LED dome screen based on rib plate structure

Abstract

The utility model discloses an LED dome screen based on a rib plate structure, and relates to the technical field of LED dome screens. The LED dome screen based on the rib plate structure comprises a dome screen body, and a heat dissipation mechanism is arranged in the dome screen body. The heat dissipation mechanism comprises a first triangular support, a first arc-shaped supporting plate, a second triangular support, a second arc-shaped supporting plate, balls, an inclined shaft, a heat dissipation electric fan and a double-head motor. The first triangular support is fixedly connected to the inner wall of the top of the spherical screen body, the first arc-shaped supporting plate is fixedly connected to the bottom end of the first triangular support, the second triangular support is fixedly connected to the inner wall of the bottom of the spherical screen body, the double-head motor is started to drive the transmission shaft to rotate, and the transmission shaft rotates to drive the balls to rotate. The ball rotates to drive the inclined shaft to revolve around the transmission shaft, the inclined shaft rotates to drive the two heat dissipation electric fans to rotate at the same time, uniform heat dissipation is conducted on the interior of the spherical screen body, and therefore the heat dissipation uniformity of the spherical screen body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED ball screens, in particular to an LED ball screen based on a rib plate structure. Background Art

[0002] The dome screen is an emerging display technology that breaks the limitation that the previous projected images can only be flat regular graphics. The screen of the internal projection dome screen is a spherical projection screen. The projector placed inside the dome screen projects the image onto almost the entire spherical screen. The audience can see that the entire dome screen is covered with images. The internal projection dome screen can play specially made videos as well as ordinary videos and movies.

[0003] The patent with the patent announcement number CN213601536U discloses an LED ball screen based on a rib plate structure, which belongs to the field of ball screen technology, including a ball screen body and a rib plate unit. The ball screen body includes: a ball screen frame and a plurality of rib plate base support units and a plurality of latitude keels arranged on the inner wall of the ball screen frame. The plurality of rib plate base support units are arranged longitudinally, and each rib plate unit is arranged on the rib plate base, and each rib plate unit is fixedly connected to the rib plate base. The utility model uses a 2-3mm thick single-layer ball panel to replace the spherical honeycomb panel, and uses a rib plate base support unit and a rib plate base to place the rib plate unit, replacing the platform base installed after the honeycomb panel. At the same time, the rib plate base support unit and the rib plate unit are prefabricated with a second through hole and a third through hole, respectively, so that the weight of the whole board is reduced, and the arrangement and installation of related electrical facilities such as internal pipelines and transformers of the LED screen are convenient, so that the comprehensive cost of the product is significantly reduced, and the installation and disassembly are more convenient. The above patent has the following shortcomings: although the patent is easy to install and disassemble, the existing heat dissipation is fixed and cannot evenly dissipate heat for the spherical ball screen, so its heat dissipation uniformity needs to be improved. In view of this, we propose an LED ball screen based on a rib plate structure. Utility Model Content

[0004] The purpose of the utility model is to provide an LED ball screen based on a rib plate structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An LED ball screen based on a rib structure comprises a ball screen body, wherein a heat dissipation mechanism is arranged inside the ball screen body;

[0007] The heat dissipation mechanism includes a first triangular bracket, a first arc-shaped support plate, a second triangular bracket, a second arc-shaped support plate, a ball, an inclined shaft, a heat dissipation fan, and a double-headed motor;

[0008] The first triangular bracket is fixedly connected to the top inner wall of the ball screen body, the first arc-shaped support plate is fixedly connected to the bottom end of the first triangular bracket, the second triangular bracket is fixedly connected to the bottom inner wall of the ball screen body, the second arc-shaped support plate is fixedly connected to the top end of the second triangular bracket, the ball is rotatably connected between the first arc-shaped support plate and the second arc-shaped support plate, the oblique axis passes through the ball, the number of the heat dissipation fans is two, and the two heat dissipation fans are respectively fixedly connected to the two ends of the oblique axis. The first arc-shaped support plate and the second arc-shaped support plate are provided to provide support force for the ball.

[0009] Preferably, the double-headed motor is fixedly connected to the bottom inner wall of the ball screen body, the top output end of the double-headed motor is fixedly connected to a transmission shaft, the top end of the transmission shaft rotates through the second triangular bracket and is fixedly connected to the bottom end of the ball. The second triangular bracket is provided to provide support force for the transmission shaft.

[0010] Preferably, a cleaning mechanism is provided on one side of the ball screen body, the cleaning mechanism comprises a vertical shaft, the top end of the vertical shaft is fixedly connected to the bottom output end of the double-headed motor, and the middle part of the vertical shaft rotates through the bottom outer wall of the ball screen body through a bearing. The ball screen body is provided to provide support force for the vertical shaft.

[0011] Preferably, the bottom end of the vertical shaft is fixedly connected with an arc-shaped movable plate, one side of the arc-shaped movable plate is fixedly connected with a cleaning brush, one side of the cleaning brush is slidably connected to the outer surface of the ball screen body. The movement of the cleaning brush is limited by setting the arc-shaped movable plate.

[0012] Preferably, the top of the ball screen body is fixedly connected with a vertical rod, the top of the vertical rod is fixedly connected with a mounting plate, and the top of the mounting plate is provided with mounting bolts. The device is installed on the ceiling of the venue by providing the mounting plate and the mounting bolts.

[0013] Preferably, three latitude keels are arranged inside the spherical screen body, eight warp keels are arranged inside the spherical screen body, the eight warp keels are evenly arranged in a circular sequence, and the three latitude keels are fixedly connected to the eight warp keels.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By turning on the double-headed motor to drive the transmission shaft to rotate, the rotation of the transmission shaft drives the ball to rotate, the rotation of the ball drives the inclined axis to revolve around the transmission shaft, and the rotation of the inclined axis drives the two cooling fans to rotate at the same time, and evenly dissipates the heat inside the ball curtain body, thereby improving the uniformity of the heat dissipation of the ball curtain body.

[0016] 2. When the double-headed motor is turned on, it drives the vertical axis to rotate, and the rotation of the vertical axis drives the arc-shaped movable plate to rotate. The rotation of the arc-shaped movable plate drives the cleaning brush to rotate. During the rotation of the cleaning brush, the dust on the outer surface of the ball screen body is cleaned, thereby avoiding manual cleaning and saving manpower for the venue. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is the first front cross-sectional view of the utility model;

[0019] Figure 3 It is a second front cross-sectional view of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the ball screen body area in the utility model.

[0021] In the figure: 1. ball screen body; 2. heat dissipation mechanism; 3. cleaning mechanism; 4. vertical rod; 5. mounting plate; 6. mounting bolts; 101. latitude keel; 102. warp keel; 21. first triangular bracket; 22. first arc-shaped support plate; 23. second triangular bracket; 24. second arc-shaped support plate; 25. ball bearing; 26. oblique axis; 27. heat dissipation fan; 28. double-headed motor; 31. vertical axis; 32. arc-shaped movable plate; 33. cleaning brush. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] like Figure 1-4As shown, an LED ball screen based on a rib plate structure includes a ball screen body 1, and a heat dissipation mechanism 2 is arranged inside the ball screen body 1; the heat dissipation mechanism 2 includes a first triangular bracket 21, a first arc-shaped support plate 22, a second triangular bracket 23, a second arc-shaped support plate 24, a ball 25, an inclined shaft 26, a heat dissipation fan 27, and a double-headed motor 28; the first triangular bracket 21 is fixedly connected to the top inner wall of the ball screen body 1, the first arc-shaped support plate 22 is fixedly connected to the bottom end of the first triangular bracket 21, the second triangular bracket 23 is fixedly connected to the bottom inner wall of the ball screen body 1, the second arc-shaped support plate 24 is fixedly connected to the top of the second triangular bracket 23, the ball 25 is rotatably connected between the first arc-shaped support plate 22 and the second arc-shaped support plate 24, the inclined shaft 26 runs through the ball 25, and the number of the heat dissipation fans 27 is two, and the two heat dissipation fans 27 are respectively fixedly connected to the two ends of the inclined shaft 26. The first arc-shaped support plate 22 and the second arc-shaped support plate 24 are provided to provide support force for the ball 25. The double-headed motor 28 is fixedly connected to the bottom inner wall of the ball screen body 1, and the top output end of the double-headed motor 28 is fixedly connected to a transmission shaft, and the top end of the transmission shaft rotates through the second triangular bracket 23 and is fixedly connected to the bottom end of the ball 25. The second triangular bracket 23 is provided to provide support force for the transmission shaft.

[0025] When in use, the double-headed motor 28 is turned on to drive the transmission shaft to rotate, the rotation of the transmission shaft drives the ball 25 to rotate, the rotation of the ball 25 drives the inclined shaft 26 to revolve around the transmission shaft, and the rotation of the inclined shaft 26 drives the two cooling fans 27 to rotate simultaneously, and evenly dissipate heat inside the ball screen body 1.

[0026] Embodiment 2

[0027] like Figure 1-4 As shown, a cleaning mechanism 3 is provided on one side of the ball screen body 1, and the cleaning mechanism 3 includes a vertical shaft 31, the top of the vertical shaft 31 is fixedly connected to the bottom output end of the double-headed motor 28, and the middle of the vertical shaft 31 rotates through the bottom outer wall of the ball screen body 1 through a bearing. The vertical shaft 31 is provided with a supporting force by setting the ball screen body 1. The bottom end of the vertical shaft 31 is fixedly connected to an arc-shaped movable plate 32, and a cleaning brush 33 is fixedly connected to one side of the arc-shaped movable plate 32, and one side of the cleaning brush 33 is slidably connected to the outer surface of the ball screen body 1. The movement of the cleaning brush 33 is limited by setting the arc-shaped movable plate 32.

[0028] The top of the ball screen body 1 is fixedly connected with a vertical rod 4, the top of the vertical rod 4 is fixedly connected with a mounting plate 5, and the top of the mounting plate 5 is provided with a mounting bolt 6. The device is installed on the ceiling of the venue by providing the mounting plate 5 and the mounting bolt 6. Three latitude keels 101 are provided inside the ball screen body 1, and eight warp keels 102 are provided inside the ball screen body 1. The eight warp keels 102 are evenly arranged in a circumferential sequence, and the three latitude keels 101 are fixedly connected with the eight warp keels 102.

[0029] During use, based on the first embodiment, the double-headed motor 28 is turned on and drives the vertical shaft 31 to rotate, the rotation of the vertical shaft 31 drives the arc-shaped movable plate 32 to rotate, the rotation of the arc-shaped movable plate 32 drives the cleaning brush 33 to rotate, and the dust on the outer surface of the ball screen body 1 is cleaned during the rotation of the cleaning brush 33.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An LED ball screen based on a rib structure, comprising a ball screen body (1), characterized in that: A heat dissipation mechanism (2) is provided inside the spherical screen body (1); The heat dissipation mechanism (2) comprises a first triangular bracket (21), a first arc-shaped support plate (22), a second triangular bracket (23), a second arc-shaped support plate (24), a ball bearing (25), an inclined shaft (26), a heat dissipation fan (27), and a double-headed motor (28); The first triangular bracket (21) is fixedly connected to the top inner wall of the spherical screen body (1), the first arc-shaped support plate (22) is fixedly connected to the bottom end of the first triangular bracket (21), the second triangular bracket (23) is fixedly connected to the bottom inner wall of the spherical screen body (1), the second arc-shaped support plate (24) is fixedly connected to the top end of the second triangular bracket (23), the ball (25) is rotatably connected between the first arc-shaped support plate (22) and the second arc-shaped support plate (24), the inclined shaft (26) passes through the ball (25), and the number of the heat dissipation fans (27) is two, and the two heat dissipation fans (27) are respectively fixedly connected to the two ends of the inclined shaft (26).

2. The LED ball screen based on the rib structure according to claim 1, characterized in that: The double-headed motor (28) is fixedly connected to the bottom inner wall of the ball screen body (1), and the top output end of the double-headed motor (28) is fixedly connected to a transmission shaft, and the top end of the transmission shaft rotates through the second triangular bracket (23) and is fixedly connected to the bottom end of the ball (25).

3. The LED ball screen based on the rib structure according to claim 2, characterized in that: A cleaning mechanism (3) is provided on one side of the ball screen body (1), and the cleaning mechanism (3) comprises a vertical shaft (31), the top end of the vertical shaft (31) is fixedly connected to the bottom output end of the double-headed motor (28), and the middle part of the vertical shaft (31) rotates through the bottom outer wall of the ball screen body (1) through a bearing.

4. The LED ball screen based on the rib structure according to claim 3 is characterized by: The bottom end of the vertical shaft (31) is fixedly connected to an arc-shaped movable plate (32), one side of the arc-shaped movable plate (32) is fixedly connected to a cleaning brush (33), and one side of the cleaning brush (33) is slidably connected to the outer surface of the ball screen body (1).

5. The LED ball screen based on the rib structure according to claim 4, characterized in that: The top of the ball screen body (1) is fixedly connected to a vertical rod (4), the top of the vertical rod (4) is fixedly connected to a mounting plate (5), and the top of the mounting plate (5) is provided with a mounting bolt (6).

6. The LED ball screen based on the rib structure according to claim 5, characterized in that: Three latitude keels (101) are arranged inside the spherical screen body (1), and eight warp keels (102) are arranged inside the spherical screen body (1). The eight warp keels (102) are evenly arranged in a circular sequence, and the three latitude keels (101) are fixedly connected to the eight warp keels (102).

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