Multimedia recording and broadcasting classroom device

Abstract

The utility model discloses a multimedia recording and broadcasting classroom device which comprises a first containing cavity arranged at the upper end of a device body, a winding roller is arranged in the first containing cavity, clockwork springs are arranged at the two ends of the winding roller, a screen is arranged outside the device body, and a display screen is arranged on the screen. A lifting plate is arranged above the device main body; the second storage cavity is formed in the upper end of the device body, a projector is arranged in the second storage cavity, an electric push rod is arranged below the projector, a camera is arranged on one side of the device body, and a loudspeaker is arranged below the camera. According to the multimedia recording and broadcasting classroom, the loudspeaker system, the projection system and the camera system are integrally arranged on the platform, the projection system is installed in a telescopic mode and can stretch out and be unfolded during use, the whole device can be moved and carried, the daily moving and using requirements can be met, and the using effect of the multimedia recording and broadcasting classroom is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of recording and broadcasting classrooms, in particular to a multimedia recording and broadcasting classroom device. Background Art

[0002] With the development of social technology, multimedia teaching applications have become more and more widespread. Simply put, the recording and broadcasting system can integrate and record the video, audio, and image signals of electronic equipment recorded on site, and generate standardized streaming media files. Multimedia recording and broadcasting classroom devices are mainly used to record and play performances, teaching videos, competition area conditions, etc. The recording and broadcasting device is a device that collects images, environments, sounds, etc. through recording, thereby providing an audio image that can be played repeatedly. This audio image can be transmitted and backed up, which plays a role in facilitating learning and rapid dissemination.

[0003] The Chinese patent publication number is CN215818316U, and the authorization announcement date is February 11, 2022. A multimedia recording and broadcasting classroom device includes a cabinet, a first cabinet door is rotatably connected to the middle of the front end of the cabinet, a microphone is arranged in the middle of the front side of the cabinet, a remote control is arranged in the middle of the front side of the cabinet, a first camera is fixedly connected to the middle of the top of the cabinet groove, a fill light is fixedly connected to the middle of the top of the cabinet groove, a projector is fixedly connected to the upper end of the cabinet, and a motor is fixedly connected to the right front side of the upper end of the cabinet. In the utility model, firstly, a projection system can be assembled through a projector, a screen, and a bracket, and necessary video recording work can be performed through the first camera and the second camera. At the same time, the tablet computer can also edit or send and receive files through the network for subsequent use. Under the premise of ensuring various functions, the above structures cooperate with each other to improve the integration of the device, which is worthy of vigorous promotion.

[0004] The existing multimedia recording and broadcasting classrooms need to install the speaker system, projection system, camera system and podium in the classroom in a dispersed manner. The integration of the devices is not high enough, the recording and broadcasting classrooms are not flexible enough, and the devices need to be moved and transported for use, which reduces the practicality of the recording and broadcasting classrooms and cannot meet the usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a multimedia recording and broadcasting classroom device to solve the problem proposed in the above background technology that the existing multimedia recording and broadcasting classroom needs to install the speaker system, projection system, camera system and podium in the classroom in a dispersed manner, the integration of the device is not high enough, the recording and broadcasting classroom is not flexible enough, and the device needs to be moved and transported for use, which reduces the practicability of the recording and broadcasting classroom and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multimedia recording and broadcasting classroom device, including a device body, and also including:

[0007] A first storage chamber is arranged at the upper end of the device body, a winding roller is arranged inside the first storage chamber, spring springs are arranged at both ends of the winding roller, and the winding roller is rotatably connected to the device body through the spring spring, a screen is arranged outside the device body, and the screen is wound and connected to the device body, a lifting plate is arranged above the device body, and one end of the screen is fixedly connected to the lower end of the lifting plate, a first telescopic chamber is arranged inside the device body, two first telescopic chambers are arranged, and the two first telescopic chambers are arranged on both sides of the first storage chamber, a connecting rod is arranged inside the two first telescopic chambers, and the connecting rod is slidably connected to the device body, and one end of the connecting rod is fixedly connected to the lifting plate;

[0008] A second storage cavity is arranged at the upper end of the device body, a projector is arranged inside the second storage cavity, and the projector is movably connected to the device body, an electric push rod is arranged below the projector, and the electric push rod is fixedly connected to the device body and the projector, a camera is arranged on one side of the device body, a touch panel is arranged on one side of the camera, a speaker is arranged below the camera, and the speaker, the touch panel and the camera are all connected to the device body by screws.

[0009] Preferably, a motor is provided inside the device body, two motors are provided, and the motors are fixedly connected to the device body, a nut is provided at the lower end of the connecting rod, and the nut is fixedly connected to the connecting rod, a second telescopic cavity is provided inside the connecting rod, a screw rod is provided inside the second telescopic cavity, and one end of the screw rod is connected to the output end of the motor, the screw rod and the nut are through-set, and the screw rod and the nut are threadedly connected.

[0010] Preferably, a dustproof ring is provided inside the first storage cavity, and the dustproof ring is fixedly connected to the device body.

[0011] Preferably, a cover plate is provided at the upper end of the second storage cavity, an elastic hinge is provided between the cover plate and the device body, and the cover plate and the device body are rotatably connected through the elastic hinge.

[0012] Preferably, an inspection plate is provided on the back of the device body, and the inspection plate is connected to the device body by screws, a power cord is provided on one side of the lower end of the device body, and the power cord is connected to the device body as a whole, a wire clip is provided on one side of the inspection plate, and the wire clip is fixedly connected to the inspection plate, and the wire clip is clipped to the power cord.

[0013] Preferably, heat dissipation windows are provided on both sides of the device body, and the heat dissipation windows are connected to the device body by screws.

[0014] Preferably, a shock-absorbing plate is provided below the device body, and the shock-absorbing plate is fixedly connected to the device body, a walking wheel assembly is provided below the shock-absorbing plate, four walking wheel assemblies are provided, and the walking wheel assembly is connected to the shock-absorbing plate by screws, and the four walking wheel assemblies are provided at the four corners of the shock-absorbing plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model device is provided with a first storage cavity, a lifting plate, a connecting rod, a motor, a screw rod, a winding roller, a spring spring and a camera. The motor drives the screw rod to rotate, and the connecting rod is lifted and lowered as the screw rod rotates. The height of the lifting plate is changed as the connecting rod is lifted and lowered, so that the screen can be folded and unfolded. When the screen is not in use, the size of the device can be reduced. The camera records the surrounding environment to realize the multimedia recording and broadcasting function. The spring spring drives the winding roller to rotate, and the screen is rolled up as the winding roller rotates, so that the screen can be in a straightened state when in use.

[0017] 2. The utility model device is provided with a second storage cavity, an electric push rod, an elastic hinge, a cover plate and a projector. The electric push rod drives the projector to rise and fall. When in use, the projector is pushed out to be used with the screen. When not in use, the projector is stored in the second storage cavity. The elastic hinge applies a thrust to the cover plate. Under the action of the thrust, the cover plate stores the projector in the second storage cavity and blocks the upper end of the second storage cavity to prevent dust from entering the second storage cavity.

[0018] 3. The utility model device is provided with a shock-absorbing plate and a running wheel assembly. The running wheel assembly facilitates the movement and transportation of the device. The shock-absorbing plate plays a shock-absorbing and protective role when the device is transported, and plays a protective role for the internal components of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a rear view of the utility model;

[0021] Figure 3 This is a diagram showing the connection between the screen and the device body of the present utility model;

[0022] Figure 4 This is a diagram showing the connection relationship between the projector and the device body of the utility model;

[0023] Figure 5 For the utility model Figure 3 A partial enlarged view of area A.

[0024] In the figure: 1. device body; 2. speaker; 3. shock-absorbing plate; 4. walking wheel assembly; 5. heat dissipation window; 6. touch panel; 7. first storage chamber; 8. lifting plate; 9. screen; 10. connecting rod; 11. cover plate; 12. camera; 13. inspection panel; 14. power cord; 15. cable clip; 16. first telescopic chamber; 17. motor; 18. second telescopic chamber; 19. screw rod; 20. nut; 21. second storage chamber; 22. electric push rod; 23. elastic hinge; 24. projector; 25. winding roller; 26. spring; 27. dust ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-5 The utility model provides an embodiment: a multimedia recording and broadcasting classroom device, including a device body 1, and also including:

[0027] A first storage chamber 7 is arranged at the upper end of the device body 1, a winding roller 25 is arranged inside the first storage chamber 7, both ends of the winding roller 25 are arranged with spring springs 26, and the winding roller 25 is rotatably connected to the device body 1 through the spring spring 26, a screen 9 is arranged outside the device body 1, and the screen 9 is wound and connected to the device body 1, a lifting plate 8 is arranged above the device body 1, and one end of the screen 9 is fixedly connected to the lower end of the lifting plate 8, a first telescopic chamber 16 is arranged inside the device body 1, two first telescopic chambers 16 are arranged, and the two first telescopic chambers 16 are arranged on both sides of the first storage chamber 7, and connecting rods 10 are arranged inside the two first telescopic chambers 16, and the connecting rod 10 is slidably connected to the device body 1, and one end of the connecting rod 10 is fixedly connected to the lifting plate 8;

[0028] A second storage cavity 21 is arranged at the upper end of the device body 1, and a projector 24 is arranged inside the second storage cavity 21, and the projector 24 is movably connected to the device body 1, an electric push rod 22 is arranged below the projector 24, and the electric push rod 22 is fixedly connected to the device body 1 and the projector 24, a camera 12 is arranged on one side of the device body 1, a touch panel 6 is arranged on one side of the camera 12, a speaker 2 is arranged below the camera 12, and the speaker 2, the touch panel 6 and the camera 12 are connected to the device body 1 by screws.

[0029] During use: move the device to a suitable position, lift the lifting plate 8 to unfold the folded screen 9, drive the electric push rod 22 to drive the projector 24 to rise, push the projector 24 out of the second storage chamber 21, turn on the projector 24 to project the image onto the screen 9, turn on the camera 12 to record the surrounding environment, and realize the multimedia recording and broadcasting function. After use, the lifting plate 8 is stored in the first storage chamber 7, and the spring spring 26 drives the winding roller 25 to rotate, and the screen 9 is rolled up as the winding roller 25 rotates.

[0030] See also Figure 3 and Figure 5 A motor 17 is provided inside the device body 1. Two motors 17 are provided, and the motor 17 is fixedly connected to the device body 1. A nut 20 is provided at the lower end of the connecting rod 10, and the nut 20 is fixedly connected to the connecting rod 10. A second telescopic chamber 18 is provided inside the connecting rod 10. A screw rod 19 is provided inside the second telescopic chamber 18, and one end of the screw rod 19 is connected to the output end of the motor 17. The screw rod 19 and the nut 20 are through-set, and the screw rod 19 and the nut 20 are threadedly connected. The screw rod 19 is driven to rotate by the motor 17. As the screw rod 19 rotates, the connecting rod 10 is driven to rise and fall. As the connecting rod 10 rises and falls, the height of the lifting plate 8 is changed, so that the screen 9 can be retracted and extended. When the screen 9 is not in use, the volume of the device can be reduced.

[0031] See also Figure 1 , Figure 3 and Figure 5 A dustproof ring 27 is provided inside the first storage chamber 7 and is fixedly connected to the device body 1 . The dustproof ring 27 fills the gap when the lifting plate 8 is received in the first storage chamber 7 to prevent dust from entering the first storage chamber 7 .

[0032] See also Figure 1 and Figure 4 A cover plate 11 is provided at the upper end of the second storage cavity 21, and an elastic hinge 23 is provided between the cover plate 11 and the device body 1, and the cover plate 11 and the device body 1 are rotatably connected through the elastic hinge 23. The projector 24 is received in the second storage cavity 21 through the cover plate 11 to seal the upper end of the second storage cavity 21, and dust is also prevented from entering the second storage cavity 21.

[0033] See also Figure 2 An inspection panel 13 is provided on the back of the device body 1, and the inspection panel 13 is connected to the device body 1 by screws. A power cord 14 is provided on one side of the lower end of the device body 1, and the power cord 14 is connected to the device body 1 as a whole. A wire clip 15 is provided on one side of the inspection panel 13, and the wire clip 15 is fixedly connected to the inspection panel 13. The wire clip 15 is clipped with the power cord 14. By removing the inspection panel 13, it is convenient to inspect the device, and the wire clip 15 will fold and organize the unused power cord 14.

[0034] See also Figure 1 , heat dissipation windows 5 are provided on both sides of the device body 1, and the heat dissipation windows 5 are connected to the device body 1 by screws.

[0035] See also Figure 1 and Figure 2 A shock absorbing plate 3 is arranged below the device body 1, and the shock absorbing plate 3 is fixedly connected to the device body 1. A walking wheel assembly 4 is arranged below the shock absorbing plate 3. Four walking wheel assemblies 4 are arranged, and the walking wheel assembly 4 is connected to the shock absorbing plate 3 by screws. The four walking wheel assemblies 4 are arranged at the four corners of the shock absorbing plate 3. The walking wheel assembly 4 is used to facilitate the movement and transportation of the device. The shock absorbing plate 3 plays a shock absorbing and protective role when the device is transported, and plays a protective role for the internal components of the device.

[0036] Working principle: Move the device to a suitable position through the walking wheel assembly 4, and then use the walking wheel assembly 4 to fix the device, turn on the motor 17 to drive the screw rod 19 to rotate clockwise, and as the screw rod 19 rotates, the connecting rod 10 is driven to rise, and the lifting plate 8 is lifted up. The screen 9 is unfolded under the action of tension, and the electric push rod 22 is driven to drive the projector 24 to rise, and the projector 24 is pushed out from the second storage cavity 21. The projector 24 is turned on to project the image onto the screen 9, and the camera 12 is turned on to monitor the surrounding environment. Perform video recording to realize the multimedia recording and broadcasting function; after use, turn on the motor 17 to drive the screw rod 19 to rotate counterclockwise, and as the screw rod 19 rotates, the connecting rod 10 is driven to descend, and the lifting plate 8 is stored in the first storage chamber 7. The spring spring 26 drives the winding roller 25 to rotate. As the winding roller 25 rotates, the screen 9 is wound up, and the electric push rod 22 is driven to drive the projector 24 to descend, and the projector 24 is stored in the second storage chamber 21. The elastic hinge 23 applies a thrust to the cover plate 11 to connect with the device body 1.

[0037] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multimedia recording and broadcasting classroom device, comprising a device body (1), characterized in that: Also includes: A first storage chamber (7) is arranged at the upper end of the device body (1); a winding roller (25) is arranged inside the first storage chamber (7); both ends of the winding roller (25) are arranged with spring springs (26); the winding roller (25) and the device body (1) are rotatably connected via the spring springs (26); a screen (9) is arranged outside the device body (1); the screen (9) is wound and connected with the device body (1); a lifting plate (8) is arranged above the device body (1); one end of the screen (9) is fixedly connected to the lower end of the lifting plate (8); a first telescopic chamber (16) is arranged inside the device body (1); two first telescopic chambers (16) are arranged, and the two first telescopic chambers (16) are arranged on both sides of the first storage chamber (7); a connecting rod (10) is arranged inside the two first telescopic chambers (16); the connecting rod (10) is slidably connected to the device body (1); one end of the connecting rod (10) is fixedly connected to the lifting plate (8); A second storage cavity (21) is arranged at the upper end of the device body (1); a projector (24) is arranged inside the second storage cavity (21), and the projector (24) is movably connected to the device body (1); an electric push rod (22) is arranged below the projector (24), and the electric push rod (22) is fixedly connected to the device body (1) and the projector (24); a camera (12) is arranged on one side of the device body (1); a touch panel (6) is arranged on one side of the camera (12); a speaker (2) is arranged below the camera (12), and the speaker (2), the touch panel (6) and the camera (12) are all connected to the device body (1) by screws.

2. A multimedia recording and broadcasting classroom device according to claim 1, characterized in that: A motor (17) is arranged inside the device body (1), two motors (17) are arranged, and the motors (17) are fixedly connected to the device body (1); a nut (20) is arranged at the lower end of the connecting rod (10), and the nut (20) is fixedly connected to the connecting rod (10); a second telescopic cavity (18) is arranged inside the connecting rod (10), a screw rod (19) is arranged inside the second telescopic cavity (18), and one end of the screw rod (19) is connected to the output end of the motor (17); the screw rod (19) and the nut (20) are arranged in a through manner, and the screw rod (19) and the nut (20) are threadedly connected.

3. A multimedia recording and broadcasting classroom device according to claim 1, characterized in that: A dustproof ring (27) is provided inside the first storage cavity (7), and the dustproof ring (27) is fixedly connected to the device body (1).

4. A multimedia recording and broadcasting classroom device according to claim 1, characterized in that: A cover plate (11) is provided at the upper end of the second storage cavity (21), an elastic hinge (23) is provided between the cover plate (11) and the device body (1), and the cover plate (11) and the device body (1) are rotatably connected via the elastic hinge (23).

5. A multimedia recording and broadcasting classroom device according to claim 1, characterized in that: An inspection plate (13) is provided on the back of the device body (1), and the inspection plate (13) is connected to the device body (1) by screws; a power cord (14) is provided on one side of the lower end of the device body (1), and the power cord (14) is connected to the device body (1) as a whole; a wire clip (15) is provided on one side of the inspection plate (13), and the wire clip (15) is fixedly connected to the inspection plate (13), and the wire clip (15) is clipped to the power cord (14).

6. A multimedia recording and broadcasting classroom device according to claim 1, characterized in that: Heat dissipation windows (5) are provided on both sides of the device body (1), and the heat dissipation windows (5) are connected to the device body (1) via screws.

7. A multimedia recording and broadcasting classroom device according to claim 1, characterized in that: A shock absorbing plate (3) is arranged below the device body (1), and the shock absorbing plate (3) is fixedly connected to the device body (1). A walking wheel assembly (4) is arranged below the shock absorbing plate (3), four walking wheel assemblies (4) are arranged, and the walking wheel assembly (4) is connected to the shock absorbing plate (3) by screws. The four walking wheel assemblies (4) are arranged at the four corners of the shock absorbing plate (3).

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