Sound-transmitting projection screen board

Abstract

The present application discloses a sound-transmitting projection screen panel, belonging to the technical field of screens. It includes a panel body, on which multiple rows of sound-transmitting hole groups are provided. Each sound-transmitting hole group has multiple sound-transmitting holes, and each sound-transmitting hole is in the shape of a waist-shaped hole. The multiple rows of sound-transmitting hole groups are arranged in parallel from top to bottom, and the sound-transmitting holes in adjacent two rows of sound-transmitting hole groups are staggered up and down. An equilateral triangle is formed between two adjacent sound-transmitting holes in each row of sound-transmitting hole groups and the sound-transmitting holes corresponding in the vertical direction in its adjacent sound-transmitting hole group. By reasonably designing the shape, size, and arrangement rules of the sound-transmitting holes, on the premise of ensuring the picture quality, the hindrance to sound transmission is further reduced, enabling the sound of the speaker to completely penetrate the projection template and realizing the perfect integration of the picture and the sound.

Description

Technical Field

[0001] This application relates to the technical field of screens, and particularly to a sound-transmitting projection screen panel. Background Art

[0002] With the continuous development of 3D projection technology, people's pursuit of the viewing effect is gradually increasing. To meet the needs of the audience and obtain a better audio-visual effect, many cinemas currently use sound-transmitting projection screens.

[0003] The sound-transmitting projection screen has multiple small holes that allow sound to penetrate the screen. The speakers are placed behind the screen, and the sound passes through these small holes, thus achieving the integration of sound and image. However, the size and number of the small holes will affect the quality of the picture. In principle, the smaller the holes, the more the resolution and contrast can be guaranteed. How to find a balance between the sound-transmitting effect and the picture quality to achieve the perfect unity of sound and picture is a technical problem that has been studied in this field. Summary of the Invention

[0004] To solve the deficiencies of the prior art, the present invention proposes an improved sound-transmitting projection screen panel. By reasonably designing the sound-transmitting holes, the sound-transmitting projection screen panel improves both the sound effect and the picture quality.

[0005] A sound-transmitting projection screen panel includes a plate body. Multiple rows of sound-transmitting hole groups are formed on the plate body. Each sound-transmitting hole group has multiple sound-transmitting holes, and each sound-transmitting hole is in the shape of a waist-shaped hole. The multiple rows of sound-transmitting hole groups are arranged in parallel from top to bottom, and the sound-transmitting holes in adjacent rows of sound-transmitting hole groups are staggered up and down. An equilateral triangle is formed between two adjacent sound-transmitting holes in each row of sound-transmitting hole groups and the sound-transmitting holes corresponding to them in the vertical direction in the adjacent sound-transmitting hole groups. The width of each sound-transmitting hole is 11 - 13 mm, the length is 15 - 17 mm, and the distance between the three sound-transmitting holes forming the equilateral triangle is 28 - 32 mm.

[0006] Further, the width of each sound-transmitting hole is 12 mm, and the length is 16 mm.

[0007] Further, the distance between the three sound-transmitting holes forming the equilateral triangle is 30 mm.

[0008] Further, the plate body is a rigid projection plate.

[0009] Further, the plate body is an aluminum plate.

[0010] The sound-transmitting projection screen panel provided by this application, by reasonably designing the shape, size, and arrangement rules of the sound-transmitting holes, further reduces the obstacle to sound transmission on the premise of ensuring the picture quality, enables the sound of the speaker to completely penetrate the projection template, and realizes the perfect integration of the picture and the sound. Description of the Drawings

[0011] Figure 1 This is a schematic structural diagram of a sound - transmitting projection screen board provided by an embodiment of the present application;

[0012] Figure 2 This is a schematic diagram of the distribution of sound - transmitting holes in a sound - transmitting projection screen board provided by an embodiment of the present application.

[0013] Wherein: 10 - board body, 20 - sound - transmitting hole group, 201 - sound - transmitting hole. Detailed Embodiment

[0014] Next, the technical solutions in the embodiments will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0015] Refer to Figure 1 , the present application provides a sound - transmitting projection screen board, which includes a board body 10. A plurality of rows of sound - transmitting hole groups 20 are provided on the board body 10, and each sound - transmitting hole group 20 is provided with a plurality of sound - transmitting holes 201, so that the sound of the speaker placed behind the sound - transmitting projection screen board can pass through the sound - transmitting holes 201 and reach the front of the sound - transmitting projection screen board, realizing the unity of sound and picture. The board body 10 is a rigid projection board, preferably an aluminum board.

[0016] Refer to Figure 2 , each sound - transmitting hole 201 is in the shape of a waist - shaped hole, its width W is 11 - 13 mm, and its length L is 15 - 17 mm. In a preferred embodiment of the present application, the width W of the sound - transmitting hole 201 is 12 mm, and the length L is 16 mm. The waist - shaped sound - transmitting hole 201 increases the sound - transmitting area, so that the sound of the speaker almost completely passes through the projection screen board, improving the speaker effect.

[0017] Refer to Figure 2 , the plurality of rows of sound - transmitting hole groups 20 are arranged in parallel from top to bottom, and the sound - transmitting holes 201 in adjacent two rows of sound - transmitting hole groups 20 are staggered up and down. The centers of three adjacent sound - transmitting holes 201, which form an equilateral triangle, between two adjacent sound - transmitting holes 201 in each row of sound - transmitting hole groups 20 and the corresponding sound - transmitting holes 201 in the vertical direction in the adjacent sound - transmitting hole group 20, have a distance D of 28 - 32 mm. In a preferred embodiment of the present application, the distance between the three sound - transmitting holes 201 forming an equilateral triangle is 30 mm. Among them, the center of the sound - transmitting hole 201 refers to the intersection of the mid - line in the length direction and the mid - line in the width direction of the sound - transmitting hole 201.

[0018] Compared with the traditional circular sound-transmitting holes, the sound-transmitting hole 201 with a kidney-shaped hole is adopted in this application, which increases the area of the hole, further reduces the obstruction of the projection screen panel to sound, and improves the sound effect. At the same time, the arrangement of the sound-transmitting holes 201 in this application does not affect the projection effect of the projection screen panel. Through a large number of tests and detections, the design of the sound-transmitting hole 201 in this application not only realizes the complete transmission of sound but also ensures the picture quality of the projection, truly achieving the perfect integration of audio and video.

[0019] After considering the specification and practicing the application disclosed herein, those skilled in the art will readily conceive of other embodiments of this application. This application is intended to cover any variations, uses, or adaptations of this application, which follow the general principles of this application and include known common knowledge or conventional technical means in the technical field not disclosed in this application. The specification and examples are only regarded as exemplary, and the true scope and spirit of this application are pointed out by the following claims.

[0020] It should be understood that this application is not limited to the precise structures already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is only limited by the appended claims.

Claims

1. A sound - transmitting projection screen board, characterized in that, it includes a board body (10), and a plurality of rows of sound - transmitting hole groups (20) are formed on the board body (10). Each sound - transmitting hole group (20) is provided with a plurality of sound - transmitting holes (201), and each sound - transmitting hole (201) is in the shape of a waist - shaped hole. The plurality of rows of sound - transmitting hole groups (20) are arranged in parallel from top to bottom, and the sound - transmitting holes (201) in adjacent two rows of sound - transmitting hole groups (20) are staggered up and down. The distance between two adjacent sound - transmitting holes (201) in each row of sound - transmitting hole groups (20) and the sound - transmitting hole (201) corresponding to it in the vertical direction in the adjacent sound - transmitting hole group (20) forms an equilateral triangle. The width of each sound - transmitting hole (201) is 11 - 13 mm, the length is 15 - 17 mm, and the distance between the three sound - transmitting holes (201) forming the equilateral triangle is 28 - 32 mm.

2. The sound - transmitting projection screen board according to claim 1, characterized in that, the width of each sound - transmitting hole (201) is 12 mm and the length is 16 mm.

3. The sound - transmitting projection screen board according to claim 1, characterized in that, the distance between the three sound - transmitting holes (201) forming the equilateral triangle is 30 mm.

4. The sound - transmitting projection screen board according to claim 1, characterized in that, the board body (10) is a rigid projection board.

5. The sound - transmitting projection screen board according to claim 4, characterized in that, the board body (10) is an aluminum board.

Images