CN220171365U

CN220171365U - Structure capable of carrying out brightness compensation according to LCD brightness attenuation characteristic

Info

Publication number: CN220171365U
Application number: CN202321679360.XU
Authority: CN
Inventors: 余旭桂
Original assignee: Shenzhen Zero Engraving Technology Co ltd
Current assignee: Shenzhen Zero Engraving Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-12
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a structure capable of performing brightness compensation according to the brightness attenuation characteristic of an LCD, which comprises a box body, wherein an operation box is fixedly connected to the inside of the box body, an LCD display screen is fixedly installed on the operation box, a singlechip is fixedly installed in the inside of the box body, a lifting mechanism is arranged in the inside of the box body, a brightness compensation mechanism used for being connected with the lifting mechanism is arranged in the inside of the box body, symmetrical white light lamps are arranged on two sides of the operation box, the inside of the operation box is fixedly connected with one side of a reflecting plate, and a brightness adjusting mechanism is arranged in the inside of the box body. The utility model can carry out multistage brightness compensation on the brightness attenuation of the LCD through the lifting mechanism and the brightness compensation mechanism, ensures the effect of the LCD in actual use, improves the applicability of the LCD, avoids wasting resources, prolongs the service life of the LCD, and avoids the conditions of dark brightness and unclear display of the LCD caused by strong light in daytime through the brightness adjustment mechanism, thereby avoiding light pollution caused by too strong brightness of the LCD.

Description

Structure capable of carrying out brightness compensation according to LCD brightness attenuation characteristic

Technical Field

The utility model relates to the technical field of LCD brightness compensation structures, in particular to a structure capable of carrying out brightness compensation according to LCD brightness attenuation characteristics.

Background

An LCD, also called a liquid crystal display, is a flat thin display device. In the current daily life, LCD displays are widely used in various shops, streets, etc. The phenomenon of brightness reduction occurs after the LCD screen works for a long time, which is mainly caused by the brightness attenuation characteristic of the LCD device, the attenuation is irreversible, meanwhile, the LED is used as a backlight source, and the problem of brightness attenuation also occurs after the LED lamp beads are used for a period of time.

The use effect of the LCD is affected by the luminance decay of the LCD, which may even lead to color inconsistencies. At present, the common practice is to increase the driving current of the LCD to increase the brightness, but under strong current, the stability of the LED lamp beads is reduced, the attenuation is quicker, the resource waste is further caused, the service life of the LCD is reduced, and thus the compensation for the brightness attenuation of the LCD cannot be well satisfied.

Disclosure of Invention

The present utility model is directed to a structure capable of performing brightness compensation according to the brightness attenuation characteristics of an LCD, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can carry out brightness compensation's structure according to LCD luminance decay characteristic, includes the box, the inside fixedly connected with operation box of box, fixedly mounted has the LCD display screen on the operation box, the inside fixed mounting of box has the singlechip, the inside elevating system that is provided with of box, the inside brightness compensation mechanism that is used for being connected with elevating system that is provided with of box, the operation box both sides are provided with symmetrical white light lamp, the inside and reflecting plate one side fixed connection of operation box, the inside brightness adjustment mechanism that is provided with of box.

Preferably, a rectangular through hole is formed in the side face of the box body, the LCD display screen is fixed in the rectangular through hole, and the LCD display screen is electrically connected with the single chip microcomputer through a wire.

Preferably, the elevating system includes motor, driving gear, driven gear, worm wheel, threaded rod, lifter, limiting plate, spacing groove and spout, motor fixed mounting is in the box bottom surface, the output and the welding of driving gear side of motor, driving gear and driven gear meshing are connected, driven gear and worm outside fixed connection, worm both ends and worm wheel meshing are connected, worm wheel and threaded rod outside fixed connection, the threaded rod both ends are connected with the inside rotation of box, threaded rod and lifter threaded connection, lifter side and limiting plate one side welding, symmetrical spacing groove is seted up to the box both sides, set up the spout on the lifter.

Preferably, the driving gear and the driven gear are conical gears, the driven gear is located at the center of the worm, an inclined plane is arranged at the top of the lifting block, the limiting plate and the limiting groove are rectangular, and the limiting plate is slidably connected with the limiting groove.

Preferably, the number of the compensation tubes is a plurality, the number of the compensation tubes is the same as that of the connecting rods, the contact pieces correspond to the charged copper sheets in position, and the fixing plate is made of insulating materials.

Preferably, the steel balls are in sliding connection with the sliding grooves, and round corners are arranged in the sliding grooves.

Preferably, the brightness adjusting mechanism comprises an adjusting lamp tube, a light sensor and a controller, wherein the adjusting lamp tube is fixedly connected with two sides of the operation box, the light sensor is fixedly installed on the upper surface of the top of the box body, the controller is arranged in the box body, and the light sensor is electrically connected with the controller through a wire.

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

1. the utility model can carry out brightness compensation on the brightness attenuation of the LCD by arranging the lifting mechanism and the brightness compensation mechanism, ensures the effect of the LCD in actual use, avoids the problems of unclear display and reduced resolution caused by the brightness attenuation of the LCD, utilizes the lifting mechanism to drive the charged copper sheet to contact with the contact sheet by the connecting plate, leads the compensation lamp to lighten to realize the brightness compensation, simultaneously can realize the multistage compensation of brightness under the cooperation of the lifting mechanism and the brightness compensation mechanism, and detects the brightness attenuation of the LCD display screen to control the corresponding quantity of the brightness compensation lamp to lighten the brightness compensation by the singlechip, thereby improving the applicability of the LCD, avoiding the waste of resources and prolonging the service life of the LCD.

2. The utility model also enables the LCD to carry out light filling in the daytime by arranging the brightness adjusting mechanism, avoids the conditions of dark display and unclear display of the LCD caused by insufficient brightness in the daytime, and simultaneously closes the adjusting lamp tube at night and in overcast and rainy weather, avoids light pollution caused by too strong brightness of the LCD, also avoids influencing living habits of surrounding residents, and improves the use satisfaction degree of the LCD display screen.

Drawings

FIG. 1 is a schematic side view of a portion of the structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the present utility model;

FIG. 4 is a schematic side view of the operation box according to the present utility model;

FIG. 5 is a schematic diagram of a lifting block according to the present utility model;

fig. 6 is a schematic diagram of a connection structure according to the present utility model.

In the figure: 1. a case; 2. an operation box; 3. an LCD display screen; 4. a single chip microcomputer; 5. a lifting mechanism; 51. a motor; 52. a drive gear; 53. a driven gear; 54. a worm; 55. a worm wheel; 56. a threaded rod; 57. a lifting block; 58. a limiting plate; 59. a limit groove; 510. a chute; 6. a brightness compensation mechanism; 61. compensating the lamp tube; 62. a contact piece; 63. a connecting rod; 64. a fixing plate; 65. a charged copper sheet; 66. a spring; 67. steel balls; 7. a white light lamp; 8. a reflection plate; 9. a brightness adjusting mechanism; 91. adjusting the lamp tube; 92. a light-sensitive sensor; 93. and a controller.

Detailed Description

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

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a can carry out luminance compensation's structure according to LCD luminance decay characteristic, which comprises a box body 1, the inside and operation box 2 side welded fastening of box 1, the inside LCD display 3 side welded fastening of operation box 2, rectangular through-hole is seted up to box 1 side, the LCD display 3 side extends to in the rectangular through-hole, the inside bolt that passes through of box 1 is connected with singlechip 4 cooperation, LCD display 3 passes through wire and singlechip 4 electric connection, the inside elevating system 5 that sets up of box 1, the inside luminance compensation mechanism 6 that is used for being connected with elevating system 5 that sets up of box 1, operation box 2 both sides and two symmetrical white light lamp 7 fixed connection, the inside and reflection plate 8 one side fixed connection of operation box 2, the inside luminance adjustment mechanism 9 that sets up of box 1.

The lifting mechanism 5 comprises a motor 51, a driving gear 52, a driven gear 53, a worm 54, a worm wheel 55, a threaded rod 56, lifting blocks 57, limiting plates 58, limiting grooves 59 and sliding grooves 510, wherein the motor 51 is fixedly arranged on the bottom surface of the box body 1, the output end of the motor 51 is welded with the side surface of the driving gear 52, the driving gear 52 is meshed with the driven gear 53, the driven gear 53 is fixedly connected with the outer side of the worm 54, two ends of the worm 54 are meshed with the worm wheel 55, the worm wheel 55 is fixedly connected with the outer side of the threaded rod 56, two ends of the threaded rod 56 are rotatably connected with the inside of the box body 1, the threaded rod 56 is in threaded connection with the lifting blocks 57, the side surface of the lifting blocks 57 is welded with one side of the limiting plates 58, symmetrical limiting grooves 59 are formed in two sides of the box body 1, sliding grooves 510 are formed in the lifting blocks 57, the driving gear 52 and the driven gear 53 are conical gears, the driven gear 53 are arranged in the center position of the worm 54, the top of the lifting blocks 57 is provided with inclined surfaces, the limiting plates 58 and the limiting grooves 59 are all rectangular in shape, the limiting plates 58 are slidably connected with the limiting grooves 59, the driving motor 51 enable the driven gear 52 to drive the driven gear 53 and the worm 54 to rotate, the driven gear 53 and the worm 59, the threaded rod 56 to rotate, the threaded rod 58, one side to be matched with the threaded rod 56, the lifting plates 55 and the side and the driving plates 58, the side 59, the side 53 and the side 53, the side 59, the 58 and the side 59 and the 58 and the side 59 and the side 53 and the side 59, and the side 53 and the side 59, and the side 59 respectively are in the side and the side respectively.

The brightness compensation mechanism 6 comprises compensation tubes 61, contact pieces 62, connecting rods 63, fixing plates 64, charged copper sheets 65, springs 66 and steel balls 67, wherein the compensation tubes 61 are fixedly connected with two sides of the operation box 2, the compensation tubes 61 are located at the center of the side face of the operation box 2, the bottoms of the compensation tubes 61 are fixedly connected with the tops of the contact pieces 62, the connecting rods 63 are movably inserted into round through holes in the side face of the operation box 2, one ends of the connecting rods 63 penetrate through the operation box 2 and are fixedly connected with the fixing plates 64, the side face of the fixing plates 64 are fixedly connected with the charged copper sheets 65, the outer sides of the connecting rods 63 are sleeved with the springs 66, the springs 66 are located between the operation box 2 and the fixing plates 64, one ends of the connecting rods 63 are fixedly connected with the steel balls 67, the number of the compensation tubes 61 is a plurality of the same as the number of the connecting rods 63, the positions of the contact pieces 62 correspond to the positions of the charged copper sheets 65, the fixing plates 64 are made of insulating materials, the steel balls 67 are in sliding connection with the sliding grooves 510, round corners are arranged inside the sliding grooves 510, the connecting rods 63 can move rightwards through the sliding of the steel balls 67 and contact the connecting rods 65 with the contact pieces 62 to the contact pieces 62, so that brightness of the connecting rods of the compensation tubes 61 can be achieved, when the copper sheets are not needed, the copper sheets are in contact with the charging copper sheets 65, and the steel sheets are separated from the sliding grooves 65, and the actual brightness compensation tubes 61 can be reset under the effect, and the effect of the fact that the brightness compensation tubes 61.

The brightness adjusting mechanism 9 comprises an adjusting lamp tube 91, a light sensor 92 and a controller 93, wherein the adjusting lamp tube 91 is fixedly connected with two sides of the operation box 2, the light sensor 92 is fixedly arranged on the upper surface of the top of the box body 1, the controller 93 is arranged in the box body 1, the light sensor 92 is electrically connected with the controller 93 through a wire, the display effect of the LCD is ensured through the detection of the intensity of light by the light sensor 92, the display of the LCD is not clear due to the fact that the light is strong in daytime, and the light pollution caused by the LCD at night is avoided.

Working principle: the light sensor 92 can detect strong light during daytime use of the LCD display screen 3, then the controller 93 is used for starting the adjusting lamp tube 91, so that the display brightness of the LCD is improved, the condition that the LCD display is unclear due to strong light during daytime is avoided, the normal use of the LCD display screen 3 is ensured, and the light sensor 92 can be used for closing the adjusting lamp tube 91 through the controller 93 when detecting weak light at night and in overcast and rainy weather; after the LCD display screen 3 is used for a long time, the singlechip 4 detects the brightness attenuation of the LCD display screen 3, then the driving motor 51 drives the driving gear 52 to rotate, the driving gear 52 drives the driven gear 53 and the worm 54 to synchronously rotate, the worm 55 and the threaded rod 56 on two sides are used for rotating by the worm 54 to further enable the lifting block 57 to move upwards, then the lifting block 57 enables the steel balls 67 to enter the inclined plane at the top of the sliding groove 510 under the limiting effect of the limiting plate 58 and the limiting groove 59, and then the connecting rod 63 moves to the right side under the limiting effect of the sliding groove 510, so that the electrified copper sheet 65 is in contact with the contact sheet 62 and lightens the compensating lamp tube 61, brightness compensation is realized, and when the singlechip 4 detects that the brightness of the LCD display screen 3 still attenuates, the lifting block 57 continues to move upwards to lighten more compensating lamp tubes 61, so that the brightness compensation effect is realized, and the problem that the service life of the LCD is reduced due to the increase of driving current is solved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure that can carry out luminance compensation according to LCD luminance decay characteristic, includes box (1), its characterized in that: the LED display device comprises a box body (1), wherein an operation box (2) is fixedly connected to the inside of the box body (1), an LCD display screen (3) is fixedly installed on the operation box (2), a single chip microcomputer (4) is fixedly installed inside the box body (1), a lifting mechanism (5) is arranged inside the box body (1), a brightness compensation mechanism (6) used for being connected with the lifting mechanism (5) is arranged inside the box body (1), symmetrical white lamps (7) are arranged on two sides of the operation box (2), one side of a reflecting plate (8) is fixedly connected to the inside of the operation box (2), and a brightness adjusting mechanism (9) is arranged inside the box body (1).

2. A structure capable of performing luminance compensation according to the luminance decay characteristic of the LCD according to claim 1, wherein: the side of the box body (1) is provided with a rectangular through hole, the LCD display screen (3) is fixed in the rectangular through hole, and the LCD display screen (3) is electrically connected with the singlechip (4) through a wire.

3. A structure capable of performing luminance compensation according to the luminance decay characteristic of the LCD according to claim 1, wherein: elevating system (5) are including motor (51), driving gear (52), driven gear (53), worm (54), worm wheel (55), threaded rod (56), lifter block (57), limiting plate (58), spacing groove (59) and spout (510), motor (51) fixed mounting is in box (1) bottom surface, the output and the welding of driving gear (52) side of motor (51), driving gear (52) are connected with driven gear (53) meshing, driven gear (53) are connected with worm (54) outside fixed connection, worm (54) both ends are connected with worm wheel (55) meshing, worm wheel (55) are connected with threaded rod (56) outside fixed connection, threaded rod (56) both ends are connected with box (1) inside rotation, threaded rod (56) and lifter block (57) threaded connection, lifter block (57) side and limiting plate (58) one side welding, symmetrical spacing groove (59) are seted up to box (1) both sides, set up spout (510) on lifter block (57).

4. A structure capable of performing luminance compensation according to the luminance degradation characteristic of an LCD according to claim 3, wherein: the driving gear (52) and the driven gear (53) are conical gears, the driven gear (53) is located at the center of the worm (54), an inclined plane is arranged at the top of the lifting block (57), the limiting plate (58) and the limiting groove (59) are rectangular, and the limiting plate (58) is slidably connected with the limiting groove (59).

5. A structure capable of performing luminance compensation according to the luminance decay characteristic of the LCD according to claim 1, wherein: the brightness compensation mechanism (6) comprises a compensation lamp tube (61), a contact piece (62), a connecting rod (63), a fixing plate (64), an electrified copper sheet (65), a spring (66) and steel balls (67), wherein the compensation lamp tube (61) is fixedly connected with two sides of an operation box (2), the compensation lamp tube (61) is located at the center of the side face of the operation box (2), the bottom of the compensation lamp tube (61) is fixedly connected with the top end of the contact piece (62), the connecting rod (63) is movably inserted into a circular through hole in the side face of the operation box (2), one end of the connecting rod (63) penetrates through the operation box (2) to be fixedly connected with the fixing plate (64), the side face of the fixing plate (64) is fixedly connected with the electrified copper sheet (65), the outer side of the connecting rod (63) is sleeved with the spring (66), the spring (66) is located between the operation box (2) and the fixing plate (64), and one end of the connecting rod (63) is fixedly connected with the steel balls (67).

6. The structure for brightness compensation according to claim 5, wherein: the number of the compensation lamp tubes (61) is a plurality, the number of the compensation lamp tubes (61) is the same as that of the connecting rods (63), the contact pieces (62) correspond to the positions of the electrified copper sheets (65), and the fixing plates (64) are made of insulating materials.

7. The structure for brightness compensation according to claim 5, wherein: the steel balls (67) are in sliding connection with the sliding grooves (510), and round corners are arranged in the sliding grooves (510).

8. A structure capable of performing luminance compensation according to the luminance decay characteristic of the LCD according to claim 1, wherein: the brightness adjusting mechanism (9) comprises an adjusting lamp tube (91), a light sensor (92) and a controller (93), wherein the adjusting lamp tube (91) is fixedly connected with two sides of the operating box (2), the light sensor (92) is fixedly arranged on the upper surface of the top of the box body (1), the controller (93) is arranged inside the box body (1), and the light sensor (92) is electrically connected with the controller (93) through a lead.