CN-224220141-U - Backstroke head rotation angle detection equipment based on gyroscope sensor

Abstract

The utility model belongs to swimming auxiliary equipment, and discloses a backstroke head rotation angle detection device based on a gyroscope sensor, which comprises a fixing device; the device comprises a fixing device, a detection control device and a control device, wherein the fixing device is connected with the fixing device into a whole, the fixing device is used for fixing the detection control device on the head of a swimmer, and the control device comprises a gyroscope sensor, a Bluetooth module, a vibration module, a power module and an upper computer. The utility model adopts the high-precision gyroscope sensor to realize accurate monitoring of the head rotation angle, has the characteristics of simple structure and low cost, simultaneously has the characteristics of small, light, waterproof and vibration-proof design, ensures wearing comfort and adapts to the backstroke sport technology, and can vibrate a vibration module when detecting that the head rotation angle of the athlete exceeds a preset value.

Inventors

• DING MENGQI
• HU JINYANG
• ZHAO ZIMING
• LU BOMING
• GAO MINGYANG

Assignees

• 大连理工大学

Dates

Publication Date

20260512

Application Date

20250528

Claims (8)

1. 1. The backstroke head rotation angle detection device based on the gyroscope sensor is characterized by comprising a fixing device, a detection control device and a control device, wherein the detection control device is connected with the fixing device into a whole; The fixing device is used for fixing the detection control device on the head of the swimmer; The control device comprises a gyroscope sensor, a Bluetooth module, a vibration module, a power module and an upper computer, wherein the gyroscope sensor is used for detecting the rotation angle data of the backstroke head of an athlete; The Bluetooth module is used for receiving the rotation angle data detected by the gyroscope sensor and directly transmitting the rotation angle data to the upper computer by utilizing a Bluetooth communication mode; The vibration module is used for initiating vibration when receiving a high-level signal sent by the gyroscope sensor and reminding an athlete to pay attention to technical actions; The power supply module adopts a rechargeable battery to supply power to the detection control device; the upper computer receives the rotation angle data transmitted by the Bluetooth module, and the upper computer sets the maximum rotation angle value of the high-level signal sent by the gyroscope module.
2. 2. The gyroscope sensor-based backstroke head rotation angle detection device according to claim 1, wherein the fixing device comprises a head fixing belt, and two ends of the head fixing belt are connected with the detection control device through buckles to form an integrated structure.
3. 3. A gyrosensor-based backstroke head turning angle detection apparatus as claimed in claim 1 or 2, wherein said detection control means is located on the forehead of the swimmer.
4. 4. The backstroke head rotation angle detection device according to claim 1 or 2, wherein the gyro sensor is used for detecting the angular velocity change of the backstroke head in real time to obtain rotation angle data of the backstroke head and transmitting the rotation angle data to the bluetooth module, and meanwhile, the gyro sensor judges whether the rotation angle of the backstroke head exceeds a maximum rotation angle value set by the upper computer, and if the rotation angle exceeds the maximum rotation angle value, the gyro module sends a high-level signal to the vibration module to excite the vibration module to vibrate.
5. 5. The backstroke head rotation angle detection device according to claim 1 or 2, wherein the detection control device further comprises a storage module, and the storage module is used for storing the collected rotation angle data in a built-in memory card.
6. 6. A backstroke head rotation angle detection apparatus according to claim 1 or 2, wherein said power supply module is powered by a 3.7V rechargeable battery.
7. 7. A backstroke head rotation angle detection apparatus according to claim 1 or 2, wherein the outer side of said detection control means is provided with a housing.
8. 8. A backstroke head rotation angle detection apparatus according to claim 1 or 2, wherein said backstroke head rotation angle detection apparatus further comprises a storage module for storing rotation angle data.

Description

Backstroke head rotation angle detection equipment based on gyroscope sensor Technical Field The utility model belongs to swimming auxiliary equipment, and relates to backstroke head rotation angle detection equipment based on a gyroscope sensor. Background Backstroke is a swimming gesture with high technical requirements, and the position of the head of an athlete needs to be kept relatively stable in a competition so as to reduce water resistance and increase speed, and meanwhile, the body muscles are controlled to cooperatively exert force. Therefore, the rotation angle of the head is critical in the backstroke process, and the overlarge rotation angle can cause unbalance of the body pose and speed reduction in the swimming process, so that the competition performance is affected. For beginners, insufficient head control capability can lead to irregular backstroke gestures, increase learning difficulty and form wrong training habits. The auxiliary equipment for backstroke training can help athletes and coaches to better solve the body position change in training, so that training postures are adjusted, and training efficiency is improved. The conventional swimming training auxiliary equipment is mainly concentrated in the biological signal fields such as speed, heart rate and the like, and the real-time monitoring equipment for the rotation angle of the head of the backstroke is still blank, and the utility model can realize the functions of real-time detection and data transmission of the rotation angle of the head in the backstroke advancing process, so that the problem of the deficiency of similar products is solved. The utility model realizes the function of monitoring the head corner in the backstroke travel process in a low-cost, timely, high-reliability and high-interference-resistance mode by means of detecting the angle in real time by the gyroscope sensor. The gyroscope is a precise angular velocity sensor, can capture the rotation angle change of the head of the athlete in real time, has the advantages of small volume, low cost, quick response and the like, and is very suitable for being used as auxiliary equipment for swimming training. However, there is currently no example of application of gyroscopes in this field. Therefore, the backstroke head rotation angle monitoring equipment based on the gyroscope is developed, so that the backstroke head rotation angle monitoring equipment not only can help athletes optimize technical actions, but also can improve training efficiency of beginners, and has important practical application value and market potential. The utility model aims to provide practical and portable head rotation angle monitoring equipment, which realizes real-time monitoring and feedback of head posture in the backstroke process by integrating a gyroscope and a wireless data transmission module and provides scientific basis for swimmer training and competition. Disclosure of utility model The utility model provides a gyroscope-based backstroke head rotation angle monitoring device which is simple in structure and small in size, can accurately monitor the head rotation angle of an athlete in the backstroke process in real time, reminds the athlete of the head angle through vibration, transmits data to a terminal device in a wireless mode, provides instant feedback for a coach, and optimizes technical actions. The technical scheme of the utility model is as follows: a gyrosensor-based backstroke head rotation angle detection apparatus, comprising: The detection control device is connected with the fixing device into a whole; The fixing device is used for fixing the detection control device on the head of the swimmer; The control device comprises a gyroscope sensor, a Bluetooth module, a vibration module, a power module and an upper computer; the gyroscope sensor is used for detecting rotation angle data of the backstroke head of the athlete; The Bluetooth module is used for receiving the rotation angle data detected by the gyroscope sensor and directly transmitting the rotation angle data to the upper computer by utilizing a Bluetooth communication mode; The vibration module is used for initiating vibration when receiving a high-level signal sent by the gyroscope sensor and reminding an athlete to pay attention to technical actions; The power supply module adopts a rechargeable battery to supply power to the detection control device; the upper computer receives the rotation angle data transmitted by the Bluetooth module, and the upper computer sets the maximum rotation angle value of the high-level signal sent by the gyroscope module. Further, the fixing device comprises a head fixing belt, and two ends of the head fixing belt are connected with the detection control device through buckles to form an integrated structure. Further, the detection control device is positioned on the forehead of the swimmer. And meanwhile, the gyroscope sensor judges whether the rotation angle of the