KR20090092414A - Training machine for controlling electrically weight and weight control device in the same - Google Patents

Abstract

A sporting tool and an exercise load control apparatus for the same are provided, which enable to measure the muscle power while preventing damage of a user and utilize the measured muscle power. A sporting tool capable of electrically controlling the exercise load comprises: a body portion(102); and an exercise load control apparatus(104) which electrically controls the exercise load. The body portion comprises a frame(110), a handle(112), and a connecting member(126) including a belt or a wire. The exercise load control apparatus comprises a rotational motion device(120), a force transmitter(124), an exercise appliance control part(122), and a driving controller(128).

Description

An exercise device for controlling the exercise load electronically, and the exercise load control device in the same {TRAINING MACHINE FOR CONTROLLING ELECTRICALLY WEIGHT AND WEIGHT CONTROL DEVICE IN THE SAME}

The present invention relates to an exercise device and an exercise load control device therefor. More particularly, the present invention relates to an exercise device for controlling an exercise load electronically by using a rotary motion element and an exercise load control device.

In general, exercise equipment, in particular muscle exercise equipment, uses weights having a specific weight. That is, the user repeatedly sets a plurality of weights and sets them on the exercise equipment, and repeatedly performs a set of exercises. However, the above method of combining the weight is difficult to provide a variety of weight because the weight of the weight is determined. Therefore, it was difficult to adjust the weight to the muscle strength of each user, as a result there was a problem that can give a burden to the user.

In addition, in this type of isotonic exercise, the user empirically sets the weights on the exercise device because his or her maximum muscular strength is not known, but sometimes this setting may be excessively set for the user. In this case, the user may be injured due to the excessive exercise of the user. In addition, the muscle training process of a person, for example, the eccentric contraction process of the muscle, in order to efficiently perform isotonic exercise as well as isotonic exercise in order to perform efficiently, the exercise device provides only isotonic exercise, so that the user's muscle is sufficient Could not be annealed.

It is a first object of the present invention to provide an exercise device for precisely controlling weight electronically and an exercise load control device in the same.

It is a second object of the present invention to provide an exercise device and an exercise load control device in which a maximum muscle strength can be measured and then utilized so as not to cause injury to a user's body.

It is a third object of the present invention to provide an exercise device capable of performing isotonic exercise and isokinetic exercise together, and an exercise load control device in the same.

In order to achieve the object as described above, the exercise device according to an embodiment of the present invention comprises a rotary motion element; An exercise mechanism control unit controlling a rotational movement of the rotary motion element; A force transmission unit connected to the rotary motion element to rotate in response to the rotational force of the rotary motion element, and transmitting a rotational force according to the rotation of the rotary motion element to the outside; And a sensing unit for detecting the torque according to the rotational force of the rotary motion element.

Exercise load control device used in the exercise device having a body portion according to an embodiment of the present invention is a rotary motion element; A force transmission unit connected to the rotary motion element to rotate in response to the rotational force of the rotary motion element, and transmitting a rotational force according to the rotation of the rotary motion element to the body portion; And a sensing unit for detecting the torque according to the rotational force of the rotary motion element.

The exercise device and the exercise load control device according to an embodiment of the present invention controls the weight using the electronically controlled rotary motion element and the force transmission unit, there is an advantage that the weight can be precisely adjusted according to the user.

According to another embodiment of the present invention, the exercise device and the exercise load control device measure the maximum muscle strength of the user and exercise the user based on the measured maximum muscle strength, so that the user can efficiently exercise without injuring his body. There is an advantage to doing this.

In addition, the exercise device according to another embodiment of the present invention and the exercise load control device therein is divided into the appearance mode and the constant speed mode to exercise the user, there is an advantage that the user can exercise in a mode suitable for them.

1 is a perspective view showing an exercise device according to an embodiment of the present invention.

2 is a view schematically showing an exercise load control device according to a first embodiment of the present invention.

3 is a view schematically showing an exercise load control device according to a second embodiment of the present invention.

4 is a view schematically showing an exercise load control device according to a third embodiment of the present invention.

5 is a block diagram illustrating an exercise device controller according to an exemplary embodiment of the present invention.

6 is a flowchart illustrating an operation process of an exercise device according to an appearance mode according to an exemplary embodiment of the present invention.

7 is a flowchart illustrating an operation process of the exercise device in the constant velocity mode according to an exemplary embodiment of the present invention.

8 is a flowchart illustrating an operation process of the exercise device according to the maximum muscle strength measurement mode according to an embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing an exercise device according to an embodiment of the present invention.

Referring to FIG. 1, the exercise device 100 of the present embodiment is a device that electronically controls an exercise load (weight), and includes a body portion 102 and an exercise load control device 104.

The body portion 102 is the rest of the body except for the exercise load control device 104 and has a frame 110, a handle 112, and a connecting means 126 such as a belt or a wire.

Exercise load control device 104 is connected to the body portion 102 to control the exercise load during the user exercise, the rotary motion element 120, the force transmission unit 124, the exercise device controller 122 and the driving operation unit (128).

The rotary motion element 120 is a rotatable element, for example, a high performance motor that moves using electric energy.

The force transmission unit 124 transmits the rotational force according to the rotational movement of the rotary motion element 120 to the body portion 102 through the connecting means 126, or rotates the force transmitted from the body portion 102 during the user movement Transfer to the movement element 120. According to one embodiment of the invention, the force transmission unit 124 is a pulley (Pulley) connected to the end of the shaft member of the rotary motion element 120, and rotates in response to the rotation of the rotary motion element 120. In this case, the connecting means 126 connects the force transmission part 124 and the body part 102 as shown in FIG. However, the position and structure of this connecting means 126 will vary depending on the type of exercise equipment.

The exercise device control unit 122 is a device for controlling the rotational motion of the rotary motion device 120, for example, according to the user's selection of the exercise mode (constant velocity mode, appearance mode, isometric mode, etc.), for example, a specific current to rotate the rotary motion device ( 120 to rotate the rotary motion element (120). The operation of the exercise device 100 according to each mode will be described later.

In addition, the exercise device controller 122 receives a torque value corresponding to the rotation of the rotary motion device 120 from a sensing unit to be described later to measure the amount of exercise.

The driving manipulation unit 128 is a part which can be operated by the user. For example, when the user selects a specific mode, the driving manipulation unit 128 transmits a command corresponding to the selected mode to the exercise device controller 122. The exercise manipulation unit 122 may not only provide a mode selectable by the user, but may also include a display function for displaying data such as an exercise amount. Of course, the exercise device 100 of the present invention may be provided with a display unit that can display the result of the strength measurement of the user separately from the driving operation unit 128.

In short, the exercise device 100 of the present embodiment adjusts the exercise load by controlling the rotary motion element 120 capable of precise control without using a weight, unlike a conventional exercise device using a weight. Therefore, the exercise device 100 of the present invention can arbitrarily adjust the weight in accordance with the user, that is, precisely control the exercise load, as will be described later to present to the user an appropriate exercise suitable for the user's maximum muscle strength It may be.

In the above, the exercise device 100 for exercising the upper body is taken as an example, but the present invention can be applied not only to various upper body strength exercise devices for exercising the upper body using weight, but also to various lower body muscles for lower body exercising. . The present invention can also be used as a medical device for measuring maximum muscle strength.

Hereinafter, the structure and operation of the exercise load control device 104 will be described in detail with reference to the accompanying drawings.

2 is a view schematically showing an exercise load control device according to a first embodiment of the present invention.

Referring to FIG. 2, the rotary motion element 120 is composed of a body member 120A and a shaft member 120B.

The shaft member 120B rotates under the control of the exercise device control unit 122 while being inserted into the body member 120A.

The force transmission portion 124 is coupled to the end of the shaft member 120B, and rotates in response to the rotation of the shaft member 120B. In addition, a connecting means 126, for example a belt, is formed on the force transmission part 124, and the connecting means 126 is coupled to the body portion 102. Therefore, when the shaft member 120B of the rotary motion element 120 rotates, the rotational force according to the rotation is transmitted to the body portion 102 through the force transmission portion 124 and the connecting means 126.

The sensing unit 200 is a device for detecting torque according to the rotation of the rotary motion device 120. For example, the detector 200 may be a position speed sensor for detecting the position, speed, and torque of the rotary motion device 120. The position speed sensor 200 is mounted on the rotary motion element 120 as shown in FIG. 2, and rotates the rotary motion element 120 according to the command of the exercise device controller 122. In detail, the exercise device controller 122 provides a current having a specific magnitude to the position speed sensor 200, and the position speed sensor 200 rotates the rotary motion element 120 at a speed corresponding to the current. Here, the position speed sensor 200 detects the torque of the rotary motion element 120 through the provided current. However, the above method of measuring the rotational torque of the rotary motion device 120 using the position speed sensor 200 does not directly detect the rotation of the rotary motion device 120, so that the detection accuracy may be degraded. Therefore, the present invention further proposes the following methods to improve the detection accuracy.

3 is a view schematically showing an exercise load control device according to a second embodiment of the present invention, and FIG. 4 is a view schematically showing an exercise load control device according to a third embodiment of the present invention.

In the second embodiment, a sensing unit 300, for example a torque sensor, is formed in the shaft member 120B of the rotary motion element 120 as shown in FIG. That is, the torque sensor 300 directly detects the rotational speed of the shaft member 120B when the shaft member 120B rotates, and thus the rotational torque of the rotary motion element 120 may be accurately detected.

In the third embodiment, the sensing unit 400, for example a load cell, is formed in the connecting means 126 as shown in FIG. 4. That is, the load cell 400 is connected to both ends of the connecting means 126, for example, the belt, and detects torque of the rotary motion element 120 through the amount of change of the belt 126. Here, since the connecting means 126 is changed in proportion to the rotational speed of the rotary motion device 120, the load cell 400 can accurately detect the torque of the rotary motion device 120.

5 is a block diagram illustrating an exercise device controller according to an exemplary embodiment of the present invention.

Referring to FIG. 5, the exercise device controller 122 includes a controller 500, a mode unit 502, a drive controller 504, a measurement unit 506, and a memory 508.

The mode unit 502 provides various modes to the user through the driving operation unit 128, such as an exercise mode (such as an appearance mode and a constant velocity mode), a maximum strength measurement mode, and the like. Accordingly, the user may select a predetermined mode among the above modes and perform exercise corresponding to the corresponding mode.

The drive controller 504 controls the driving of the rotary motion device 120 so that the rotary motion device 120 rotates in accordance with the selected mode. For example, the driving controller 504 rotates the rotary motion element 120 by providing a current corresponding to the mode selected by the user to the position speed sensor 200.

The measuring unit 506 detects a user's exercise amount and maximum muscle strength through the torque value detected by the sensing unit 200, 300, or 400 when the rotary motion device 120 rotates according to a selected mode.

The memory 508 stores a record of individual maximum muscle strength and daily exercise amount.

The controller 500 generally controls the operation of the components of the exercise equipment controller 122.

Hereinafter, an operation process of the exercise device 100 having such a structure will be described in detail with reference to the accompanying drawings.

6 is a flowchart illustrating an operation process of an exercise device according to an appearance mode according to an exemplary embodiment of the present invention.

Referring to FIG. 6, a user selects an appearance mode among exercise modes through the driving operation unit 128 (S600).

Subsequently, the rotary motion element 120 rotates in the gravity direction according to the selection of the appearance mode (S602).

Subsequently, the user starts the upward motion, and as a result, the user force transmitted to the rotary motion element 120 through the frame 110, the connecting means 126, and the force transmission 124 is rotated. It is determined whether or not the torque is greater than (S604).

When the user force is smaller than the rotational force, that is, the force exerted from the user is not enough to change the rotation direction of the rotary motion element 120, step S602 is performed again.

On the other hand, when the user force is equal to or greater than the rotational force, that is, when the force applied from the user can change the rotational direction of the rotary motion element 120, the rotary motion element 120 rotates in the opposite direction of gravity in accordance with the user's upward movement. Start (S606). In this case, however, the rotational force acting on the rotary motion element 120 is kept constant during the upward motion, so that the rotational speed of the rotary motion element 120 is changed according to the user force.

Thereafter, the measuring unit 506 detects the user's exercise amount in the upward movement through the changed rotational speed sensed by the sensing unit 200, 300, or 400 (S608). For example, when the driving controller 504 controls the driving of the rotational motion element 120 by using a current, the measuring unit 506 is connected to the changed rotational speed detected by the sensing unit 200, 300, or 400. The amount of current is measured and analyzed to detect the amount of exercise of the user during the ascending exercise. Of course, the driving controller 504 may control the rotational motion element 120 using other factors such as voltage as well as the amount of current, and the measurement unit 506 may detect the amount of motion of the user through the corresponding factor.

Subsequently, it is determined whether the mechanism position, that is, the position of the frame 110 is equal to or greater than an Up angle (S610). That is, it is determined whether the frame 110 has been raised by the user's lifting motion up to the rising limit set in the exercise device 100.

If the position of the frame 110 is smaller than the up angle, step S608 is performed again.

On the other hand, when the position of the frame 110 is greater than the up angle, the torque of the rotary motion element 120 is changed in the direction of gravity in accordance with the start of the downward motion, that is, the rotary motion element 120 is rotated in the direction of gravity (S612). ).

Subsequently, the user starts the descent movement by holding in the opposite direction of gravity. In this case, since the rotational motion element 120 rotates in the direction of gravity with a constant rotational force, the rotational speed of the rotational motion element 120 is changed according to the user force, and the measuring unit 506 measures the rotational speed thus changed. (S614).

Then, the measuring unit 506 analyzes the measured rotational speed to detect the user's exercise amount in the falling motion (S616).

In other words, the exercise apparatus 100 detects the exercise amount in the up and down exercise in the issuance mode through the above-mentioned process, respectively, and displays the detected exercise amount on the display so that the user can recognize it.

Hereinafter, the operation of the exercise device 100 according to the constant velocity mode in the exercise mode will be described in detail with reference to FIG. 7.

7 is a flowchart illustrating an operation process of the exercise device in the constant velocity mode according to an exemplary embodiment of the present invention.

Referring to FIG. 7, the user selects the constant velocity mode among the exercise modes through the driving operation unit 128 (S700).

Subsequently, in accordance with the selection of the constant velocity mode, the rotary motion element 120 rotates in the gravity direction (S702).

Subsequently, the user starts the upward motion, in which case the user force transmitted to the rotary motion element 120 through the frame 110, the connecting means 126, and the force transmission 124 is rotated. It is determined whether or not the rotation force is greater than or equal to (S704).

When the user force is smaller than the rotational force, step S702 is performed again.

On the other hand, when the user force is more than the rotational force, the rotary motion element 120 starts to rotate in the opposite direction of gravity in accordance with the user's upward movement (S706). In this case, however, the rotary motion element 120 rotates at a constant rotational speed during the upward motion, that is, the force in the direction of gravity acts on the rotary motion element 120 when the user's force tries to increase the rotational speed. Therefore, the rotational force acting on the rotary motion element 120 is changed according to the user force.

Thereafter, the measuring unit 506 detects the exercise amount of the user in the upward movement through the changed rotational force sensed by the sensing unit 200, 300, or 400 (S708). For example, when the driving controller 504 controls the driving of the rotary motion device 120 using the amount of current, the measuring unit 506 corresponds to the changed rotational force sensed by the sensing unit 200, 300, or 400. The amount of current to be measured is measured and analyzed to detect the amount of exercise of the user during the ascending exercise.

Subsequently, it is determined whether the instrument position, that is, the position of the frame 110 is equal to or greater than an Up angle (S710). That is, it is determined whether or not the frame 110 has been raised up to the rising limit set in the exercise device 100.

If the position of the frame 110 is smaller than the up angle, step S708 is performed again.

On the other hand, when the position of the frame 110 is greater than the up angle, the torque of the rotary motion element 120 is changed in the direction of gravity in accordance with the start of the downward motion, that is, the rotary motion element 120 is rotated in the direction of gravity (S712). ).

Subsequently, the user starts the descent movement by holding in the opposite direction of gravity. In this case, since the rotary motion element 120 rotates in the direction of gravity with a constant rotational speed, the rotational force acting on the rotary motion element 120 is changed according to the user's force, and the measuring unit 506 measures the changed rotational force. (S714).

Thereafter, the measuring unit 506 analyzes the measured rotational force to detect the user's exercise amount in the falling motion (S716).

In other words, the exercise apparatus 100 detects the amount of exercise in the up-movement and the amount of the down-movement in the constant velocity mode through the above-described process, and displays the detected amount of exercise on the display so that the user can recognize it.

Next, the operation of the exercise device 100 according to the maximum strength measurement mode of the exercise mode will be described in detail with reference to FIG. 8.

8 is a flowchart illustrating an operation process of the exercise device according to the maximum muscle strength measurement mode according to an embodiment of the present invention.

Referring to FIG. 8, the user selects the maximum strength measurement mode among the exercise modes through the driving operation unit 128 (S800).

Subsequently, in accordance with the selection of the maximum muscle strength measurement mode, the rotary motion element 120 rotates in the direction opposite to gravity (S802). Thus, the position of the frame 110 shows a movement to rise in the opposite direction of gravity even when the user is not applying a force.

Subsequently, the user starts an ascending exercise with his maximum muscle strength, in which case the rotary motion element 120 rotates at a constant rotational speed during the ascending exercise, ie gravity when the user's force tries to increase the rotational speed. Directional force acts on the rotary motion element 120. Therefore, the rotational force acting on the rotary motion element 120 is changed according to the user force.

Thereafter, the measuring unit 506 measures the changed rotational force sensed by the sensing unit 200, 300, or 400 to detect the maximum muscular strength of the user in the upward movement (S804). As an example, the measurement unit 506 measures and analyzes the amount of current corresponding to the changed rotational force to detect the amount of exercise of the user during the upward movement.

Subsequently, it is determined whether the mechanism position, that is, the position of the frame 110 is equal to or greater than the Up angle (S806). That is, it is determined whether or not the frame 110 has been raised up to the rising limit set in the exercise device 100.

If the position of the frame 110 is smaller than the up angle, step S804 is performed again.

On the other hand, when the position of the frame 110 is greater than the up angle, the driving controller 504 changes the torque of the rotary motion element 120 in the direction of gravity in response to the start of the downward motion, that is, the rotary motion element 120 is gravity. Direction (S808).

Subsequently, the user starts the lowering motion while holding up the maximum strength in the opposite direction of gravity. In this case, since the rotational motion element 120 rotates in the direction of gravity with a constant rotational speed, the rotational force acting on the rotational motion element 120 is changed to maintain the rotational speed according to a user force, and the measuring unit 506 ) Measures the thus changed rotational force (S810).

Thereafter, the measurement unit 506 analyzes the measured rotational force to detect the maximum muscle power of the user in the downward motion (S812).

In other words, the exercise apparatus 100 detects the maximum muscle strength in the up and down exercises in the maximum muscle strength measurement mode through the above-described process, respectively, and displays the detected exercise amount so that the user can recognize them. Display on.

As described above, the exercise device 100 of the present invention operates in an isotonic mode, constant velocity mode, or maximum muscle strength measurement mode. In this case, the exercise device 100 may be operated only in the isometric mode or the constant velocity mode during the single exercise by the user, but may also be operated in the isometric mode in the upward movement and in the constant velocity mode in the downward movement. Of course, the exercise device 100 may operate in the constant velocity mode in the ascending movement and in the appearance mode in the descending movement.

Hereinafter, a process of setting an appropriate exercise program suitable for the maximum strength after detecting the maximum strength of the user will be described in detail with reference to the following tables. However, the appearance mode is set to mode 0 and the constant velocity mode is set to mode 1.

Set number division mode Repeat count UP force DOWN force man One Beginner 1 0 10 60% 60% 2 Beginner 2 0 12 50% 50% 3 Intermediate 1 0 6 80% 90% 4 Intermediate 2 0 8 75% 80% Woman 5 Beginner 1 0 15 50% 50% 6 Beginner 2 0 20 40% 40% 7 Intermediate 1 0 8 70% 80% 8 Intermediate 2 0 8 70% 70% old man 9 Beginner 1 0 10 30% 30% 10 Beginner 2 0 10 40% 40% 11 Intermediate 1 0 10 50% 50% 12 Intermediate 2 0 10 60% 60%

Set number division mode Repeat count UP force DOWN force man One Beginner 1 One 10 60% 60% 2 Beginner 2 One 14 50% 50% 3 Intermediate 1 One 6 80% 80% 4 Intermediate 2 One 8 75% 80% Woman 5 Beginner 1 One 12 60% 60% 6 Beginner 2 One 20 40% 40% 7 Intermediate 1 One 10 60% 65% 8 Intermediate 2 One 12 50% 55% old man 9 Beginner 1 One 12 50% 50% 10 Beginner 2 One 14 40% 45% 11 Intermediate 1 One 6 80% 80% 12 Intermediate 2 One 10 60% 60%

As can be seen in Table 1 and Table 2 above, the exercise device 100 of the present invention measures the maximum strength of each individual, and sets the respective exercise program for each up and down movement based on the measured maximum strength. Thus, the user can exercise without injuring his body.

In addition, the exercise device 100 sets the exercise program differently by dividing the male to exercise the muscle strength, the woman who is more important to repetitive exercise, the elderly to refrain from excessive exercise. Therefore, the user may select and exercise an appropriate exercise according to his or her gender and age.

In addition, the user can exercise while changing the mode, and thus, the user can exercise in the mode suitable for herself to improve the exercise efficiency.

Looking back at Table 1 and Table 2, the exercise device 100 of the present invention may set different forces (UP force) in the upward motion and the force (DOWN force) in the downward motion. In general, a person's muscles can exert more strength during downward movement than during upward movement. Therefore, the exercise device 100 preferably sets the DOWN force higher than the UP force, and consequently, even when the exercise corresponds to the same weight body as before, it is possible to exercise the muscle more efficiently.

Although not shown in the drawings, the exercise device 100 of the present invention may be connected to an external management device (not shown) through a wired or wireless communication network. In this case, the individual record measured by the exercise device 100 is stored in the management device, and the administrator may manage the user with an exercise program suitable for the individual through the individual record.

The embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art having ordinary knowledge of the present invention may make various modifications, changes, and additions within the spirit and scope of the present invention. Should be considered to be within the scope of the following claims.

Claims (23)

Rotary motion elements; An exercise mechanism control unit controlling a rotational movement of the rotary motion element; A force transmission unit connected to the rotary motion element to rotate in response to the rotational force of the rotary motion element, and transmitting a rotational force according to the rotation of the rotary motion element to the outside; And An exercise device for electronically controlling the exercise load, characterized in that it comprises a sensing unit for sensing the torque according to the rotational force of the rotary motion element. According to claim 1, The exercise device, Body portion; And And a connecting means for connecting said body portion and said force transmission portion. The exercise load of claim 2, wherein the detector is a position speed sensor configured to measure a current provided from the exercise device controller to the rotary motion element to detect a position, a speed, or the torque of the rotary motion element. Electronically controlled exercise equipment. According to claim 2, wherein the rotary motion element includes a body member and a shaft member which is inserted into the body member and rotates under the control of the exercise device controller, wherein the force transmission portion is coupled to the end of the shaft member ( pulley), wherein the connecting means is a belt or a wire. The exercise device of claim 4, wherein the sensing unit is a torque sensor connected to the shaft member of the rotary motion element to sense torque according to the rotation of the shaft member. The exercise device of claim 4, wherein the sensing unit is a load cell connected to the connecting unit to sense torque of the rotary motion element according to a change of the connecting unit. The exercise mechanism of claim 1, wherein the rotary motion element is a motor. The rotary motion device of claim 1, wherein the rotational motion element rotates in the direction of gravity when the appearance mode is selected, and when the first external force greater than the rotational force corresponding to the rotation of the rotational motion element acts in a direction opposite to gravity, The rotational speed of the rotary motion element is changed according to the first external force to rotate in the opposite direction of gravity with a first rotational force, and the sensing unit detects the changed rotational speed to measure an amount of motion corresponding to the first external force. An exercise device for electronically controlling the exercise load. According to claim 8, wherein the exercise device further comprises a body having a frame connected to the rotary motion element, When the frame is raised above the up angle by the first external force, the rotary motion element rotates in the direction of gravity, and when the second external force acts in the opposite direction of gravity, the rotary motion element applies the second rotational force in the direction of gravity. The rotational speed of the rotary motion element is changed according to the second external force so as to rotate with the second external force, and the sensing unit electronically measures an exercise load, wherein the sensing unit detects the changed rotational speed and measures the amount of motion corresponding to the second external force. Fitness equipment to control. 10. The exercise device of claim 9, wherein the second rotational force has the same magnitude as the first rotational force. The rotational motion element of claim 1, wherein the rotational motion element rotates in the direction of gravity when the constant velocity mode is selected, and the rotational motion element rotates with the first rotational speed in the direction opposite to gravity when the first external force acts in the opposite direction of gravity. The rotational force acting on the rotary motion element in response to the first external force is changed, The sensing unit electronically controls the exercise load, characterized in that for detecting the changed rotational force to measure the amount of exercise corresponding to the first external force. The method of claim 11, wherein the exercise device further comprises a body having a frame connected to the rotary motion element, When the frame is raised above the up angle by the first external force, the rotary motion element rotates in the direction of gravity, and when the second external force acts in the opposite direction of gravity, the rotary motion element is rotated in the direction of gravity at a second rotational speed. The rotational force acting on the rotary motion element in response to the second external force is changed to rotate with the second external force, and the sensing unit detects the changed rotational force to measure an exercise amount corresponding to the second external force. Electronically controlled exercise equipment. The exercise device of claim 12, wherein the second rotational speed is the same as the first rotational speed. The rotational motion element of claim 1, wherein the rotational motion element rotates with a first rotational speed in a direction opposite to gravity when the maximum strength measurement mode is selected, and maintains the first rotational speed when a first external force acts in a direction opposite to gravity. The rotational force acting on the rotary motion element in response to the first external force is changed, The sensing unit electronically controls the exercise load, characterized in that for measuring the maximum rotational force in the upward movement by measuring the changed rotational force. The method of claim 14, wherein the exercise device further comprises a body having a frame connected to the rotary motion element, The rotary motion element rotates in the direction of gravity when the frame is raised above the up angle by the external force, and the rotary motion element has a second rotation speed in the direction of gravity when the second external force acts in the opposite direction of gravity. The rotational force of the rotary motion element is changed in accordance with the second external force to rotate, the sensing unit electronically controls the exercise load, characterized in that for detecting the changed rotational force to measure the maximum muscle force in the downward movement. The exercise device of claim 15, wherein the second rotational speed is the same as the first rotational speed. The exercise apparatus of claim 1, wherein the exercise device control unit operates the rotary motion device in one mode selected from an appearance mode and a constant velocity mode in an upward motion, and operates in a different mode from the selected mode in a downward motion. Exercise equipment to control the load electronically. In the exercise load control device used for the exercise device having a body portion, Rotary motion elements; A force transmission unit connected to the rotary motion element to rotate in response to the rotational force of the rotary motion element, and transmitting a rotational force according to the rotation of the rotary motion element to the body portion; And Exercise device for controlling the exercise load, characterized in that it comprises a sensing unit for sensing the torque according to the rotational force of the rotary motion element. The exercise device of claim 18, wherein the detection unit is a position speed sensor configured to measure a current provided from the exercise device controller to the rotary motion device to detect a position, a speed, or the torque of the rotary motion device. In exercise load control device. 19. The exercise load control device according to claim 18, wherein the exercise load control device further comprises connecting means which is a belt or a wire connecting the body part and the force transmission part. 21. The apparatus of claim 20, wherein the rotary motion element includes a body member and a shaft member inserted into the body member and rotating under control of the exercise device controller, wherein the force transmission portion is coupled to an end of the shaft member (20). pulley), the exercise load control device according to the exercise device. 22. The exercise load control device according to claim 21, wherein the sensing unit is a torque sensor connected to the shaft member of the rotary motion element to sense torque according to the rotation of the shaft member. 22. The exercise load control device according to claim 21, wherein the sensing unit is a load cell connected to the connection means to sense torque of the rotary motion element in accordance with the change of the connection means.