Multimedia platform with holographic projection function

Abstract

The utility model relates to a multimedia platform with a holographic projection function, and belongs to the field of multimedia teaching equipment. The problems that in the prior art, the overall structure is relatively complex, and the occupied internal space of a table body is large are solved. Comprising a table body, a table top and a multimedia assembly, and the multimedia assembly is installed on the table top; the multimedia assembly comprises a first frame, a second frame and a bottom plate, and the first frame is hinged to the second frame; an electronic screen is installed in the first frame, and a projection screen is installed in the second frame. The second frame is hinged to the bottom plate; and the bottom plate is mounted on the table top. According to the utility model, the holographic projection function can be realized by rotating the angles among the first frame, the second frame and the bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of multimedia teaching equipment, in particular to a multimedia podium with a holographic projection function. Background Art

[0002] Holographic projection technology is a technology that uses the principles of interference and diffraction to record and reproduce the real three-dimensional image of an object. In recent years, with the rapid development of computing technology and the development of optical technology, holographic projection technology has been widely studied and applied in practice. Combining the functionality of a traditional podium with the innovative display capabilities of holographic projection can achieve an interactive and immersive speech experience, improve the efficiency of information transmission and the audience's sense of participation, and at the same time, greatly enhance the effect of speech, teaching or demonstration.

[0003] For example, the Chinese patent with the announcement number: CN114903280B discloses a multifunctional lecture table with holographic projection and a teaching method, including a fixed seat, which includes a cubic shell with an opening on the top; a lifting seat, which is arranged inside the fixed seat and completes the lifting action from the opening; a display screen is provided on the top of the lifting seat, one end of the display screen is hinged to one side of the lifting seat, and the lifting seat completes the lifting action under the swing of the display screen. Although the lecture table of the above patent has the function of holographic projection, the overall structure is relatively complex, and the holographic projection components and the lifting mechanism occupy a large internal space of the table body. Utility Model Content

[0004] In view of the problems that the overall structure of the above-mentioned lecture table is relatively complex, and the holographic projection components and the lifting mechanism occupy a large internal space of the table body, the purpose of the utility model is to provide a multimedia lecture table with a holographic projection function.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A multimedia podium with holographic projection function, comprising a table body 1, a table top 2 and a multimedia component 3, wherein the multimedia component 3 is installed on the table top 2;

[0007] The multimedia component 3 includes a first frame 4, a second frame 5 and a base plate 6, the rear end of the first frame 4 is hinged to the front end of the second frame 5, an electronic screen 7 is installed in the first frame 4, and a projection screen 8 is installed in the second frame 5; the rear end of the second frame 5 is hinged to the rear end of the base plate 6; the base plate 6 is installed on the desktop 2; a first support rod 9 is hinged to the left and right ends of the second frame 5, a first limiting groove 10 is provided at the left and right ends of the base plate 6, and one end of each of the two first support rods 9 matches with the two first limiting grooves 10 respectively; a second support rod 11 is hinged to the left and right ends of the second frame 5, a second limiting groove 12 is provided at the left and right ends of the first frame 4, and one end of each of the two second support rods 11 matches with the two second limiting grooves 12 respectively.

[0008] Furthermore, it also includes a limiting bar 13 , which is installed on the desktop 2 , and the front end of the first frame 4 matches the limiting bar 13 .

[0009] Furthermore, it also includes a cushion block 14 , which is installed on the desktop 2 .

[0010] Furthermore, the bottom plate 6 is rotatably connected to the table top 2 .

[0011] Furthermore, the multimedia component 3 also includes a protection plate 15 , and the protection plate 15 is detachably mounted on the top surface of the second frame 5 .

[0012] Furthermore, it also includes a first bar 16 , the protection plate 15 is connected with the first bar 16 , and the first bar 16 is perpendicular to the protection plate 15 .

[0013] Furthermore, it also includes a second bar 17 , the desktop 2 is connected with the second bar 17 , and the second bar 17 is perpendicular to the desktop 2 .

[0014] Furthermore, a groove is provided at the top of the table body 1, and a storage plate 18 is slidably connected in the groove.

[0015] Furthermore, when the multimedia component 3 is in the projection state, the electronic screen 7 and the projection screen 8 are at an angle of 45°.

[0016] Furthermore, when the multimedia component 3 is in the projection state, the projection screen 8 and the bottom plate 6 are at an angle of 45°.

[0017] Due to the adoption of the above technology, the utility model has the following positive effects compared with the prior art:

[0018] (1) In the existing multifunctional lecture tables with holographic projection, the holographic projection components and lifting mechanism are located inside the table body, and both occupy a large space inside the table body. In contrast, the multimedia components of the utility model are foldable and installed on the desktop, which does not occupy the internal space of the table body, thereby improving the use efficiency of the table body.

[0019] (2) The existing multifunctional lecture tables with holographic projection are provided with a lifting mechanism. In contrast, the multimedia component of the utility model is foldable and installed on the desktop, and the projection function is realized through the hinged combination of various components. Therefore, the structure is simpler, more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the electronic screen of the utility model in a tilted state.

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the utility model in a holographic projection state.

[0023] In the attached drawings: 1. table body; 2. table top; 3. multimedia component; 4. first frame; 5. second frame; 6. bottom plate; 7. electronic screen; 8. projection screen; 9. first support rod; 10. first limiting groove; 11. second support rod; 12. second limiting groove; 13. limiting strip; 14. cushion block; 15. protection plate; 16. first gear strip; 17. second gear strip; 18. storage board. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0025] In the description of the present utility model, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the invented product is usually placed when used. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] Please refer to Figure 1-3 As shown, a multimedia podium with holographic projection function is shown, which includes a table body 1, a table top 2 and a multimedia component 3, and the multimedia component 3 is installed on the table top 2;

[0027] The multimedia component 3 includes a first frame 4, a second frame 5 and a bottom plate 6. The rear end of the first frame 4 is hinged to the front end of the second frame 5. An electronic screen 7 is installed in the first frame 4. The electronic screen 7 is a touch tablet computer or a liquid crystal display. The multimedia component 3 is in Figure 1 When the state is shown, the display surface of the electronic screen 7 faces upward; a projection screen 8 is installed in the second frame 5, and the projection screen 8 is a light-transmitting glass plate or plastic plate, and the thickness of the projection screen 8 is less than the thickness of the second frame 5; the rear end of the second frame 5 is hinged to the rear end of the bottom plate 6, and the bottom plate 6 is installed on the desktop 2; a first support rod 9 is hinged to the left and right ends of the second frame 5 respectively; a first limiting groove 10 is provided at the left and right ends of the bottom plate 6 respectively, and one end of each of the two first support rods 9 matches with the two first limiting grooves 10 respectively, and the other end of each of the two first support rods 9 is hinged to the left and right ends of the second frame 5 respectively, and the rotation of the first A support rod 9 can clamp one end of the first support rod 9 in the first limiting groove 10, so that the second frame 5 and the base plate 6 are at a certain angle; a second support rod 11 is hinged at the left and right ends of the second frame 5, and a second limiting groove 12 is provided at the left and right ends of the first frame 4, and one end of each of the two second support rods 11 matches with the two second limiting grooves 12 respectively, and the other end of each of the two second support rods 11 is hinged to the left and right ends of the second frame 5 respectively. By rotating the second support rod 11, one end of the second support rod 11 can be clamped in the second limiting groove 12, so that the first frame 4 and the second frame 5 are at a certain angle.

[0028] like Figure 2 As shown, further, in a preferred embodiment, a limit strip 13 is installed on the desktop 2, and the top surface of the limit strip 13 is in the same horizontal plane as the top surface of the bottom plate 6; the limit strip 13 is parallel to the front end of the first frame 4, and the front end of the first frame 4 matches the limit strip 13. Through the hinge of the second frame 5 and the bottom plate 6 and the hinge of the first frame 4 and the second frame 5, the rear end of the first frame 4 can be manually lifted, and then the front end of the first frame 4 is stuck in the rear end position of the limit strip 13, so that the electronic screen 7 is at a certain angle to the desktop 2, which is convenient for the operator to watch and use the electronic screen 7.

[0029] Furthermore, in a preferred embodiment, a pad 14 is installed on the table top 2, and the top surface of the pad 14 is at the same horizontal plane as the top surface of the bottom plate 6; four pads 14 are provided, and the bottom surfaces of the left and right ends of the first frame 4 can contact with the four pads 14; the bottom surfaces of the left and right ends of the second frame 5 can contact with two of the pads 14, and the function of the pads 14 is to keep the first frame 4 and the second frame 5 stable when they are laid flat.

[0030] Furthermore, in a preferred embodiment, the bottom plate 6 and the desktop 2 can be rotatably connected via a shaft, one end of the shaft is connected to the center of the bottom plate 6, and the other end of the shaft is connected to the desktop 2; Figure 3 As shown, when the first support rod 9 and the second support rod 11 are propped up, the multimedia component 3 is in a projection state. When the bottom plate 6 is rotated, the electronic screen 7 and the projection screen 8 can be driven to rotate in the horizontal direction so that students in different positions can watch.

[0031] Furthermore, in a preferred embodiment, the multimedia component 3 also includes a protective plate 15, which is detachably mounted on the top surface of the second frame 5, and a clip is provided on the bottom surface of the protective plate 15, which can be clipped in the second frame 5; when the projection screen 8 is in a horizontal state, the protective plate 15 is mounted on the top surface of the second frame 5, which can protect the projection screen 8.

[0032] Furthermore, in a preferred embodiment, a first bar 16 is connected to the protective plate 15, and two first bars 16 are provided, one of which is provided at the rear end of the protective plate 15, and the other is provided at the left end of the protective plate 15; the first bar 16 is perpendicular to the protective plate 15; teaching aids and books can be placed on the protective plate 15, and the first bar 16 can prevent the placed items from falling. At the same time, the first bar 16 can act as a handle. When the protective plate 15 needs to be removed, the first bar 16 can be grasped to remove the protective plate 15.

[0033] Furthermore, in a preferred embodiment, a second bar 17 is connected to the desktop 2, and two second bars 17 are provided, one of which is provided at the rear end of the desktop 2, and the other is provided at the right end of the desktop 2; the second bar 17 is perpendicular to the desktop 2; the second bar 17 can prevent items placed on the desktop 2 from falling.

[0034] Furthermore, in a preferred embodiment, a groove is provided at the top of the table body 1, and a storage board 18 is slidably connected in the groove; the storage board 18 is provided below the first frame 4, and when the front end of the first frame 4 is stuck in the rear end position of the limit strip 13, the electronic screen 7 is in a tilted state, at which time the storage board 18 can be exposed, and when the keyboard is needed, the keyboard can be placed on the storage board 18; when the first frame 4 is in a flat state, the storage board 18 can be pulled out if the keyboard needs to be operated.

[0035] Furthermore, in a preferred embodiment, when the multimedia component 3 is in the projection state, the electronic screen 7 and the projection screen 8 are at an angle of 45°, and such an angle has a better projection effect.

[0036] Furthermore, in a preferred embodiment, when the multimedia component 3 is in the projection state, the projection screen 8 and the bottom plate 6 are at an angle of 45°.

[0037] Steps to use the holographic projection function:

[0038] First, remove the protective plate 15 from the second frame 5. Then, flip the first frame 4 180 degrees so that the first frame 4 is placed on the top of the second frame 5. Next, the second frame 5 and the first frame 4 are rotated together through the hinge between the second frame 5 and the base plate 6. During the rotation, one end of each of the two first support rods 9 is placed in the two first limiting grooves 10 to support the front end of the second frame 5. At this time, the second frame 5 forms a 45° angle with the base plate 6. After maintaining stability, rotate the first frame 4. During the rotation, one end of each of the two second support rods 11 is placed in the two second limiting grooves 12 so that the display surface of the electronic screen 7 is opposite to the top surface of the base plate 6 and forms a 45° angle with the projection screen 8. In this way, the holographic image on the electronic screen 7 is projected onto the projection screen 8, thereby producing a three-dimensional 3D effect. Furthermore, the horizontal direction of the projection screen 8 can be adjusted by rotating the base plate 6 so that students in different positions can watch it.

[0039] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A multimedia podium with holographic projection function, characterized in that: It comprises a table body (1), a table top (2) and a multimedia component (3), wherein the multimedia component (3) is installed on the table top (2); The multimedia component (3) comprises a first frame (4), a second frame (5) and a bottom plate (6); the rear end of the first frame (4) is hinged to the front end of the second frame (5); an electronic screen (7) is installed in the first frame (4), and a projection screen (8) is installed in the second frame (5); the rear end of the second frame (5) is hinged to the rear end of the bottom plate (6); the bottom plate (6) is installed on the desktop (2); the left and right ends of the second frame (5) are respectively hinged to a first support rod (9); the left and right ends of the bottom plate (6) are respectively provided with a first limiting groove (10), and one end of each of the two first support rods (9) matches the two first limiting grooves (10); the left and right ends of the second frame (5) are respectively hinged to a second support rod (11), the left and right ends of the first frame (4) are respectively provided with a second limiting groove (12), and one end of each of the two second support rods (11) matches the two second limiting grooves (12).

2. The multimedia podium with holographic projection function according to claim 1, characterized in that: It also comprises a limiting strip (13), wherein the limiting strip (13) is installed on the table top (2), and the front end of the first frame (4) matches the limiting strip (13).

3. The multimedia podium with holographic projection function according to claim 1, characterized in that: It also comprises a cushion block (14), wherein the cushion block (14) is installed on the table top (2).

4. The multimedia podium with holographic projection function according to claim 1, characterized in that: The bottom plate (6) is rotatably connected to the table top (2).

5. The multimedia podium with holographic projection function according to claim 1, characterized in that: The multimedia component (3) further comprises a protective plate (15), wherein the protective plate (15) is detachably mounted on the top surface of the second frame (5).

6. The multimedia podium with holographic projection function according to claim 5, characterized in that: It also comprises a first bar (16), the protection plate (15) is connected with the first bar (16), and the first bar (16) is perpendicular to the protection plate (15).

7. The multimedia podium with holographic projection function according to claim 1, characterized in that: It also comprises a second bar (17), the table top (2) is connected with the second bar (17), and the second bar (17) is perpendicular to the table top (2).

8. The multimedia podium with holographic projection function according to claim 1, characterized in that: The top of the table body (1) is provided with a groove, and a storage plate (18) is slidably connected in the groove.

9. The multimedia podium with holographic projection function according to any one of claims 1 to 8, characterized in that: When the multimedia component (3) is in a projection state, the electronic screen (7) and the projection screen (8) form an angle of 45°.

10. The multimedia podium with holographic projection function according to claim 9, characterized in that: When the multimedia component (3) is in a projection state, the projection screen (8) and the bottom plate (6) form an angle of 45°.

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