TWI689335B - Exercise rehabilitation machine - Google Patents

Abstract

A sports rehabilitation machine includes a motion unit, a drive unit, a display unit, and a detection control unit. The motion unit includes a base frame, a linkage rod module, and two pedals. The drive unit includes a motor. The display unit receives a display signal related to a torque value of the motor and displays a display message related to the torque value. The detection control unit includes a speed sensor that detects a rotation speed of the motor, a current sensor that detects a current of the motor, and a controller, the controller according to a voltage of the motor, the The rotation speed and the current calculate the torque value, and output the display signal. By setting the display unit, the speed sensor and the current sensor, the torque value of the motor can be calculated and the data can be displayed, so that the user can clearly know his own force through the real-time changes of the data State, so it has the effect of displaying the torque value and lower cost.

Description

Exercise rehabilitation machine

The invention relates to a sports device, in particular to a sports rehabilitation machine.

Rehabilitation is a kind of medical treatment for the physically disabled. It is through the use of special devices to enable patients to move specific affected parts to achieve the effect of restoring or enhancing physical activity.

At present, the generally affordable rehabilitation machine has a simple structure and only provides a small number of segment switches. When the user recovers in the same segment, he cannot know the precise muscle strength changes, and he cannot immediately know whether he has continued. Progress. Although there are models on the market that use strain gauges to measure torque values and display data for users to view, but due to the high cost of strain gauges and the need for precise installation during installation to obtain better measurement results, this rehabilitation machine They are all high-priced models and cannot be widely used.

Therefore, the object of the present invention is to provide a sports rehabilitation machine which can display the torque value and has a low cost.

Therefore, the sports rehabilitation machine of the present invention includes a motion unit, a driving unit, a display unit, and a detection control unit.

The motion unit includes a base frame, a linkage rod module rotatably disposed on the base frame, and two pedals disposed at opposite ends of the linkage rod module and linked with the linkage rod module.

The driving unit includes a motor that is linked with the linkage rod module and can drive the pedals to rotate.

The display unit receives a display signal related to a torque value of the motor and displays a display message related to the torque value.

The detection control unit is electrically connected to the motor and signally connected to the display unit, and includes a pair of speed sensors corresponding to the motor and detecting the rotation speed of one of the motors, and one electrically connected to the motor and detecting one of the motor A current sensor, and a controller electrically connected to the speed sensor and the current sensor, the controller calculates the torque value according to a voltage of the motor, the rotation speed and the current, and outputs the torque value The display signal of the value.

The effect of the present invention is: by setting the display unit, the speed sensor and the current sensor, the torque value of the motor can be calculated and the data can be displayed, which can be cleared by the user through the real-time changes of the data Knowing the state of your own force, it has the effect of showing the torque value and lower cost.

1 and 2, an embodiment of the sports rehabilitation machine of the present invention includes a motion unit 2, a drive unit 3, a display unit 4, and a detection control unit 5.

The motion unit 2 includes a base frame 21, a linkage rod module 22 rotatably disposed on the base frame 21, and two linkage rod modules 22 disposed at opposite ends of the linkage rod module 22 and linked with the linkage rod module 22的conditioned pedal 23.

The linkage rod module 22 has a rotating shaft 221 rotatably disposed on the base frame 21, and two connecting rods 222 extending outward from both ends of the rotating shaft 221 respectively, and the connecting rods 222 are opposite to the rotating shaft 221 The other end is provided for the pedals 23 respectively.

The driving unit 3 includes a power supply module 31 for providing power, a motor 32 linked with the linking rod module 22 and capable of driving the pedals 23 to rotate, and a motor 32 provided on the motor 32 and the linking rod module The speed reducer 33 between 22 is used to reduce the speed of the motor 32 and output it to the linkage rod module 22, or to increase the speed of the linkage rod module 22 and output it to the motor 32.

The display unit 4 receives a display signal related to a torque value of the motor 32 and displays a display message related to the torque value. The display unit 4 may be a display panel electrically connected to the detection control unit 5 or a handheld electronic device wirelessly connected to the detection control unit 5, such as a mobile phone or a tablet. The display message may be directly the torque value, or a force value related to the torque value or other data, icon or text that can reflect the user's muscle strength status, and is not limited thereto.

The detection control unit 5 is electrically connected to the motor 32 and signal-connected to the display unit 4, and includes a pair of speed sensors 51 corresponding to the motor 32 and detecting one rotation speed of the motor 32, and a speed sensor 51 electrically connected to the motor 32 and detecting A current sensor 52 for detecting a current of the motor 32, a voltage sensor 53 electrically connected to the motor 32 and detecting a voltage of the motor 32, and a voltage sensor 53 electrically connected to the speed sensor 51 and the current sensor The sensor 52 and the controller 55 of the voltage sensor 53.

Wherein, the speed sensor 51 may be a commercially available suitable speed sensor, the current sensor 52 may be implemented with a Hall sensor, and the current sensor 5 and the voltage sensor 53 may be optional A product that directly outputs voltage and current in digital form, or a product that uses an output analog form, and the detection and control unit 5 also includes an electrical connection between the current sensor 52, the voltage sensor 53, and the controller An analog-to-digital converter 54 (Analog-to-Digital Converter) 55. The analog-to-digital converter module 54 receives the current and the voltage in an analog form and converts it into a digital form for output to the controller 55.

The controller 55 calculates the torque value according to the voltage, the rotation speed and the current of the motor 32 and outputs the display signal related to the torque value.

，其中，T為該扭力值，

為該轉速，I為該電流，V為該電壓，因此，在已知

、I、V之值的情況下，即可運算得出T值。 The principle is: according to the formula of the power P of one of the motors 32

, Where T is the torque value,

Is the speed, I is the current, and V is the voltage, therefore, in the known

In the case of the values of, I, V, the T value can be calculated.

In actual use, the exercise rehabilitation machine can operate in a passive mode and an active mode.

In the passive mode, the exercise rehabilitation machine supplies power to the motor 32 through the power module 31 to rotate the motor 32, and after decelerating by the reducer 33, the rotating shaft 221 and the connecting rods 222 are driven to drive The pedals 23 rotate. At this time, the user places hands or feet on the pedals 23 and applies a force to resist the rotation of the pedals 23. When the applied force is greater, the resistance of the motor 32 is also greater, so that The value of the current increases accordingly, so the calculated torque value will also increase, and vice versa.

In this mode, the controller 55 calculates the torque value according to the measured speed and the current according to the voltage output from the power module 31 to the motor 32, and outputs the display signal related to the torque value to the The display unit 4 allows the user to instantly know the current state of muscle exertion by viewing the data displayed by the display unit 4.

In the active mode, the user places his hands or feet on the pedals 23, and pulls the pedals 23 with his hands or feet, so that the pedals 23 drive the connecting rod 222 and the rotating shaft 221 to rotate, and After the speed reducer 33 is increased, the motor 32 is driven to generate electricity. At this time, the controller 55 calculates the torque according to the measured rotational speed, the current and the voltage (the voltage generated by the motor 32 generating electricity) Value and output the display signal related to the torque value to the display unit 4 for the user to instantly know the current state of muscle exertion.

Through the above description, the advantages of this embodiment can be summarized as follows:

1. By setting the display unit 4, the speed sensor 51 and the current sensor 52, the torque value of the motor 32 can be calculated and displayed in the active mode, so that the user can During the rehabilitation process, you can clearly know your own force status through real-time changes in data. Compared with conventional parity models, there are only a few segments, which cannot accurately reflect the user's real force status. The embodiment allows the user to more accurately grasp his own condition and make timely exercise adjustments. Compared with the conventional high-priced models, the cost of the speed sensor 51 and the current sensor 52 of this embodiment are lower than the cost of the conventional strain gauges, and the requirements for installation accuracy are also lower. Therefore, this implementation For example, it has lower cost and better price advantage in the market.

2. By setting the voltage sensor 53 to measure the voltage, the torque value of the motor 32 can be calculated and displayed in the passive mode, so that the user can grasp the force application status in real time.

In summary, the sports rehabilitation machine of the present invention can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention, and the scope of implementation of the present invention cannot be limited by this, any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as Within the scope of the invention patent.

2: motor unit 21: Base frame 22: Linkage lever module 221: shaft 222: connecting rod 23: Pedal 3: drive unit 31: Power module 32: Motor 33: Reducer 4: display unit 5: Detection control unit 51: Speed sensor 52: Current sensor 53: Voltage sensor 54: Analog digital conversion module 55: Controller

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: 1 is a perspective schematic view of an embodiment of the sports rehabilitation machine of the present invention; and FIG. 2 is a block diagram of the embodiment.

3: drive unit

31: Power module

32: Motor

4: display unit

5: Detection control unit

51: Speed sensor

52: Current sensor

53: Voltage sensor

54: Analog digital conversion module

55: Controller

Claims (3)

A sports rehabilitation machine includes: a motion unit, including a base frame, a linking rod module rotatably disposed on the base frame, and two sets at opposite ends of the linking rod module and connected with the linking rod A pedal linked to the module; a drive unit including a motor that is linked to the link rod module and can drive the pedals to rotate; a display unit that receives a display signal related to a torque value of the motor and displays a A display message related to the torque value; and a detection control unit electrically connected to the motor and signally connected to the display unit, including a pair of speed sensors corresponding to the motor and detecting a rotation speed of the motor, an electrical connection The motor and a current sensor that detects a current of the motor, and a controller electrically connecting the speed sensor and the current sensor, the controller according to a voltage of the motor, the rotation speed and the current Calculate the torque value and output the display signal related to the torque value; wherein, the detection control unit further includes a voltage sensor electrically connecting the motor and the controller, the voltage sensor detects the motor The voltage and output the voltage to the controller. The exercise rehabilitation machine according to claim 1, wherein the detection control unit further includes an analog-to-digital conversion module electrically connected to the current sensor, the voltage sensor and the controller, the analog-to-digital conversion module The module receives the current and the voltage and converts it into a digital form for output to the controller. The exercise rehabilitation machine according to claim 1, wherein the driving unit further includes a power supply module for supplying power and a linkage with the motor and the linkage A speed reducer between the rod modules. The speed reducer is used to reduce the speed of the motor and output it to the linkage rod module, or to increase the speed of the linkage rod module and output it to the motor.

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