CN113230579A - Resistance automatic regulating system and intelligent body-building equipment for intelligence body-building - Google Patents
Resistance automatic regulating system and intelligent body-building equipment for intelligence body-building Download PDFInfo
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- CN113230579A CN113230579A CN202110582051.XA CN202110582051A CN113230579A CN 113230579 A CN113230579 A CN 113230579A CN 202110582051 A CN202110582051 A CN 202110582051A CN 113230579 A CN113230579 A CN 113230579A
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/005—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
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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
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/22—Resisting devices with rotary bodies
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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
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
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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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- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
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Abstract
The invention provides an automatic resistance adjusting system for intelligent fitness and intelligent fitness equipment, wherein the automatic resistance adjusting system sends different control instructions to a main controller by selecting different resistance change schemes by a user, simultaneously detects the stretching state of a force arm in real time through a linear displacement sensor, transmits stretching state data to the main controller, the main controller sends PWM (pulse-width modulation) control signals in real time according to the control instructions and the stretching state, and the PWM control signals are transmitted to an electromagnetic damping device after being transformed by a resistance control assembly to adjust the resistance of the stretching arm for the fitness in real time, so that an iron adding or iron reducing mode in a fitness room is simulated. The single nature of the resistance of tempering in the past has been improved, has changed simultaneously and has needed manual increase or reduce the gravity piece and change the inconvenient part of resistance size to make the arm strength temper more diversified, it is more convenient to use simultaneously.
Description
Technical Field
The invention relates to a resistance automatic adjusting system applied to intelligent fitness and intelligent fitness equipment.
Background
The traditional fitness service state takes a gymnasium as a main operation place. The current gymnasium operating mode has a lot of problems such as high place lease expense, large equipment investment and high mobility of fitness coaches. Until now in 2020, with the outbreak and spread of new crown epidemic situation in the world, gymnasiums face new challenges of personnel centralization, time immobilization and the like. In this context, intelligent fitness is gradually receiving attention from ordinary consumers. The intelligent fitness takes a family as a main scene, and provides a new fitness service form of intellectualization, fragmentation, entertainment and internet for common consumers. In the body-building strength training, the increase or decrease of the iron blocks (barbell plates) needs manual replacement, and the operation is troublesome.
In view of the above, how to achieve automatic adjustment of exercise resistance is a technical problem to be solved in the art.
Disclosure of Invention
The invention aims to provide an automatic resistance adjusting system applied to intelligent fitness and intelligent fitness equipment.
The invention aims to solve the problem that the resistance of fitness needs to be manually adjusted in fitness strength training.
In order to solve the problems, the invention is realized by the following technical scheme:
an automatic resistance adjusting system applied to intelligent fitness comprises a fitness stretching arm, a tension detecting assembly, a control panel, a main controller, a resistance control assembly and a resistance generating assembly. The tension detection assembly is arranged on the body-building stretching arm and used for detecting the stretching state of the body-building stretching arm. The control panel is used for sending a control command, the main controller is respectively connected with the control panel and the tension detection assembly, and the main controller is used for receiving the stretching state and the control command and generating a first control signal according to the control command and the stretching state. The resistance control assembly is connected with the main controller and used for receiving the first control signal and converting the first control signal into the second control signal. The resistance generating assembly is electrically connected with the output end of the resistance control assembly and is used for receiving the second control signal and generating different resistances to the body-building stretching arm according to the second control signal; one end of the body-building stretching arm is fixedly connected with the resistance generating component.
Furthermore, the resistance control assembly comprises an optical coupler, a logic gate, a filtering unit and an operational amplification unit, wherein the optical coupler is connected with the luminous source and the main controller, the logic gate is connected with the light receiver of the optical coupler, the filtering unit is connected with the output end of the logic gate, and the operational amplification unit is connected with the filtering unit; the output end of the operational amplification circuit is connected with the resistance generation assembly, and the second control signal is sent to the resistance generation assembly.
Furthermore, the filtering unit comprises a first resistor connected with the output end of the logic gate and a first capacitor connected with the other end of the first resistor; the other end of the first resistor is connected with the operational amplification unit, and the other end of the first capacitor is grounded.
Furthermore, the operational amplification unit comprises an operational amplifier with a homodromous input end connected with the first resistor, a first switching tube with a base connected with the output end of the operational amplifier, and a second switching tube with a base connected with the emitter of the first switching tube; the resistance generation assembly is respectively connected with the collectors of the first switch tube and the second switch tube, the emitter of the second switch tube is connected with the second resistor in series and then grounded, and the second switch tube is connected with the reverse input end of the operational amplifier; the first switch tube and the second switch tube are triodes.
Further, the resistance generating assembly is an electromagnetic damping device, and the electromagnetic damping device provides electromagnetic damping control for the exercise telescopic arm according to a second control signal.
Further, the electromagnetic damping device comprises a magnetic powder brake and a rotating disk connected with the magnetic powder brake; the resistance generating assembly generates different electromagnetic damping according to the second control signal so as to control the locking force and the torque of the rotating disc; wherein the body-building stretching arm is connected with the rotating disc.
Further, the logic gate is a not gate.
Further, the tension detection assembly is a linear displacement sensor.
Further, the stretched state includes a gyrating or stretched state and a stretched length.
An intelligent fitness device comprises the automatic resistance adjusting system applied to intelligent fitness.
Compared with the prior art, the technical scheme and the beneficial effects of the invention are as follows:
the intelligent resistance automatic adjusting system for body building sends different control instructions to the main controller through a user, simultaneously detects the stretching state of the force arm in real time through the linear displacement sensor, transmits stretching state data to the main controller, the main controller sends PWM control signals in real time according to the control instructions and the stretching state, and the PWM control signals are transmitted to the electromagnetic damping device after being transformed by the resistance control assembly to adjust the resistance of the stretching arm for body building in real time, so that the iron adding or iron reducing mode in a body building is simulated. The single property of the resistance of the previous exercise is improved, and the inconvenience that the gravity blocks need to be manually increased or decreased to change the resistance is changed.
Drawings
FIG. 1 is a block diagram of an automatic resistance adjustment system for intelligent fitness according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a resistance control assembly provided by an embodiment of the present invention;
fig. 3 is a structural diagram of an intelligent fitness device according to an embodiment of the invention.
Illustration of the drawings:
an optical coupler-100; a logic gate-200; a filtering unit-300; an operational amplification unit-400;
a fuselage-1; 2-a display screen; an angle adjuster-3; a rotating disc 4; a magnetic powder brake-5; a linear displacement sensor-6; a straight cylinder-7; a pull rope-8; a handle-9; and a control main board-10.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
Example one
Referring to fig. 1, an automatic resistance adjusting system applied to intelligent fitness comprises a fitness stretching arm, a tension detection assembly, a control panel, a master controller, a resistance control assembly and a resistance generation assembly. The control panel, the tension detection assembly and the resistance control assembly are connected with the main controller, and the resistance control assembly is connected with the resistance generation assembly. One end of the body-building stretching arm is fixed on the resistance generation component, one end of the tension detection component is fixed on the body-building stretching arm, and the other end of the tension detection component is fixed on the fixed point of the resistance generation component, so that when a user pulls the body-building stretching arm, the tension detection component can immediately sense the stretching state of the body-building stretching arm.
The user sends control command to the master controller through control panel, and tensile force detection subassembly sends the tensile state of the tensile arm of body-building to the master controller, and real-time first control signal is produced according to control command and real-time tensile state to main control sends first control signal to the resistance control subassembly, and the resistance control subassembly sends the second control signal to the tensile arm of body-building, thereby the control resistance produces the tensile arm of body-building of subassembly relative body-building and produces different resistance. The main controller of the invention adopts a singlechip. The control commands are different resistance variation patterns selected by the user.
The tension detection assembly of the present embodiment employs a linear displacement sensor. When the terminal is in operation, the body-building stretching arm is always in a stretching or rotating state. The fitness stretching arm is inserted into a linear displacement sensor that senses whether the rope is in a stretched or a rotated state and measures the stretched length of the fitness stretching arm when in the stretched state. The relevant data of the stretching state of the body-building stretching arm is input into the singlechip, and the body-building stretching arm is subjected to fine, programmable and real-time resistance control. In a non-limiting example, the tension detection assembly may also be an infrared sensor for detecting a displacement of the exercise stretching arm, and when the displacement at the current time is greater than the previous time, it may be known that the exercise stretching arm is in the stretched state and the stretched length, and when the displacement at the current time is less than the displacement at the previous time, it may be known that the exercise stretching arm is in the recovery state. It is to be understood that the tension sensing assembly is not limited to the two exemplary sensors of the present invention, as long as it can sense the stretching displacement of the exercise stretching arm.
Referring to fig. 2, the resistance control assembly includes an optical coupler 100 having a light emitting source connected to a master, a logic gate 200 connected to a light receiving device of the optical coupler, a filtering unit 300 connected to an output end of the logic gate, and an operational amplifying unit 400 connected to the filtering unit. The output end of the operational amplification circuit is connected with the resistance generation assembly, and the second control signal is sent to the resistance generation assembly. The main controller sends the first control signal to the light emitting source of the optical coupler, and outputs a voltage signal to the logic gate from the light receiver part after electro-optical-electric conversion. The first control signal of this embodiment is a PWM signal sent by a PWM module of the single chip microcomputer. The optocoupler 100 achieves isolation against interference.
The filter unit 300 includes a first resistor R1 connected to the output terminal of the and logic gate 200, and a first capacitor C1 connected to the other terminal of the first resistor R1. The other end of the first resistor R1 is connected to the operational amplifier unit 400, and the other end of the first capacitor C1 is grounded. The first resistor R1 and the first capacitor C1 form an RC low-pass filter unit for filtering the electrical signal passing through the logic gate 200, which is a not gate Q1 in this embodiment.
The operational amplification unit 400 comprises an operational amplifier Q2 with a same-direction input end connected with a first resistor R1, a first switch tube Q3 with a base connected with an output end of the operational amplifier Q2, and a second switch tube Q4 with a base connected with an emitter of the first switch tube Q3. The resistance generating assembly is respectively connected with the collectors of the first switch tube Q3 and the second switch tube Q4, the emitter of the second switch tube Q4 is connected with the second resistor R2 in series and then grounded, the second switch tube Q4 is connected with the reverse input end of the operational amplifier Q2, and the first switch tube Q3 and the second switch tube Q4 are triodes. The operational amplifier Q2 amplifies the voltage signal input by the filtering unit 300 to form a second control signal, which is transmitted to the resistance generating component through the switch tube to adjust the resistance of the resistance generating component.
In this embodiment, the resistance generating assembly is an electromagnetic damping device, and the electromagnetic damping device provides electromagnetic damping control to the exercise telescopic arm according to the second control signal. Specifically, the electromagnetic damping device comprises a magnetic powder brake and a rotating disk connected with the magnetic powder brake, the magnetic powder brake takes magnetic powder as a working medium, and the mechanical retraction degree of the rotating disk, namely the holding force and the torque of the rotating disk, is controlled by damping. The output torque of the electromagnetic damping device has a good linear relation with the excitation current, and the excitation current is controlled by the second control signal and is irrelevant to the rotating speed or the slip. The PWM signal is output through the pulse width modulation function of the singlechip, the exciting current is changed through the resistance control module, so that the braking torque of the rotating disk macro is changed, and the resistance of the body-building stretching arm is finally controlled. The PWM signal of the single chip microcomputer is related to the stretching state of the body-building stretching arm, the calculation logic depends on the program control of the single chip microcomputer, and the single chip microcomputer outputs different PWM signals according to different resistance change schemes selected by a user to finish the real-time accurate control of the resistance of the body-building stretching arm. The electromagnetic damping device has the advantage of high response speed and can be widely applied to a quick working state. Meanwhile, the electromagnetic damping device has no vibration, impact and noise in the starting, moving and braking states, and can not generate negative influence on users in the using process.
When the terminal is in a non-working state, the coil is not electrified, the torrent current is 0, magnetic powder is thrown on the inner wall of the driving rotor under the action of centrifugal force, and the resistance of the body-building stretching arm is the original working resistance of the rotating shaft. After the working process is started, the main controller can give out a corresponding voltage signal according to a default resistance change scheme or a user setting state, and a standard excitation current conversion value is given out. When the power supply is switched on, an electromagnetic field is generated, the working medium magnetic powder forms a magnetic powder chain under the action of magnetic lines of force, and the inner rotary disc is connected with the outer rotary disc, so that the aim of transmitting braking torque is fulfilled. The rotating disc is a rotating shaft arranged at one end of the body-building stretching arm. The magnetic powder brake adjusts the resistance of the body-building stretching arm by controlling the torque at the rotating disc.
It can be understood that the programs generating different resistance change schemes are application programs written by program developers according to different application scenarios, and this embodiment provides several basic resistance change schemes, in which the resistance changes at a constant speed, the resistance decreases at a constant speed, the resistance is a fixed value, the resistance changes in a sinusoidal manner, and the resistance changes discretely.
The resistance is even grow, sets up the initial resistance value of the tensile arm of body-building, and the user can also set up initial resistance value by oneself through control panel, and when setting up initial resistance value and being 0, resistance value is the tensile arm resistance of original body-building, later along with the increase of user's tensile distance, then increases the range linear increase resistance value of X. In this mode, the resistance value is increased along with the increase of the stretching length of the body-building stretching arm, the user needs increasing force continuously, and when the body-building stretching arm is recovered, the resistance value is recovered to the initial setting value.
The resistance is reduced at a constant speed, an initial resistance value of the body-building stretching arm is set, and a user can also set the initial resistance value by himself through the control panel. Then, as the stretching distance of the user increases, the resistance value linearly decreases by the amplitude of X, and if the final resistance value is attenuated to 0, the magnetic powder brake will not generate extra damping, and the resistance value of the body-building stretching arm is the original body-building stretching arm resistance. In this mode, the user initially requires the greatest amount of force during extension and the assembly decreases, with the resistance value being the final attenuation value as the exercise stretching arm is retracted.
The resistance is kept constant, in this mode, the resistance value is always the initial set value during the process of stretching the resistance of the body-building stretching arm by the user, and the set value can be set by the user.
The resistance changes in a sine curve, in the mode, the initial value is also set firstly, the user can also set the resistance by himself, the resistance changes in a sine function sinx, wherein x is the stretching length of the body-building stretching arm.
Discrete change, in this mode, the change in resistance value directly uses fixed discrete value, sets different resistance values at the initial and fixed stretched length points, and the resistance value of one length point at the position of the resistance value between every two lengths is constant during stretching. The discrete value and the stretching length point can be automatically adjusted and set.
Example two
Referring to fig. 3, the present invention further provides an intelligent fitness device, which comprises the above-mentioned resistance automatic adjustment system for intelligent fitness. The intelligent fitness equipment comprises a machine body 1 integrating a display screen 2 and a control main board 10, and two force arms arranged on the side surfaces of the machine body are connected with the machine body 1 through an angle regulator 3. The arm of force is internally composed of a rotating disk 4, a magnetic powder brake 5, a linear displacement sensor 6, a pull rope 8, a handle 9 and a straight cylinder 7. The rotating disc 4 is connected with the residual magnetic powder brake 5. One end of the pull rope 8 passes through the linear displacement sensor 6 and then winds on the rotating disk 4, and the other end of the pull rope 8 is connected with the handle 9. The rotating disk 4, the magnetic powder brake 5, the linear displacement sensor 6 and the pull rope 8 are packaged in the straight cylinder 7. The control mainboard 10 sends control instruction to the master controller (not shown in the figure), and linear displacement sensor sends the tensile state of stay cord 8 to the master controller, and the voltage signal of magnetic powder brake 5 is produced according to the control instruction and the tensile state that receive to the master controller, and then controls the size of the braking torque of rotary disk 4 through magnetic powder brake 5, finally realizes the control to the arm of force resistance size. The control instructions comprise different resistance change schemes, wherein the resistance change schemes comprise resistance uniform speed increasing, resistance uniform speed decreasing, resistance maintaining unchanged, resistance sinusoidal curve change, resistance discrete value change and the like, and different control instructions can be generated by the different resistance change schemes and sent to the main controller. The user can select different resistance variation schemes according to the self fitness plan.
The fuselage in this embodiment can adopt the wall-hanging, and the laminating wall setting of being convenient for has reduced this body-building equipment's area greatly for the body-building equipment in traditional gymnasium is suitable for the family and uses, greatly increased the prevalence of body-building equipment, identical with the original intention of strengthening the national body-building. The display screen in this embodiment can play the exact exercise posture or the video of typing in advance, and the user can take exercise together with the show of display screen to in time correct the action of oneself, make body-building more scientific. The fitness equipment can control the resistance of the rope in the force arm through a program, so that the force gear required by a exerciser is automatically switched, and the iron adding and reducing modes in a fitness room are simulated. Based on the automatic resistance adjusting system, programmers and developers can develop various resistance control methods on the application program level, provide personalized fitness service and increase the user viscosity.
According to the invention, different control instructions are generated by selecting different resistance change schemes and sent to the main controller, meanwhile, the stretching state of the force arm is detected in real time through the linear displacement sensor, the stretching state data is transmitted to the main controller, the main controller sends PWM control signals in real time according to the control instructions and the stretching state, and the PWM control signals are transmitted to the electromagnetic damping device after being transformed by the resistance control assembly so as to adjust the resistance of the body-building stretching arm in real time. The single property of the resistance of the previous exercise is improved, and the inconvenience that the gravity blocks need to be manually increased or decreased to change the resistance is changed. The automatic resistance adjusting system enables arm strength to be exercised more variously and conveniently, and is worthy of being put up and popularized.
While the above description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An automatic resistance adjustment system for intelligent fitness, comprising:
a body-building stretching arm;
the tension detection assembly is arranged on the body-building stretching arm and used for detecting the stretching state of the body-building stretching arm;
the control panel is used for sending out a control command;
a master controller; the main controller is respectively connected with the control panel and the tension detection assembly, and is used for receiving the stretching state and the control command and generating a first control signal according to the control command and the stretching state;
the resistance control assembly is connected with the master controller and is used for receiving the first control signal and converting the first control signal into a second control signal;
the resistance generating assembly is electrically connected with the output end of the resistance control assembly and is used for receiving the second control signal and generating different resistances to the body-building stretching arm according to the second control signal; one end of the body-building stretching arm is fixedly connected with the resistance generating component.
2. The automatic resistance regulating system applied to intelligent fitness according to claim 1, wherein the resistance control assembly comprises an optical coupler with a light emitting source connected with the main controller, a logic gate connected with a light receiver of the optical coupler, a filtering unit connected with the output end of the logic gate, and an operational amplification unit connected with the filtering unit; the output end of the operational amplification circuit is connected with the resistance generation assembly and sends the second control signal to the resistance generation assembly.
3. The automatic resistance adjusting system applied to intelligent fitness according to claim 2, wherein the filtering unit comprises a first resistor connected to the output end of the logic gate, and a first capacitor connected to the other end of the first resistor; the other end of the first resistor is connected with the operational amplification unit, and the other end of the first capacitor is grounded.
4. The automatic resistance regulating system applied to intelligent fitness according to claim 3, wherein the operational amplification unit comprises an operational amplifier with a homodromous input end connected with the first resistor, a first switching tube with a base connected with an output end of the operational amplifier, and a second switching tube with a base connected with an emitter of the first switching tube; the resistance generation assembly is respectively connected with the collectors of the first switch tube and the second switch tube, the emitter of the second switch tube is connected with the second resistor in series and then grounded, and the second switch tube is connected with the reverse input end of the operational amplifier; the first switch tube and the second switch tube are triodes.
5. The automatic resistance force adjusting system applied to intelligent fitness according to claim 2, wherein the resistance force generating assembly is an electromagnetic damping device, and the electromagnetic damping device provides electromagnetic damping control for the exercise telescopic arm according to the second control signal.
6. The automatic resistance force adjusting system applied to intelligent fitness according to claim 5, wherein the electromagnetic damping device comprises a magnetic powder brake and a rotating disk connected with the magnetic powder brake; the resistance generating assembly generates different electromagnetic damping according to the second control signal so as to control the locking force and the torque of the rotating disc; wherein the body-building stretching arm is connected with the rotating disc.
7. The automatic resistance adjusting system applied to intelligent fitness according to claim 2, wherein the logic gate is a NOT gate.
8. The automatic resistance adjusting system applied to intelligent fitness according to claim 1, wherein the tension detection assembly is a linear displacement sensor.
9. The automatic resistance adjustment system applied to intelligent fitness according to claim 8, wherein the stretching state comprises a rotation or stretching state and a stretching length.
10. An intelligent fitness apparatus comprising an automatic resistance adjustment system applied to intelligent fitness according to any one of claims 1 to 9.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114307038A (en) * | 2022-01-11 | 2022-04-12 | 泊康科技股份有限公司 | Multipurpose digital resistance device and application thereof |
| CN114949786A (en) * | 2022-06-20 | 2022-08-30 | 南昌工程学院 | Tensile trainer of arm strength for physical training |
| CN115177926A (en) * | 2022-06-30 | 2022-10-14 | 杭州龙蓓格科技有限公司 | Digital body-building system with multiple safety protection to user |
| CN115634431A (en) * | 2022-09-22 | 2023-01-24 | 成都拟合未来科技有限公司 | Force fitness device and method |
| CN116115960A (en) * | 2022-11-09 | 2023-05-16 | 北京新清泰克科技有限公司 | Multi-dimensional upper limb whiplash action training machine and use method thereof |
| CN117101079A (en) * | 2023-10-24 | 2023-11-24 | 舒华体育股份有限公司 | Motor-driven resistance training device and stall control method thereof |
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| CN115177926B (en) * | 2022-06-30 | 2024-05-07 | 杭州龙蓓格科技有限公司 | Digital body-building system with multiple safety protection for user |
| CN115634431A (en) * | 2022-09-22 | 2023-01-24 | 成都拟合未来科技有限公司 | Force fitness device and method |
| CN116115960A (en) * | 2022-11-09 | 2023-05-16 | 北京新清泰克科技有限公司 | Multi-dimensional upper limb whiplash action training machine and use method thereof |
| CN116115960B (en) * | 2022-11-09 | 2024-05-07 | 北京新清泰克科技有限公司 | Multi-dimensional upper limb whiplash action training machine and use method thereof |
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| CN117101079B (en) * | 2023-10-24 | 2023-12-22 | 舒华体育股份有限公司 | Motor-driven resistance training device and stall control method thereof |
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Application publication date: 20210810 |