CN217559653U

CN217559653U - Side-light type LED backlight source

Info

Publication number: CN217559653U
Application number: CN202221215445.8U
Authority: CN
Inventors: 杨震
Original assignee: Tianjin Galan Auto Parts Co ltd
Current assignee: Tianjin Galan Auto Parts Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-10-11
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a side light type LED backlight, including mount pad and board in a poor light, the left side cover of mount pad is equipped with the board in a poor light, the upper and lower both ends of mount pad all are provided with fixing device, the right side intermediate position department of mount pad is provided with dustproof heat abstractor. The utility model discloses a set up the groove, first spring, the spacer pin, the spout, second spring and dead lever, the mode of having avoided traditional bolt fastening exists dismantles the comparatively trouble problem of change, staff's work efficiency has been improved, this side light formula LED backlight is provided with the mount, the heat dissipation rod, including a motor, an end cap, a controller, a control chip, first spacing rubber piece, spacer bar and the spacing rubber piece of second, the problem of fixed fan hot hole ubiquitous easy dust of advancing has been avoided, can reduce the radiating effect's of finned tube problem when the dust is too much in fixed shell inner accumulation, the ease of use of device has been improved.

Description

Side-light type LED backlight source

Technical Field

The utility model relates to a backlight technical field specifically is a side light type LED backlight.

Background

There are two main types of LED backlights, namely, in-line type and side-light type, and the side-light type LED backlights have been able to satisfy the daily use requirements basically, but there are still some problems to be improved.

The finned tubes are mostly adopted for natural heat dissipation of the existing LED backlight source, so that the circulation of air is facilitated due to the fact that heat dissipation holes are required to be formed in a fixed shell for improving heat dissipation effect, the problem that dust is easily fed into the fixed heat dissipation holes generally exists, the heat dissipation effect of the finned tubes is reduced when the dust is accumulated in the fixed shell too much, and therefore the problem is urgently needed to be solved by the side-light type LED backlight source.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a side light formula LED backlight to solve the fixed fan hot hole ubiquitous problem of advancing the ash easily that proposes among the above-mentioned background art, can reduce the radiating effect's of finned tube problem when the dust is held too much in fixed shell inner product.

In order to achieve the above purpose, the utility model provides a following technical scheme: the side-light type LED backlight source comprises a mounting seat and a backlight plate, wherein the backlight plate is sleeved on the left side of the mounting seat, fixing devices are arranged at the upper end and the lower end of the mounting seat, and a dustproof heat dissipation device is arranged in the middle position of the right side of the mounting seat.

Preferably, fixing device is including setting up groove, first spring, spacer pin, spout, second spring and dead lever, the inside groove that all sets up in lateral wall left side about the mount pad, and two sets of inslot portion that sets up all overlaps and are equipped with the spacer pin, and the spacer pin through first spring with set up groove fixed connection, both ends symmetry is provided with two sets of spouts about the left side wall of mount pad, the inside cover of spout is equipped with the dead lever, and the dead lever passes through second spring and spout fixed connection.

Preferably, two sets of circular through-hole and rectangle through-hole have been seted up respectively to the top left and right sides that sets up the groove, two sets of the spacer pin all is "L" shape design, and the vertical partial cover of two sets of spacer pins establishes in the rectangle through-hole, and the horizontal partial left side of spacer pin is the open type design.

Preferably, the spout is "well" font design, and the both ends of spout communicate respectively and set up groove and mount pad.

Preferably, dustproof heat abstractor includes mount, heat dissipation pole, motor, control chip, first spacing rubber piece, gag lever post and the spacing rubber piece of second, the right side wall middle part fixed mounting of mount pad has the mount, and the intermediate position department at both ends is two sets of gag lever posts to installing about the mount, and is two sets of the relative all glue in proper order of gag lever post has the spacing rubber piece of second, the heat dissipation pole is installed through the pivot at both ends about the inside of mount, and the lateral wall all glue around both ends has first spacing rubber piece about the heat dissipation pole, mount bottom outside is provided with the motor, and the output of motor and the bottom fixed connection of heat dissipation pole, the inside intermediate position of mount pad is provided with control chip.

Preferably, the inside square hole that is provided with of heat dissipation pole, and the both ends communicate with the outside of heat dissipation pole respectively about the square hole.

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

1. this side light formula LED backlight is provided with and sets up groove, first spring, spacer pin, spout, second spring and dead lever, during the use, the spacer pin forms the limited action to the position of dead lever under the effect of first spring to make the dead lever play the fixed to mount pad and backlight board connected state, avoided traditional bolt fastening's mode to have dismantled the problem of changing comparatively trouble, improved staff's work efficiency.

2. This side light type LED backlight is provided with the mount, the heat dissipation pole, including a motor, an end cap, a controller, and a cover plate, first spacing sheet rubber, gag lever post and the spacing sheet rubber of second, when the LED bulb is luminous during the use, control chip control motor drives the heat dissipation pole and rotates 90 inside and outside intercommunication of mount pad under the effect of mount and heat dissipation pole, when the LED bulb stops luminous, thereby control chip secondary control motor drives the heat dissipation pole and rotates 90 inside and outside intercommunication states of messenger's mount pad and close, the problem of fixed fan hot hole ubiquitous easy ash feeding has been avoided, can reduce the radiating effect's of finned tube problem when the dust is too much in fixed shell accumulation, the ease for use of device has been improved.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic view of a partial top-view cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;

fig. 4 is a schematic view of the local overlooking structure of the present invention.

In the figure: 1. a mounting seat; 2. a backlight plate; 3. a fixed mount; 4. a heat dissipation rod; 5. a motor; 6. a control chip; 7. a first limit rubber sheet; 8. a limiting rod; 9. a second limiting rubber sheet; 10. arranging a groove; 11. a first spring; 12. a spacing pin; 13. a chute; 14. a second spring; 15. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 of:

a side light type LED backlight source comprises a mounting seat 1 and a backlight plate 2, wherein the backlight plate 2 is sleeved on the left side of the mounting seat 1, fixing devices are arranged at the upper end and the lower end of the mounting seat 1 respectively, each fixing device comprises a setting groove 10, a first spring 11, a limiting pin 12, a sliding groove 13, a second spring 14 and a fixing rod 15, the setting grooves 10 are arranged inside the left sides of the upper side wall and the lower side wall of the mounting seat 1 respectively, the limiting pins 12 are sleeved inside the two sets of setting grooves 10 respectively, circular through holes and rectangular through holes are formed in the left side and the right side of the top ends of the two sets of setting grooves 10 respectively, the two sets of limiting pins 12 are designed in an L shape, the vertical parts of the two sets of limiting pins 12 are sleeved in the rectangular through holes, the left sides of the transverse parts of the limiting pins 12 are designed in an open mode, the setting grooves 10 can play a limiting role on the limiting pins 12 through the design, and the limiting pins 12 can run more smoothly under the limiting role of the setting grooves 10, the usability of the device is improved when in use, the limiting pin 12 is fixedly connected with the setting groove 10 through the first spring 11, two groups of sliding grooves 13 are symmetrically arranged at the upper end and the lower end of the left side wall of the mounting seat 1, the sliding grooves 13 are in a middle-shaped design, the two ends of the sliding grooves 13 are respectively communicated with the setting groove 10 and the mounting seat 1, the fixing rod 15 is sleeved in the sliding grooves 13, through the design, the fixing rod 15 can enter the setting groove 10 through the sliding grooves 13, so that the fixing rod 15 can sequentially penetrate through the setting groove 10 and the limiting pin 12 and can be completely moved out from the interior of the backlight plate 2, the normal use of the device is ensured, the fixing rod 15 is fixedly connected with the sliding grooves 13 through the second spring 14, the dustproof heat dissipation device comprises a fixing frame 3, a heat dissipation rod 4, a motor 5, a control chip 6, a first limiting rubber sheet 7, a limiting rod 8 and a second limiting rubber sheet 9, the fixing frame 3 is fixedly arranged in the middle of the right side wall of the mounting seat 1, and the middle position department of the upper and lower both ends of the mount 3 is to installing two sets of gag lever posts 8, two sets of gag lever posts 8 are all glued with the second spacing rubber sheet 9 in proper order relatively, the upper and lower both ends of the inside of mount 3 are installed with heat dissipation rod 4 through the pivot, the inside of heat dissipation rod 4 is provided with the square hole, and the left and right ends of square hole communicate with the outside of heat dissipation rod 4 respectively, through this design, the square hole can make heat dissipation rod 4 cut apart into two parts of intercommunication and closed, thus make heat dissipation rod 4 accessible rotating mode make change the connected state of mount 3, but keep the normal operating of the device, and the front and back lateral wall of the upper and lower both ends of heat dissipation rod 4 is all glued with first spacing rubber sheet 7, mount 3 bottom outside is provided with motor 5, the model of motor 5 is YS90-2, and the output of motor 5 is connected with the bottom of heat dissipation rod 4 fixedly, the inside middle position of mount pad 1 is provided with control chip 6, the model of control chip 6 is AT89C51, through the output of control chip 6 and the input electric connection of motor 5.

The right side intermediate position department of mount pad 1 is provided with dustproof heat abstractor, dustproof heat abstractor includes mount 3, heat dissipation rod 4, motor 5, control chip 6, first spacing sheet rubber 7, spacing rod 8 and the spacing sheet rubber of second 9, the right side wall middle part fixed mounting of mount pad 1 has mount 3, and the intermediate position department at both ends is to installing two sets of spacing rod 8 about mount 3, two sets of 8 relative faces of spacing rod all glue have the spacing sheet rubber of second 9, heat dissipation rod 4 is installed through the pivot in both ends about the inside of mount 3, and the lateral wall all glue has first spacing sheet rubber 7 around both ends about heat dissipation rod 4, mount 3 bottom outside is provided with motor 5, and motor 5's output and heat dissipation rod 4's bottom fixed connection, the inside intermediate position of mount pad 1 is provided with control chip 6.

The working principle is as follows: after the LED bulb works in a light-emitting mode, the control chip 6 controls the motor 5 to work and rotate 90 degrees anticlockwise, the heat dissipation rod 4 rotates under the driving of the motor 5, the heat dissipation rod 4 rotates 90 degrees under the driving of the motor 5, the first limiting rubber sheet 7 and the second limiting rubber sheet 9 are in mutual contact under the action of the heat dissipation rod 4, the position of the heat dissipation rod 4 keeps fixed under the action of the friction force of the first limiting rubber sheet 7 and the second limiting rubber sheet 9, the square holes inside the heat dissipation rod 4 are respectively communicated with the two sides of the fixing frame 3, air inside the mounting seat 1 flows to the outside of the mounting seat 1 through the fixing frame 3 and the heat dissipation rod 4, heat exchange is completed, when the LED bulb stops lighting, the control chip 6 controls the motor 5 to rotate 90 degrees clockwise, the first limiting rubber sheet 7 and the second limiting rubber sheet 9 are in a disconnection state, the heat dissipation rod 4 moves to the initial position under the driving of the motor 5, and the communication state of the fixing frame 3 is closed under the action of the heat dissipation rod 4.

When the backlight plate 2 needs to be replaced, the limiting pin 12 is pulled rightwards firstly, the limiting pin 12 moves rightwards along the arrangement groove 10 under the action of tensile force, the limiting pin 12 compresses the first spring 11 to store the force of the first spring 11 when moving, when the left opening of the limiting pin 12 is superposed with the top end of the fixed rod 15, the second spring 14 moves towards the stress direction along the sliding groove 13 under the action of the elastic force of the second spring 14, the fixed rod 15 sequentially penetrates through the opening in the limiting pin 12 and the circular through hole in the left side of the arrangement groove 10, when the transverse extending portion in the middle of the fixed rod 15 is contacted with the top end of the middle of the sliding groove 13, the fixed rod 15 is completely moved out of the backlight plate 2, the backlight plate 2 is pulled leftwards to be moved out of the installation seat 1 only by pulling the backlight plate 2 leftwards, a new backlight plate 2 is embedded into the left side of the installation seat 1, the fixed rod 15 is pressed downwards, the fixed rod moves along the stress direction of the sliding groove 13 under the action of the pressure and is embedded into the inside of the backlight plate 2, the second spring 14 contracts to store the force, when the fixed rod 15 is moved out of the left opening of the limiting pin 12, the first spring 10, the first spring 11 and the fixed rod 15 do not act on the fixing rod 11, and the fixing rod 15.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 side light formula LED backlight, includes mount pad (1) and board (2) in a poor light, the left side cover of mount pad (1) is equipped with board (2) in a poor light, its characterized in that: fixing devices are arranged at the upper end and the lower end of the mounting seat (1), and a dustproof heat dissipation device is arranged in the middle of the right side of the mounting seat (1).

2. An edge-lit LED backlight as claimed in claim 1, wherein: fixing device is including setting up groove (10), first spring (11), spacer pin (12), spout (13), second spring (14) and dead lever (15), lateral wall left side inside all is provided with setting up groove (10) about mount pad (1), and two sets of setting up groove (10) inside all overlaps and be equipped with spacer pin (12), and spacer pin (12) through first spring (11) and set up groove (10) fixed connection, both ends symmetry is provided with two sets of spout (13) about the left side wall of mount pad (1), the inside cover of spout (13) is equipped with dead lever (15), and dead lever (15) are through second spring (14) and spout (13) fixed connection.

3. An edge-lit LED backlight as claimed in claim 2, wherein: circular through-hole and rectangle through-hole have been seted up respectively to the top left and right sides that sets up groove (10), and are two sets of spacer pin (12) all are "L" shape design, and the cover of the vertical part of two sets of spacer pins (12) is established in the rectangle through-hole, and the horizontal part left side of spacer pin (12) is the open type design.

4. An edge-lit LED backlight as claimed in claim 2, wherein: the sliding groove (13) is designed in a shape like the Chinese character 'zhong', and two ends of the sliding groove (13) are respectively communicated with the arrangement groove (10) and the installation seat (1).

5. An edge-lit LED backlight as claimed in claim 1, wherein: dustproof heat abstractor includes mount (3), heat dissipation rod (4), motor (5), control chip (6), first spacing sheet rubber (7), gag lever post (8) and second spacing sheet rubber (9), the right side wall middle part fixed mounting of mount pad (1) has mount (3), and the intermediate position department at both ends about mount (3) is two sets of to installing two sets of gag lever posts (8) the relative lateral wall of gag lever post (8) all is glued there is second spacing sheet rubber (9), heat dissipation rod (4) are installed through the pivot in both ends about the inside of mount (3), and the front and back lateral wall at both ends all is glued and is had first spacing sheet rubber (7) about heat dissipation rod (4), mount (3) bottom outside is provided with motor (5), and the bottom fixed connection of the output of motor (5) and heat dissipation rod (4), the inside intermediate position of mount pad (1) is provided with control chip (6).

6. An edge-lit LED backlight as claimed in claim 5, wherein: a square hole is formed in the heat dissipation rod (4), and the left end and the right end of the square hole are respectively communicated with the outside of the heat dissipation rod (4).