CN214042626U

CN214042626U - Immersive teaching equipment

Info

Publication number: CN214042626U
Application number: CN202023337362.XU
Authority: CN
Inventors: 刘文毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-24
Anticipated expiration: 2030-12-30

Abstract

The utility model provides an immersive teaching equipment relates to the teaching equipment field. The utility model provides an immersive teaching equipment, includes projection equipment and projection screen, and above-mentioned projection equipment is used for projecting to above-mentioned projection screen, and above-mentioned projection screen contains main screen and a plurality of vice screen, and the above-mentioned vice screen of a plurality of centers on above-mentioned main screen a week in proper order and sets up, and a plurality of main screen is collapsible towards main screen side respectively. The utility model discloses can be vivid the vivid teaching content that presents, arouse student's interest in learning, very big improvement teaching efficiency.

Description

Immersive teaching equipment

Technical Field

The utility model relates to a teaching equipment field particularly, relates to an immersive teaching equipment.

Background

The traditional teaching mode is that teachers explain teaching contents on a platform, students passively accept knowledge under the platform, and the requirements on the basic teaching functions of the teachers are strict. In the course of lecturing, the teacher mainly writes the content on the blackboard and uses the language to reach the concept, the efficiency of teaching knowledge is limited, and the teacher is easy to feel tired in long-time courses, so that students lose patience.

Traditional tourism projects need to organize personnel to experience in the field, and the organization of such projects consumes great energy and time, and the cost is huge, and ordinary families are difficult to bear. Present virtual reality video most needs realize with the help of VR glasses, uses VR glasses for a long time and can cause the injury to people's eyes, and wears behind the VR glasses, and is very inconvenient with mr's interdynamic.

Therefore, there is a need for a teaching apparatus that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an immersive teaching equipment, it can be vivid the teaching content that presents, arouses student interest in learning, very big improvement teaching efficiency.

The embodiment of the utility model is realized like this:

the embodiment of the application provides an immersive teaching equipment, it includes projection equipment and projection screen, and above-mentioned projection equipment is used for projecting above-mentioned projection screen, and above-mentioned projection screen contains main screen and a plurality of vice screen, and the above-mentioned vice screen of a plurality of centers on above-mentioned main screen a week in proper order and sets up, and the above-mentioned vice screen of a plurality of is respectively towards above-mentioned main screen side collapsible.

The utility model discloses an in some embodiments, above-mentioned main screen a week is equipped with a plurality of hinge, and the above-mentioned vice screen of a plurality of rotates through each above-mentioned hinge respectively and connects in above-mentioned main screen.

In some embodiments of the present invention, the hinge comprises two fixed blades and a rotating shaft, one end of each of the two fixed blades is respectively rotatably connected to the rotating shaft, and one of the other ends of the fixed blades is connected to one side of any one of the auxiliary screens, the other end of the other fixed blade is connected to the side of the main screen close to the auxiliary screen, and the axial direction of the rotating shaft is consistent with the length direction of the side of the main screen.

The utility model discloses an in some embodiments, above-mentioned immersive teaching equipment contains the vaulting pole, and the one end that above-mentioned main screen was kept away from to arbitrary one above-mentioned vice screen is located to above-mentioned vaulting pole one end, and above-mentioned main screen is openly located to the above-mentioned vaulting pole other end.

In some embodiments of the present invention, one end of the stay is hinged to any one of the auxiliary screens, and the other end of the stay is adjustably disposed on the main screen along the folding direction of the main screen.

The utility model discloses an in some embodiments, above-mentioned main screen contains a plurality of stopper, and the direction of movement of the above-mentioned stopper edge above-mentioned vaulting pole expansion end of a plurality of sets up in above-mentioned main screen, and above-mentioned vaulting pole and each above-mentioned stopper butt respectively or break away from.

The utility model discloses an in some embodiments, the one end of the above-mentioned stopper of a plurality of and above-mentioned vaulting pole butt is equipped with corresponding screw, and above-mentioned vaulting pole passes through bolted connection with above-mentioned stopper.

In some embodiments of the present invention, the projection apparatus includes a projector, a support frame and a universal connecting member, the universal connecting member is provided with a first rotating end and a second rotating end which are relatively rotatable, and the projector, the first rotating end, the second rotating end and the support frame are sequentially connected from top to bottom.

The utility model discloses an in some embodiments, above-mentioned immersive teaching equipment contains the camera, and above-mentioned camera passes through bolted connection in above-mentioned projecting apparatus.

The utility model discloses an in some embodiments, above-mentioned projecting apparatus and above-mentioned universal connection spare are a plurality of and the quantity is the same, and a plurality of above-mentioned projecting apparatuses are connected in above-mentioned support frame through each above-mentioned universal connection spare respectively, and the projection end of a plurality of above-mentioned projecting apparatuses sets up towards the plane of projection of above-mentioned main screen and the plane of projection one-to-one of the above-mentioned vice screen of a plurality of respectively.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the embodiment of the utility model provides an immersive teaching equipment contains projection equipment and projection screen, and above-mentioned projection equipment is used for projecting above-mentioned projection screen, and above-mentioned projection screen contains main screen and a plurality of vice screen, and the above-mentioned vice screen of a plurality of centers on above-mentioned main screen a week in proper order and sets up, and the above-mentioned vice screen of a plurality of is collapsible towards above-mentioned main screen side respectively.

The utility model discloses a place projection equipment in the projection screen relatively, realize that projection equipment throws the teaching content on the projection screen with multiple modes such as picture, video to make the teaching content more lively easy understanding, improve teaching efficiency. The projection screen is used for displaying a projection picture projected by the projection device, and a clearer image can be obtained on the projection screen by adjusting a proper distance between the projection device and the projection screen. The projection screen comprises a main screen and a plurality of auxiliary screens, so that the viewing area is increased by utilizing the plurality of projection screens, multiple persons can view the projection screens, and the visual effect is improved; through with a plurality of vice screen around main screen a week towards main screen side collapsibly set up, the contained angle size between vice screen of accessible folding regulation and the main screen to realize diversified projection, create 3D stereoeffect. And a plurality of auxiliary screens are arranged around the main screen to form a panoramic image, so that a virtual environment is simulated, students can be personally on the scene, and the students can feel required learning knowledge more clearly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a projection screen according to an embodiment of the present invention;

FIG. 2 is a rear view of a projection screen according to an embodiment of the present invention;

fig. 3 is a schematic view of a projection apparatus according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a part a of fig. 1 according to an embodiment of the present invention.

Icon: 1-projection screen, 2-projection equipment, 3-hinge, 4-support rod, 5-limit block, 101-main screen, 102-auxiliary screen, 201-projector, 202-support frame, 203-camera, 204-universal connector, 301-fixed sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1-4, fig. 1-4 show an immersive teaching device provided in this embodiment, which can vividly present teaching contents, stimulate learning interests of students, and greatly improve teaching efficiency.

As shown in fig. 1 and fig. 2, an immersive education device according to an embodiment of the present application includes a projection device 2 and a projection screen 1, where the projection device 2 is used for projecting the projection screen 1, the projection screen 1 includes a main screen 101 and a plurality of sub-screens 102, the plurality of sub-screens 102 are sequentially arranged around the main screen 101, and the plurality of sub-screens 102 are respectively foldable toward the side of the main screen 101.

In the above embodiment, the projection device 2 is any one of the conventionally selected ones, and images or videos are projected by the projection device 2, so that the teaching contents can be vividly presented to students, and a good teaching effect can be obtained. Alternatively, the projection screen 1 may be a hard screen or a soft screen, wherein the hard screen can obtain an effect of high rigidity and low deformation tendency, and has high flatness. A clearer image can be obtained by receiving the projection through the projection screen 1. In detail, the main screen 101 and the plurality of sub-screens 102 are both rectangular plate-shaped hard screens, and optionally, the plurality of sub-screens 102 may be respectively disposed independently of the main screen 101. The plurality of sub-screens 102 may also be rotatably connected to the periphery of the main screen 101 using a flexible material or a hinge 3 so that the plurality of sub-screens 102 can be folded with respect to the side of the main screen 101. Also, the range of the foldable angle between the sub-screen 102 and the main screen 101 may not be limited, so that the sub-screen 102 can be folded to coincide with the main screen 101. The sub-screen 102 may be fixed to a wall surface by bolts after being folded at a certain angle.

When the foldable auxiliary screen 102 is used, the main screen 101 can be fixed on a wall surface or other fixed objects through bolts, and the main screen 101 can be fixed on the wall surface or the main screen 101 through the bolts after the folding angle of each auxiliary screen 102 is adjusted. The projection device 2 is arranged at a certain distance relative to the projection screen 1, so that the main screen 101 and the plurality of auxiliary screens 102 are projected, the plurality of projection devices 2 can be used for projecting the same or different images to the main screen 101 and the auxiliary screens 102 respectively, and the folding angles of the auxiliary screens 102 are adjusted, so that the projection images are projected on the three-dimensional screens at different distances relative to the watching positions of people, and the naked eye 3D effect can be realized. The video of the relevant real scene recorded in advance towards the projection screen 1 through the projection equipment 2 can simulate a virtual environment, so that students can feel the external environment indoors, the students can experience knowledge such as popular culture in different places personally on the scene, and the effect of swimming indoors can be achieved. Above-mentioned projection screen 1 still can be for the LED electronic screen, closes projection equipment 2, directly receives picture signals such as some scenes of forest, sea or other countries through projection screen 1 and plays, also can make out virtual environment effect, makes the student can locate its border by oneself to be convenient for the student to go to the experience and the study of carrying out relevant knowledge, and this process only needs the student to watch the video indoor and carries out the interdynamic and can realize, need not spend high expense. The utility model discloses an in the use, the student need not wear auxiliary device such as 3D glasses, and convenient and fast has also protected student's eyesight. When the portable electronic device is not used, the auxiliary screen 102 can be rotated to be overlapped with the main screen 101 in a mode of pushing the auxiliary screen 102, so that the size is reduced, the storage and the transportation are convenient, and the main screen 101 and the auxiliary screen 102 are protected.

In some embodiments of the present invention, as shown in fig. 2, the display device includes a plurality of hinges 3, and a plurality of the sub-screens 102 are respectively rotatably connected to the main screen 101 through the hinges 3.

In the above embodiment, the rectangular main screen 101 and the plurality of sub-screens 102 each include four side edges, and the maximum relative rotation angle of the plurality of hinges 3 is 180 degrees, so that adjustment is facilitated. Wherein the hinge 3 may be a damping hinge 3 so that the angle between the sub-screen 102 and the main screen 101 can be fixed after adjustment.

During the use, can manually promote a plurality of vice screen 102 respectively for a plurality of vice screen 102 rotates to adjust to be the tilt state with main screen 101, and rethread projection equipment 2 throws towards the plane of projection that main screen 101 and a plurality of vice screen 102 lie in same side simultaneously and forms the panoramic picture, can make immersive teaching environment, makes the more clear understanding relevant knowledge of student. Optionally, different projection devices 2 are used to respectively project the sub-screens 102 and the main screen 101, so that different pictures can be projected at the same time, and people can watch the pictures conveniently.

In some embodiments of the present invention, as shown in fig. 2, the hinge 3 includes two fixed blades 301 and a rotating shaft 302, one end of the two fixed blades 301 is rotatably connected to the rotating shaft 302, and one of the other ends of the fixed blades 301 is connected to a side of any one of the sub-screens 102, the other end of the other fixed blade is connected to a side of the main screen 101 close to the sub-screen 102, and the axial direction of the rotating shaft 302 is the same as the length direction of the side of the main screen 101.

In the above embodiment, the two fixed blades 301 are made of high-strength materials, the rotating shaft 302 is any one of the conventionally selected fixed blades, the two fixed blades 301 are rotatably connected to the rotating shaft 302, so that the two fixed blades 301 rotate relative to each other, and the rotation angle between the two fixed blades 301 is not limited, so that the angle at which any one of the sub-screens 102 is folded on the main screen 101 can be conveniently adjusted through the rotation of the two fixed blades. One of the two fixed leaves 301 is connected to the side of the sub-screen 102, and the other fixed leaf 301 is connected to the side of the main screen 101. Optionally, the side edges of the fixed blade 301 and the sub-screen 102 are provided with corresponding screw holes, so that the fixed blade 301 and the sub-screen 102 are connected by bolts penetrating through the corresponding screw holes. The other fixing pressing piece of the hinge 3 is fixed to the main panel 101 in the same manner as the fixing pressing piece 301 is connected to the sub-panel 102, and a repeated description is not necessary. In detail, the axial direction of the rotating shaft 302 is consistent with the length direction of the side edge of the main screen 101, so that any one fixed blade of different hinges 3 drives a corresponding one of the sub-screens 102 to rotate circumferentially around the rotating shaft 302.

In some embodiments of the present invention, the immersive teaching device includes a supporting rod 4, one end of the supporting rod 4 is disposed at one end of any one of the auxiliary screens 102 far away from the main screen 101, and the other end of the supporting rod 4 is disposed at the front of the main screen 101.

In the above embodiment, the stay bar 4 may be made of transparent materials such as organic glass, and the side edges of the main screen 101 and the sub-screen 102 are provided to prevent the stay bar 4 from blocking the projected image. Alternatively, two support rods 4 may be provided, one end of each of the two support rods 4 is disposed at a position of any one of the sub-screens 102 away from the main screen 101, and the other end of each of the two support rods 4 is connected to a side portion of the main screen 101. The support rod 4 is connected between the auxiliary screen 102 above the main screen 101 and the main screen 101, and the support rod 4 can be used for supporting and fixing the auxiliary screen 102 to prevent the folding angle of the auxiliary screen 102 above the main screen 101 from changing. And is disposed between the main screen 101 and the sub-screen 102 by the stay 4. The main screen 101 and the auxiliary screen 102 are arranged at a certain angle, and the immersive watching requirement of people can be further met.

In some embodiments of the present invention, one end of the stay 4 is hinged to the sub-screen 102, and the other end is adjustably disposed on the main screen 101 along the folding direction of the main screen 101.

In detail, one end of the stay bar 4 is rotatably connected to the sub-screen 102 through a rotating shaft 302, and the rotating direction of the rotating shaft 302 is the same as the rotating direction of the connected sub-screen 102 relative to the main screen 101. Optionally, one end of the stay bar 4 away from the secondary screen 102 is a movable end, and the movable end is detachably connected to the primary screen 101 through any mode such as bolts and clamping. Wherein, the expansion end along the folding direction of main screen 101 respectively with the different position demountable installation of main screen 101 to vice screen 102 rotates for main screen 101 and adjusts the back, vaulting pole 4 can be fixed through installing in a plurality of positions of main screen 101, and is optional, main screen 101 is used for the front of projection and watching to set up two vertical spouts, and the one end that vice screen 102 was kept away from to vaulting pole 4 slides and matches in the spout, and then can realize the regulation of vice screen 102's folding angle through the different positions that slide to the spout. And one end of the stay bar 4 can be fixedly connected to any one position of the sliding chute through a bolt.

The utility model discloses an in some embodiments, as shown in FIG. 1, above-mentioned main screen 101 contains a plurality of stopper 5, and the moving direction of the above-mentioned stopper 5 of a plurality of along the 4 expansion ends of above-mentioned vaulting pole sets up in above-mentioned main screen 101, and above-mentioned vaulting pole 4 and each above-mentioned stopper 5 butt respectively or break away from.

In the above embodiment, the plurality of limiting blocks 5 are all rectangular and made of transparent materials. Optionally, the plurality of limiting blocks 5 are divided into two rows, and are respectively bonded to two sides of the front surface of the main screen 101 in the vertical direction. A plurality of stopper 5 in arbitrary one is arranged for the equidistant to conveniently adjust 4 butts of vaulting pole in not stopper 5 of co-altitude. When the angle adjusting device is used, after the angle between the auxiliary screen 102 above the main screen 101 and the main screen 101 is adjusted, the support rods 4 can be abutted to the limiting blocks 5 with different heights in the same column, and therefore the effect of stably supporting the auxiliary screen 102 above the main screen 101 is achieved.

The utility model discloses an in some embodiments, as shown in fig. 4, the one end of the above-mentioned stopper 5 of the above-mentioned stopper 5 of a plurality of and above-mentioned vaulting pole 4 butt is equipped with corresponding screw, and above-mentioned vaulting pole 4 passes through bolted connection with above-mentioned stopper 5.

In the above embodiment, according to any one of the sub-screens 102, the upper side of each row of the limiting blocks 5 may be provided with a screw hole corresponding to one of the support rods 4, so that the limiting blocks 5 and the support rods 4 are connected by passing through the corresponding screw holes through bolts, thereby preventing the support rods 4 from moving, and enabling the sub-screen 102 to be more stably connected to the main screen 101.

In some embodiments of the present invention, as shown in fig. 3, the projection apparatus 2 includes a projector 201, a supporting frame 202 and a universal connecting member 204, the universal connecting member 204 is provided with a first rotating end and a second rotating end which are relatively rotatable, and the projector 201, the first rotating end, the second rotating end and the supporting frame 202 are sequentially connected.

In the above embodiment, the projector 201 may be a micro projector 201, so that the projector is convenient to mount and dismount and is convenient to carry. Support frame 202 can be for extending structure, through the height of adjusting the expansion bracket to set up projecting apparatus 201 in the co-altitude, and then satisfy different teaching demands. The universal connection member 204 is one conventionally selected in the prior art, and is not limited herein, the universal connection member 204 is used for connecting the projector 201 and the support frame 202, so that the projection end of the projector 201 can be adjusted by the universal connection member 204 to project toward the projection surface of the main screen 101 or different sub-screens 102, and the projector 201 can be located above the support frame 202 by sequentially connecting the projector 201, the first rotation end, the second rotation end, and the support frame 202 from top to bottom, so that the support frame 202 is prevented from shielding the projection end of the projector 201 to influence the projection effect.

In some embodiments of the present invention, as shown in fig. 3, the immersive teaching device includes a camera 203, and the camera 203 is connected to the projector 201 through a bolt.

In the above embodiment, the camera 203 is a wireless camera, which is convenient to use. Can take notes the classroom condition at any time through camera 203, make things convenient for the person of giving lessons to do the record statistics to learner's learning condition, and the mr also can observe student's state through the picture that camera 203 recorded at any time, carries out the interactive teaching of pertinence. Optionally, the camera 203 is connected to the upper side of the projector 201 through a bolt, so that the projector can have a wider visual field and is convenient to disassemble, assemble and replace.

In some embodiments of the present invention, as shown in fig. 3, the projector 201 and the universal connecting member 204 are a plurality of and the same in quantity, the plurality of projectors 201 are connected to the supporting frame 202 through the respective universal connecting members 204, and the projection ends of the plurality of projectors 201 are respectively disposed toward the projection surface of the main screen 101 and the projection surfaces of the plurality of sub-screens 102 in a one-to-one correspondence.

In the above embodiment, the number of the projectors 201 is plural, and the plural projectors include one main projector 201 and plural sub-projectors 201 arranged around the main projector 201. So that the main projector 201 is projected toward the main screen 101 and the plurality of sub-projectors 201 are projected toward one of the sub-screens 102, respectively. Optionally, the main projector 201 and each auxiliary projector 201 are respectively connected to the supporting frame 202 through the universal connection 204, so that after the angle of the plurality of auxiliary screens 102 relative to the main screen 101 is adjusted, the projection ends of the main projector 201 and the plurality of auxiliary projectors 201 can be adjusted to be respectively set towards the projection surfaces of the adjusted main screen 101 and the plurality of auxiliary screens 102, and the optimal projection effect is obtained.

The utility model discloses a place projection equipment 2 relatively in projection screen 1, realize projection equipment 2 with multiple modes such as picture, video with the teaching content throw on projection screen 1 to make the teaching content more lively easy understanding, improve teaching efficiency. The projection screen 1 is used for displaying a projection picture projected by the projection device 2, so that a clearer image can be obtained on the projection screen 1 by adjusting a proper distance between the projection device 2 and the projection screen 1. The projection screen 1 comprises a main screen 101 and a plurality of auxiliary screens 102, so that the viewing area is increased by using a plurality of projection screens 1, multiple persons can watch the projection screen, and the visual effect is improved; through setting up a plurality of vice screen 102 around main screen 101 a week towards main screen 101 side foldingly, the contained angle size between accessible folding regulation vice screen 102 and the main screen 101 to realize diversified projection, create 3D stereoeffect. And a plurality of sub-screens 102 are arranged around the main screen 101 to form a panoramic image, so that a virtual environment is simulated, students can be immersed in the environment, and the students can feel required learning knowledge more clearly.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an immersive teaching equipment which characterized in that contains projection equipment and projection screen, projection equipment is used for projecting to the projection screen, the projection screen contains main screen and a plurality of vice screen, a plurality of vice screen centers on in proper order main screen a week sets up, and a plurality of vice screen moves towards respectively main screen side is collapsible.

2. The immersive teaching device of claim 1, wherein a plurality of hinges are provided around the main screen, and a plurality of the sub-screens are rotatably connected to the main screen through the hinges, respectively.

3. The immersive teaching device of claim 2, wherein the hinge comprises two fixed blades and a rotating shaft, one ends of the two fixed blades are respectively and rotatably connected to the rotating shaft, the other end of one of the fixed blades is connected to one side of any one of the sub-screens, the other end of the other fixed blade is connected to the side of the main screen close to the sub-screen, and the axial direction of the rotating shaft is consistent with the length direction of the side of the main screen.

4. The immersive teaching device of claim 1, comprising a brace, wherein one end of the brace is disposed at an end of any one of the sub-screens away from the main screen, and the other end of the brace is disposed on a front surface of the main screen.

5. The immersive teaching device of claim 4, wherein the stay is hinged at one end to any one of the sub-screens and adjustably provided at the other end to the main screen in a folding direction of the main screen.

6. The immersive teaching device of claim 5, wherein the main screen comprises a plurality of stoppers, the stoppers are disposed on the main screen along a moving direction of the movable end of the stay bar, and the stay bar is abutted against or separated from each stopper.

7. The immersive teaching device of claim 6, wherein a plurality of the limiting blocks and the ends of the stay bars abutting against the limiting blocks are provided with corresponding screw holes, and the stay bars are connected with the limiting blocks through bolts.

8. The immersive instructional device of claim 1, wherein the projection device comprises a projector, a support frame, and a universal connection having a first rotatable end and a second rotatable end that are relatively rotatable, the projector, the first rotatable end, the second rotatable end, and the support frame being connected in series one above the other.

9. The immersive instructional device of claim 8 comprising a camera mounted to the projector by a bolt.

10. The immersive teaching device of claim 8, wherein the projectors and the universal connectors are respectively provided in a plurality and the same number, the plurality of projectors are respectively connected to the support frame through the universal connectors, and the projection ends of the projectors are respectively arranged in a one-to-one correspondence manner towards the projection surface of the main screen and the projection surfaces of the plurality of sub-screens.