Holographic projection exhibition display system

Abstract

The invention provides a holographic projection exhibition display system, and relates to the technical field of holographic projection. A transparent plate is arranged at the top of the frame body, a top plate is fixedly mounted at the top of the transparent plate, a group of projectors are clamped and mounted at four edges of the top plate respectively, the inner end of a cleaning plate is of an inclined body structure, and a cleaning block is mounted at the inner end of the cleaning plate; the mounting seat is matched with the cleaning plate, so that the device can conveniently clean the surfaces of the pyramid projection screen, and the device has a relatively good cleaning effect and a relatively good projection display effect; the pyramid projection screen of the device is convenient to disassemble and assemble quickly through the limiting block, the angle of the projector of the device is convenient to adjust and maintain quickly through the moving plate, and the use efficiency of the device is improved; the problems that dust is prone to being accumulated on the surface of a pyramid projection screen, the projection definition and brightness are prone to being affected, and the assembly, disassembly, maintenance and adjustment processes of components are not convenient enough are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of holographic projection, and in particular to a holographic projection exhibition display system. Background Art

[0002] The holographic projection booth is a cutting-edge display technology that can fully display the product's form with unprecedented intuitiveness and vividness. Through holographic projection, the product is no longer limited to the traditional two-dimensional plane or static three-dimensional model, but appears on the booth in the form of realistic three-dimensional stereoscopic images.

[0003] As for the existing holographic projection exhibition display system, the pyramid projection screen, as the core component of the system, is prone to dust accumulation on its surface, which can easily affect the clarity and brightness of the projection and reduce the overall display effect. Due to the special structure and material of the pyramid projection screen, the cleaning work often becomes cumbersome and inefficient, which brings inconvenience to long-term operation and maintenance; and the disassembly, maintenance and adjustment process of its components is not convenient enough. Summary of the invention

[0004] The disclosed embodiment relates to a holographic projection exhibition display system, which is convenient for surface cleaning of each surface of a pyramid projection screen, so that the device has better cleaning effect and projection display effect; the pyramid projection screen of the device is convenient for quick disassembly and assembly through the limit block, and the angle of the projector of the device is convenient for quick adjustment and maintenance through the movable plate, thereby improving the use efficiency of the device.

[0005] In a first aspect, the present disclosure provides a holographic projection exhibition display system, which specifically includes: a frame; The top of the frame is a transparent plate, a top plate is fixedly installed on the top of the transparent plate, a group of projectors are respectively mounted on the four sides of the top plate, a central processing unit module is externally connected to the projector, four groups of movable plates are also slidably installed on the top plate, a group of spline shafts are fixedly installed on the inner end of the movable plate, a group of spline grooves are opened on the outer end of the projector, and the spline shafts at the inner end of the movable plate are plugged and installed on the spline grooves at the outer end of the projector, a group of mounting seats are slidably installed on the inner bottom end of the frame, a group of electric telescopic rods are fixedly installed on the bottom of the frame, and the top of the transmission shaft of the electric telescopic rod is fixed to the bottom of the mounting seat A group of motors are fixedly installed at the bottom of the mounting seat, a mounting platform is rotatably installed on the mounting seat, and the bottom of the mounting platform is fixedly installed on the transmission shaft of the motor, a group of limit blocks are slidably installed at both ends of the mounting platform, a group of pyramid projection screens are clamped and installed on the top of the mounting platform, a group of limit grooves are respectively opened at both ends of the bottom of the pyramid projection screen, and the limit blocks at both ends of the mounting platform are respectively plugged and installed on the limit grooves at the bottom of the pyramid projection screen, and a group of cleaning plates are also slidably installed at the front and rear ends of the frame, the inner ends of the cleaning plates are italic structures, and the inner ends of the cleaning plates are installed with cleaning blocks.

[0006] In at least some embodiments, a group of sliding holes are opened on the limit block, and a group of support rods are fixedly installed at both ends of the interior of the mounting platform. The inner end of the limit block is an italic structure, and the sliding holes on the limit block are slidably installed on the support rods at both ends of the interior of the mounting platform.

[0007] In at least some embodiments, a group of third elastic members are respectively sleeved and installed on the connecting rods at the outer ends of the cleaning plates, and the outer ends of the third elastic members are respectively in contact with the inner end surfaces of the frame.

[0008] In at least some embodiments, a group of second elastic members are respectively sleeved and mounted on the support rods at both ends inside the mounting platform, and the outer ends of the second elastic members are in contact with the inner end surface of the limiting block.

[0009] In at least some embodiments, a group of first elastic members are respectively sleeved and mounted on the fixed rods at the four sides of the top plate, and the inner ends of the first elastic members are in contact with the outer end surface of the movable plate.

[0010] In at least some embodiments, the front and rear ends of the frame are respectively provided with two sets of sliding holes, the outer end of the cleaning plate is fixedly mounted with two sets of connecting rods, and the connecting rods at the outer end of the cleaning plate are respectively slidably mounted on the sliding holes at the front and rear ends of the frame.

[0011] In at least some embodiments, a group of fixing rods are fixedly connected to the four sides of the top plate, a first elastic member is sleeved on the fixing rods, a group of sliding holes are opened on the movable plate, and the sliding holes on the movable plate are slidably installed on the four sides of the top plate, and a group of fixing rods are fixedly connected to the four sides of the top plate.

[0012] In at least some embodiments, a group of docking blocks are fixedly installed on the top of the mounting platform, a docking groove is opened at the bottom of the pyramid projection screen, and the docking groove at the bottom of the pyramid projection screen is snap-fitted to the docking block on the top of the mounting platform.

[0013] In at least some embodiments, four groups of support rods are fixedly mounted on the top plate, a group of support holes are opened at the inner end of the projector, and the support rods on the top plate are respectively plugged and mounted on the support holes at the inner end of the projector.

[0014] In at least some embodiments, four sets of fixing plates are fixedly installed on the bottom of the frame, sliding holes are opened on the fixing plates, four sets of guide rods are fixedly installed on the bottom of the mounting seat, and the four sets of guide rods at the bottom of the mounting seat are respectively slidably installed on the four sets of sliding holes at the bottom of the frame.

[0015] The present invention provides a holographic projection exhibition display system, which has the following beneficial effects: In the present invention, the mounting seat cooperates with the cleaning plate, so that the device is convenient for cleaning the surfaces of the pyramid projection screen, so that the device has better cleaning effect and projection display effect, and avoids the problem that the surface of the pyramid projection screen is contaminated with dust and is difficult to clean, which affects the display effect of the device; the pyramid projection screen of the device is convenient for quick disassembly and assembly through the limit block, and the angle of the projector of the device is convenient for quick adjustment and maintenance through the movable plate, so the use efficiency of the device is improved.

[0016] In addition, the connecting rods at the outer ends of the cleaning plate are respectively slidably installed on the sliding holes at the front and rear ends of the frame, and the third elastic member on the connecting rod is cooperated to make the cleaning block at the inner end of the cleaning plate always contact with the outer surface of the pyramid projection screen, and the four groups of guide rods at the bottom of the mounting seat are respectively slidably installed on the four groups of sliding holes at the bottom of the frame, and the pyramid projection screen on the mounting seat is driven to move up and down by the electric telescopic rod, so that the device is convenient for cleaning the two opposite surfaces on the pyramid projection screen, and when the two opposite surfaces on the pyramid projection screen are cleaned, the motor drives the pyramid projection screen to rotate ninety degrees through the mounting table, and similarly, the device is convenient for cleaning the other two opposite surfaces on the pyramid projection screen, so that the device has better cleaning effect and projection display effect, and avoids the problem that the surface of the pyramid projection screen is contaminated with dust and is difficult to clean, affecting the display effect of the device.

[0017] In addition, the limit blocks are slidably installed on the support rods at both ends of the mounting platform through the sliding holes on the limit blocks, and the limit blocks are pressed inwardly to clamp the docking groove at the bottom of the pyramid projection screen on the docking block at the top of the mounting platform. When the pyramid projection screen moves to a fixed position, the limit blocks are released, and under the action of the second elastic member on the support rod, the limit blocks move inward, and the limit blocks at both ends of the mounting platform are respectively plugged and installed on the limit grooves at the bottom of the pyramid projection screen, so that the pyramid projection screen of the device is easy to quickly disassemble and assemble.

[0018] In addition, a group of fixing rods are fixedly connected to the four sides of the top plate through the sliding holes on the movable plate. The movable plate is pulled outward, and the support rods on the top plate are respectively plugged and installed on the support holes at the inner end of the projector, and the projector is adjusted to the required illumination angle. The movable plate is loosened, and under the action of the first elastic member on the fixing rod, the spline shaft at the inner end of the movable plate is plugged and installed on the spline groove at the outer end of the projector, so that the projector of the device is convenient and fast to adjust and maintain, thereby improving the use efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 It is a front axial schematic diagram of the holographic projection exhibition display system of the present invention.

[0022] Figure 2 It is an internal schematic diagram of the holographic projection exhibition display system of the present invention.

[0023] Figure 3 It is a top schematic diagram of the holographic projection exhibition display system of the present invention.

[0024] Figure 4 It is a schematic diagram of the installation of the projector of the holographic projection exhibition display system of the present invention.

[0025] Figure 5 It is a schematic diagram of disassembling and assembling a projector of the holographic projection exhibition display system of the present invention.

[0026] Figure 6 It is a schematic diagram of the installation of a cleaning plate of the holographic projection exhibition display system of the present invention.

[0027] Figure 7 It is a schematic diagram of the installation of the mounting base of the holographic projection exhibition display system of the present invention.

[0028] Figure 8 It is a schematic diagram of disassembling and assembling the pyramid projection screen of the holographic projection exhibition display system of the present invention.

[0029] Fig. 9 It is a schematic diagram of the bottom installation of the pyramid projection screen of the holographic projection exhibition display system of the present invention.

[0030] Fig.10 It is a structural block diagram of the holographic projection exhibition display system of the present invention.

[0031] Reference numerals list 1. Frame; 101. Transparent plate; 102. Fixed plate; 103. Top plate; 1031. Fixed rod; 1032. First elastic member; 1033. Moving plate; 1034. Support rod; 1035. Spline shaft; 104. Electric telescopic rod; 2. Mounting seat; 201. Guide rod; 202. Motor; 3. Mounting table; 301. Support rod; 302. Second elastic member; 303. Docking block; 304. Limit block; 4. Pyramid projection screen; 401. Limiting groove; 5. Projector; 501. Spline groove; 6. Cleaning plate; 601. Connecting rod; 602. Third elastic member. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example 1: Please refer to Figures 1 to 10 As shown: The present invention provides a holographic projection exhibition display system, comprising a frame 1; The top of the frame 1 is a transparent plate 101, and a top plate 103 is fixedly installed on the top of the transparent plate 101. A group of projectors 5 are respectively mounted on the four sides of the top plate 103. The projector 5 is externally connected to a central processing unit module. Four groups of movable plates 1033 are also slidably installed on the top plate 103. A group of spline shafts 1035 are fixedly installed on the inner end of the movable plate 1033. A group of spline grooves 501 are opened at the outer end of the projector 5, and the spline shafts 1035 at the inner end of the movable plate 1033 are plugged and installed on the spline grooves 501 at the outer end of the projector 5. A group of mounting seats 2 are slidably installed on the inner bottom end of the frame 1. A group of electric telescopic rods 104 are fixedly installed at the bottom of the frame 1. The transmission shaft of the electric telescopic rod 104 The top is fixed to the bottom of the mounting seat 2, a group of motors 202 are fixedly installed at the bottom of the mounting seat 2, a mounting platform 3 is rotatably installed on the mounting seat 2, and the bottom of the mounting platform 3 is fixedly installed on the transmission shaft of the motor 202, a group of limit blocks 304 are slidably installed at both ends of the mounting platform 3, a group of pyramid projection screens 4 are clamped and installed on the top of the mounting platform 3, a group of limit grooves 401 are respectively opened at both ends of the bottom of the pyramid projection screen 4, and the limit blocks 304 at both ends of the mounting platform 3 are respectively plugged and installed on the limit grooves 401 at the bottom of the pyramid projection screen 4, and a group of cleaning plates 6 are also slidably installed at the front and rear ends of the frame 1, the inner ends of the cleaning plates 6 are italic structures, and the inner ends of the cleaning plates 6 are installed with cleaning blocks.

[0034] Among them, Figure 6 and Figure 7As shown, four groups of fixing plates 102 are fixedly installed at the bottom of the frame 1, and sliding holes are opened on the fixing plates 102. Four groups of guide rods 201 are fixedly installed at the bottom of the mounting seat 2, and the four groups of guide rods 201 at the bottom of the mounting seat 2 are respectively slidably installed on the four groups of sliding holes at the bottom of the frame 1. Two groups of sliding holes are respectively opened at the front and rear ends of the frame 1. Two groups of connecting rods 601 are fixedly installed at the outer end of the cleaning plate 6, and the connecting rods 601 at the outer end of the cleaning plate 6 are respectively slidably installed on the sliding holes at the front and rear ends of the frame 1. A group of third elastic members 602 are respectively sleeved and installed on the connecting rods 601 at the outer end of the cleaning plate 6, and the outer ends of the third elastic members 602 are respectively in contact with the inner end surface of the frame 1; specifically, the connecting rods 601 at the outer end of the cleaning plate 6 are respectively slidably installed on the sliding holes at the front and rear ends of the frame 1, and cooperate with the connecting rods 60 1, so that the cleaning block at the inner end of the cleaning plate 6 is always in contact with the outer surface of the pyramid projection screen 4, the four groups of guide rods 201 at the bottom of the mounting seat 2 are respectively slidably mounted on the four groups of sliding holes at the bottom of the frame 1, and the pyramid projection screen 4 on the mounting seat 2 is driven to move up and down by the electric telescopic rod 104, so that the device is convenient for cleaning the two opposite surfaces on the pyramid projection screen 4, and when the two opposite surfaces on the pyramid projection screen 4 are cleaned, the motor 202 drives the pyramid projection screen 4 to rotate ninety degrees through the mounting platform 3, and similarly, the device is convenient for cleaning the other two opposite surfaces on the pyramid projection screen 4, so that the device has a better cleaning effect and projection display effect, and avoids the problem that the surface of the pyramid projection screen 4 is contaminated with dust and is not easy to clean, affecting the display effect of the device.

[0035] In the present disclosure, Figure 8 and Fig. 9As shown, a group of docking blocks 303 are fixedly installed on the top of the mounting platform 3, a docking groove is provided at the bottom of the pyramid projection screen 4, and the docking groove at the bottom of the pyramid projection screen 4 is snap-fitted and installed on the docking block 303 at the top of the mounting platform 3, a group of sliding holes are provided on the limit block 304, a group of support rods 301 are fixedly installed at both ends of the interior of the mounting platform 3, the inner end of the limit block 304 is an italic structure, and the sliding holes on the limit block 304 are slidably installed on the support rods 301 at both ends of the interior of the mounting platform 3, a group of second elastic members 302 are respectively sleeved and installed on the support rods 301 at both ends of the interior of the mounting platform 3, and the outer ends of the second elastic members 302 are connected to the limit blocks. The inner end faces of the limit blocks 304 are in contact with each other; specifically, the sliding holes on the limit blocks 304 are respectively slidably installed on the support rods 301 at the two ends of the inside of the mounting platform 3, and the limit blocks 304 are pressed inwardly to connect the docking groove at the bottom of the pyramid projection screen 4 to the docking block 303 at the top of the mounting platform 3. When the pyramid projection screen 4 moves to a fixed position, the limit blocks 304 are released, and under the action of the second elastic member 302 on the support rod 301, the limit blocks 304 move inwardly, and the limit blocks 304 at the two ends of the mounting platform 3 are respectively plugged and installed on the limit grooves 401 at the bottom of the pyramid projection screen 4, so that the pyramid projection screen 4 of the device is easy to quickly disassemble and assemble.

[0036] Embodiment 2: Based on Embodiment 1, wherein Figure 4 and Figure 5 As shown, a group of fixing rods 1031 are fixedly connected to the four sides of the top plate 103, and a first elastic member 1032 is sleeved on the fixing rods 1031. A group of sliding holes are opened on the movable plate 1033, and the sliding holes on the movable plate 1033 are slidably installed on the four sides of the top plate 103. A group of fixing rods 1031 are fixedly connected to the four sides of the top plate 103, and a group of first elastic members 1032 are sleeved on the fixing rods 1031 at the four sides of the top plate 103, and the inner ends of the first elastic members 1032 are in contact with the outer end surfaces of the movable plates 1033. Four groups of supporting rods 1034 are also fixedly installed on the top plate 103, and a group of supporting holes are opened at the inner ends of the projectors 5, and the supporting rods 1034 on the top plate 103 are respectively fixedly connected to the four sides of the top plate 103. The movable plate 1033 is separately plugged and installed on the supporting hole at the inner end of the projector 5; specifically, the sliding hole on the movable plate 1033 is slidably installed on the four sides of the top plate 103, and a group of fixed rods 1031 are respectively fixedly connected. The movable plate 1033 is pulled outward, and the supporting rods 1034 on the top plate 103 are respectively plugged and installed on the supporting holes at the inner end of the projector 5, and the projector 5 is adjusted to the required illumination angle, and the movable plate 1033 is loosened. Under the action of the first elastic member 1032 on the fixed rod 1031, the spline shaft 1035 at the inner end of the movable plate 1033 is plugged and installed on the spline groove 501 at the outer end of the projector 5, so that the projector 5 of the device is convenient and fast to adjust and maintain, thereby improving the use efficiency of the device.

[0037] The specific usage and function of this embodiment: In the present invention, the projector 5 is processed by the central processing unit module to display on the pyramid projection screen 4 of the display unit; the connecting rods 601 at the outer ends of the cleaning plate 6 are slidably installed on the sliding holes at the front and rear ends of the frame 1, respectively, and cooperate with the third elastic member 602 on the connecting rod 601, so that the cleaning block at the inner end of the cleaning plate 6 is always in contact with the outer surface of the pyramid projection screen 4, and the pyramid projection screen 4 on the mounting seat 2 is driven by the electric telescopic rod 104 to move up and down, so that the device is convenient for cleaning the two opposing surfaces on the pyramid projection screen 4, and when the two opposing surfaces on the pyramid projection screen 4 are cleaned, the motor 202 drives the pyramid projection screen 4 to rotate ninety degrees through the mounting table 3, and similarly, the device is convenient for cleaning the other two opposing surfaces on the pyramid projection screen 4, and the limit block 304 is pressed inward to move the opposing surfaces at the bottom of the pyramid projection screen 4. The connecting groove is mounted on the docking block 303 on the top of the mounting platform 3. When the pyramid projection screen 4 moves to a fixed position, the limiting block 304 is released. Under the action of the second elastic member 302 on the support rod 301, the limiting block 304 moves inward, and the limiting blocks 304 at both ends of the mounting platform 3 are respectively plugged and installed on the limiting groove 401 at the bottom of the pyramid projection screen 4, so that the pyramid projection screen 4 of the device is easy to quickly disassemble and assemble; pull the moving plate 1033 outward, plug and install the support rods 1034 on the top plate 103 on the support holes at the inner end of the projector 5, and adjust the projector 5 to the required illumination angle, release the moving plate 1033, and under the action of the first elastic member 1032 on the fixed rod 1031, the spline shaft 1035 at the inner end of the moving plate 1033 is plugged and installed on the spline groove 501 at the outer end of the projector 5, so that the projector 5 of the device is easy to quickly adjust and maintain.

Claims

1. A holographic projection exhibition display system, characterized in that: The invention comprises a frame (1); The top of the frame (1) is a transparent plate (101), a top plate (103) is fixedly mounted on the top of the transparent plate (101), a group of projectors (5) are respectively mounted on the four sides of the top plate (103), the projectors (5) are externally connected to a central processing unit module, four groups of movable plates (1033) are also slidably mounted on the top plate (103), a group of spline shafts (1035) are fixedly mounted on the inner ends of the movable plates (1033), a group of spline grooves (501) are opened on the outer ends of the projectors (5), and the spline shafts (1035) at the inner ends of the movable plates (1033) are plugged and mounted on the spline grooves (501) at the outer ends of the projectors (5), a group of mounting seats (2) are slidably mounted on the inner bottom end of the frame (1), a group of electric telescopic rods (104) are fixedly mounted on the bottom of the frame (1), and the transmission of the electric telescopic rods (104) is The top of the moving shaft is fixed to the bottom of the mounting seat (2); a group of motors (202) are fixedly mounted on the bottom of the mounting seat (2); a mounting platform (3) is rotatably mounted on the mounting seat (2); and the bottom of the mounting platform (3) is fixedly mounted on the transmission shaft of the motor (202); a group of limit blocks (304) are slidably mounted on both ends of the mounting platform (3); a group of pyramid projection screens (4) are clamped and mounted on the top of the mounting platform (3); a group of limit grooves (401) are respectively opened at both ends of the bottom of the pyramid projection screen (4); and the limit blocks (304) at both ends of the mounting platform (3) are respectively plugged and mounted on the limit grooves (401) at the bottom of the pyramid projection screen (4); and a group of cleaning plates (6) are slidably mounted on the front and rear ends of the frame body (1); the inner ends of the cleaning plates (6) are of an italic structure, and the inner ends of the cleaning plates (6) are mounted with cleaning blocks.

2. A holographic projection exhibition display system according to claim 1, characterized in that: Four groups of fixing plates (102) are fixedly mounted on the bottom of the frame (1), and sliding holes are provided on the fixing plates (102). Four groups of guide rods (201) are fixedly mounted on the bottom of the mounting seat (2), and the four groups of guide rods (201) at the bottom of the mounting seat (2) are respectively slidably mounted on the four groups of sliding holes at the bottom of the frame (1).

3. The holographic projection exhibition display system according to claim 1, characterized in that: The front and rear ends of the frame body (1) are respectively provided with two sets of sliding holes, the outer end of the cleaning plate (6) is fixedly mounted with two sets of connecting rods (601), and the connecting rods (601) at the outer end of the cleaning plate (6) are respectively slidably mounted on the sliding holes at the front and rear ends of the frame body (1).

4. The holographic projection exhibition display system according to claim 1, characterized in that: A group of third elastic members (602) are respectively sleeved and mounted on the connecting rods (601) at the outer ends of the cleaning plates (6), and the outer ends of the third elastic members (602) are respectively in contact with the inner end surfaces of the frame body (1).

5. The holographic projection exhibition display system according to claim 1, characterized in that: A group of docking blocks (303) are fixedly mounted on the top of the mounting platform (3), a docking groove is provided on the bottom of the pyramid projection screen (4), and the docking groove at the bottom of the pyramid projection screen (4) is snap-fitted and mounted on the docking blocks (303) at the top of the mounting platform (3).

6. The holographic projection exhibition display system according to claim 1, characterized in that: The limit block (304) is provided with a group of sliding holes, and a group of supporting rods (301) are respectively fixedly installed at both ends of the interior of the mounting platform (3). The inner end of the limit block (304) is an italic structure, and the sliding holes on the limit block (304) are respectively slidably installed on the supporting rods (301) at both ends of the interior of the mounting platform (3).

7. The holographic projection exhibition display system according to claim 1, characterized in that: A group of second elastic members (302) are respectively sleeved and mounted on the support rods (301) at both ends inside the mounting platform (3), and the outer ends of the second elastic members (302) are in contact with the inner end surface of the limit block (304).

8. The holographic projection exhibition display system according to claim 1, characterized in that: A group of fixing rods (1031) are fixedly connected to the four sides of the top plate (103), and a first elastic member (1032) is sleeved on the fixing rods (1031). A group of sliding holes are opened on the movable plate (1033), and the sliding holes on the movable plate (1033) are slidably mounted on the four sides of the top plate (103), and a group of fixing rods (1031) are fixedly connected to the four sides of the top plate (103).

9. The holographic projection exhibition display system according to claim 1, characterized in that: A group of first elastic members (1032) are respectively sleeved and installed on the fixed rods (1031) at the four sides of the top plate (103), and the inner ends of the first elastic members (1032) are in contact with the outer end surface of the movable plate (1033).

10. The holographic projection exhibition display system according to claim 1, characterized in that: Four groups of support rods (1034) are also fixedly mounted on the top plate (103), a group of support holes are opened at the inner end of the projector (5), and the support rods (1034) on the top plate (103) are respectively plugged and mounted on the support holes at the inner end of the projector (5).

Images