CN216249818U - Outdoor high-brightness liquid crystal spliced screen - Google Patents
Outdoor high-brightness liquid crystal spliced screen Download PDFInfo
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- CN216249818U CN216249818U CN202122827388.0U CN202122827388U CN216249818U CN 216249818 U CN216249818 U CN 216249818U CN 202122827388 U CN202122827388 U CN 202122827388U CN 216249818 U CN216249818 U CN 216249818U
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Abstract
The utility model relates to the technical field of outdoor liquid crystal display equipment, in particular to an outdoor high-brightness liquid crystal spliced screen, wherein a lifting adjusting mechanism is arranged in a protective box, two ends of the lifting adjusting mechanism are fixedly connected with transversely arranged lifting plates, an opening corresponding to the lifting plates is formed in the upper side of the protective box, the lifting plates are positioned in the opening, the lower end of a liquid crystal spliced screen body is fixedly connected with the upper side of the lifting plates, heat dissipation mechanisms are arranged on two sides of the protective box, and cold air holes which are uniformly arranged are formed in the upper side of the protective box. According to the liquid crystal splicing screen body, the heat dissipation mechanism is arranged, cold air is discharged from the cold air hole and blown onto the liquid crystal splicing screen body, the heat dissipation performance of the liquid crystal splicing screen body can be improved, the lifting adjusting mechanism is arranged, the liquid crystal splicing screen body can be completely contained in the protective box, the external protection effect is achieved, the influence of external severe weather is prevented, and the service life of the liquid crystal splicing screen body is prolonged.
Description
Technical Field
The utility model relates to the technical field of outdoor liquid crystal display equipment, in particular to an outdoor high-brightness liquid crystal spliced screen.
Background
The liquid crystal splicing screen is formed by splicing a plurality of small liquid crystal screens, compared with a common screen, the splicing type liquid crystal splicing screen has the characteristic of splicing, the size can be changed according to the requirements of different users, the liquid crystal splicing screen can be used as a display independently and can be spliced into an oversized screen for use, so the splicing type liquid crystal splicing screen is popular with consumers, the high-brightness liquid crystal display screen enhances the readability of the liquid crystal screen in the sun by changing the backlight brightness, and the splicing type liquid crystal display screen is widely used for outdoor advertising machines, outdoor charging piles, outdoor automobile barriers and other outdoor displays.
In a chinese patent liquid crystal concatenation screen (CN205645149U), the device initiative heat abstractor adopts forced convection heat transfer, and the radiating rate is fast, and the performance is good, improves liquid crystal concatenation screen job stabilization nature, extension liquid crystal concatenation screen life, however, the device is when meetting bad extreme weather and not using, and the liquid crystal concatenation screen still can only expose in the external world, can't accomodate the protection to the protect function of liquid crystal concatenation screen is more weak, influences the life of liquid crystal concatenation screen. Therefore, the technical personnel in the field provide an outdoor high-brightness liquid crystal splicing screen to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an outdoor high-brightness liquid crystal spliced screen to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an outdoor high-brightness liquid crystal splicing screen comprises a protection box and a liquid crystal splicing screen body, wherein a lifting adjusting mechanism is arranged in the protection box, two ends of the lifting adjusting mechanism are fixedly connected with lifting plates which are transversely arranged, the upper side of the protection box is provided with openings which are arranged corresponding to the lifting plates, the lifting plates are positioned in the openings, the lower end of the liquid crystal splicing screen body is fixedly connected with the upper side of the lifting plates, two sides of the protection box are respectively provided with a heat dissipation mechanism, the upper side of the protection box is provided with cold air holes which are uniformly arranged, one side of the protection box is fixedly connected with a PLC (programmable logic controller), and the input ends of the lifting adjusting mechanism and the heat dissipation mechanism are respectively and electrically connected with the PLC;
the lifting adjusting mechanism comprises a stepping motor fixed at the lower part of the front side of the protection box, a driving shaft is fixedly connected with the driving end of the stepping motor, one end of the driving shaft penetrates and extends into the protection box and is fixedly connected with a first bevel gear, two fixing sleeves are fixedly connected with the inner wall of the lower end of the protection box and are respectively positioned at two sides of the first bevel gear in a symmetrical mode, two rotating rods which are transversely and symmetrically arranged are respectively rotatably connected on the two fixing sleeves, two second bevel gears which are meshed and connected with two sides of the first bevel gear are respectively fixedly connected at the close ends of the two rotating rods, a third bevel gear is fixedly connected at the far end of the two rotating rods, two vertically arranged lead screws are respectively rotatably connected at two ends of the protection box through four bearing seats, and the two lead screws are respectively positioned at two sides of an opening in a symmetrical mode, the two lead screws are respectively fixedly connected with two fourth bevel gears meshed and connected with the two third bevel gears, the lead screws are in threaded connection with nut blocks, one sides of the nut blocks are fixedly connected with L-shaped rods, and one ends, far away from the nut blocks, of the L-shaped rods are fixedly connected with the lifting plate.
As a still further scheme of the utility model: the heat dissipation mechanism comprises an air box communicated with the protection box, an electric heat dissipation fan is fixedly connected in the air box, and an L-shaped air inlet pipe is communicated with one side of the air box, which is far away from the protection box.
As a still further scheme of the utility model: and a dust filtering net is fixedly connected to the inner wall of one end, far away from the air box, of the L-shaped air inlet pipe.
As a still further scheme of the utility model: the inner wall of the through hole of the fixed sleeve is rotatably connected with the outer side wall of the rotating rod through a bearing piece.
As a still further scheme of the utility model: and the outer side wall of the screw rod is fixedly connected with the inner wall of the through hole of the fourth bevel gear in a welding mode.
As a still further scheme of the utility model: the upper end fixedly connected with of LCD concatenation screen body seals the apron, and seals the apron area and be greater than open-ended area.
As a still further scheme of the utility model: the bottom of the protection box is fixedly connected with a concave underframe, and the side wall of the transverse straight end of the concave underframe is provided with a mounting hole.
Compared with the prior art, the utility model has the beneficial effects that:
1. through setting up heat dissipation mechanism and cold wind hole, start two electricity heat dissipation fan synchronous workings, in external cold wind was in the protection box by L shape air-supply line through bellows leading-in, discharged by the cold wind hole again, blow on the LCD concatenation screen body, can improve the thermal diffusivity to the LCD concatenation screen body.
2. Through setting up lifting adjusting mechanism, start step motor work and drive the drive shaft and rotate, and then drive first bevel gear and rotate, because first bevel gear meshes with two second bevel gears respectively, and then drive two bull sticks synchronous rotation, and then drive third bevel gear and rotate, because third bevel gear meshes with fourth bevel gear, and then drive two lead screw synchronous rotations, at this moment, two nut pieces force to move down, and then drive the liquid crystal concatenation screen body fixed with the lifter plate and move down to the protective housing, until sealed apron supports tightly with the protective housing upside, can accomodate the liquid crystal concatenation screen body in the protective housing completely, thereby play the external guard action to the liquid crystal concatenation screen body, prevent to receive the influence of external bad weather, the life of extension liquid crystal concatenation screen body.
Drawings
FIG. 1 is a schematic perspective view of an outdoor high-brightness liquid crystal splicing screen;
FIG. 2 is a schematic view of a front cross-sectional structure of an outdoor high-brightness liquid crystal splicing screen;
fig. 3 is an enlarged schematic structural diagram of a portion a of fig. 2 in an outdoor high-brightness liquid crystal splicing screen.
In the figure: 1. a protection box; 2. the liquid crystal splicing screen body; 3. a lifting plate; 4. a cold air hole; 5. a PLC controller; 6. a stepping motor; 7. a drive shaft; 8. a first bevel gear; 9. fixing a sleeve; 10. a rotating rod; 11. a second bevel gear; 12. a third bevel gear; 13. a screw rod; 14. a fourth bevel gear; 15. a nut block; 16. an L-shaped rod; 17. an air box; 18. an electric heat dissipation fan; 19. an L-shaped air inlet pipe; 20. a dust filter screen; 21. sealing the cover plate; 22. a concave chassis.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the utility model, an outdoor high-brightness liquid crystal spliced screen comprises a protection box 1 and a liquid crystal spliced screen body 2, wherein a lifting adjusting mechanism is arranged in the protection box 1, two ends of the lifting adjusting mechanism are fixedly connected with lifting plates 3 which are transversely arranged, an opening which is arranged corresponding to the lifting plates 3 is formed in the upper side of the protection box 1, the lifting plates 3 are positioned in the opening, the lower end of the liquid crystal spliced screen body 2 is fixedly connected with the upper side of the lifting plates 3, heat dissipation mechanisms are arranged on two sides of the protection box 1, cold air holes 4 which are uniformly arranged are formed in the upper side of the protection box 1, a PLC controller 5 is fixedly connected to one side of the protection box 1, and input ends of the lifting adjusting mechanism and the heat dissipation mechanisms are respectively and electrically connected with the PLC controller 5, so that the control is convenient and the prior art is provided;
the lifting adjusting mechanism comprises a stepping motor 6 fixed at the lower part of the front side of the protection box 1, a driving shaft 7 is fixedly connected to the driving end of the stepping motor 6, one end of the driving shaft 7 penetrates and extends into the protection box 1 and is fixedly connected with a first bevel gear 8, two fixing sleeves 9 are fixedly connected to the inner wall of the lower end of the protection box 1, the two fixing sleeves 9 are respectively positioned at two sides of the first bevel gear 8 and are symmetrically arranged, two rotating rods 10 which are transversely and symmetrically arranged are respectively rotatably connected to the two fixing sleeves 9, two second bevel gears 11 which are meshed and connected with two sides of the first bevel gear 8 are respectively fixedly connected to the close ends of the two rotating rods 10, a third bevel gear 12 is respectively fixedly connected to the far end of the two rotating rods 10, two vertically arranged lead screws 13 are respectively rotatably connected to two ends of the protection box 1 through four bearing seats, and the two lead screws 13 are respectively positioned at two sides of an opening and are symmetrically arranged, two fourth bevel gears 14 meshed with the two third bevel gears 12 are fixedly connected to the two lead screws 13 respectively, a nut block 15 is connected to the lead screws 13 in a threaded manner, an L-shaped rod 16 is fixedly connected to one side of the nut block 15, one end of the L-shaped rod 16, which is far away from the nut block 15, is fixedly connected to the lifting plate 3, the stepping motor 6 is started to work to drive the driving shaft 7 to rotate and further drive the first bevel gear 8 to rotate, the first bevel gear 8 is meshed with the two second bevel gears 11 respectively and further drive the two rotating rods 10 to synchronously rotate and further drive the third bevel gear 12 to rotate, the third bevel gear 12 is meshed with the fourth bevel gear 14 and further drive the two lead screws 13 to synchronously rotate, the lead screws 13 are in threaded connection with the nut block 15, and the axial rotation of the nut block 15 is limited by the lifting plate 3 along with the L-shaped rod 16, so that the two nut blocks 15 are forcedly moved downwards, the liquid crystal splicing screen body 2 fixed with the lifting plate 3 is driven to move downwards into the protection box 1 until the sealing cover plate 21 is abutted against the upper side of the protection box 1, and the liquid crystal splicing screen body 2 can be completely accommodated in the protection box 1, so that the external protection effect on the liquid crystal splicing screen body 2 is achieved, the influence of external severe weather is prevented, and the service life of the liquid crystal splicing screen body 2 is prolonged;
in fig. 2: the heat dissipation mechanism comprises an air box 17 communicated with the protection box 1, electric heat dissipation fans 18 are fixedly connected in the air box 17, an L-shaped air inlet pipe 19 is communicated with one side of the air box 17 away from the protection box 1, the two electric heat dissipation fans 18 are started to work synchronously, external cold air is guided into the protection box 1 through the air box 17 by the L-shaped air inlet pipe 19 and then is discharged from the cold air hole 4 to be blown onto the liquid crystal splicing screen body 2, and the heat dissipation performance of the liquid crystal splicing screen body 2 can be improved;
in fig. 2: the inner wall of one end of the L-shaped air inlet pipe 19, which is far away from the air box 17, is fixedly connected with a dust filter screen 20, so that the dustproof effect is achieved;
in fig. 3: the inner wall of the through hole of the fixed sleeve 9 is rotationally connected with the outer side wall of the rotating rod 10 through a bearing piece, and the rotating rod 10 can be supported and stabilized to rotate;
in fig. 3: the outer side wall of the screw rod 13 is fixedly connected with the inner wall of a through hole of the fourth bevel gear 14 in a welding mode, and the connection is firm;
in fig. 1: the upper end of the liquid crystal splicing screen body 2 is fixedly connected with a sealing cover plate 21, and the area of the sealing cover plate 21 is larger than that of the opening, so that the sealing property is improved;
in fig. 1: the bottom of the protection box 1 is fixedly connected with a concave underframe 22, and the lateral wall of the horizontal straight end of the concave underframe 22 is provided with a mounting hole for mounting the protection box 1.
The working principle of the utility model is as follows: when the liquid crystal splicing screen body 2 generates heat during working, the two electric heat dissipation fans 18 are started to work synchronously, external cold air is guided into the protective box 1 through the air box 17 by the L-shaped air inlet pipe 19 and then is discharged from the cold air holes 4 to be blown onto the liquid crystal splicing screen body 2, and the heat dissipation performance of the liquid crystal splicing screen body 2 can be improved;
when the weather is bad and the liquid crystal splicing screen body 2 needs to be stored, the stepping motor 6 is started to work to drive the driving shaft 7 to rotate, so as to drive the first bevel gear 8 to rotate, the first bevel gear 8 is respectively meshed with the two second bevel gears 11, so as to drive the two rotating rods 10 to synchronously rotate, so as to drive the third bevel gear 12 to rotate, the third bevel gear 12 is meshed with the fourth bevel gear 14, so as to drive the two screw rods 13 to synchronously rotate, because the screw rods 13 are in threaded connection with the nut blocks 15, and the axial rotation of the nut blocks 15 is limited by the lifting plate 3 along with the L-shaped rods 16, so that the two nut blocks 15 are forced to move downwards, so as to drive the liquid crystal splicing screen body 2 fixed with the lifting plate 3 to move downwards into the protection box 1 until the sealing cover plate 21 is tightly abutted against the upper side of the protection box 1, so as to completely store the liquid crystal splicing screen body 2 in the protection box 1, thereby playing an external protection role on the liquid crystal splicing screen body 2, the influence of external severe weather is prevented, and the service life of the liquid crystal splicing screen body 2 is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. An outdoor high-brightness liquid crystal splicing screen comprises a protective box (1) and a liquid crystal splicing screen body (2), it is characterized in that a lifting adjusting mechanism is arranged in the protection box (1), and two ends of the lifting adjusting mechanism are fixedly connected with a lifting plate (3) which is transversely arranged, the upper side of the protection box (1) is provided with an opening which is arranged corresponding to the lifting plate (3), the lifting plate (3) is positioned in the opening, the lower end of the liquid crystal splicing screen body (2) is fixedly connected with the upper side of the lifting plate (3), the two sides of the protection box (1) are respectively provided with a heat dissipation mechanism, and the upper side of the protective box (1) is provided with cold air holes (4) which are uniformly arranged, one side of the protection box (1) is fixedly connected with a PLC (programmable logic controller) (5), the input ends of the lifting adjusting mechanism and the heat dissipation mechanism are respectively electrically connected with the PLC (5);
the lifting adjusting mechanism comprises a stepping motor (6) fixed on the lower portion of the front side of a protection box (1), a driving shaft (7) is fixedly connected to a driving end of the stepping motor (6), one end of the driving shaft (7) penetrates through the protection box (1) and is fixedly connected with a first bevel gear (8), two fixing sleeves (9) are fixedly connected to the inner wall of the lower end of the protection box (1), the two fixing sleeves (9) are respectively positioned on two sides of the first bevel gear (8) and are symmetrically arranged, two rotating rods (10) which are transversely and symmetrically arranged are respectively rotatably connected to the two fixing sleeves (9), two second bevel gears (11) which are meshed with two sides of the first bevel gear (8) are respectively and fixedly connected to one ends, close to the two rotating rods (10), of the two ends, far away from the rotating rods (10), are fixedly connected with a third bevel gear (12), the two ends of the protection box (1) are respectively and rotatably connected with two vertically arranged screw rods (13) through four bearing seats, the two screw rods (13) are respectively located in two sides of the opening and symmetrically arranged, the two screw rods (13) are respectively and fixedly connected with two fourth bevel gears (14) meshed and connected with the two third bevel gears (12), the screw rods (13) are respectively and fixedly connected with nut blocks (15), one side of each nut block (15) is fixedly connected with an L-shaped rod (16), and one ends of the L-shaped rods (16) far away from the nut blocks (15) are fixedly connected with the lifting plate (3).
2. The outdoor high-brightness liquid crystal splicing screen according to claim 1, wherein the heat dissipation mechanism comprises an air box (17) communicated with the protection box (1), an electric heat dissipation fan (18) is fixedly connected in the air box (17), and an L-shaped air inlet pipe (19) is communicated with one side of the air box (17) far away from the protection box (1).
3. The outdoor high-brightness liquid crystal splicing screen according to claim 2, characterized in that a dust filter screen (20) is fixedly connected to the inner wall of one end of the L-shaped air inlet pipe (19) far away from the air box (17).
4. The outdoor high-brightness liquid crystal splicing screen as claimed in claim 1, wherein the inner wall of the through hole of the fixing sleeve (9) is rotatably connected with the outer side wall of the rotating rod (10) through a bearing member.
5. The outdoor high-brightness liquid crystal splicing screen according to claim 1, wherein the outer side wall of the screw rod (13) is fixedly connected with the inner wall of the through hole of the fourth bevel gear (14) in a welding manner.
6. The outdoor high-brightness liquid crystal splicing screen according to claim 1, wherein a sealing cover plate (21) is fixedly connected to the upper end of the liquid crystal splicing screen body (2), and the area of the sealing cover plate (21) is larger than that of the opening.
7. The outdoor high-brightness liquid crystal splicing screen according to claim 1, characterized in that a concave bottom frame (22) is fixedly connected to the bottom of the protection box (1), and a mounting hole is formed in the side wall of the horizontal straight end of the concave bottom frame (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122827388.0U CN216249818U (en) | 2021-11-18 | 2021-11-18 | Outdoor high-brightness liquid crystal spliced screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122827388.0U CN216249818U (en) | 2021-11-18 | 2021-11-18 | Outdoor high-brightness liquid crystal spliced screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216249818U true CN216249818U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122827388.0U Active CN216249818U (en) | 2021-11-18 | 2021-11-18 | Outdoor high-brightness liquid crystal spliced screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216249818U (en) |
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2021
- 2021-11-18 CN CN202122827388.0U patent/CN216249818U/en active Active
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