Light-emitting diode (LED) cinema sound transmission screen

Abstract

The utility model provides an LED cinema sound transmission screen which comprises a first LED display unit, a second LED display unit fixedly spliced on one side of the first LED display unit, a frame arranged on the outer side of the first LED display unit and the outer side of the second LED display unit, and a power supply box fixed on one side of a central axis (4) of the frame in an offset mode. The length of the first LED display unit is the same as that of the second LED display unit, and the width of the first LED display unit is larger than that of the second LED display unit; the first LED display unit and the second LED display unit are spliced and connected along the length direction; the first LED display unit and the second LED display unit are spliced to form a front end face and a rear end face of the sound transmission screen; the power box is arranged on the rear end face side. The sound equipment is placed between the two power supply boxes, and the power supply boxes do not affect the sound effect, so that the sound transmission effect of the LED box body is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field, concretely relates to a LED cinema sound transmission screen. BACKGROUND

[0002] LED display screen can realize high resolution easily, is applied to cinema, and is expected to become the development trend of future cinema. The super large LED display screen is usually formed by assembling several box bodies, which is different from the traditional projection screen cloth. The structural characteristics of the LED display screen lead to its large thickness and complex peripheral circuit congenital defects, so that its sound transmission effect is not ideal, and it always cannot reach the sound attenuation performance of the traditional projection screen cloth.

[0003] In summary, the prior art has the following problems: the sound transmission effect of the existing LED display screen is not ideal, and the sound playing effect is poor. UTILITY MODEL CONTENT

[0004] The utility model provides a LED cinema sound transmission screen, solve the technical problem that the sound transmission effect of the existing LED display screen is not ideal, and the sound playing effect is poor.

[0005] To achieve the above object, the utility model provides a LED cinema sound transmission screen, which comprises:

[0006] The first LED display unit, the second LED display unit fixedly spliced on one side of the first LED display unit, the frame provided outside the first LED display unit and the second LED display unit and the power box fixedly offset on one side of the central axis of the frame;

[0007] The height of the first LED display unit and the second LED display unit is same, the width of the first LED display unit is greater than the width of the second LED display unit, and the asymmetric structural characteristics are presented;The first LED display unit and the second LED display unit are spliced together along the width direction;

[0008] The outside of the first LED display unit and the second LED display unit is provided with a unit support frame;

[0009] The frame is fixedly surrounded at the outer edge of the first LED display unit and the second LED display unit;

[0010] The first LED display unit and the second LED display unit form the front end face and the rear end face of the sound transmission screen after splicing;The power box is arranged on the rear end face side;

[0011] The unit support frame comprises a longitudinal beam for supporting the lamp plate, and the longitudinal beam is fixedly connected to the inner wall of the unit support frame.

[0012] The longitudinal beam has a cavity inside, and the cavity is filled with sound-absorbing medium.

[0013] Specifically, the frame side is externally provided with a splicing lug for connecting and fixing the frames.

[0014] Specifically, the width of the first LED display unit is 1.5-4 times the width of the second LED display unit.

[0015] Specifically, the power box is connected with the first LED display unit and the second LED display unit by a line.

[0016] Specifically, the power box is a cuboid, and the power box is connected with a control system.

[0017] Specifically, the first LED display unit and the second LED display unit are provided with through holes and LED lamp beads, the through holes are uniformly and intervally distributed between the LED lamp beads, and the through holes are horizontally or vertically arranged.

[0018] Specifically, the frame is connected with the first LED display unit and the second LED display unit by magnetic attraction and bolts.

[0019] Specifically, the frame is provided with a crossbeam for supporting the first LED display unit and the second LED display unit.

[0020] Specifically, the crossbeam is inclined, and the side of the crossbeam has a certain angle with the horizontal plane.

[0021] Specifically, the two power boxes of the spliced cinema sound-transparent screen formed by splicing two LED cinema sound-transparent screens have a spacing capable of accommodating a sound equipment.

[0022] The beneficial technical effects of the above technical solution are that the LED display unit of the cinema sound-transparent screen is of an asymmetric structure, the power box is offset to one side of the central axis of the frame, when two frames are spliced left and right, the sound equipment is placed between the two power boxes, the power box does not affect the sound effect, and the sound-transparent effect of the LED box is better. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of an LED cinema sound-transparent screen according to an embodiment of the present application;

[0024] Figure 2 is a structural schematic view of the back of an LED cinema sound-transparent screen according to an embodiment of the present application;

[0025] Figure 3Structure schematic diagram of back surface of two LED cinema sound-transmitting screens after splicing of the embodiment of the utility model;

[0026] Figure 4 Structure schematic diagram of back surface of two LED cinema sound-transmitting screens after splicing of the embodiment of the utility model;

[0027] Figure 5 Structure schematic diagram of back surface of two LED cinema sound-transmitting screens after splicing of the embodiment of the utility model;

[0028] Figure 6 Structure schematic diagram of LED display unit of the embodiment of the utility model;

[0029] Figure 7 Structure schematic diagram of the first kind of implementation of LED cinema sound-transmitting screen of the embodiment of the utility model;

[0030] Figure 8 Structure schematic diagram of side surface of LED cinema sound-transmitting screen of the embodiment of the utility model;

[0031] Figure 9 Structure schematic diagram of Figure 6 Local enlarged view of B in Fig.

[0032] Explanation of reference numerals:

[0033] 1, first LED display unit; 2, second LED display unit; 3, frame; 4, central axis; 5, power supply box; 7, longitudinal beam; 8, sound-absorbing medium; 9, through hole; 10, LED lamp bead; 11, cross beam; 13, sound equipment; 14, spliced cinema sound-transmitting screen; 15, unit support frame. Specific implementation

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] The embodiment of the utility model provides a kind of LED cinema sound-transmitting screen, such as Figure 1As shown, it includes: a first LED display unit 1, a second LED display unit 2 fixedly spliced ​​to one side of the first LED display unit 1, a frame 3 disposed outside the first LED display unit 1 and the second LED display unit 2, and a power supply box 5 offset and fixed to one side of the central axis (4)6 of the frame 3; for example, the first LED display unit 1 is disposed on the right side, and the second LED display unit 2 is spliced ​​on the left side to form an asymmetrical screen. The LED display units are set to an asymmetrical structure, and the pixels of the left and right LED display units are inconsistent.

[0036] like Figure 4 As shown, the LED display unit is set as an asymmetrical structure, and the socket positions of the LED display units are different. This allows the power box to be offset to one side relative to the central axis 4 of the frame 3. When the two frames 3 are spliced ​​together, the audio equipment 13 can be placed between the two power boxes without affecting the audio. This allows the sound transmission effect of the LED cabinet to be better.

[0037] The first LED display unit 1 and the second LED display unit 2 have the same length, and the width of the first LED display unit 1 is greater than the width of the second LED display unit 2. The first LED display unit 1 and the second LED display unit 2 are spliced ​​together along the length direction. The width of the first LED display unit 1 is 1.5 to 4 times the width of the second LED display unit 2. For example, the size of the second LED display unit 2 is 320mm*320mm. The size of the first LED display unit 1 is 640mm*320mm.

[0038] A unit support frame 15 is provided on the outer side of the first LED display unit 1 and the second LED display unit 2; the unit support frame 15 includes a longitudinal beam 7 for supporting the lamp panel, the longitudinal beam 7 is fixedly connected to the inner wall of the unit support frame 15; the longitudinal beam 7 has a cavity inside, and the cavity is filled with a sound-absorbing medium 8.

[0039] The first LED display unit 1 and the second LED display unit 2 are provided with through holes 9 and LED beads 10. The through holes 9 are evenly distributed between the LED beads 10 and are arranged in a horizontal or vertical pattern.

[0040] The frame 3 surrounds and is fixed to the outer edges of the first LED display unit 1 and the second LED display unit 2; the frame 3 is connected to the first LED display unit 1 and the second LED display unit 2 by magnetic attraction and bolts.

[0041] The first LED display unit 1 and the second LED display unit 2 are spliced ​​together to form the front and rear surfaces of the acoustically transparent screen; for example...Figure 2 As shown in the drawings, the power box 5 is arranged at the rear end face side. The power box 5 is asymmetrically biased on one side of the central axis 4 of the frame 3 to maximize the avoidance of the sound emitting area of the sound equipment.

[0042] As shown in the drawings, the frame 3 is provided with a crossbeam 11 for supporting the first LED display unit 1 and the second LED display unit 2, and the side of the crossbeam 11 is inclined and has a certain angle with the horizontal plane. Preferably, the crossbeam 11 has a trapezoidal cross section, which can reduce the vertical reflection echo of the frame back to the sound emitting area of the sound equipment. Figure 5 As shown in the drawings, the frame 3 is provided with a crossbeam 11 for supporting the first LED display unit 1 and the second LED display unit 2, and the side of the crossbeam 11 is inclined and has a certain angle with the horizontal plane. Preferably, the crossbeam 11 has a trapezoidal cross section, which can reduce the vertical reflection echo of the frame back to the sound emitting area of the sound equipment. Figure 3 As shown in the drawings, the frame 3 is provided with a crossbeam 11 for supporting the first LED display unit 1 and the second LED display unit 2, and the side of the crossbeam 11 is inclined and has a certain angle with the horizontal plane. Preferably, the crossbeam 11 has a trapezoidal cross section, which can reduce the vertical reflection echo of the frame back to the sound emitting area of the sound equipment.

[0043] The first LED display unit 1 and the second LED display unit 2 each comprise an LED display module, a power supply assembly, an LED box and an LED receiving accessory.

[0044] The LED display module is arranged on the LED box, and the power supply assembly is mounted on the rear surface of the LED box.

[0045] The power box 5 is connected with the first LED display unit 1 and the second LED display unit 2 by a line. The power box 5 is a cuboid, and the power box 5 is connected with the control system.

[0046] Each LED display unit comprises a PCB board with perforations and uniformly distributed LED lamp beads; the sound-transmitting screen further comprises a lamp bead cover arranged on the front end face, which covers the LED lamp beads of the first LED display unit 1 and the second LED display unit 2. The surface of the lamp bead cover is sawtooth-shaped, which promotes the absorption of the reflected echo by the cover. The lamp bead cover is provided with a through hole, which is in the shape of a forward horn, thereby improving the diffusion of the sound after passing through the PCB opening.

[0047] The spacing between the two power boxes 5 of the spliced cinema sound-transmitting screen 14 spliced by two LED cinema sound-transmitting screens can accommodate the sound equipment 13.

[0048] The utility model has the following beneficial effects:

[0049] The LED display unit of the cinema sound-transmitting screen is of an asymmetric structure, so that the power box is biased on one side of the central axis (4) of the frame, when two frames are spliced left and right, the sound equipment (mainstream sound equipment) is placed between the two power boxes, the power box does not affect the sound effect, and the sound-transmitting effect of the LED box is better. In addition, the cross section of the longitudinal beam of the box frame is trapezoidal, which reduces the reflected echo and improves the sound-transmitting effect of the LED box.

[0050] The above merely illustrates the specific implementation of the present application, and is not used to limit the scope of the present application. The various components of the present application can be combined with each other under the condition of no conflict, and any equivalent changes and modifications made by any person skilled in the art without departing from the concept and principle of the present application shall belong to the protection scope of the present application.

Claims

1. A LED cinema transparent screen, characterized in that, The utility model relates to a LED cinema sound screen, which comprises a first LED display unit (1), a second LED display unit (2) fixedly spliced on one side of the first LED display unit (1), a frame (3) arranged outside the first LED display unit (1) and the second LED display unit (2), and a power box (5) fixedly arranged on one side of the central axis (4) of the frame (3). The first LED display unit (1) and the second LED display unit (2) have the same height, the width of the first LED display unit (1) is greater than the width of the second LED display unit (2), and the first LED display unit (1) and the second LED display unit (2) have an asymmetric structure. The first LED display unit (1) and the second LED display unit (2) are spliced together along the width direction. Unit support frames (15) are arranged outside the first LED display unit (1) and the second LED display unit (2). The frame (3) surrounds the outer edges of the first LED display unit (1) and the second LED display unit (2). The first LED display unit (1) and the second LED display unit (2) form front and rear end faces of a sound screen after being spliced together, and the power box (5) is arranged on the side of the rear end face. The unit support frames (15) comprise longitudinal beams (7) for supporting lamp panels, and the longitudinal beams (7) are fixedly connected to the inner walls of the unit support frames (15). The longitudinal beams (7) have cavities inside, and the cavities are filled with sound-absorbing medium (8). Splicing ears are arranged outside the sides of the frame (3), and the splicing ears are used for connecting and fixing the frame (3).

2. A LED cinema transparent screen according to claim 1, wherein, The width of the first LED display unit (1) is 1.5-4 times the width of the second LED display unit (2).

3. A LED cinema transparent screen according to claim 1, wherein, The power box (5) is connected with the first LED display unit (1) and the second LED display unit (2) by wires.

4. A LED cinema transparent screen according to claim 1, wherein, The power box (5) is a cuboid, and the power box (5) is connected with a control system.

5. A LED cinema transparent screen according to claim 1, wherein, Through holes (9) and LED lamp beads (10) are arranged on the first LED display unit (1) and the second LED display unit (2), the through holes (9) are uniformly and intervally arranged between the LED lamp beads (10), and the through holes (9) are arranged in a horizontal and vertical arrangement mode.

6. A LED cinema transparent screen according to claim 1, wherein, The frame (3) is connected with the first LED display unit (1) and the second LED display unit (2) by magnetic attraction and bolts.

7. A translucent sound screen for an LED theater according to claim 1, wherein, A cross beam (11) for supporting the first LED display unit (1) and the second LED display unit (2) is arranged in the middle of the frame (3).

8. A translucent sound screen for an LED theater according to claim 1, wherein, The side of the cross beam (11) is inclined, and the side has a certain angle with a horizontal plane.

9. A LED cinema transparent screen according to claim 8, wherein, A spliced cinema sound screen (14) is spliced by two LED cinema sound screens, and the distance between the two power boxes (5) can accommodate a sound equipment (13).

10. A LED cinema transparent screen according to claim 8, wherein, ​

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