CN112394573A - Side-in type LED backlight module and use method thereof - Google Patents
Side-in type LED backlight module and use method thereof Download PDFInfo
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- CN112394573A CN112394573A CN202011446626.7A CN202011446626A CN112394573A CN 112394573 A CN112394573 A CN 112394573A CN 202011446626 A CN202011446626 A CN 202011446626A CN 112394573 A CN112394573 A CN 112394573A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
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- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses a side-in type LED backlight source module and a using method thereof. The shading sheet is conveyed into a position between the extrusion plate and the light guide plate, the roller is rotated, the shading sheet moves towards the right side until the shading sheet covers the lower end position of the light guide plate, shading work is carried out, a user rotates the rotating block after the shading sheet is finished, the loop rod rotates around the screw rod, the screw rod moves downwards along the loop rod, the piston block moves downwards, negative pressure is formed at the upper end position of the cavity, the negative pressure is formed in the second air groove, the shading sheet is adsorbed and fixed, the fixing stability is improved, the position of the piston block is reset when the shading sheet needs to be replaced, then the roller is rotated reversely, the piston block can be detached, replacement work is facilitated, and the service life of the whole device is.
Description
Technical Field
The invention relates to the technical field of LED backlight source modules, in particular to a side-in type LED backlight source module and a using method thereof.
Background
LCDs are non-emissive display devices that require a backlight to achieve their display function. Besides the direct effect on the display quality of LCD, the cost of backlight source is 3-5% of the LCD module, and the power consumption is more 75% of the LCD module, which is a very important component of the LCD module. Since high performance backlight technology is required to be used in conjunction with high-definition and large-size LCDs, the LCD industry is striving to develop new application fields, and the high performance of the backlight technology (such as high brightness, low cost, low power consumption, and light and thin) plays a role as a rear engineering assistant.
The existing LED backlight source module has the following defects when in use:
1. when the existing LED backlight source module is used, once the position of an LED lamp is damaged, the whole module needs to be disassembled, then the position of the LED lamp is disassembled, a new LED lamp is replaced, then the module is assembled, and then the module is reset, so that the whole maintenance work is inconvenient, and the convenience of the use of the device is greatly reduced;
2. the position of a shading sheet of the existing LED backlight module is generally bonded and fixed by glue when in use, the gluing position is easy to lose efficacy when in long-term use, so that the position of the shading sheet is separated, the use of the device is influenced, meanwhile, the shading sheet cannot be replaced and maintained by oneself, and once the position of the shading sheet is aged and damaged, the whole module needs to be replaced;
3. the whole display device of current LED backlight module needs to be dismantled when the maintenance is dismantled, then just can make whole module expose, and module fixed mounting generally goes on through the screw, leads to the takedown time long, still needs the reset screw position after accomplishing the maintenance simultaneously, and is very troublesome, so need a device to solve above-mentioned problem promptly.
Disclosure of Invention
The invention aims to provide a lateral-type LED backlight source module and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a side-in type LED backlight module comprises a first shell, a second shell and a lamp panel, wherein a liquid crystal panel is fixedly arranged at the upper end of the first shell, a mounting groove is formed in the inner position of the second shell, a reflective film is fixedly arranged at the right side end inside the second shell, a reflective film is fixedly arranged at the left side end position inside the mounting groove, a light guide plate is fixedly arranged at the upper end position of the reflective film, a light shielding sheet is arranged at the front end position of the light guide plate, a diffusion sheet is fixedly arranged at the upper end position of the light guide plate in a covering manner, a first prism is fixedly arranged at the upper end position of the diffusion sheet, a second prism is fixedly arranged at the upper end position of the first prism, a protective film is fixedly arranged at the upper end position of the second prism in a covering manner, the protective, the lamp plate is movably clamped and arranged at the inner position of the mounting groove, the luminescent lamp is fixedly arranged at the right side end position of the lamp plate, a first limiting block is integrally formed at the left side end position of the inner side of the mounting groove, a first chute is horizontally arranged at the upper end position of the lamp plate, a movable rod is movably clamped and arranged at the inner position of the first chute, the movable rod slides left and right along the inner position of the first chute, a second chute is arranged at the lower end of the first chute at the upper end position of the lamp plate, a first slide block is movably clamped and arranged at the inner position of the second chute, the first slide block slides left and right along the inner position of the second chute, a first spring is fixedly connected and arranged between the left side end position of the first slide block and the left side end of the inner part of the second chute, a first limiting groove is arranged at the upper end position of the lamp plate, a second limiting block is movably clamped at the inner position of the third chute and slides up and down along the inner position of the third chute, a second spring is fixedly connected between the upper end of the second limiting block and the inner upper end of the third chute, when the lamp panel position needs to be disassembled, a user presses the movable rod leftwards to enable the movable rod to move leftwards and extrude the second limiting block to enable the second limiting block to move upwards to the inner position of the third chute, the second spring is extruded to be in a compressed state, meanwhile, the movable rod continues to move leftwards, so that the second limiting block is fixed at the inner position of the third chute, the lamp panel can be in a movable state, a dustproof plate is fixedly welded at the upper end position of the second shell, groove bodies are arranged at the two side end positions of the dustproof plate, and an outer frame is fixedly welded at the outer side end position of the second shell in a surrounding manner, the two side end positions of the outer frame are provided with second limiting grooves, the two side end positions of the outer frame are fixedly welded with third sliding blocks, the two side end positions in the first shell are provided with fifth sliding grooves, the third sliding blocks are movably clamped and arranged in the positions in the fifth sliding grooves, the two side positions of the upper end of the outer frame are fixedly bonded with sealing rubber pads, the sealing rubber pads are convenient to seal the connecting positions with the first shell and prevent dust from entering the first shell, the inner side position of the upper end of the outer frame is provided with an operating groove, a user can conveniently move the outer frame through the operating groove, the two side positions of the upper end of the first shell are provided with limiting mechanisms, the lower end position of the light guide plate is provided with an extrusion plate, the right side position of the upper end of the extrusion plate is vertically welded and fixedly provided with, the light guide plate is internally provided with a first air groove, the lower end of the first air groove is provided with a second air groove, the lower end of the second air groove is communicated with the outside, the front end of the extrusion plate is uniformly and movably arranged with a plurality of rotating shafts, the outer side of the front end of each rotating shaft is fixedly welded with a transmission gear, a transmission chain is arranged between the transmission gears in a surrounding manner, the outer side of each rotating shaft is fixedly provided with a roller in a surrounding manner, the outer side of each roller is fixedly bonded with a rubber ring in position, the left end of the inside of the light guide plate is provided with a cavity which is communicated with the first air groove, the inner side of the cavity is movably clamped with a piston block, the central position of the lower end of the piston block is vertically welded and fixedly provided with a screw rod, the lower end of the screw rod is sleeved, the utility model discloses a device for fixing a light guide plate, including a casing, a stripper plate, a loop bar outer side end position welded fastening is provided with third stopper, the user sends the anti-dazzling screen into position between stripper plate and the light guide plate during use, then rotate the gyro wheel, make the anti-dazzling screen remove to the right side, until covering at light guide plate lower extreme position, carry out shading work, the user rotates the commentaries on classics piece after accomplishing, make the loop bar rotate around the screw rod, thereby make the screw rod move down along the loop bar, make piston piece remove down, thereby make cavity upper end position form the negative pressure, make second gas tank form the negative pressure and adsorb the anti-dazzling screen fixedly, improve fixed stability, reposition piston piece position when needs are changed, then the antiport gyro wheel.
Preferably, the power connection mechanism comprises a movable plate, a third spring, a plug, a slot, a second slider, a fourth chute and a power cord, the movable clamping connection of the right side of the first limiting block is provided with the movable plate at the inner position of the mounting groove, the upper and lower end positions of the movable plate are fixedly welded with the second slider, the upper and lower sides of the mounting groove are horizontally provided with the fourth chute at the inner position of the lamp panel, the second slider is movably clamped and connected at the inner position of the fourth chute, so that the movable plate slides left and right along the fourth chute, the plug is fixedly arranged at the position of the right side end of the movable plate, the slot is arranged at the position of the left side end of the lamp panel, the third spring is fixedly connected between the central position of the left side end of the movable plate and the left side end of the inner part of the mounting groove, right side end position and plug electric connection, press the movable rod during the lamp plate installation, make the movable rod remove to first spout leftmost position, then insert the lamp plate inside the mounting groove, it retrieves to the inside position of third spout to extrude the second stopper during the entering, later the plug inserts the inside position of slot, the lamp plate can communicate the power, continue to press the lamp plate, make the third spring be in compression state, direct fly leaf left side end position is spacing fixed by first stopper, later loosen the movable rod, first spring drives the movable rod and resets, then the second spring drives the second stopper and resets, make the second stopper joint at first spacing inslot position, thereby make the lamp plate fixed, and third spring force prevents that the plug from breaking away from inside the slot.
Preferably, the limiting mechanism comprises a horizontal groove, a horizontal rod, a fourth spring and an operating block, the horizontal groove is horizontally arranged at the upper end position of the first shell, the horizontal rod is movably clamped and arranged at the inner position of the horizontal groove, the horizontal rod slides left and right along the inner position of the horizontal groove, the fourth spring is fixedly connected and arranged between the left end of the horizontal rod and the left end of the inner part of the horizontal groove, the operating block is fixedly welded and arranged at the upper end position of the horizontal rod, the upper end position of the operating block movably extends to the upper end of the first shell, when the device is used, a user can pull the outer frame upwards through the operating groove to draw out the whole second shell, when the second limiting groove moves to the position aligned with the horizontal groove, the fourth spring drives the horizontal rod to reset and clamp inside the second limiting groove so as to fix the position of the outer frame, thereby facilitating the maintenance work of, and need not to dismantle the separation through dismantling the bolt to whole module, simplified the maintenance step greatly.
Preferably, the upper end position of the first sliding block is fixedly welded at the lower end position of the movable rod.
Preferably, the lower end of the second limiting block is in a smooth arc shape, and the lower end of the second limiting block is matched with the first limiting groove.
Preferably, the first limiting groove is arc-shaped.
Preferably, the upper end position of the rubber ring is tightly attached to the lower end position of the light guide plate.
Preferably, the lower end of the loop bar is fixedly welded with a rotating block.
A use method of a side-in type LED backlight module specifically comprises the following steps:
the first step is as follows: when the device is used, a user sends the shading sheet to a position between the extrusion plate and the light guide plate, then the roller is rotated, so that the shading sheet moves towards the right side until the shading sheet covers the lower end position of the light guide plate, shading work is carried out, after the shading work is finished, the user rotates the rotating block, the loop rod rotates around the screw rod, the screw rod moves downwards along the loop rod, the piston block moves downwards, negative pressure is formed at the upper end position of the cavity, the second air groove forms negative pressure to adsorb and fix the shading sheet, the fixing stability is improved, the position of the piston block is reset when the shading sheet needs to be replaced, then the piston block can be detached by reversely rotating the roller, the replacement work is convenient, and the service life of;
the second step is that: when the lamp panel is installed, the movable rod is pressed to move to the leftmost position of the first chute, then the lamp panel is inserted into the installation groove, the second limiting block is extruded to be recovered to the inner position of the third chute during entering, then the plug is inserted into the inner position of the slot, the lamp panel can be communicated with a power supply, the lamp panel is continuously pressed to enable the third spring to be in a compressed state, the left end position of the direct movable plate is limited and fixed by the first limiting block, then the movable rod is loosened, the first spring drives the movable rod to reset, then the second spring drives the second limiting block to reset, the second limiting block is clamped at the inner position of the first limiting slot, so that the lamp panel is fixed, the plug is prevented from being separated from the slot by the elasticity of the third spring, when the lamp panel position needs to be disassembled, a user presses the movable rod to the left side to enable the movable, the second limiting block is enabled to move upwards to the inner position of the third sliding groove, the second spring is simultaneously extruded, the second spring is enabled to be extruded to a compression state, the movable rod continues to move towards the left side, the second limiting block is fixed at the inner position of the third sliding groove, the lamp panel can be enabled to be in a movable state, then the third spring drives the lamp panel to reset, the lamp panel is enabled to be popped out, and therefore the lamp panel can be conveniently maintained and replaced independently;
the third step: when the multifunctional lifting frame is used, a user can pull the whole second shell out by upwards pulling the outer frame through the operation groove until the second limiting groove moves to the position aligned with the horizontal groove, the fourth spring drives the horizontal rod to reset and joint inside the second limiting groove, so that the outer frame is fixed, the maintenance work of the whole module is facilitated, the whole module is not required to be detached and separated through the detaching bolt, and the maintenance steps are greatly simplified.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the shading sheet is fed into a position between the extrusion plate and the light guide plate, then the roller is rotated, so that the shading sheet moves towards the right side until the shading sheet covers the lower end position of the light guide plate, shading work is carried out, after the shading work is finished, a user rotates the rotating block, the loop bar rotates around the screw rod, the screw rod moves downwards along the loop bar, and the piston block moves downwards, so that negative pressure is formed at the upper end position of the cavity, the second air groove forms negative pressure to adsorb and fix the shading sheet, the fixing stability is improved, the position of the piston block is reset when the shading sheet needs to be replaced, and then the roller is rotated reversely to disassemble the shading sheet, so that the replacement work is convenient, and;
2. according to the invention, the movable rod is pressed to the left side, so that the movable rod moves to the left side and extrudes the second limiting block, the second limiting block moves upwards to the inner position of the third sliding chute, the second spring is simultaneously extruded, the second spring is extruded to a compressed state, and meanwhile, the movable rod continues to move to the left side, so that the second limiting block is fixed at the inner position of the third sliding chute, the lamp panel can be in a movable state, then the third spring drives the lamp panel to reset, the lamp panel is popped out, and the lamp panel is convenient to independently maintain and replace;
3. when the device is used, a user can pull the outer frame upwards through the operation groove to draw out the whole second shell, and when the second limiting groove moves to the position aligned with the horizontal groove, the fourth spring drives the horizontal rod to reset and be clamped in the second limiting groove, so that the position of the outer frame is fixed, the maintenance work of the whole module is facilitated, the whole module does not need to be disassembled and separated through a disassembling bolt, and the maintenance steps are greatly simplified.
Drawings
FIG. 1 is a schematic view of an overall structure of a side-in LED backlight module according to the present invention;
FIG. 2 is a schematic diagram of a piston block in a side-entry LED backlight module according to the present invention;
FIG. 3 is a top view of a light guide plate in a side-in LED backlight module according to the present invention;
FIG. 4 is a schematic structural diagram of A1 shown in FIG. 3 according to the present invention;
FIG. 5 is a left sectional view of a second housing of the side-entry LED backlight module according to the present invention;
FIG. 6 is a front view of a second housing of the side-entry LED backlight module according to the present invention;
fig. 7 is a schematic structural diagram of a2 shown in fig. 6 according to the present invention.
In the figure: 1. a first housing; 2. a liquid crystal panel; 3. a second housing; 4. mounting grooves; 5. a lamp panel; 6. a light emitting lamp; 7. a movable rod; 8. a reflective film; 9. a pressing plate; 10. a light guide plate; 11. a shading sheet; 12. a diffusion sheet; 13. a first prism; 14. a second prism; 15. a protective film; 16. positioning a groove; 17. positioning a rod; 18. a first gas tank; 19. a second gas tank; 20. a cavity; 21. a roller; 22. a rubber ring; 23. a transmission gear; 24. a rotating shaft; 25. a drive chain; 26. a piston block; 27. a screw; 28. a loop bar; 29. a third limiting block; 30. rotating the block; 31. a fourth spring; 32. a third spring; 33. a first stopper; 34. a movable plate; 35. a plug; 36. a slot; 37. a power line; 38. a first chute; 39. a second chute; 40. a first slider; 41. a first spring; 42. a first limit groove; 43. a third chute; 44. a second spring; 45. a second limiting block; 46. a second slider; 47. a fourth chute; 48. a power supply connection mechanism; 49. a dust-proof plate; 50. an outer frame; 51. a fifth chute; 52. a third slider; 53. a limiting mechanism; 54. sealing the rubber pad; 55. a trough body; 56. an operation slot; 57. a second limit groove; 58. a horizontal bar; 59. a horizontal groove; 60. and an operation block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a side-in LED backlight module comprises a first shell 1, a second shell 3 and a lamp panel 5, wherein a liquid crystal panel 2 is fixedly arranged at the upper end of the first shell 1, a mounting groove 4 is formed in the inner position of the second shell 3, a reflecting film 8 is fixedly arranged at the right side end of the inner part of the second shell 3, the reflecting film 8 is fixedly arranged at the left side end of the inner part of the mounting groove 4, a light guide plate 10 is fixedly arranged at the upper end of the reflecting film 8, a light shielding sheet 11 is arranged at the front end of the light guide plate 10, a diffusion sheet 12 is fixedly arranged at the upper end of the light guide plate 10 in a covering manner, a first prism 13 is fixedly arranged at the upper end of the diffusion sheet 12, a second prism 14 is fixedly arranged at the upper end of the first prism 13, a protective film 15 is fixedly arranged at the upper end of the second prism 14, and the protective, the inside left side position of mounting groove 4 is provided with power connection mechanism 48, the inside position activity joint of mounting groove 4 is provided with lamp plate 5, lamp plate 5 right side end position fixed mounting is provided with luminescent lamp 6, 4 inboard left side end position integrated into one piece of mounting groove is provided with first stopper 33, first spout 38 has been seted up to lamp plate 5 upper end position level, the inside position activity joint of first spout 38 is provided with movable rod 7, and movable rod 7 slides along the inside position horizontal slip of first spout 38, second spout 39 has been seted up to 38 lower extremes of first spout at lamp plate 5 upper end position, the inside position activity joint of second spout 39 is provided with first slider 40, and first slider 40 slides along the inside position horizontal slip of second spout 39, the fixed setting of first slider 40 upper end position is at 7 lower extreme positions of movable rod, position fixed connection is provided with between 40 left sides position of first slider and the inside left side end of second spout 39 A first spring 41, a first limit groove 42 is formed at the upper end position of the lamp panel 5, the first limit groove 42 is arc-shaped, a third sliding groove 43 is vertically formed at the upper end position of the first limit groove 42 in the second shell 3, a second limit block 45 is movably clamped at the inner position of the third sliding groove 43, the second limit block 45 slides up and down along the inner position of the third sliding groove 43, the lower end position of the second limit block 45 is smooth arc-shaped, the lower end position of the second limit block 45 is matched with the first limit groove 42, a second spring 44 is fixedly connected between the upper end of the second limit block 45 and the inner upper end of the third sliding groove 43, when the lamp panel 5 needs to be disassembled, a user presses the movable rod 7 to the left side to enable the movable rod 7 to move to the left side and extrudes the second limit block 45 to enable the second limit block 45 to move upwards to the inner position of the third sliding groove 43, meanwhile, the second spring 44 is extruded to be in a compressed state, and the movable rod 7 continues to move towards the left side, so that the second limiting block 45 is fixed at the inner position of the third sliding groove 43, that is, the lamp panel 5 is in a movable state, the upper end of the second shell 3 is fixedly welded with the dust-proof plate 49, the two side end positions of the dust-proof plate 49 are provided with groove bodies 55, the outer side end position of the second shell 3 is fixedly welded with an outer frame 50 in a surrounding manner, the two side end positions of the outer frame 50 are provided with second limiting grooves 57, the two side end positions of the outer frame 50 are fixedly welded with third sliding blocks 52, the two side end positions of the inner part of the first shell 1 are provided with fifth sliding grooves 51, the third sliding blocks 52 are movably clamped and arranged at the inner position of the fifth sliding grooves 51, and the two side positions of the, the sealing rubber pad 54 is convenient for sealing the connecting position with the first casing 1 and preventing dust from entering the first casing 1, the inner side position of the upper end of the outer frame 50 is provided with an operation groove 56, the operation groove 56 is convenient for a user to move the outer frame 50, the two side positions of the upper end of the first casing 1 are provided with limiting mechanisms 53, the lower end position of the light guide plate 10 is provided with the extrusion plate 9, the right side position of the upper end of the extrusion plate 9 is vertically welded and fixed with a positioning rod 17, the right side position of the light guide plate 10 is vertically provided with a positioning groove 16, the positioning rod 17 is movably clamped and arranged at the inner position of the positioning groove 16, the inner position of the light guide plate 10 is provided with a first air groove 18, the lower end position of the first air groove 18 is provided with a second air groove 19, the lower end position of the second, a transmission gear 23 is fixedly welded at the outer side position of the front end of the rotating shaft 24, a transmission chain 25 is arranged between the transmission gears 23 in a surrounding manner, a roller 21 is fixedly installed at the outer side end position of the rotating shaft 24 in a surrounding manner, a rubber ring 22 is fixedly bonded at the outer side end position of the roller 21, the upper end position of the rubber ring 22 is tightly attached to the lower end position of the light guide plate 10, a cavity 20 is formed at the left side end position inside the light guide plate 10, the cavity 20 is communicated with the first air groove 18, a piston block 26 is movably clamped at the inner position of the cavity 20, a screw 27 is vertically welded and fixedly arranged at the central position of the lower end of the piston block 26, a loop bar 28 is sleeved at the lower end position of the screw 27 through threads, the lower end position of the loop bar 28 movably penetrates through the left side of the extrusion plate 9, a rotating block, during the use, the user sends the anti-dazzling screen 11 into the position between stripper plate 9 and light guide plate 10, then rotate gyro wheel 21, make anti-dazzling screen 11 remove to the right side, until covering at light guide plate 10 lower extreme position, carry out shading work, the user rotates turning block 30 after the completion, make loop bar 28 rotate around screw rod 27, thereby make screw rod 27 remove downwards along loop bar 28, make piston block 26 remove downwards, thereby make cavity 20 upper end position form the negative pressure, make second gas tank 19 form the negative pressure and adsorb anti-dazzling screen 11 fixedly, improve fixed stability, reposition piston block 26 position when needs are changed, then reverse rotation gyro wheel 21 can dismantle it, convenient change work, the life of whole device has been prolonged greatly.
The power connection mechanism 48 comprises a movable plate 34, a third spring 32, a plug 35, a slot 36, a second slider 46, a fourth sliding groove 47 and a power line 37, the movable clamping connection of the right side of the first limiting block 33 is provided with the movable plate 34 at the inner position of the mounting groove 4, the upper and lower end positions of the movable plate 34 are both fixedly welded with the second slider 46, the upper and lower sides of the mounting groove 4 are horizontally provided with the fourth sliding groove 47 at the inner position of the lamp plate 5, the movable clamping connection of the second slider 46 is provided at the inner position of the fourth sliding groove 47, so that the movable plate 34 slides left and right along the fourth sliding groove 47, the plug 35 is fixedly installed at the right end position of the movable plate 34, the slot 36 is opened at the left end position of the lamp plate 5, the position fixed connection between the center position of the left end of the movable, the left end of the movable plate 34 is fixedly connected with a power line 37, the left end of the power line 37 is electrically connected with an external power supply, the right end of the power line is electrically connected with a plug 35, the movable rod 7 is pressed when the lamp panel 5 is installed, the movable rod 7 is moved to the leftmost position of the first sliding groove 38, the lamp panel 5 is inserted into the installation groove 4, the second limiting block 45 is extruded to be recovered to the inner position of the third sliding groove 43 when the lamp panel 5 enters, then the plug 35 is inserted into the inner position of the slot 36, the lamp panel 5 can be communicated with the power supply, the lamp panel 5 is continuously pressed, the third spring 32 is in a compressed state, the left end of the movable plate 34 is limited and fixed by the first limiting block 33, then the movable rod 7 is loosened, the first spring 41 drives the movable rod 7 to reset, then the second spring 44 drives the second limiting block 45 to reset, thereby making the lamp panel 5 fixed and the third spring 32 elasticity prevents the plug 35 from escaping from the inside of the slot 36.
The limiting mechanism 53 comprises a horizontal groove 59, a horizontal rod 58, a fourth spring 31 and an operating block 60, the horizontal groove 59 is horizontally arranged at the upper end position of the first casing 1, the horizontal rod 58 is movably clamped and connected inside the horizontal groove 59, the horizontal rod 58 slides left and right along the inner position of the horizontal groove 59, the fourth spring 31 is fixedly connected and connected between the left end of the horizontal rod 58 and the left end of the inner part of the horizontal groove 59, the operating block 60 is fixedly welded at the upper end position of the horizontal rod 58, the upper end position of the operating block 60 movably extends to the upper end of the first casing 1, when the device is used, a user pulls the outer frame 50 upwards through the operating groove 56, so that the whole second casing 3 can be drawn out, and when the second limiting groove 57 moves to the position aligned with the horizontal groove 59, the fourth spring 31 drives the horizontal rod 58 to reset and clamp inside the second limiting groove 57, so as to fix the position of the outer frame 50, thereby make things convenient for the maintenance work of whole module to need not to dismantle the separation through dismantling the bolt to whole module, simplified the maintenance step greatly.
A use method of a side-in type LED backlight module specifically comprises the following steps:
the first step is as follows: when the device is used, a user sends the light shielding sheet 11 to a position between the extrusion plate 9 and the light guide plate 10, then the roller 21 is rotated, so that the light shielding sheet 11 moves towards the right side until the light shielding sheet covers the lower end position of the light guide plate 10, light shielding work is carried out, after the light shielding work is finished, the user rotates the rotating block 30, the loop rod 28 rotates around the screw rod 27, the screw rod 27 moves downwards along the loop rod 28, the piston block 26 moves downwards, negative pressure is formed at the upper end position of the cavity 20, the second air groove 19 forms negative pressure to adsorb and fix the light shielding sheet 11, fixing stability is improved, when the device needs to be replaced, the position of the piston block 26 is reset, then the roller 21 is rotated reversely, the device can be detached, replacement work is convenient;
the second step is that: when the lamp panel 5 is installed, the movable rod 7 is pressed, the movable rod 7 is moved to the leftmost position of the first sliding groove 38, then the lamp panel 5 is inserted into the installation groove 4, the second limiting block 45 is extruded to be recovered to the inner position of the third sliding groove 43 when the lamp panel 5 enters, then the plug 35 is inserted into the inner position of the slot 36, the lamp panel 5 can be communicated with a power supply, the lamp panel 5 is continuously pressed, the third spring 32 is in a compression state, the left end position of the direct movable plate 34 is limited and fixed by the first limiting block 33, then the movable rod 7 is loosened, the first spring 41 drives the movable rod 7 to reset, then the second limiting block 45 is driven by the second spring 44 to reset, the second limiting block 45 is clamped at the inner position of the first limiting groove 42, so that the lamp panel 5 is fixed, the plug 35 is prevented from being separated from the inner part of the slot 36 by the elasticity of the third spring 32, the movable rod 7 is enabled to move towards the left side, the second limiting block 45 is extruded, the second limiting block 45 moves upwards to the inner position of the third sliding groove 43, the second spring 44 is extruded at the same time, the second spring 44 is extruded to be in a compressed state, meanwhile, the movable rod 7 continues to move towards the left side, the second limiting block 45 is fixed at the inner position of the third sliding groove 43, the lamp panel 5 can be enabled to be in a movable state, then the third spring 32 drives the lamp panel 5 to reset, the lamp panel 5 is popped out, and therefore the lamp panel 5 is convenient to maintain and replace independently;
the third step: when the multifunctional lifting device is used, a user upwards pulls the outer frame 50 through the operation groove 56, the whole second shell 3 can be taken out, until the second limiting groove 57 moves to the position aligned with the horizontal groove 59, the fourth spring 31 drives the horizontal rod 58 to reset and be clamped inside the second limiting groove 57, and therefore the outer frame 50 is fixed, maintenance work of the whole module is facilitated, the whole module is not required to be detached through the detaching bolt, and maintenance steps are greatly simplified.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (9)
1. The utility model provides a side income formula LED backlight module, includes first casing (1), second casing (3) and lamp plate (5), its characterized in that: the liquid crystal display device is characterized in that a liquid crystal panel (2) is fixedly arranged at the upper end of the first shell (1), a mounting groove (4) is formed in the inner position of the second shell (3), a reflecting film (8) is fixedly arranged at the right side end of the inner part of the second shell (3), the reflecting film (8) is fixedly arranged at the left side end of the inner part of the mounting groove (4), a light guide plate (10) is fixedly arranged at the upper end of the reflecting film (8), a light shielding sheet (11) is arranged at the front end of the light guide plate (10), a diffusion sheet (12) is fixedly arranged at the upper end of the light guide plate (10), a first prism (13) is fixedly arranged at the upper end of the diffusion sheet (12), a second prism (14) is fixedly arranged at the upper end of the first prism (13), and a protective film, the protection film (15) is located at the lower end position of the liquid crystal panel (2), a power supply connection mechanism (48) is arranged at the position of the left side end inside the mounting groove (4), the lamp panel (5) is arranged at the position of the inside of the mounting groove (4) in a movable clamping manner, the luminescent lamp (6) is arranged at the position of the right side end of the lamp panel (5), a first limit block (33) is arranged at the position of the left side end inside the mounting groove (4), a first sliding groove (38) is horizontally formed at the upper end position of the lamp panel (5), a movable rod (7) is arranged at the position of the inside of the first sliding groove (38), a second sliding groove (39) is formed at the position of the upper end of the lamp panel (5) at the lower end of the first sliding groove (38), a first sliding block (40) is arranged at the position of the inside of the second sliding groove (39) in a movable clamping manner, a, the lamp panel (5) is provided with a first limiting groove (42) at the upper end, the second shell (3) is vertically provided with a third sliding groove (43) at the upper end of the first limiting groove (42), the third sliding groove (43) is movably clamped at the inner position and provided with a second limiting block (45), a second spring (44) is fixedly connected between the upper end of the second limiting block (45) and the inner upper end of the third sliding groove (43), a dust guard (49) is fixedly arranged at the upper end of the second shell (3), groove bodies (55) are arranged at the two side ends of the dust guard (49), an outer frame (50) is fixedly arranged at the outer side end of the second shell (3) in a surrounding manner, second limiting grooves (57) are arranged at the two side ends of the outer frame (50), and third sliding blocks (52) are fixedly arranged at the two side ends of the outer frame (50), the light guide plate is characterized in that a fifth sliding groove (51) is formed in the two side end positions in the first shell (1), a third sliding block (52) is movably clamped in the inner position of the fifth sliding groove (51), a sealing rubber pad (54) is fixedly arranged on the two sides of the upper end of the outer frame (50), an operation groove (56) is formed in the inner side position of the upper end of the outer frame (50), a limiting mechanism (53) is arranged on the two side positions of the upper end of the first shell (1), a squeezing plate (9) is arranged on the lower end position of the light guide plate (10), a positioning rod (17) is vertically fixedly arranged on the right side position of the upper end of the squeezing plate (9), a positioning groove (16) is vertically formed in the right side end position of the light guide plate (10), the movable clamping of the positioning rod (17) is arranged, the light guide plate is characterized in that a second air groove (19) is formed in the lower end of the first air groove (18), the lower end of the second air groove (19) is communicated with the outside, a plurality of rotating shafts (24) are uniformly and movably arranged at the front end of the extrusion plate (9), a transmission gear (23) is fixedly arranged at the outer side of the front end of each rotating shaft (24), a transmission chain (25) is arranged between the transmission gears (23) in a surrounding manner, rollers (21) are fixedly arranged at the outer side end of each rotating shaft (24) in a surrounding manner, rubber rings (22) are fixedly arranged at the outer side end of each roller (21), a cavity (20) is formed in the left end of the interior of the light guide plate (10), the cavity (20) is communicated with the first air groove (18), a piston block (26) is movably clamped in the interior of the cavity (20), and a screw (27), the lower end position of the screw rod (27) is sleeved with a loop bar (28), the lower end position of the loop bar (28) movably penetrates through the left side of the extrusion plate (9), and a third limiting block (29) is fixedly arranged at the outer end position of the loop bar (28).
2. The side-in LED backlight module of claim 1, wherein: the power supply connecting mechanism (48) comprises a movable plate (34), a third spring (32), a plug (35), a slot (36), a second slider (46), a fourth sliding groove (47) and a power line (37), the movable clamping connection of the right side of the first limiting block (33) is arranged at the inner position of the mounting groove (4) and is provided with the movable plate (34), the positions of the upper side end and the lower side end of the movable plate (34) are respectively and fixedly provided with the second slider (46), the horizontal positions of the upper side end and the lower side end of the mounting groove (4) are provided with the fourth sliding groove (47), the movable clamping connection of the second slider (46) is arranged at the inner position of the fourth sliding groove (47), the fixed mounting of the position of the right side end of the movable plate (34) is provided with the plug (35), the slot (36) is arranged at the position of the left side end of the lamp plate (5), the fixed connection of the position of, the portable plate (34) left side end position fixed connection is provided with power cord (37), power cord (37) left side end position and external power source electric connection, right side end position and plug (35) electric connection.
3. The side-in LED backlight module of claim 1, wherein: stop gear (53) are including horizontal groove (59), horizon bar (58), fourth spring (31) and operation piece (60), horizontal groove (59) have been seted up to first casing (1) upper end position level, horizontal groove (59) inside position activity joint is provided with horizon bar (58), fixed position is provided with fourth spring (31) between horizon bar (58) left side end and the inside left side end of horizontal groove (59), horizon bar (58) upper end rigidity is provided with operation piece (60), operation piece (60) upper end position activity extends to first casing (1) upper end.
4. The side-in LED backlight module of claim 1, wherein: the upper end position of the first sliding block (40) is fixedly arranged at the lower end position of the movable rod (7).
5. The side-in LED backlight module of claim 1, wherein: the lower end position of the second limiting block (45) is in a smooth arc shape, and the lower end position of the second limiting block (45) is matched with the first limiting groove (42).
6. The side-in LED backlight module of claim 1, wherein: the first limiting groove (42) is arc-shaped.
7. The side-in LED backlight module of claim 1, wherein: the upper end position of the rubber ring (22) is tightly attached to the lower end position of the light guide plate (10).
8. The side-in LED backlight module of claim 1, wherein: the lower end of the loop bar (28) is fixedly provided with a rotating block (30).
9. The use method of the lateral LED backlight module as claimed in claim 1, wherein: the method specifically comprises the following steps:
the first step is as follows: when the device is used, a user sends the light shielding sheet (11) to a position between the extrusion plate (9) and the light guide plate (10), then the roller (21) is rotated, so that the light shielding sheet (11) moves towards the right side until the light shielding sheet covers the lower end position of the light guide plate (10), the light shielding work is carried out, after the light shielding work is finished, the user rotates the rotating block (30), the loop bar (28) rotates around the screw rod (27), the screw rod (27) moves downwards along the loop bar (28), the piston block (26) moves downwards, the upper end position of the cavity (20) forms negative pressure, the second air groove (19) forms negative pressure to adsorb and fix the light shielding sheet (11), the fixing stability is improved, the position of the piston block (26) is reset when the device needs to be replaced, then the roller (21) is rotated reversely, the light shielding sheet can be detached, the replacement work is convenient;
the second step is that: the movable rod (7) is pressed when the lamp panel (5) is installed, the movable rod (7) is moved to the leftmost position of the first sliding groove (38), then the lamp panel (5) is inserted into the installation groove (4), the second limiting block (45) is extruded to be recovered to the inner position of the third sliding groove (43) when the lamp panel enters, then the plug (35) is inserted into the inner position of the slot (36), the lamp panel (5) can be communicated with a power supply, the lamp panel (5) is continuously pressed, the third spring (32) is in a compression state, the left end position of the direct movable plate (34) is limited and fixed by the first limiting block (33), then the movable rod (7) is loosened, the first spring (41) drives the movable rod (7) to reset, then the second spring (44) drives the second limiting block (45) to reset, the second limiting block (45) is clamped at the inner position of the first limiting groove (42), and therefore the lamp panel (5) is, and third spring (32) elasticity prevents plug (35) from breaking away from inside slot (36), when the lamp plate (5) position needs to be dismantled, the user presses movable rod (7) to the left side, make movable rod (7) move to the left side, and extrude second stopper (45), make second stopper (45) upwards move to third spout (43) internal position, extrude second spring (44) simultaneously, make second spring (44) extruded to the compression state, movable rod (7) continue to move to the left side simultaneously, thereby make second stopper (45) fix in third spout (43) internal position, can make lamp plate (5) be in the active state, then third spring (32) drive lamp plate (5) and reset, make lamp plate (5) pop out, thereby make things convenient for the individual maintenance of lamp plate (5) to change work;
the third step: during the use, the user upwards stimulates outer frame (50) through operation groove (56), can take out whole second casing (3), when moving to the position of lining up with horizontal groove (59) up to second spacing groove (57), fourth spring (31) drive horizontal pole (58) joint that resets inside second spacing groove (57), thereby fixed outer frame (50) position, thereby make things convenient for the maintenance work of whole module, and need not to dismantle the separation through dismantling the bolt to whole module, maintenance steps have been simplified greatly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011446626.7A CN112394573A (en) | 2020-12-11 | 2020-12-11 | Side-in type LED backlight module and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011446626.7A CN112394573A (en) | 2020-12-11 | 2020-12-11 | Side-in type LED backlight module and use method thereof |
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| CN112394573A true CN112394573A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011446626.7A Withdrawn CN112394573A (en) | 2020-12-11 | 2020-12-11 | Side-in type LED backlight module and use method thereof |
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Cited By (2)
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| CN113178752A (en) * | 2021-04-24 | 2021-07-27 | 张蛟龙 | Radio frequency connector based on communication technology and use method thereof |
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