when needs are rotated in the convenient later stage to easy to assemble and use.

Further, the auxiliary splicing block and the main splicing block of the clamping main body block form a closed loop after being connected with the power supply when the copper sheet of the clamping main body block and the electrified copper sheet of the fixed main body block are movably clamped with each other.

Further, the clamping main body block can rotate one hundred eighty degrees around the circular ring clamping hole of the fixed main body block.

Furthermore, each backlight main board can be connected in parallel through connection of the clamping main body block and the fixed main body block, and a plurality of groups of LED modules are connected in parallel in the later stage of excrement discharge.

The invention has the technical effects and advantages that:

1. the invention is beneficial to preparing a backlight main board when mounting, by horizontally placing the backlight main board, at the moment, the corresponding LED luminous units are pressed into the LED mounting grooves of the backlight main board, at the moment, when the energization connecting posts of the LED luminous units enter the LED mounting grooves of the backlight main board, the clamping elastic pieces on two sides of the LED mounting grooves are extruded through the bottoms firstly contacted by the energization connecting posts, and the compressed clamping elastic pieces instantaneously release the elastic force to clamp the energization connecting posts when the wiring grooves of the energization connecting posts are contacted with the clamping elastic pieces along with the continuous compression of the energization connecting posts, so that the LED luminous units are mounted on the backlight main board, the modularization degree is higher, and the inspection and the maintenance are more convenient.

2. The LED backlight module is characterized in that the clamping main body block and the fixing main body block are arranged, the clamping main body block and the fixing main body block are mounted on the backlight main board after the LED light-emitting unit is mounted, when the clamping main body block is mounted, the sleeving blocks of the splicing main body block are aligned with the sleeving holes of the splicing auxiliary blocks, so that the splicing main body block and the splicing auxiliary blocks are fixed into a whole, the splicing main body block and the half threaded holes of the splicing auxiliary blocks are converged and combined into one threaded hole, the clamping main body block is inserted into the clamping groove of the backlight main board through the clamping main body block, the clamping main body block is screwed down through the screws at the clamping main body block, the clamping main body block is fixed through the screws, the screws can be used for fixing the clamping main body block through the screws, the threaded holes of the splicing auxiliary block and the threaded holes of the splicing main body block are clamped into the clamping groove of the backlight main body block, at the moment, the clamping main body block is clamped into the clamping groove of the corresponding main body block through the clamping main body block, and the fixing rods at the two ends of the fixing main body block are clamped into the fixing groove through the screw fixing main body block, and the clamping main body block is clamped into the fixing groove through the screw hole, and the LED backlight main body block is assembled through the screw, and the LED main body module is assembled and can not be assembled firmly.

3. The clamping main body blocks and the fixing main body blocks are arranged, so that when the LED backlight modules are assembled, the clamping main body blocks and the fixing main body blocks which are right opposite in the same direction are clamped, the fixing main body blocks of one backlight main board are pressed, the clamping main body blocks of the backlight main board positioned below the LED backlight modules are clamped into the circular clamping holes of the fixing main body blocks, and then the assembly of a plurality of groups of LED backlight modules is completed.

4. The clamping main body block is arranged, so that when the LED backlight module needs to be used in multiple directions, the LED backlight module can be connected with the fixing main body block through the clamping main body block, one backlight main board can rotate around the other backlight main board, and the LED backlight module can be used in multiple directions.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is an exploded view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of a backlight motherboard structure according to the present invention.

Fig. 4 is a schematic view of the whole cross-sectional structure of the present invention.

Fig. 5 is a schematic structural diagram of a fastening body block and a fixing body block according to the present invention.

Fig. 6 is an exploded view of the structure of the clamping main body block according to the present invention.

Fig. 7 is an enlarged schematic view of the structure at a in the present invention.

Fig. 8 is a schematic structural diagram of an LED lighting unit according to the present invention.

Fig. 9 is a schematic diagram of a cross-sectional structure of an LED mounting groove of a backlight motherboard according to the present invention.

Fig. 10 is a schematic front view of a cross section of an LED mounting groove of a backlight motherboard according to the present invention.

The reference numerals are: 1. a backlight main board; 101. a screw tightening groove; 102. a fixing groove; 103. a clamping groove; 104. an LED mounting groove; 105. a clamping spring plate; 106. spring plate grooves; 2. an LED light emitting unit; 201. electrifying a connecting column; 2011. wiring grooves; 3. clamping the main body block; 301. splicing auxiliary blocks; 3011. a threaded hole; 302. splicing the main blocks; 3021. a sleeve joint block; 4. a fixed body block; 401. a fixed rod; 4011. a fastening groove; 4012. the circular ring is clamped with the hole; 402. electrifying a copper sheet; 403. the groove is rotated.

Detailed Description

The embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the LED backlight module according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present invention.

Referring to fig. 1-10, the invention provides an LED backlight module, which comprises a backlight main board 1 and screws, wherein an LED light emitting unit 2 is arranged at the top end of the backlight main board 1, one side of the backlight main board 1 is provided with equidistant clamping main body blocks 3, the other side of the backlight main board 1 is provided with equidistant fixing main body blocks 4, and one adjacent side of each of the clamping main body blocks 3 and the fixing main body blocks 4 is provided with another clamping main body block 3 and the fixing main body block 4.

Wherein, joint main part piece 3 is including splice pair piece 301 and splice main part piece 302, splice pair piece 301 circular one side bottom has been seted up and has been cup jointed the hole, splice main part piece 302's tip has been seted up and has been cup jointed piece 3021, splice main part piece 302 cup jointed piece 3021 is fixed the splice pair piece 301 through splice pair piece 301 cup jointed the hole, joint groove 103 has all been seted up in the position that mainboard 1 is located joint main part piece 3 in a poor light, half screw hole 3011 has all been seted up at splice pair piece 301 and splice main part 302's afterbody junction's middle part, the screw tightening groove 101 has all been seted up in the screw tightening groove 103 that mainboard 1 in a poor light is located the screw hole 3011 department of every joint main part piece 3, the equal fixedly connected with dead lever 401 in both sides of dead lever 401, the fastening groove 4011 has all been seted up in the middle part of dead lever 401, mainboard 1 is located every dead lever 4 department and has all been seted up dead lever 102, the screw tightening groove 101 has all been seted up in a poor light mainboard 1 in a poor light, the joint groove 103 is located dead lever 401 of dead lever 4 of dead lever 3, the mainboard 1 is located the dead lever 101 and is all screwed down in a poor light, the mainboard is all screwed down with the screw tightening groove 101 in the main part 1 in the main part by the main part 1.

Wherein, the equal fixedly connected with circular telegram spliced pole 201 in bottom both sides of LED lighting unit 2, wiring groove 2011 has all been seted up to circular telegram spliced pole 201's both sides, the shell fragment groove 106 has all been seted up to circular telegram spliced pole 201 department that is located LED lighting unit 2 to the LED mounting groove 104 of back light mainboard 1, all fixedly connected with chucking shell fragment 105 in the shell fragment groove 106, make LED lighting unit 2 install easily and need not the soldering tin rifle and can accomplish the installation through such setting, can extract or perk damaged LED lighting unit 2 through using instrument such as tip vice to accomplish the change.

Wherein, the cylinder outer wall of concatenation pair piece 301 and concatenation owner piece 302 all wraps up the copper sheet, ring joint hole 4012 has been seted up on fixed main part piece 4 top, the inside wall of the ring joint hole 4012 of fixed main part piece 4 still fixedly connected with circular copper sheet 402 that leads to, the activity joint is carried out with the main part of joint main part piece 3 to the ring joint hole 4012 of fixed main part piece 4, the turning groove 403 of joint main part piece 3 has still been seted up to fixed main part piece 4, make things convenient for the later stage to rotate when rotatory as required, thereby easy to assemble and use.

The sub-splice block 301 and the main splice block 302 of the main splice block 3 form a closed loop after being connected with the copper sheet of the main splice block 3 and the energized copper sheet 402 of the main splice block 4 when being movably clamped with the main splice block 4.

The clamping body block 3 can rotate one hundred eighty degrees around the circular ring clamping hole 4012 of the fixed body block 4.

Each backlight main board 1 can be connected in parallel through connection of the clamping main body block 3 and the fixed main body block 4, and a plurality of groups of LED modules are connected in parallel in the later stage of excrement discharge.

The working principle of the invention is as follows:

s1, when the backlight main board 1 is prepared, the backlight main board 1 is placed horizontally, at the moment, the corresponding LED light-emitting units 2 are pressed into the LED mounting grooves 104 of the backlight main board 1, when the electrified connecting columns 201 of the LED light-emitting units 2 enter the LED mounting grooves 104 of the backlight main board 1, clamping elastic pieces 105 on two sides of the LED mounting grooves 104 are pressed through the bottoms firstly contacted by the electrified connecting columns 201, and the compressed clamping elastic pieces 105 instantly release elasticity to clamp the electrified connecting columns 201 when the wiring grooves 2011 of the electrified connecting columns 201 are contacted with the clamping elastic pieces 105 along with the continuous compression of the electrified connecting columns 201, so that the LED light-emitting units 2 are mounted on the backlight main board 1;

s2, after the LED light-emitting unit 2 is installed, at the moment, installing the clamping main body block 3 and the fixing main body block 4 on the backlight main board 1, and then installing the clamping main body block 3, firstly, aligning the sleeve joint block 3021 of the splicing main block 302 with the sleeve joint hole of the splicing auxiliary block 301 so as to fix the splicing main block 302 and the splicing auxiliary block 301 into a whole, at the moment, converging and combining half threaded holes 3011 of the splicing main block 302 and the splicing auxiliary block 301 into a threaded hole 3011, at the moment, inserting the clamping main body block 3 into the clamping groove 103 of the backlight main board 1, at the moment, fixing the clamping main body block 3 through the screw tightening groove 101 of the backlight main board 1 at the clamping main body block 3 by using a screw, and at the moment, expanding the threaded hole 3011 of the splicing auxiliary block 301 by the screw, at the moment, clamping the clamping main body block 3 into the clamping groove 103 of the main board 1, at the moment, clamping the fixing main body block 4, and fixing the backlight main body block 4 into the corresponding clamping groove 401 of the backlight main body block 1, at the two ends of the fixing main body block 4, and fixing the backlight main body block 4, and the LED module 3, and the LED module are assembled;

s3, when assembling a plurality of LED backlight modules, the clamping main body blocks 3 and the fixed main body blocks 4 which are right opposite in the same direction are used for clamping, and the fixed main body blocks 4 of one backlight main board 1 are pressed to enable the clamping main body blocks 3 of the backlight main board 1 positioned below the LED backlight modules to be clamped into the circular ring clamping holes 4012 of the fixed main body blocks 4, so that assembling of a plurality of groups of LED backlight modules is completed;

s4, when the LED backlight module needs to be used in multiple directions, one backlight main board 1 can rotate around the other backlight main board 1 through connection of the other LED backlight modules with the fixed main body block 4 through the clamping main body block 3, and then the use in multiple directions can be completed.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a LED backlight unit, includes backlight unit (1), screw, its characterized in that: the LED backlight module comprises a backlight main board (1), wherein an LED light-emitting unit (2) is arranged at the top end of the backlight main board (1), clamping main body blocks (3) which are arranged at equal intervals are arranged on one side of the backlight main board (1), fixed main body blocks (4) which are arranged at equal intervals are arranged on the other side of the backlight main board (1), and the other clamping main body blocks (3) and the fixed main body blocks (4) are arranged on the adjacent sides of the clamping main body blocks (3) and the fixed main body blocks (4); the clamping main body block (3) comprises a splicing auxiliary block (301) and a splicing main block (302), a sleeving hole is formed in the bottom of one round side of the splicing auxiliary block (301), a sleeving block (3021) is formed in the tip of the splicing main block (302), the sleeving block (3021) of the splicing main block (302) fixedly sleeving the splicing auxiliary block (301) through the sleeving hole of the splicing auxiliary block (301), clamping grooves (103) are formed in the positions of the backlight main board (1) located the clamping main body block (3), half threaded holes (3011) are formed in the middle of the joint of the tail parts of the splicing auxiliary block (301) and the splicing main block (302), screw tightening grooves (101) are formed in the positions of the threaded holes (3011) of the clamping main body block (3), fixing rods (401) are fixedly connected to the two sides of the fixing main body block (4), fastening grooves (401) are formed in the middle of the fixing rods (401), the backlight main body (1) is located the fixing grooves (101) and the fixing grooves (101) are formed in the fixing grooves (101), the screw tightening grooves (101) of the backlight main board (1) are all in threaded connection with screws, and the fixing main body block (4) and the clamping main body block (3) are all fixed on the backlight main board (1) through the screw tightening grooves (101) of the backlight main board (1) by using screws; the splicing auxiliary block (301) and the splicing main block (302) of the clamping main block (3) form a closed loop after being connected with the power supply when being movably clamped with the fixed main block (4), and the copper sheet of the clamping main block (3) and the electrified copper sheet (402) of the fixed main block (4) are connected with the power supply.

2. The LED backlight module of claim 1, wherein: the LED backlight module comprises an LED luminous unit (2), wherein two sides of the bottom end of the LED luminous unit (2) are fixedly connected with an electrifying connecting column (201), wiring grooves (2011) are formed in two sides of the electrifying connecting column (201), an LED mounting groove (104) of the backlight main board (1) is located at the electrifying connecting column (201) of the LED luminous unit (2) and is provided with an elastic sheet groove (106), and clamping elastic sheets (105) are fixedly connected in the elastic sheet groove (106).

3. The LED backlight module of claim 1, wherein: the cylinder outer wall of concatenation pair piece (301) and concatenation owner piece (302) all wraps up has the copper sheet, ring joint hole (4012) have been seted up on fixed main part piece (4) top, the inside wall of ring joint hole (4012) of fixed main part piece (4) still fixedly connected with circular telegram copper sheet (402), the activity joint is carried out with the main part of joint main part piece (3) in ring joint hole (4012) of fixed main part piece (4), rotation groove (403) of joint main part piece (3) have still been seted up to fixed main part piece (4).

4. A LED backlight module according to claim 3, wherein: the clamping main body block (3) can rotate for one hundred eighty degrees around the circular ring clamping hole (4012) of the fixed main body block (4).

5. The LED backlight module of claim 1, wherein: each backlight main board (1) can be connected in parallel through the connection of the clamping main body block (3) and the fixed main body block (4).