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CN-121988008-A - Multi-dimensional capturing bracelet and foot ring combined equipment for skiing professional actions

CN121988008ACN 121988008 ACN121988008 ACN 121988008ACN-121988008-A

Abstract

The application discloses a skiing professional action multi-dimensional capturing bracelet and foot ring combination device which comprises a left bracelet main body and a right bracelet main body which are worn on double wrists respectively, and a left foot ring main body and a right foot ring main body which are worn on double ankles respectively, wherein an inertial measurement unit, a flexible display screen, a vibration motor and a Bluetooth module are integrated in each main body, a main control chip is further arranged in the left bracelet main body and is in wireless connection with other three main bodies through the Bluetooth module so as to receive and process motion data synchronously acquired by four points, and a multi-dimensional skiing action model is generated. According to the application, through multi-point synchronous capturing of limbs and combining real-time display and vibration feedback, the gravity center transfer and limb posture of a skier can be accurately restored, the athlete is helped to correct the wrong action in time, and the method is suitable for action analysis and technical improvement in skiing training.

Inventors

  • Dai Wenrou
  • GAO JIAYI
  • GUO JINGRU
  • ZHANG HUAQIN
  • Kang Jiye

Assignees

  • 四川旅游学院

Dates

Publication Date
20260508
Application Date
20260312

Claims (10)

  1. 1. A multi-dimensional capturing bracelet and foot ring combined device for skiing professional actions is characterized by comprising; The left bracelet body (1) and the right bracelet body are respectively used for being worn on the left wrist and the right wrist of a user; The left foot ring main body and the right foot ring main body are respectively used for being worn on the left ankle and the right ankle of a user; The intelligent skiing device comprises a left bracelet body (1), a right bracelet body, a left foot ring body and a right foot ring body, wherein inertia measuring units for capturing three-dimensional space motion data in real time are integrated in the left bracelet body, the right bracelet body, the left foot ring body and the right foot ring body, flexible display screens for displaying the motion data and motion gestures are arranged on the bracelet body and the foot ring body, vibration motors for providing tactile feedback are arranged in the bracelet body and the foot ring body, bluetooth modules for wireless data transmission are arranged in the bracelet body and the foot ring body, a main control chip (21) is further arranged in the left bracelet body (1), and the main control chip (21) is in wireless connection with second, third and fourth Bluetooth modules in the right bracelet body, the left foot ring body and the right foot ring body through a first Bluetooth module (17) so as to receive and process the motion data synchronously collected by four points and generate a multi-dimensional skiing motion model.
  2. 2. The multi-dimensional capturing bracelet and foot ring combination apparatus for skiing professional movements of claim 1 wherein said inertial measurement unit is a six-axis or nine-axis sensor integrated with a three-axis accelerometer, a three-axis gyroscope and optionally a three-axis magnetometer. By adopting the high-precision nine-axis sensor, the acceleration, angular velocity and direction information of the limbs in high-speed movement can be more accurately captured, and the accumulated error caused by a single sensor is effectively eliminated, so that the motion capturing precision is improved, and the gravity center transfer, the limb swing and the rotation angle of a skier are truly restored.
  3. 3. The multi-dimensional capturing bracelet and foot ring combination apparatus for skiing professional movements of claim 1 wherein said flexible display screen is an OLED or electronic ink screen. The flexible display screen with low power consumption can display the motion gesture of the current limb in real time, such as prompts of 'inner foot bearing', 'outer foot bearing', 'center of gravity is back', and training data of sliding speed, gradient, turns, and the like, so that an athlete can intuitively review and analyze the motion of the athlete after the sliding gap or the training is finished.
  4. 4. The multi-dimensional motion capturing bracelet and foot ring combination apparatus of claim 1 wherein said left and right bracelet bodies (1, 28) are worn by first and second wristband bands (27, 28), said left and right foot ring bodies are worn by first and second straps, and said first and second straps are elastically adjustable ski suit drift-bolt straps. The rivet-penetrating binding band can be tightly fixed on a ski boot, so that the foot ring main body is ensured not to shift or fall off in severe movement, and the stability of data acquisition is ensured.
  5. 5. The multi-dimensional capturing bracelet and foot ring combined device for skiing professional actions according to claim 1, wherein the shells of the left bracelet main body (1), the right bracelet main body, the left foot ring main body and the right foot ring main body are made of light high-strength engineering plastics or magnesium aluminum alloy and have IP 68-level waterproof and dustproof performances. The lightweight design reduces the burden of athletes, high-strength materials resist collision, and excellent waterproof performance ensures that the equipment works normally in rainy and snowy weather and snowy environments.
  6. 6. The skiing professional action multi-dimensional capturing bracelet and foot ring combination device according to claim 1 is characterized by further comprising a data analysis terminal, wherein the data analysis terminal is connected with a main control chip (21) in the left bracelet main body (1) through a wireless network. The data analysis terminal (31) is a mobile phone, a tablet or a computer used by a coach, and is used for receiving multidimensional data integrated by the main control chip (21), performing professional analysis, playback and storage in the forms of three-dimensional animation, graphs and the like, and realizing real-time synchronization and remote guidance of data between the coach and the athlete.
  7. 7. The multi-dimensional capturing bracelet and foot ring combination device for skiing professional actions according to claim 1, wherein the main control chip (21) is internally provided with an action recognition algorithm, and can automatically recognize and distinguish basic skiing actions according to synchronous data of four inertial measurement units.
  8. 8. The multi-dimensional capturing bracelet and foot ring combination device for skiing major actions according to claim 1, wherein the vibration motor is electrically connected with the main control chip (21), and when the main control chip (21) analyzes that the action of a certain limb exceeds a preset standard threshold, the vibration motor at a corresponding position is triggered to emit vibration with specific frequency and duration so as to remind an athlete to correct in real time.
  9. 9. A multi-dimensional capturing bracelet and foot ring combination apparatus for skiing professional movements according to claim 1 wherein the left bracelet body (1), right bracelet body, left foot ring body and right foot ring body are each internally integrated with a rechargeable lithium battery (22) and are charged through a first charging contact (23), a second charging contact (24), a third charging contact (25) and a fourth charging contact (26) arranged on the housing.
  10. 10. The multi-dimensional motion capture bracelet and foot ring combination apparatus of claim 9 further comprising a wireless charging cradle adapted to receive a plurality of charging contacts. All the hand rings and the foot rings can be uniformly placed on the wireless charging seat to be charged simultaneously in a non-use state, so that the full-power standby of the equipment at any time is ensured, and the charging management is simplified.

Description

Multi-dimensional capturing bracelet and foot ring combined equipment for skiing professional actions Technical Field The application relates to the technical field of skiing training auxiliary equipment, in particular to multi-dimensional capturing bracelet and foot ring combined equipment for skiing professional actions. Background With the popularity of skiing and the increasing level of athletic activity, there is an increasing need for accurate capture and analysis of motion gestures by skiers and fans. Skiing is a sport with extremely high requirements on technical actions, and the sliding speed and safety can be directly influenced by small changes of gravity center shifting, limb swinging, rotation angle and the like of athletes. At present, the existing skiing training auxiliary equipment mostly adopts a single sensor or simple wearing equipment, such as a smart watch or a motion camera, so that the multi-dimensional motion data of the limbs are difficult to synchronously capture, and the accurate restoration of the whole body motion cannot be realized. Some high-end devices have motion capture functions, but are bulky, heavy, not suitable for long-term wear, and difficult to work stably under extreme weather conditions (e.g., low temperatures, rain and snow). In addition, the existing equipment lacks a real-time feedback mechanism, so that the athlete can not correct the false action in time in the training process, and the training effect is affected. Therefore, there is a need for a skiing motion capture device with light weight, high precision, and real-time feedback to solve the problems of the prior art. Disclosure of Invention The application provides a skiing professional action multi-dimensional capturing bracelet and foot ring combination device, which integrates a high-precision inertial measurement unit and a real-time feedback module at a limb key point to realize synchronous acquisition, analysis and correction of action data, and effectively solves the problems in the background technology. The technical scheme includes that the skiing professional action multi-dimensional capturing bracelet and foot ring combined equipment comprises a left bracelet main body and a right bracelet main body which are respectively worn on a left wrist and a right wrist of a user, the left bracelet main body and the right bracelet main body are respectively worn on a left ankle and a right ankle of the user, inertial measurement units for capturing three-dimensional space motion data in real time are integrated in the left bracelet main body, the right bracelet main body, the left bracelet main body and the right bracelet main body, flexible display screens for displaying motion data and motion gestures are arranged on the bracelet main body and the foot ring main body, vibration motors for providing tactile feedback are arranged in the bracelet main body and the foot ring main body, bluetooth modules for wireless data transmission are arranged in the bracelet main body and the foot ring main body, a master control chip is further arranged in the left bracelet main body and is in wireless connection with second Bluetooth modules, third Bluetooth modules and fourth Bluetooth modules in the left bracelet main body and the right bracelet main body to receive four-dimensional motion data, and multiple motion point positions are generated synchronously. According to the scheme, the data are synchronously collected through the limbs, and the gravity center change, the limb angle and the rotation track of a skier can be accurately restored by combining with the fusion processing of the main control chip, so that scientific basis is provided for training. Further, the inertial measurement unit is a six-axis or nine-axis sensor, and is integrated with a three-axis accelerometer, a three-axis gyroscope and an optional three-axis magnetometer. By adopting the high-precision nine-axis sensor, the acceleration, angular velocity and direction information of the limbs in high-speed movement can be more accurately captured, and the accumulated error caused by a single sensor is effectively eliminated, so that the motion capturing precision is improved, and the gravity center transfer, the limb swing and the rotation angle of a skier are truly restored. Further, the flexible display screen is an OLED or electronic ink screen. The flexible display screen with low power consumption can display the motion gesture of the current limb in real time, such as prompts of 'inner foot bearing', 'outer foot bearing', 'center of gravity is back', and training data of sliding speed, gradient, turns, and the like, so that an athlete can intuitively review and analyze the motion of the athlete after the sliding gap or the training is finished. Further, the left bracelet body and the right bracelet body are worn through the first watchband and the second watchband, the left foot bracelet body and the right foot bracelet body are worn th