CN114748845A - Hand-off detection system and method for strength training fitness equipment - Google Patents
Hand-off detection system and method for strength training fitness equipment Download PDFInfo
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- CN114748845A CN114748845A CN202210101751.7A CN202210101751A CN114748845A CN 114748845 A CN114748845 A CN 114748845A CN 202210101751 A CN202210101751 A CN 202210101751A CN 114748845 A CN114748845 A CN 114748845A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/40—Acceleration
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/02—Testing, calibrating or measuring of equipment
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- Physical Education & Sports Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a system and a method for detecting the hand release of a strength training body builder, which comprises a body builder and a body builder handle, wherein the body builder is connected with the body builder handle through a rope; the body-building trainer is used for receiving the movement speed data and the heart rate data detected by the handle of the body-building trainer in real time, and calculating the acceleration data of the handle of the body-building trainer according to the received movement speed data, and the invention has the advantages that: according to the invention, the negative acceleration detection module is arranged to detect whether the handle of the fitness trainer generates negative acceleration, so that the handle of the fitness trainer is rapidly controlled according to the judgment result, and misjudgment caused by directly detecting the movement speed of the handle of the fitness trainer according to the movement speed detection module is avoided, thus the accuracy of the detection of the hands-off is improved, and the safety of fitness is improved.
Description
Technical Field
The invention relates to the technical field of hand-off detection of strength training fitness equipment, in particular to a hand-off detection system and method for the strength training fitness equipment.
Background
The traditional strength training body builder generates strength through the counterweight plate, and the handle of the instrument can be accelerated uncontrollably when the user takes off the hand, so that the traditional strength training body builder is very dangerous.
The traditional hand-off protection has two schemes 1, and whether the hand-off happens is judged by detecting the speed or acceleration of a handle; 2. whether the handle is out of hand or not is detected through an external handle sensor. While solution 1 is prone to false positives and solution 2 adds additional cost.
Compared with the scheme 1, the acceleration detection device has the advantage that the acceleration of the handle is detected through the sensor, and the difference is that an additional excitation signal is generated by adjusting the output torque of the motor under the condition that the hand-off is possible, so that whether the hand-off occurs or not is judged.
Disclosure of Invention
The present invention is directed to a system and method for detecting a hand-off of a strength training exercise machine, so as to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a hand-off detection system for a strength training exerciser comprises the strength training exerciser and an exercise exerciser handle, wherein the exercise trainer is connected with the exercise exerciser handle through a rope, and a movement speed detection module and a heart rate detection module are arranged inside the exercise trainer handle;
The fitness trainer is used for receiving the movement speed data and the heart rate data detected by the handle of the fitness trainer in real time, calculating the acceleration data of the handle of the fitness trainer according to the received movement speed data, judging the acceleration data and judging the physical and mental conditions of a user according to the received heart rate data;
the movement speed detection module is used for detecting the movement speed data of the handle of the fitness trainer in real time, transmitting the detected movement speed data to the fitness trainer in real time and receiving an instruction sent by the fitness trainer;
the heart rate detection module is used for detecting the real-time heart rate of the user and transmitting the detected real-time heart rate data of the user to the fitness trainer;
the heart rate detection module comprises a detection data receiving submodule, a detection data comparing submodule, a detection data storage submodule and a detection data transmission submodule;
the detection data receiving submodule is used for receiving the real-time heart rate data of the user detected by the heart rate detection module, transmitting the received real-time heart rate data to the detection data comparison submodule and transmitting the real-time heart rate data to the detection data storage submodule;
The detection data comparison submodule is used for receiving the real-time heart rate data transmitted by the detection data receiving submodule, comparing the received real-time heart rate data with the previously received real-time heart rate data to obtain a comparison result, transmitting the comparison result to the detection data storage submodule for backup, and transmitting the comparison result to the detection data transmission submodule;
the detection data storage submodule is used for storing and backing up the real-time heart rate data transmitted by the detection data receiving submodule and also used for storing and backing up a comparison result obtained by the detection data comparison submodule;
the detection data transmission submodule is used for receiving the comparison result obtained by the detection data comparison submodule and transmitting the comparison result to the fitness trainer.
Preferably, a judging unit, a microcontroller, a driving motor, a speed calculating module and a second timing module are arranged inside the fitness trainer, the microcontroller is electrically connected with the judging unit in a bidirectional mode, the microcontroller is electrically connected with the driving motor in a bidirectional mode, the output end of the speed calculating module is electrically connected with the input end of the microcontroller, and the output end of the second timing module is electrically connected with the input end of the speed calculating module.
Preferably, the microcontroller is configured to receive a calculation result of the speed calculation module, transmit the calculation result to the determination unit, receive a determination result of the determination unit, send an operation instruction to the driving motor according to the determination result, receive an inspection result of the driving motor, and receive a comparison result transmitted by the heart rate detection module;
the judgment unit is used for receiving the calculation result transmitted by the microcontroller, making judgment according to the received calculation result and transmitting the judgment result to the microcontroller;
the driving motor is used for receiving an instruction output by the microcontroller, controlling the movement speed of the handle of the fitness trainer according to the instruction, detecting the negative acceleration of the handle of the fitness trainer and transmitting the detection result to the microcontroller;
the speed calculation module is used for receiving the movement speed data of the handle of the fitness trainer in real time and receiving the time data of the second timing module, calculating the acceleration of the handle of the fitness trainer according to the movement speed data of the handle of the fitness trainer and the time data of the second timing module, and transmitting the acceleration data to the microcontroller;
The second timing module is used for detecting the movement time of the handle of the fitness training device and transmitting the detected time data to the speed calculation module.
Preferably, the judging unit includes a motion speed judging module and an acceleration judging module.
Preferably, the movement speed judging module is used for receiving the movement speed data of the handle of the fitness trainer, which is transmitted by the microcontroller, judging the movement speed data of the handle of the fitness trainer and obtaining a judging result;
the acceleration judging module is used for receiving the calculation result transmitted by the microcontroller, judging the acceleration of the handle of the fitness trainer and obtaining a judging result at the same time.
Preferably, the driving motor comprises a negative acceleration detection module and a first timing module.
Preferably, the negative acceleration detection module is used for detecting the negative acceleration of the handle of the fitness trainer and obtaining a detection result;
the first timing module is used for detecting the overspeed time of the handle of the fitness trainer, transmitting the overspeed time of the handle of the fitness trainer to the speed calculation module and performing acceleration calculation by matching with the speed calculation module.
Preferably, the output end of the driving motor is bidirectionally connected with the handle of the body-building training device.
A hand-off detection method for a strength training fitness machine comprises the following steps:
And 2, if the speed of the handle exceeds a threshold value Q1 and the acceleration exceeds a threshold value Q2, judging that the handle is likely to be released, and entering the use state from the normal state S0 to the pre-protection state S1.
And 4, if the protection state is not exited after the time of the step 3 is exceeded, actively adjusting the output torque of the motor by the microcontroller to enable the movement speed of the handle to exceed the common highest movement speed v1, and simultaneously detecting whether the negative acceleration exceeds a threshold value a0 in the process. If the speed exceeds the threshold value, no release occurs, the speed limit is lowered to v1, and the state is restored to S0. Otherwise, judging that the hands are out of order and immediately entering a protection state.
And 5, after entering the protection state, rapidly decelerating the motor until the speed is 0, and then entering a passive damping mode.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the negative acceleration detection module is arranged to detect whether the fitness trainer handle generates negative acceleration, so that the fitness trainer handle is rapidly controlled according to the judgment result, and misjudgment caused by directly detecting the movement speed of the fitness trainer handle according to the movement speed detection module is avoided, thus the accuracy of the detection of the hand-off is improved, and the safety of fitness is improved.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a graph illustrating the determination of the handle speed of the exercise device of the present invention;
fig. 3 is a diagram of a heart rate monitoring module of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a hand-off detection system for a strength training fitness device comprises the fitness training device and a fitness training device handle, wherein the fitness training device is connected with the fitness training device handle through a rope, and a movement speed detection module and a heart rate detection module are arranged inside the fitness training device handle;
The fitness trainer is used for receiving the movement speed data and the heart rate data detected by the handle of the fitness trainer in real time, calculating the acceleration data of the handle of the fitness trainer according to the received movement speed data, judging the acceleration data, and judging the physical and mental conditions of a user according to the received heart rate data, so that the state of the handle of the fitness trainer can be accurately judged;
the movement speed detection module is used for detecting the movement speed data of the handle of the fitness trainer in real time, transmitting the detected movement speed data to the fitness trainer in real time, and receiving an instruction sent by the fitness trainer, so that the speed of the handle of the fitness trainer can be accurately detected;
the heart rate detection module is used for detecting the real-time heart rate of the user and transmitting the detected real-time heart rate data of the user to the fitness trainer;
the heart rate detection module comprises a detection data receiving submodule, a detection data comparing submodule, a detection data storage submodule and a detection data transmission submodule;
the detection data receiving submodule is used for receiving the real-time heart rate data of the user detected by the heart rate detection module, transmitting the received real-time heart rate data to the detection data comparison submodule and transmitting the real-time heart rate data to the detection data storage submodule;
The detection data comparison submodule is used for receiving the real-time heart rate data transmitted by the detection data receiving submodule, comparing the received real-time heart rate data with the previously received real-time heart rate data to obtain a comparison result, transmitting the comparison result to the detection data storage submodule for backup, and transmitting the comparison result to the detection data transmission submodule;
the detection data storage submodule is used for storing and backing up the real-time heart rate data transmitted by the detection data receiving submodule and also used for storing and backing up a comparison result obtained by the detection data comparison submodule;
the detection data transmission submodule is used for receiving the comparison result obtained by the detection data comparison submodule and transmitting the comparison result to the fitness trainer.
Wherein, body-building training ware's inside is equipped with judges unit, microcontroller, driving motor, speed calculation module and No. two timing modules, microcontroller with judge the two-way electric connection of unit, microcontroller with the two-way electric connection of driving motor, the output of speed calculation module with microcontroller's input electric connection, the output of No. two timing modules with the input electric connection of speed calculation module, the accurate control body-building training ware handle of body-building training ware of being convenient for.
The microcontroller is used for receiving the calculation result of the speed calculation module, transmitting the calculation result to the judgment unit, receiving the judgment result of the judgment unit, sending an operation instruction to the driving motor according to the judgment result, receiving the inspection result of the driving motor, and receiving the comparison result transmitted by the heart rate detection module, so that various instructions can be better sent and data can be better transmitted;
the judging unit is used for receiving the calculation result transmitted by the microcontroller, making a judgment according to the received calculation result and transmitting the judgment result to the microcontroller, so that the speed of the handle of the fitness trainer can be quickly judged conveniently;
the driving motor is used for receiving the instruction output by the microcontroller, controlling the movement speed of the handle of the fitness trainer according to the instruction, detecting the negative acceleration of the handle of the fitness trainer and transmitting the detection result to the microcontroller, so that the negative acceleration of the handle of the fitness trainer can be conveniently detected, and the handle of the fitness trainer can be decelerated;
The speed calculation module is used for receiving the movement speed data of the handle of the fitness trainer in real time and receiving the time data of the second timing module, calculating the acceleration of the handle of the fitness trainer according to the movement speed data of the handle of the fitness trainer and the time data of the second timing module, and transmitting the acceleration data to the microcontroller, so that the acceleration of the handle of the fitness trainer can be calculated conveniently;
the second timing module is used for detecting the movement time of the handle of the fitness trainer and transmitting the detected time data to the speed calculation module, so that the movement time of the handle of the fitness trainer can be accurately detected.
The judging unit comprises a motion speed judging module and an acceleration judging module.
The motion speed judging module is used for receiving the motion speed data of the fitness trainer handle transmitted by the microcontroller, judging the motion speed data of the fitness trainer handle and obtaining a judging result at the same time, so that the motion speed of the fitness trainer handle can be quickly judged;
the acceleration judging module is used for receiving the calculation result transmitted by the microcontroller, judging the acceleration of the handle of the fitness trainer and obtaining a judging result, so that the acceleration of the handle of the fitness trainer can be quickly judged.
The driving motor comprises a negative acceleration detection module and a first timing module.
The negative acceleration detection module is used for detecting the negative acceleration of the handle of the fitness trainer and obtaining a detection result, so that the negative acceleration of the handle of the fitness trainer can be rapidly detected;
the first timing module is used for detecting the overspeed time of the handle of the body-building trainer, transmitting the overspeed time of the handle of the body-building trainer to the speed calculation module, and performing acceleration calculation by matching with the speed calculation module, so that the overspeed time after the handle of the body-building trainer is overspeed can be monitored conveniently.
Wherein, the output end of the driving motor is bidirectionally connected with the handle of the body-building training device.
A hand-off detection method for a strength training fitness machine comprises the following steps:
And 2, if the speed of the handle exceeds a threshold value Q1 and the acceleration exceeds a threshold value Q2, judging that the handle is likely to be released, and entering the use state from the normal state S0 to the pre-protection state S1.
And 4, if the protection state is not exited after the time of the step 3 is exceeded, actively adjusting the output torque of the motor by the microcontroller to enable the movement speed of the handle to exceed the common highest movement speed v1, and simultaneously detecting whether the negative acceleration exceeds a threshold value a0 in the process. If the speed exceeds the threshold value, no release occurs, the speed limit is lowered to v1, and the state is restored to S0. Otherwise, judging that the hands are out of order and immediately entering a protection state.
And 5, after entering the protection state, rapidly decelerating the motor until the speed is 0, and then entering a passive damping mode.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A hand-off detection system for a strength training fitness device comprises the fitness training device and a fitness training device handle, and is characterized in that the fitness training device is connected with the fitness training device handle through a rope, and a movement speed detection module and a heart rate detection module are arranged inside the fitness training device handle;
The fitness trainer is used for receiving the movement speed data and the heart rate data detected by the handle of the fitness trainer in real time, calculating the acceleration data of the handle of the fitness trainer according to the received movement speed data, judging the acceleration data and judging the physical and mental conditions of a user according to the received heart rate data;
the movement speed detection module is used for detecting the movement speed data of the handle of the fitness trainer in real time, transmitting the detected movement speed data to the fitness trainer in real time and receiving an instruction sent by the fitness trainer;
the heart rate detection module is used for detecting the real-time heart rate of the user and transmitting the detected real-time heart rate data of the user to the fitness trainer;
the heart rate detection module comprises a detection data receiving submodule, a detection data comparing submodule, a detection data storage submodule and a detection data transmission submodule;
the detection data receiving submodule is used for receiving the real-time heart rate data of the user detected by the heart rate detection module, transmitting the received real-time heart rate data to the detection data comparison submodule and transmitting the real-time heart rate data to the detection data storage submodule;
The detection data comparison submodule is used for receiving the real-time heart rate data transmitted by the detection data receiving submodule, comparing the received real-time heart rate data with the previously received real-time heart rate data to obtain a comparison result, transmitting the comparison result to the detection data storage submodule for backup, and transmitting the comparison result to the detection data transmission submodule;
the detection data storage submodule is used for storing and backing up the real-time heart rate data transmitted by the detection data receiving submodule and also used for storing and backing up a comparison result obtained by the detection data comparison submodule;
the detection data transmission submodule is used for receiving the comparison result obtained by the detection data comparison submodule and transmitting the comparison result to the fitness trainer.
2. The system of claim 1, wherein the hand drop detection system comprises: body-building training ware's inside is equipped with judgement unit, microcontroller, driving motor, speed calculation module and No. two timing modules, microcontroller with judge the two-way electric connection of unit, microcontroller with the two-way electric connection of driving motor, the output of speed calculation module with microcontroller's input electric connection, the output of No. two timing modules with the input electric connection of speed calculation module.
3. The system of claim 2, wherein the hand drop detection system comprises: the microcontroller is used for receiving the calculation result of the speed calculation module, transmitting the calculation result to the judgment unit, receiving the judgment result of the judgment unit, sending an operation instruction to the driving motor according to the judgment result, receiving the inspection result of the driving motor and receiving the comparison result transmitted by the heart rate detection module;
the judgment unit is used for receiving the calculation result transmitted by the microcontroller, making judgment according to the received calculation result and transmitting the judgment result to the microcontroller;
the driving motor is used for receiving an instruction transmitted by the microcontroller, controlling the movement speed of the handle of the fitness trainer according to the instruction, detecting the negative acceleration of the handle of the fitness trainer and transmitting a detection result to the microcontroller;
the speed calculation module is used for receiving the movement speed data of the handle of the fitness trainer in real time, receiving the time data of the second timing module, calculating the acceleration of the handle of the fitness trainer according to the movement speed data of the handle of the fitness trainer and the time data of the second timing module, and transmitting the acceleration data to the microcontroller;
The second timing module is used for detecting the movement time of the handle of the fitness training device and transmitting the detected time data to the speed calculation module.
4. The system of claim 1, wherein the hand drop detection system comprises: the judging unit comprises a motion speed judging module and an acceleration judging module.
5. The system of claim 4, wherein the hand drop detection system comprises: the movement speed judging module is used for receiving the movement speed data of the handle of the fitness trainer, which is transmitted by the microcontroller, judging the movement speed data of the handle of the fitness trainer and obtaining a judging result at the same time;
the acceleration judging module is used for receiving the calculation result transmitted by the microcontroller, judging the acceleration of the handle of the fitness trainer and obtaining a judging result at the same time.
6. The hands-off detection system for a strength training exercise machine of claim 4, wherein: the driving motor comprises a negative acceleration detection module and a first timing module.
7. The hands-off detection system for a strength training exercise machine of claim 1, wherein: the negative acceleration detection module is used for detecting the negative acceleration of the handle of the fitness trainer and obtaining a detection result;
The first timing module is used for detecting the overspeed time of the handle of the fitness trainer, transmitting the overspeed time of the handle of the fitness trainer to the speed calculation module and performing acceleration calculation by matching with the speed calculation module.
8. The hands-off detection system for a strength training exercise machine of claim 7, wherein: the output end of the driving motor is bidirectionally connected with the handle of the body-building training device.
9. A hand-off detection method for a strength training fitness machine is characterized by comprising the following steps: the method comprises the following steps:
step 1, setting a common highest movement speed v1 for the handle, wherein the speed is less than the highest operation speed v _ max which can be generated by the motor, and v _ max-v1 is greater than a reserved speed va.
And 2, if the speed of the handle exceeds a threshold value Q1 and the acceleration exceeds a threshold value Q2, judging that the handle is likely to be released, and entering the use state from the normal state S0 to the pre-protection state S1.
Step 3, continuing for a period of time, usually 10-300ms, in the state of S1, if a negative acceleration is generated, exiting from the state of S1, and returning to the state of S0.
And 4, if the protection state is not exited after the time of the step 3 is exceeded, actively adjusting the output torque of the motor by the microcontroller to enable the movement speed of the handle to exceed the common highest movement speed v1, and simultaneously detecting whether the negative acceleration exceeds a threshold value a0 in the process. If the speed exceeds the threshold value, no release occurs, the speed limit is lowered to v1, and the state is restored to S0. Otherwise, judging that the hands are out of order and immediately entering a protection state.
And 5, after entering the protection state, rapidly decelerating the motor until the speed is 0, and then entering a passive damping mode.
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| CN202210101751.7A CN114748845B (en) | 2022-01-27 | 2022-01-27 | System and method for detecting hand-off of strength training body-building device |
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| CN112891825A (en) * | 2021-01-25 | 2021-06-04 | 东华理工大学 | Protection device for fitness barbell exercise |
| CN113018799A (en) * | 2021-04-26 | 2021-06-25 | 深圳速境生活科技有限公司 | Method and terminal for realizing strength training |
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| CN107837487A (en) * | 2017-11-29 | 2018-03-27 | 佛山市神风航空科技有限公司 | A kind of combined intelligent exercising apparatus |
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