CN217391537U

CN217391537U - Swimming teaching auxiliary robot based on machine vision

Info

Publication number: CN217391537U
Application number: CN202220291338.7U
Authority: CN
Inventors: 李丰强
Original assignee: Individual
Current assignee: Hubei Zhile Swimming Facilities Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-09-09
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a swimming teaching assistance robot based on machine vision, including robot and guide rail, robot sets up at the guide rail top, robot includes slide rail base and battery charging and control storehouse, slide rail base and guide rail sliding connection, battery charging and control storehouse and slide rail base between rotate and be connected, battery charging and control storehouse top are rotated and are connected with the pivot. The utility model discloses a camera catches student's posture and training image and combines processing system to handle, correct with two sub-system cooperations of safety monitoring at the gesture under, can independently accomplish swimming teaching and aquatic simulation training on bank, and can supervise going on of aquatic training, not only alleviateed swimming class mr's working strength, can independently undertake teaching work on bank, alleviate the nervous problem of professional swimming master and resources team, improve the security of swimming training and the accuracy of swimming, improve training efficiency and standardized swimming posture.

Description

Swimming teaching auxiliary robot based on machine vision

Technical Field

The utility model relates to a supplementary teaching field of swimming, concretely relates to supplementary robot of swimming teaching based on machine vision.

Background

With the development and popularization of sports, various sports are developed on a large scale, particularly swimming sports, and more people like swimming.

Along with the development of the activities of 'swimming into campus', swimming classes are developed in middle and primary schools in succession in various places, thereby bringing the tension of professional swimming teachers and teams. On the other hand, with the development of artificial intelligence technology, the machine vision technology is gradually mature, different human body limbs are combined after key points of the human body are extracted by utilizing posture estimation, the bone vector angle data are evaluated in real time, and each limb score can be given according to the comparison of the human body vector angle data and established standard actions. The artificial intelligence technology is combined with swimming, plays an auxiliary role in the teaching process of swimming in middle and primary schools, and can relieve the phenomenon that the professional swimming teachers and materials are in short supply at present. Because the artificial intelligence technique can not feel the thinking of the trainer, the interactivity is poor, the training efficiency is low, and the potential safety hazard exists.

Therefore, it is necessary to invent a swimming teaching aid robot based on machine vision to solve the above problems.

Disclosure of Invention

The utility model aims at providing a swimming teaching assistance robot based on machine vision catches student's posture and training image and combines processing system to handle through the camera, correct with two subsystems of safety monitoring cooperation in the gesture under, can independently accomplish swimming teaching and aquatic simulation training on the bank, and can supervise going on of aquatic training, not only alleviateed swimming teacher's working strength, can independently undertake teaching work on the bank, and safe and reliable to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: a swimming teaching auxiliary robot based on machine vision comprises a robot body and a guide rail, wherein the robot body is arranged at the top of the guide rail and comprises a slide rail base and a battery charging and controlling bin, the slide rail base is connected with the guide rail in a sliding mode, the battery charging and controlling bin is connected with the slide rail base in a rotating mode, the top end of the battery charging and controlling bin is connected with a rotating shaft in a rotating mode, one side of the rotating shaft is provided with an mechanical arm, a cross shaft sleeve is arranged at one end, away from the rotating shaft, of the mechanical arm, a camera is arranged at the top end of the cross shaft sleeve, a connecting hook is arranged at the bottom end of the cross shaft sleeve, a swimming buoyancy rod is hung at the bottom of the connecting hook, a pressure sensor is arranged at the connecting position of the connecting hook and the cross shaft sleeve, and the pressure sensor is used for sensing the stress intensity of the swimming buoyancy rod;

the battery charges and controls the storehouse surface and is equipped with the display screen, battery charges and controls the storehouse both sides and still is equipped with the speaker, the inside processor module that is equipped with in battery charges and controls the storehouse, the link of processor module is equipped with networking communications facilities, and camera and pressure sensor all are connected with the communication of processor module through networking communications facilities.

The battery is equipped with the battery in the battery charging and control storehouse, the link electric connection of battery has the charge management equipment who is used for the battery power supply, the link electric connection of battery has charge management equipment.

The quantity of guide rail sets up to a plurality ofly, and a plurality of guide rail parallel distribution, and the guide rail is walked the swimming pool edge and is laid, robot passes through the guide rail base and fixed and the walking with the guide rail cooperation.

The swimming buoyancy rod is arranged into a water-drop-shaped frame, and the surface of the swimming buoyancy rod is provided with a rubber sealing layer.

The mechanical arm is of a telescopic structure, and an electric push rod is arranged inside the telescopic structure.

The battery charging and controlling bin top and the sliding rail base top axle center are fixedly provided with driving motors, two driving motor output shafts are respectively connected with the battery charging and controlling bin and the rotating shaft in a transmission mode, and the driving motors are electrically connected with the processor module.

The connection end of the processor module is provided with a controller, and the electric push rod and the driving motor are electrically connected with the controller.

The connecting end of the processor module is provided with a posture correcting system, the posture correcting system obtains training action capturing images through a camera and calculates a posture score through an Open Pose real-time posture monitoring and estimating algorithm.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the utility model discloses a camera catches student's posture and training image and combines processing system to handle, correct with two sub-system cooperations of safety monitoring at the gesture under, can independently accomplish swimming teaching and aquatic simulation training on bank, and can supervise going on of aquatic training, not only alleviateed swimming class mr's working strength, can independently undertake teaching work on bank, alleviate the nervous problem of professional swimming master and resources team, improve the security of swimming training and the accuracy of swimming, improve training efficiency and standardized swimming posture.

2. The utility model discloses a controller control electric putter and driving motor can send into the student into the swimming pool and adjust the training position, make things convenient for the training person to launch the training, and the robot passes through the guide rail base and fixed with the walking with the guide rail cooperation, simulate swimming in the removal and advance, and the speed is adjustable can play the pertinence promotion training of different stages and different speeds, and stability is higher, safe and reliable, the simple and operation of being convenient for of this device application method.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a system block diagram of the present invention.

Description of reference numerals:

the robot comprises a robot body 1, a slide rail base 101, a battery charging and control cabin 102, a display screen 103, a loudspeaker 104, a processor module 105, a networking communication device 106, a guide rail 2, a rotating shaft 3, a mechanical arm 4, a cross shaft sleeve 5, a camera 6, a connecting hook 7, a pressure sensor 8, a swimming buoyancy rod 9 and a controller 10.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

The utility model provides a swimming teaching auxiliary robot based on machine vision as shown in figures 1-2, which comprises a robot body 1 and a guide rail 2, wherein the robot body 1 is arranged on the top of the guide rail 2, the robot body 1 comprises a slide rail base 101 and a battery charging and controlling bin 102, the slide rail base 101 is connected with the guide rail 2 in a sliding way, the battery charging and controlling bin 102 is connected with the slide rail base 101 in a rotating way, the top end of the battery charging and controlling bin 102 is connected with a rotating shaft 3 in a rotating way, one side of the rotating shaft 3 is provided with a mechanical arm 4, one end of the mechanical arm 4 far away from the rotating shaft 3 is provided with a cross shaft sleeve 5, the top end of the cross shaft sleeve 5 is provided with a camera 6, the bottom end of the cross shaft sleeve 5 is provided with a connecting hook 7, the bottom of the connecting hook 7 is hung with a swimming buoyancy rod 9, the connecting hook 7 is provided with a pressure sensor 8 at the connection part of the cross shaft sleeve 5, the pressure sensor 8 is used for sensing the stress intensity of the swimming buoyancy rod 9;

the surface of the battery charging and control bin 102 is provided with a display screen 103, the two sides of the battery charging and control bin 102 are also provided with loudspeakers 104, a processor module 105 is arranged inside the battery charging and control bin 102, the connecting end of the processor module 105 is provided with networking communication equipment 106, and the camera 6 and the pressure sensor 8 are in communication connection with the processor module 105 through the networking communication equipment 106.

Furthermore, in the above technical solution, a storage battery is arranged inside the battery charging and control bin 102, a connection end of the storage battery is electrically connected with a charging management device for supplying power to the storage battery, and a connection end of the storage battery is electrically connected with the charging management device, so that the storage battery is conveniently charged, and the device is fast maintained.

Further, in above-mentioned technical scheme, the quantity of guide rail 2 sets up to a plurality ofly, and a plurality of guide rail 2 parallel distribution, and guide rail 2 is laid around the swimming pool edge, robot 1 can simulate swimming and advance through 2 bases of guide rail and 2 cooperation fixed and walks of guide rail, plays the pertinence promotion training of different stages and different speeds, and stability is higher, safe and reliable.

Furthermore, in the technical scheme, the swimming buoyancy rod 9 is arranged into a water-drop-shaped frame, and the rubber sealing layer is arranged on the surface of the swimming buoyancy rod 9, so that the swimming buoyancy rod is convenient to bear a human body, improves the comfort, and is beneficial to normal teaching.

Further, in the above technical scheme, the mechanical arm 4 is set to be a telescopic structure, and an electric push rod is arranged in the telescopic structure, so that the training position can be conveniently adjusted, and a trainer can conveniently launch.

Further, in above-mentioned technical scheme, the equal fixed mounting in battery charging and control storehouse 102 top and slide rail base 101 top axle center department has driving motor, and two driving motor output shafts are connected with battery charging and

control storehouse

102 and 3 transmission of pivot respectively, and driving motor and processor module 105 electric connection, are convenient for adjust the training position, make things convenient for the training person to launch, and avoid influencing the training person and study on shore, can open the field of vision, the camera 19 collection of being convenient for.

Further, in the above technical scheme, the connecting end of the processor module 105 is provided with the controller 10, the electric push rod and the driving motor are both electrically connected with the controller 10, and the angle and the position of the training device are controlled and adjusted through the controller 10, so that the training device is convenient to use.

Further, in the above technical solution, the connection end of the processor module 105 is provided with a posture correction system, the posture correction system obtains a training motion capture image through the camera 6 and calculates a posture score by an Open dose real-time posture monitoring estimation algorithm, and when teaching on shore, a student can follow the teaching motion played on the display screen 103; the camera 6 captures the actions of the student, and the gesture score is calculated by an Open Pose real-time gesture monitoring and estimating algorithm; after the onshore actions are qualified, the student can independently learn on the swimming buoyancy rod 9 grabbed by the mechanical arm 4, the camera 6 supervises the whole learning process of the student, when the phenomenon that the student drops off the swimming buoyancy rod occurs, the change range of the pressure sensor 8 is obviously increased, the loudspeaker 104 is controlled to give out sound to alarm in combination with the detection and processing condition of the camera 6, the manual coach is reminded to intervene, the safety of swimming training and the accuracy of swimming are improved, and the training efficiency is improved;

when the Open Pose real-time posture monitoring and estimating algorithm calculates the posture score, firstly, the coordinates of all skeleton key points of standard actions are counted, a vector angle is formed according to the combination of different skeleton coordinate points, and the vector angle between different joints is calculated as the standard. The camera calculates each key point angle in real time aiming at the video stream, compares the key point angle with a standard value one by one, gives scores of a neck, a left shoulder, a left arm, a right shoulder, a right arm, a left wrist and a right wrist, and gives a total score by the posture correction system.

This practical theory of operation:

referring to the attached drawings 1-2 of the specification, when the device is used, on-shore teaching is firstly carried out, a student follows the teaching action played on a display screen 103, the action of the student is captured by a camera 6, the gesture score is calculated by an Open Pose real-time gesture monitoring and estimating algorithm, after the on-shore action is qualified, the student can independently learn on a swimming buoyancy rod 9 captured by a mechanical arm 4, the camera 6 supervises the whole learning process of the student, when the phenomenon that the student falls off the swimming buoyancy rod, the change amplitude of a sensing value of a pressure sensor 8 is obviously increased, a loudspeaker 104 is controlled to give an alarm by combining the detection processing condition of the camera 6, manual coach intervention is reminded, two subsystems of gesture correction and safety monitoring are set, the safety of swimming training and the accuracy of swimming are improved, and the training efficiency is improved;

referring to the attached drawings 1-2 of the specification, a student independently learns on the swimming buoyancy rod 9 grabbed by the mechanical arm 4, the electric push rod and the driving motor are controlled through the controller 10, the student can be sent into a swimming pool and the training position is adjusted, the trainee can conveniently launch into water for training, the robot body 1 is fixed and walks through the matching of the base of the guide rail 2 and the guide rail 2, swimming is simulated to advance in moving, the speed is adjustable, the targeted lifting training in different stages and different speeds can be achieved, the stability is high, and the robot is safe and reliable.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a swimming teaching auxiliary robot based on machine vision, includes robot body (1) and guide rail (2), robot body (1) sets up at guide rail (2) top, its characterized in that: the robot body (1) comprises a slide rail base (101) and a battery charging and controlling bin (102), the slide rail base (101) is connected with the guide rail (2) in a sliding way, the battery charging and controlling bin (102) is connected with the slide rail base (101) in a rotating way, the top end of the battery charging and controlling bin (102) is rotationally connected with a rotating shaft (3), one side of the rotating shaft (3) is provided with a mechanical arm (4), a cross shaft sleeve (5) is arranged at one end of the mechanical arm (4) far away from the rotating shaft (3), the top end of the cross shaft sleeve (5) is provided with a camera (6), the bottom end of the cross shaft sleeve (5) is provided with a connecting hook (7), the bottom of the connecting hook (7) is hung with a swimming buoyancy rod (9), the connecting part of the connecting hook (7) and the cross shaft sleeve (5) is provided with a pressure sensor (8), the pressure sensor (8) is used for sensing the stress intensity of the swimming buoyancy rod (9);

the surface of the battery charging and control bin (102) is provided with a display screen (103), two sides of the battery charging and control bin (102) are also provided with speakers (104), a processor module (105) is arranged inside the battery charging and control bin (102), the connecting end of the processor module (105) is provided with networking communication equipment (106), and the camera (6) and the pressure sensor (8) are in communication connection with the processor module (105) through the networking communication equipment (106);

the connecting end of the processor module (105) is provided with a posture correcting system, the posture correcting system obtains training action capturing images through a camera (6) and calculates a posture score through an Open Pose real-time posture monitoring and estimating algorithm.

2. A machine vision based swimming teaching aid robot according to claim 1, wherein: the battery charging and control cabin (102) is internally provided with a storage battery, the connecting end of the storage battery is electrically connected with a charging management device for supplying power to the storage battery, and the connecting end of the storage battery is electrically connected with the charging management device.

3. A machine vision based swimming teaching aid robot as claimed in claim 1, wherein: the quantity of guide rail (2) sets up to a plurality ofly, and a plurality of guide rail (2) parallel distribution, and guide rail (2) are walked the swimming pool edge and are laid, robot (1) is fixed and the walking through guide rail (2) base and guide rail (2) cooperation.

4. A machine vision based swimming teaching aid robot as claimed in claim 1, wherein: the swimming buoyancy rod (9) is arranged into a drop-shaped frame, and a rubber sealing layer is arranged on the surface of the swimming buoyancy rod (9).

5. A machine vision based swimming teaching aid robot as claimed in claim 1, wherein: the mechanical arm (4) is of a telescopic structure, and an electric push rod is arranged inside the telescopic structure.

6. A machine vision based swimming teaching aid robot according to claim 5, wherein: the top of the battery charging and control bin (102) and the axis of the top of the sliding rail base (101) are fixedly provided with driving motors, output shafts of the two driving motors are in transmission connection with the battery charging and control bin (102) and the rotating shaft (3) respectively, and the driving motors are electrically connected with the processor module (105).

7. A machine vision based swimming teaching aid robot according to claim 6, wherein: the connection end of the processor module (105) is provided with a controller (10), and the electric push rod and the driving motor are electrically connected with the controller (10).