Eyeball tracking interactive teaching device in education environment

Abstract

The invention relates to the technical field of eyeball tracking, in particular to an eyeball tracking interactive teaching device in an educational environment, which comprises a base, the surface of the base is fixedly connected with a vertical rod and a connecting plate, the outer surface of the vertical rod is rotatably connected with a simulated eyeball, and the inner surface of the vertical rod is fixedly connected with a motor. According to the invention, four groups of connecting rods, sleeve rods and movable rods are arranged on the surfaces of the base and the vertical rod, so that four groups of triangular stable structures can be formed, and a supporting effect can be achieved in the use process of the interactive teaching device, so that the contact area between the device and a placement plane is increased, and the position of the gravity center is lowered; according to the device, by arranging the supporting rods, the stability of the device during placement is enhanced, the situation of toppling and damage caused by accidental touch is reduced, the service life of the device is prolonged, meanwhile, under connection of threaded blocks, mounting holes, screw holes and screwing blocks, the sleeves can be limited to the surfaces of the vertical rods, and the positions of the unfolded connecting rods, the unfolded sleeve rods and the unfolded movable rods are limited.

Description

Technical Field

[0001] The present invention relates to the field of eye tracking technology, and in particular to an eye tracking interactive teaching device in an educational environment. Background Art

[0002] Eye tracking technology, also known as eye tracking or gaze tracking, is a technology that understands users' visual attention and interaction intentions by detecting and analyzing eye movements and gaze direction. Its working principle relies on high-precision cameras and advanced computer vision algorithms to capture and analyze eye movements and gaze direction.

[0003] In order to enable students to better understand eye tracking technology and provide education for them, eye tracking interactive teaching devices are needed to allow students to interact with simulated eyeballs to increase the fun of the educational process. However, when existing devices are used and placed, they have a certain height and the center of gravity is far away from the ground. Therefore, in an educational environment, the device is easily damaged by students' touch and collision, causing it to fall over, affecting normal use. Summary of the Invention

[0004] The purpose of the present invention is to provide an eye-tracking interactive teaching device in an educational environment to solve the problem that the device proposed in the above-mentioned background technology has a certain height and its center of gravity is far away from the ground when it is used and placed, and thus in an educational environment, it is easy to cause the device to fall over due to touch and collision by students, causing damage, thereby affecting normal use.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an eye-tracking interactive teaching device in an educational environment, comprising a base, a vertical pole and a connecting plate fixedly connected to the surface of the base, a simulated eyeball rotatably connected to the outer surface of the vertical pole, a motor fixedly connected to the inner surface of the vertical pole, a camera fixedly connected to the surface of the simulated eyeball, a power cord fixedly connected to the surface of the motor, a connecting rod slidably connected to the surface of the connecting plate, a connecting hole formed on the surface of the connecting plate, a connecting block fixedly connected to the surface of the connecting rod, a sleeve rod movably connected to the surface of the sleeve rod, and a connecting rod slidably connected to the inner surface of the sleeve rod. A movable rod, the surface of the movable rod is provided with a storage groove and a through hole, the surface of the storage groove is movably connected with a support spring and a partition, the surface of the partition is fixedly connected with an insertion block, the surface of the sleeve rod is provided with a insertion hole, the outer surface of the vertical rod is slidably connected with a sleeve, the surface of the movable rod is fixedly connected with the movable block, the outer surface of the sleeve is fixedly connected with the side plate, the surface of the movable block is fixedly connected with the rotating block, the surface of the side plate is provided with a rotating hole, the surface of the sleeve is provided with a mounting hole, the surface of the vertical rod is provided with a screw hole, the surface of the mounting hole is plugged and connected with a threaded block, and the outer surface of the sleeve is abutted and connected with a twisting block.

[0006] Preferably, two groups of connecting plates and connecting blocks are provided, one group of connecting plates is fixedly connected to the surface of the base, and the other group of connecting plates is fixedly connected to the outer surface of the sleeve rod. The two groups of connecting blocks are installed at both ends of the connecting rod, and the number of connecting plates and connecting blocks in each group is two.

[0007] Preferably, the connecting block is rotatably connected to the surface of the connecting hole, the diameter of the connecting hole is the same as the inner diameter of the connecting block, the two ends of the connecting rod are movably connected to the surface of the connecting plate, and the connecting rods, sleeve rods and movable rods are provided in four groups, and the four groups of connecting rods, sleeve rods and movable rods are provided on the four sides of the vertical pole.

[0008] Preferably, there are two groups of support springs, which are installed on both sides of the storage slot, and both ends of the support springs are fixedly connected to the surface of the partition. There are two groups of partitions and through holes, which are abutted and connected on both sides of the storage slot, and two groups of through holes are opened on both sides of the storage slot.

[0009] Preferably, the plug block is plugged into the surface of the through hole and the socket, the diameter of the socket is the same as the diameter of the through hole, and there are two groups of sockets, which are opened at both ends of the sleeve rod. The number of sockets in each group is two, and each group of sockets is opened on both sides of the sleeve rod.

[0010] Preferably, the movable block is movably connected to the surface of the side plate, and two groups of side plates and rotating blocks are provided. The two groups of side plates and rotating blocks are installed on both sides of the movable block, and the rotating block is rotatably connected to the surface of the rotating hole, and the diameter of the rotating hole is the same as the diameter of the rotating block.

[0011] Preferably, the surface of the mounting hole is in the shape of a circular hole, one end of the threaded block is connected to the surface of the screw hole through a thread, and the other end of the threaded block is fixedly connected to the surface of the screw block.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. By installing four groups of connecting rods, sleeve rods and movable rods on the surface of the base and the vertical pole, four groups of triangular stable structures can be formed and play a supporting role during the use of the interactive teaching device, thereby increasing the contact area between the device and the placement plane and lowering the position of the center of gravity, so as to enhance the stability of the device when placed and reduce the damage caused by tipping due to accidental collision, thereby extending the service life of the device. At the same time, under the connection of the threaded block and the mounting hole, screw hole, and screw block, the sleeve can be limited on the surface of the vertical pole, and the position of the unfolded connecting rod, sleeve rod and movable rod can be limited.

[0013] 2. The connection between the connecting plate and the connecting block allows the connecting rod to rotate around the connecting block, the connection between the plug block and the socket allows the movable rod to be telescopically changed within the sleeve rod, and the connection between the movable block and the side plate allows the sleeve rod and the movable rod to rotate around the rotating block, so that the connecting rod, sleeve rod and movable rod can be folded and stored when not in use, thereby reducing the placement space of the interactive teaching device when not in use and facilitating its movement and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic front perspective view of the structure of the present invention; Figure 2 It is an exploded perspective schematic diagram of the structure of the present invention; Figure 3 A schematic three-dimensional diagram of the structure of the connection between the connecting rod, the sleeve rod and the movable rod of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the structure of the middle connecting block; Figure 5 For the present invention Figure 3 A three-dimensional schematic diagram of the structure of the middle plug-in block; Figure 6 For the present invention Figure 3 A schematic diagram of a partial three-dimensional cross-sectional view of the structure of the middle sleeve; Figure 7 For the present invention Figure 5 Schematic diagram of the enlarged structure at A in the middle; Figure 8 For the present invention Figure 6 Schematic diagram of the enlarged structure at point B in the middle.

[0015] In the figure: 1. Base; 2. Vertical pole; 3. Simulated eyeball; 4. Motor; 5. Camera; 6. Power cord; 7. Connecting plate; 8. Connecting rod; 9. Connecting hole; 10. Connecting block; 11. Sleeve rod; 12. Movable rod; 13. Storage slot; 14. Support spring; 15. Partition; 16. Insert block; 17. Through hole; 18. Insert hole; 19. Sleeve; 20. Movable block; 21. Side panel; 22. Rotating block; 23. Rotating hole; 24. Mounting hole; 25. Screw hole; 26. Threaded block; 27. Twist block. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-8 , an embodiment provided by the present invention: An eye tracking interactive teaching device in an educational environment comprises a base 1, wherein the surface of the base 1 is fixedly connected to a vertical pole 2 and a connecting plate 7, the outer surface of the vertical pole 2 is rotatably connected to a simulated eyeball 3, the inner surface of the vertical pole 2 is fixedly connected to a motor 4, the surface of the simulated eyeball 3 is fixedly connected to a camera 5, the surface of the motor 4 is fixedly connected to a power cord 6, the surface of the connecting plate 7 is slidably connected to a connecting rod 8, the surface of the connecting plate 7 is provided with a connecting hole 9, the surface of the connecting rod 8 is fixedly connected to a connecting block 10, the surface of the connecting rod 8 is movably connected to a sleeve rod 11, the inner surface of the sleeve rod 11 is slidably connected to a movable rod 12, the surface of the movable rod 12 is provided with a storage groove 13 and a through hole 17, the surface of the storage groove 13 is movably connected to a support spring 14 and a partition 15, the surface of the partition 15 is fixedly connected to an insertion block 16, the surface of the sleeve rod 11 is provided with a socket 18, the outer surface of the vertical pole 2 is slidably connected to a sleeve 19, the surface of the movable rod 12 is fixed It is connected to a movable block 20, and the outer surface of the sleeve 19 is fixedly connected to a side plate 21, and the surface of the movable block 20 is fixedly connected to a rotating block 22. The surface of the side plate 21 is provided with a rotating hole 23, and the surface of the sleeve 19 is provided with a mounting hole 24. The surface of the vertical pole 2 is provided with a screw hole 25, and the surface of the mounting hole 24 is plugged and connected with a threaded block 26, and the outer surface of the sleeve 19 is abutted and connected with a screw block 27. The base 1, the vertical pole 2, the simulated eyeball 3, the motor 4, the camera 5 and the power cord 6 constitute the main part of the interactive teaching device. The motor 4 is arranged inside the vertical pole 2 and the output shaft is connected to the simulated eyeball 3. After the power cord 6 is connected to the power supply, the motor 4 and the microelectronic control unit connected to it can be energized. The camera 5 can collect the student's eye information and transmit it to the microelectronic control unit, and then control the motor 4 according to the information to drive the simulated eyeball 3 to rotate. It belongs to the existing technology and will not be elaborated here.

[0018] Furthermore, two groups of connecting plates 7 and connecting blocks 10 are provided, one group of connecting plates 7 is fixedly connected to the surface of the base 1, and the other group of connecting plates 7 is fixedly connected to the outer surface of the sleeve rod 11. The two groups of connecting blocks 10 are installed at both ends of the connecting rod 8. The number of each group of connecting plates 7 and connecting blocks 10 is two. When the two groups of connecting plates 7 and connecting blocks 10 are connected, the two ends of the connecting rod 8 can be connected to the base 1 and the sleeve rod 11 respectively, and each group of connecting plates 7 is attached to both sides of the connecting rod 8. The cross-section of the connecting block 10 is "T"-shaped, and one side of the connecting block 10 rotates on the surface of the connecting hole 9 and the other side slides on the surface of the connecting plate 7.

[0019] Furthermore, the connecting block 10 is rotatably connected to the surface of the connecting hole 9, the diameter of the connecting hole 9 is the same as the inner diameter of the connecting block 10, and the two ends of the connecting rod 8 are movably connected to the surface of the connecting plate 7. There are four groups of connecting rods 8, sleeve rods 11 and movable rods 12. The four groups of connecting rods 8, sleeve rods 11 and movable rods 12 are arranged on the four sides of the vertical pole 2. The connecting block 10 is connected to the connecting plate 7 through the connecting hole 9. Under the connection of the connecting hole 9 and the connecting block 10, the connecting plate 7 can be limited and installed on the surface of the connecting rod 8. Under the connection of the connecting rod 8, the sleeve rod 11 and the movable rod 12, a triangular stable structure can be formed to enhance the stability of the device.

[0020] Furthermore, two groups of support springs 14 are provided, and the two groups of support springs 14 are installed on both sides of the storage groove 13. The two ends of the support springs 14 are fixedly connected to the surface of the partition 15. Two groups of partitions 15 and through holes 17 are provided. The two groups of partitions 15 are abutted and connected on both sides of the storage groove 13. Two groups of through holes 17 are opened on both sides of the storage groove 13. The installation effect of the support springs 14 and the partitions 15 can be achieved through the storage groove 13. Under the action of the support springs 14, a supporting force can be applied to the surface of the partition 15 and make it and the plug block 16 always have a tendency to move toward the side of the sleeve rod 11. The connection between the support springs 14 and the plug block 16 can be achieved through the partition 15 and the effect of limiting the movement of the plug block 16 can be achieved.

[0021] Furthermore, the plug block 16 is plugged into and connected to the surface of the through hole 17 and the socket 18. The diameter of the socket 18 is the same as that of the through hole 17. There are two groups of sockets 18, and the two groups of sockets 18 are opened at both ends of the sleeve rod 11. The number of sockets 18 in each group is two, and each group of sockets 18 is opened on both sides of the sleeve rod 11. Under the connection of the plug block 16 and the through hole 17 and the two groups of sockets 18, the connection effect of the movable rod 12 and the sleeve rod 11 can be achieved and the telescopic changes of the two can be achieved. The installation of the plug block 16 can be achieved through the through hole 17 and the socket 18, and the plug block 16 consists of two parts: a cylinder and a hemisphere.

[0022] Furthermore, the movable block 20 is movably connected to the surface of the side panel 21, and two groups of side panels 21 and rotating blocks 22 are provided. The two groups of side panels 21 and rotating blocks 22 are installed on both sides of the movable block 20. The rotating block 22 is rotatably connected to the surface of the rotating hole 23. The diameter of the rotating hole 23 is the same as the diameter of the rotating block 22. The inner diameter of the sleeve 19 is the same as the outer diameter of the vertical rod 2. Under the connection of the rotating block 22 and the rotating hole 23, the connection between the movable block 20 and the side panel 21 can be realized, and then the connection between the movable rod 12 and the sleeve 19 is realized, and the movement of the sleeve 19 drives the four groups of movable rods 12 to move together.

[0023] Furthermore, the surface of the mounting hole 24 is in the shape of a circular hole, one end of the threaded block 26 is connected to the surface of the screw hole 25 by a thread, and the other end of the threaded block 26 is fixedly connected to the surface of the screw block 27. Under the connection between the threaded block 26 and the mounting hole 24 and the screw hole 25, the sleeve 19 can be limitedly installed on the surface of the vertical pole 2, thereby limiting the four groups of connecting rods 8, sleeve rods 11 and movable rods 12 that are unfolded.

[0024] Working principle: Before using the eye tracking interactive teaching device for student education, first place the base 1 on the plane to be operated, then move the sleeve 19 to make it slide on the outside of the vertical rod 2 and drive the movable rod 12 to move together so that it rotates with the rotating block 22 as the center, and at the same time press the plug block 16 on the sleeve rod 11 to make it move into the storage groove 13 through the through hole 17 and cancel the plugging with the group of plug holes 18, so as to drive the partition 15 to slide on the surface of the storage groove 13 and the support spring 14 is in a compressed state, and then pull the connecting rod 8 and the sleeve rod 11 to the outside of the device, so that the sleeve rod 11 slides on the movable rod 12 and rotates with the connecting rod 8 with the connecting block 10 as the center. When the through hole 17 and another set of jacks 18 are aligned, the insert block 16 is inserted therein under the support force exerted by the support spring 14. When the connecting rod 8, the sleeve rod 11 and the movable rod 12 form a triangular structure after movement and the connecting rod 8 is against the plane on which the base 1 is placed, the mounting hole 24 and the screw hole 25 are aligned. Then, the threaded block 26 is inserted into the mounting hole 24 and the screw block 27 is rotated so that the threaded block 26 is connected to the surface of the screw hole 25 through a thread, and the screw block 27 is against the outside of the sleeve 19 to complete the limit fixation of the sleeve 19, and then the four sets of connecting rods 8, the sleeve rod 11 and the movable rod 12 can be unfolded and the interactive teaching device can be supported.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An eye tracking interactive teaching device in an educational environment, comprising a base (1), characterized in that: The surface of the base (1) is fixedly connected to a vertical pole (2) and a connecting plate (7); the outer surface of the vertical pole (2) is rotatably connected to a simulated eyeball (3); the inner surface of the vertical pole (2) is fixedly connected to a motor (4); the surface of the simulated eyeball (3) is fixedly connected to a camera (5); the surface of the motor (4) is fixedly connected to a power line (6); the surface of the connecting plate (7) is slidably connected to a connecting rod (8); the surface of the connecting plate (7) is provided with a connecting hole (9); the surface of the connecting rod (8) is fixedly connected to a connecting block (10); the surface of the connecting rod (8) is movably connected to a sleeve rod (11); the inner surface of the sleeve rod (11) is slidably connected to a movable rod (12); the surface of the movable rod (12) is provided with a storage groove (13) and a through hole (17); the storage groove (13) The surface of the vertical rod (12) is movably connected with a support spring (14) and a partition (15), the surface of the partition (15) is fixedly connected with an insert block (16), the surface of the sleeve rod (11) is provided with an insert hole (18), the outer surface of the vertical rod (2) is slidably connected with a sleeve (19), the surface of the movable rod (12) is fixedly connected with a movable block (20), the outer surface of the sleeve (19) is fixedly connected with a side plate (21), the surface of the movable block (20) is fixedly connected with a rotating block (22), the surface of the side plate (21) is provided with a rotating hole (23), the surface of the sleeve (19) is provided with a mounting hole (24), the surface of the vertical rod (2) is provided with a screw hole (25), the surface of the mounting hole (24) is plug-connected with a threaded block (26), and the outer surface of the sleeve (19) is abutted with a screw block (27).

2. The eye tracking interactive teaching device in an educational environment according to claim 1, characterized in that: The connecting plates (7) and the connecting blocks (10) are provided in two groups, one group of the connecting plates (7) is fixedly connected to the surface of the base (1), and the other group of the connecting plates (7) is fixedly connected to the outer surface of the sleeve rod (11). The two groups of the connecting blocks (10) are installed at both ends of the connecting rod (8), and the number of each group of the connecting plates (7) and the connecting blocks (10) is two.

3. The eye tracking interactive teaching device in an educational environment according to claim 2, characterized in that: The connecting block (10) is rotatably connected to the surface of the connecting hole (9), the diameter of the connecting hole (9) is the same as the inner diameter of the connecting block (10), the two ends of the connecting rod (8) are movably connected to the surface of the connecting plate (7), and the connecting rod (8), the sleeve rod (11) and the movable rod (12) are provided in four groups, and the four groups of the connecting rod (8), the sleeve rod (11) and the movable rod (12) are provided on four sides of the vertical rod (2).

4. The eye tracking interactive teaching device in an educational environment according to claim 1, characterized in that: The support springs (14) are provided in two groups, and the two groups of support springs (14) are installed on both sides of the storage groove (13). The two ends of the support springs (14) are fixedly connected to the surface of the partition (15). The partition (15) and the through hole (17) are provided in two groups, and the two groups of partitions (15) are abutted and connected on both sides of the storage groove (13). The two groups of through holes (17) are opened on both sides of the storage groove (13).

5. The eye tracking interactive teaching device in an educational environment according to claim 1, characterized in that: The plug block (16) is plugged and connected to the surface of the through hole (17) and the socket (18); the diameter of the socket (18) is the same as the diameter of the through hole (17); two groups of the sockets (18) are provided, and the two groups of the sockets (18) are opened at both ends of the sleeve rod (11); the number of the sockets (18) in each group is two, and each group of the sockets (18) is opened on both sides of the sleeve rod (11).

6. The eye tracking interactive teaching device in an educational environment according to claim 1, characterized in that: The movable block (20) is movably connected to the surface of the side plate (21), and two groups of the side plate (21) and the rotating block (22) are provided. The two groups of the side plate (21) and the rotating block (22) are installed on both sides of the movable block (20). The rotating block (22) is rotatably connected to the surface of the rotating hole (23), and the diameter of the rotating hole (23) is the same as the diameter of the rotating block (22).

7. The eye tracking interactive teaching device in an educational environment according to claim 1, characterized in that: The surface of the mounting hole (24) is in the shape of a circular hole, one end of the threaded block (26) is connected to the surface of the screw hole (25) through a thread, and the other end of the threaded block (26) is fixedly connected to the surface of the screw block (27).

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