WO2005068022A1 - 測定装置 - Google Patents
測定装置 Download PDFInfo
- Publication number
- WO2005068022A1 WO2005068022A1 PCT/JP2005/000361 JP2005000361W WO2005068022A1 WO 2005068022 A1 WO2005068022 A1 WO 2005068022A1 JP 2005000361 W JP2005000361 W JP 2005000361W WO 2005068022 A1 WO2005068022 A1 WO 2005068022A1
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- WIPO (PCT)
- Prior art keywords
- weight
- load
- mass
- unit
- measuring device
- Prior art date
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Classifications
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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
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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
- A63B21/06—User-manipulated weights
- A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
- A63B21/0626—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
- A63B21/0628—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/14—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads
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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
- A63B2220/10—Positions
- A63B2220/13—Relative positions
Definitions
- the present invention relates to a measurement device provided for a training device.
- Some training devices are provided with a measuring device for measuring the exercise situation of a trainee.
- a training apparatus having a measuring unit for counting the number of weights lifted by a trainee and the number of weight liftings is conventionally known.
- the number of weights and the number of times of lifting are determined by the detection unit provided in each weight and the plurality of detected units provided in the training device body facing the detection unit. Count.
- each detecting section provided on the lifted weight passes through each detected section of the main body.
- the measurement unit counts the number of detection units that have passed and the number of passes, and indicates the total amount of weight used and the number of times of lifting to the trainee.
- an object of the present invention is to provide a measuring device that can be easily attached to an existing training device by retrofitting, and that can measure a large number of weights with a simple configuration.
- the first invention of the present application is configured such that a weight is connected to the weight.
- a measuring device for use in a training apparatus including a long body and a load generating means for moving the weight upward by moving the other end of the long body, and a position for detecting a position of the weight.
- Detecting means for detecting a load applied to the elongated body; display means for displaying notification information based on detection data obtained by the position detecting means and the load detecting means;
- the means, the load detecting means, and the display means each have a mounting portion which is detachable from the training device.
- the long body includes a body having a long form capable of bending, and in addition to a linear body such as a wire or a string, even if the cross section is flat such as a belt, the long body has a curved shape and a weight. Including those that are long enough to tow the vehicle.
- the load generating means moves the weight in conjunction therewith.
- the elongate body is loaded by a weight, and exercises using the load exerted on the elongate body.
- a training device in which a weight is connected to one end of a long body and a movable portion such as a pedal, a handle, and a bar is provided at the other end is exemplified.
- a trainee exercises by changing the position of the movable part by applying force to the movable part by foot or hand.
- the trainee By attaching a measuring device having position detecting means, load detecting means, and display means to the training device by using an attaching portion, the trainee can apply force to the position of the weight and the long body during exercise.
- the notification information based on the load can be grasped.
- the notification information includes, for example, the position of the weight, the number of times the weight has been moved, the moving distance of the initial state weight, the acceleration of the weight, the load applied to the elongated body, and the weight of the weight. Therefore, the trainee can grasp the exercise status during training.
- the second invention of the present application in the first invention of the present application, further comprises a reflecting means provided on the upper surface of the weight and reflecting light, and the position detecting means emits light to the reflecting means. And a light receiving unit for receiving the light reflected by the reflecting means.
- Reflecting means is provided on the upper surface of the weight, and light is emitted from the light emitting unit to the reflecting means. Then, the light reflected by the reflection means is received by the light receiving section. Between the light emitting part and the reflection means The position of the spot of the reflected light received by the light receiving unit changes in accordance with the distance. By measuring the change in the position of this spot, the position of the weight provided with the reflection means can be determined.
- the third invention of the present application is the distortion receiver according to any one of the first and second inventions, wherein the load detection means is attachable to the elongated body and receives a tension applied to the elongated body. And a distortion measuring unit for measuring the distortion of the distortion receiving unit.
- the strain receiving portion provided on the elongated body generates a strain according to the magnitude of the tension applied to the elongated body by the weight. By measuring the strain of the strain measuring section, the tension applied to the elongated body can be measured. Then, a load acting on the elongated body can be detected from the tension.
- a fourth invention of the present application is the display device according to any one of the first to third inventions, wherein the notification information is displayed on the display unit based on the detection data obtained by the load detection means and the position detection means.
- a data processing unit for performing data processing for performing the data processing wherein the data processing unit monitors a change in the position of the weight based on the detection data detected by the position detection unit.
- a measuring device characterized by having:
- the position of the weight changes when the other end of the elongated body is moved.
- a load is applied to the long body by the weight.
- the position monitoring means of the measuring device monitors a change in the position of the weight.
- the change in the position of the weight means the force when the weight is moving and the force when it is stopped.
- the change of the initial state force of the weight such as the moving distance, the moving speed of the weight, and the acceleration, can be cited.
- the load monitoring means monitors the load exerted on the elongated body by the weight.
- the load F acting on this elongated body is expressed by the following equation (1).
- the position of the weight changes by moving the other end of the elongated body, and when the acceleration ex changes, the load applied to the elongated body changes.
- the acceleration of the weight is ⁇ 0, so that F ⁇ mg.
- the load F includes a dynamic load Fa and a static load Fs.
- the static load Fs is a load applied to a long body when the weight is stopped or when the weight is moving at a constant speed (the acceleration ⁇ 0 of the weight). Expressed in mg.
- the mass calculating means calculates the mass of the weight based on the change in the position of the weight and the load applied to the elongated body. In other words, the change in the position of the weight is monitored.
- the acceleration ⁇ of the weight is monitored, the weight is stopped, and the load applied to the elongated body when the acceleration of the weight is ⁇ 0 is calculated based on the above formula (1). I do.
- the mass of the weight is calculated from the acceleration a of the weight detected while the weight is moving, based on the above formula (1).
- the measuring device can calculate the weight of the weight at the time of stopping the kumometer for detecting the load applied to the elongated body, and can display these data on the display means. . Therefore, when the weight is moved, the load corresponding to the lifting of the weight of the trainee, for example, a larger load value is displayed on the display means as the weight is moved more vigorously, and the trainee is motivated to train. be able to. Also, when the weight is stopped, the weight of the weight is displayed, so there is no need to visually check the weight itself as in a conventional weight training machine, just look at the display while maintaining the training posture. The weight of the weight currently being used and the number of times of training can be easily checked, and the operability is excellent.
- the fifth invention of the present application is the fourth invention of the present application, wherein the weight is moved after the weight is moved.
- the mass calculating means calculates the mass of the weight based on the load detected by the load monitoring means, and displays the mass on the display means.
- a measuring device characterized by displaying.
- the term "stop” includes the following cases in which the movement of the weight is not only stopped completely. For example, it is assumed that the weight has stopped even when the speed and acceleration of the weight are stagnant below a predetermined value.
- the position of the weight moves up and down due to the reciprocating movement of the other end of the elongated body, the position of the weight stops when the weight is located at the top or bottom. If the position of the weight is stopped, the acceleration of the weight is aO. Therefore, the load F applied from the equation (1) is a static load Fs ⁇ mg. Therefore, the weight of the weight can be calculated by detecting the static load Fs.
- the case where the position of the weight is stopped and the position of the weight is reduced includes the case where the weight is completely stopped and not only when the weight is stopped but also when the weight is almost stopped.
- the reason why the weight is calculated when the position monitoring means detects that the weight is stopped is to accurately calculate the actual weight of the weight. This is because, if the mass is calculated when the weight is moving, the load accompanying the acceleration of the movement is added to the mass of the weight.
- the respective functions of the position monitoring means, the load monitoring means, and the mass calculating means are organically coupled as described above, so that accurate weight measurement of the weight is achieved. Has been realized.
- the data processing unit further includes a mass storage unit for storing mass data of a weight that can be used in the training apparatus,
- the calculating means extracts the value closest to the mass of the weight calculated based on the change in the position of the weight used in the training device and the load applied to the elongated body, and extracts the force of the mass storage unit.
- a measurement device characterized by the above is provided.
- Data relating to the mass of the weight to be used is stored in the mass storage unit in advance. By extracting mass data of the actual weight closest to the weight calculated by the mass calculating means from the mass storage unit, an accurate weight can be obtained. [0023]
- the calculated weight data includes an error or the like. If this data is displayed on the display means as it is, even if the same load is trained, various displays for each training jungle are displayed. And the criteria for training effectiveness are unclear. Therefore, in order to avoid this, it is adjusted to the actual mass data.
- the mass data is data of a mass of a single weight that can be used in the training apparatus, and data of a mass that is an integral multiple of the data of the single mass of the weight.
- a measuring device characterized by including:
- the mass data includes the mass of the weight alone and the mass of an integer multiple corresponding to the number of weights. It is possible to cope by including these data.
- the weight of a single weight may vary depending on the training device, the weights of multiple single weights that are assumed to be used in advance and data of an integral multiple of the weight are included. In this way, by limiting the mass data to the necessary and minimum data, the storage capacity of the mass storage unit can be suppressed to a small amount without waste.
- the measuring device according to the present invention can be easily retrofitted to an existing training device that does not have a measuring unit for the number of times of training and the like, and has a cost advantage for fitness clubs and the like. Also, since the weight of the weight is calculated from the load applied to the wire that pulls the weight, it is not necessary to visually check the weight itself and check the weight as in the past. Since the number of times of training can be checked in addition to the mass, the trainee does not need to make unnecessary movements and has excellent operability.
- FIG. 1 is a configuration diagram of a measurement device and a training device.
- FIG. 2 is a configuration diagram of a training device to which a measuring device is attached.
- FIG. 3 is an explanatory view showing how a weight moves.
- FIG. 5A is an enlarged perspective view of a load sensor.
- FIG. 5B is an enlarged perspective view of the load sensor observed from a direction opposite to FIG. 5A.
- FIG. 6A is a cross-sectional view of a load sensor before a load is applied to a wire.
- FIG. 6B is a cross-sectional view of the load sensor after a load is applied to the wire.
- FIG. 7 is an external view of a monitor.
- FIG. 8 is an explanatory diagram showing that the weight is rising in the direction of the arrow in FIG.
- FIG. 9 is an explanatory diagram showing a method of counting the number of times a weight has moved.
- FIG. 10A is a relationship diagram (1) showing the relationship between the load F and time t.
- FIG. 10B is a relationship diagram (2) showing the relationship between the load F and time t.
- FIG. 10C is an enlarged view of a part of FIG. 10A.
- FIG. 11 Exercise status (1) displayed on the display unit of the monitor.
- FIG. 14 is a flowchart showing a flow for calculating the mass of the weight and the number of times of movement.
- the measuring device is a training device including a weight, a wire connected to the weight (corresponding to a long body), and a load generating means for moving the weight upward by moving the other end of the wire.
- the load generating means moves the weight in conjunction with the force.
- a load is applied to the wire by a weight, and the trainee exercises using the load applied to the wire.
- a movable portion such as a pedal, a handle, and a bar may be connected to the other end of the wire.
- the measuring device In the case of exercise using such a training device, the trainee exercises while grasping the exercise situation such as how much force he or she is currently using and how many times the weight has been moved. Therefore, the measuring device according to the present invention detects the position of the weight, the load applied to the wire, and the like, and presents information on the monitor based on the detected data to the trainee using the monitor. Therefore, the trainee can determine an exercise menu such as the number of weight movements and exercise time based on the notification information displayed on the monitor. Also, this measuring device does not need to be built into the training device, has a simple configuration, and is removable such as retrofitting to an existing training device.
- the measuring device detects a load exerted on the wire by a weight accompanying the movement. Then, the mass of the weight connected to the wire is calculated based on this load. Therefore, it is possible to detect the load on the trainee without providing the detection unit and the detection target according to the number of weights. In addition, the weight of the weight does not need to be measured in advance because the detected load force is also calculated. Therefore, the measuring device according to the present invention can be easily trained. It can be retrofitted to one Jung device to calculate the mass of the weight.
- FIG. 1 is a configuration diagram of the measuring device 150 and the training device 100.
- the training device 100 to which the measuring device 150 is attached is installed in a store, for example, and connected to the server 300 in the store.
- the server 300 is connected to the measuring device 150, and receives the training status of the trainee acquired by the measuring device 150. Further, server 300 transmits the personal data of the trainee stored in server 300 in response to a request from measurement device 150.
- FIG. 2 is a configuration diagram of the training device 100 to which the measuring device 150 is attached.
- the training apparatus 100 has a configuration in which a weight is moved up and down by pressing a pedal with a foot, and a load is applied to the trainee's foot.
- the training device 100 is merely an example, and is not limited to this.
- the backrest 3 and the seat 4 are fixed on the support 1.
- a pedal 5 is movably fixed on the support base 1 so as to face the backrest 3.
- a handle 17 is provided to assist the trainee in exercising.
- a wire 9, a rod 11 and a plurality of weights 13 are attached to the frame 7.
- the weight 13 is connected to the wire 9 and slides vertically along the rod 11.
- the wire 9 connects the weight 13 and the pedal 5 via a plurality of pulleys 15.
- Each of the plurality of weights 13 has a weight adjustment hole 13a.
- the trainee can adjust the load applied to the pedal 5 by the weight 13 by inserting the adjustment rod 13b into a desired position.
- the wire 9 is not limited to a good wire as long as the weight 13 is connected to the pedal 5 and the weight 13 is moved by moving the pedal 5, and for example, a wire having a long form capable of bending is used. Including, in addition to linear bodies such as wires and strings, Even if the cross section has a flat shape as described above, it also has a sufficient length to be able to pull the curve and the weight.
- the structure for moving the weight 13 such as the support 1, the backrest 3, the seat 4, the pedal 5, the rod 11, the pulley 15, and the handle 17 upward corresponds to the load generating means in the claims.
- the load generating means is configured to move the weight, its configuration is not limited to the above configuration.
- the trainee exercises as follows using the above training device. First, the trainer inserts the adjustment rod 13b at a desired position. Next, sit on the seat 4 so that you can lean on the backrest 3 and put your feet on the pedals 5. Then, the user exercises by moving the pedal 5 in the front-rear direction by bending and stretching the leg. Since the pedal 5 and the weight 13 are connected via the plurality of pulleys 15 and the wires 9, the weight 13 reciprocates up and down in accordance with a change in the position of the pedal 5. Therefore, a load is applied to the pedal 5 according to the mass of the lifted weight 13.
- the measuring device 150 includes a position sensor 20, a load sensor 30, a reflector 40, a stopper 50, a monitor 60, and a data processing unit 200 composed of, for example, a computer.
- the measuring device 150 when applied to the training device 100 described above, is mounted as follows:
- the load sensor 30 is attached to the wire 9 and detects a load applied to the wire 9.
- the reflection plate 40 for example, a reflection sheet that reflects light is attached to the upper surface of the uppermost weight of the plurality of weights 13.
- the position sensor 20 is fixed to the frame 7 and emits light to the reflector 40 on the weight 13.
- the position sensor 20 detects the position of the weight 13 by receiving the reflected light reflected from the reflection plate 40.
- the stopper 50 is provided on the rod 11 so that the weight 13 moves more than a predetermined position and does not damage the frame 7, for example.
- Each of the position sensor 20, the load sensor 30, and the monitor 60 has a configuration that is detachable from the training apparatus. Therefore, this measuring device can be attached to existing training devices, and the counting function can be added later. It has excellent versatility.
- FIG. 4 is an explanatory diagram of the position sensor.
- the position sensor 20 includes a light emitting element 21 such as an LED, a light projecting lens 23, a light receiving lens 25, a light receiving element 27, and a light shielding plate 29.
- the position sensor 20 is provided so as to face a reflector 40 provided on the upper surface of the uppermost weight of the plurality of weights 13, and light is emitted from the light emitting element 21 to the reflector 40.
- the directivity of the light emitted from the light emitting element 21 is enhanced by the light projecting lens 23.
- the light incident on the light receiving lens 25 is condensed on the light receiving element 27 by the light receiving lens 25.
- the light shielding plate 29 blocks light that directly enters the light receiving element 27 from the light emitting element 21.
- the position of the spot on the light receiving element 27 changes according to the distance from the position sensor 20 to the reflecting plate 40.
- the distance A from the position sensor 20 to the reflector 40 provided on the weight 13 is calculated from the following equation (2) using the spot distance B of the reflected light, for example, based on the principle of triangulation. .
- C distance between the centers of the projecting lens and the receiving lens
- the position of the weight 13 can be detected by the position sensor 20.
- the position sensor 20 is attached to the frame support portion 71 by a screw fixing portion 20a, and has a detachable structure.
- FIG. 5A is an enlarged perspective view of the load sensor
- FIG. 5B is an enlarged perspective view of the load sensor observed from the opposite direction to FIG. 5A
- FIG. 6A is a cross-sectional view of the load sensor before a load is applied to the wire
- FIG. FIG. 4 is a cross-sectional view of the load sensor after a load is applied.
- the load sensor 30 has a strain receiving section 31, a wire fixing section 33, screwing sections 35a and 35b, wire supporting sections 37a to 37c, and a strain measuring section 39.
- the strain measuring section 39 is provided on one main surface of the strain receiving section 31. It should be noted that a well-known strain gauge can be employed as the strain measuring unit 39.
- the wire support portions 37a and 37b are provided on the other main surface of the strain receiving portion 31, and are fixed to one end and the other end of the strain receiving portion 31, respectively. Further, the wire support portion 37b is fixed to the wire fixing portion 33. As shown in FIG. 6, the strain receiving portion 31 and the wire fixing portion 33 are screwed by screwing portions 35a and 35b so that the wire supporting portions 37a to 37c sandwich the wire 9 therebetween. At this time, the wire support 37b is screwed between the wire supports 37a and 37c so as to be close to the wire support 37c. At this time, the strain measurement unit 39 is located between the wire support 37b and the wire support 37a.
- the strain receiving portion 31, the wire fixing portion 33, and the wire supporting portions 37a-37c are configured to have a predetermined width, not only wires but also a belt having a width can be fixed, which is preferable. .
- the strain measuring section 39 expands and contracts due to the strain of the strain receiving section 31, and the resistance value R of the strain measuring section 39 changes.
- the change in the resistance value R is detected by measuring the output voltage e of the strain measurement unit, and the stress ⁇ is calculated.
- the stress ⁇ received by the strain measuring unit 39 is, for example, the following equation (3 ) And (4).
- R is the original resistance of the strain measurement section 39
- ⁇ R amount of change in resistance value R caused by expansion and contraction of strain measurement section 39
- the load applied to the pedal 5 is calculated.
- a tension sensor may be attached to the wire 9, and the relationship between the tension ⁇ and the load F may be calculated as the load applied to the force pedal 5.
- the load sensor 30 clamps the wire 9 between the strain receiving portion 31 and the wire fixing portion 33, and fixes the wire 9 with the screwing portions 35a and 35b. It has a structure.
- FIG. 7 is an external view of the monitor.
- the monitor 60 has a display unit 61, an input unit 63, a receiving unit 65 of a transbonder, an authentication lamp 67, and the like.
- the display section 61 of the monitor 60 displays, for example, the position of the weight detected by the position sensor 20, the load detected by the load sensor 30, the number of movements of the pedal 5, the mass and the amount of exercise of the weight 13, and the like. Will be presented to you.
- the input unit 63 accepts input such as selection of an exercise menu.
- the transponder receiving unit 65 accepts input such as personal ID.
- the authentication lamp 67 is turned on when the trainee is recognized. Further, a speaker may be built in the monitor 60 to notify the trainee of the exercise status by voice.
- the monitor 60 is attached to the frame 7 by the screw fixing portion 60a. And has a detachable structure.
- the position sensor 20 and the load sensor 30 have a detachable structure. Therefore, these components are attached to an existing training device, and The counting function and the load measuring function can be easily added simply by attaching the reflecting plate 40 to the upper surface of the uppermost stage of the weight 13. Therefore, in a fitness club or the like, there is a cost merit because the function can be improved while using an existing device without purchasing a new training device having a measuring function.
- the data processing unit 200 includes a mass calculation unit 210, a position monitoring unit 220, a load monitoring unit 230, a mass storage unit 240, a display control unit 250, and a communication control unit 260.
- the position monitoring unit 220 monitors a change state of the position of the weight 13.
- the load monitoring unit 230 monitors the load applied to the pedal 5.
- the mass calculating unit 210 calculates the mass of the weight 13 based on the position of the weight 13 acquired from the position monitoring unit 220 and the load on the pedal 5 acquired from the load monitoring unit 230.
- the mass storage unit 240 stores the mass of the weight 13 used in the training device 100.
- the display control unit 250 displays the exercise status acquired from the position monitoring unit 220, the load monitoring unit 230, the mass calculation unit 210, the personal data acquired from the server 300 via the communication control unit 260, and the like.
- Communication control section 260 controls communication between server 300 and data processing section 200.
- the position monitoring unit 220 monitors a change in the position of the weight 13 that changes when the trainee moves the pedal 5 of the training device 100.
- the changing state of the position of the weight means whether the weight is in a moving state or in a stopped state.
- changes in the initial state force of the weight such as the moving distance, moving speed, and acceleration, can be cited.
- the position monitoring unit 220 acquires the position of the weight 13 output from the position sensor 20, and monitors a change state of the position of the weight 13.
- FIG. 8 is an explanatory diagram showing a state in which the weight 13 is rising from the lowermost part to the uppermost part in the direction of the arrow in the figure.
- Table 1 shows an example of a change in the position of the weight 13 acquired by the position monitoring unit 220 at each time interval ⁇ t3 when the weight 13 moves as shown in FIG.
- the time tl-t7 is recorded at every predetermined time interval At3, and the position monitoring unit 220 acquires the distance L between the reflector 40 attached to the weight 13 and the position sensor 20 at each predetermined time interval At3. ing.
- Table 2 shows the moving distance ⁇ L, moving speed V, and acceleration oc of the weight 13 calculated by the position monitoring unit 220 from the obtained distance L.
- the position monitoring unit 220 acquires and stores the distance Le from the position sensor 20 as the position of the weight 13 at t6 ⁇ t ⁇ t7.
- the positions of the pedal 5 and the weight 13 do not change, and the pedal 5 receives the static load Fs only for the mass m of the weight 13. I have.
- the case where the weight 13 is stopped includes the case where the weight 13 is almost stopped as well as the case where the weight 13 is completely stopped. That is, the position monitoring unit 220 detects that the weight 13 has stopped based on the fact that the moving distance ⁇ is equal to or less than the predetermined value. Similarly, it may be detected that the weight 13 stops, based on the fact that the moving speed V or the acceleration a of the weight 13 is stagnant at a predetermined value or less!
- the trainer applies a load to the pedal 5 to power it, so that the weight 13 receives tension from the wire 9 and rises in the direction of the arrow in the figure. Therefore, as shown in Table 1, the distance L acquired by the position monitoring unit 220 from the position sensor 20 at each time of t2 ⁇ t ⁇ t6 is different. Then, the position monitoring unit 220 calculates the moving distance ⁇ L based on the acquired distance L as shown in Table 2 above. From the moving distance AL # 0, the position monitoring unit 220 detects that the position of the weight 13 is moving. Table 2 shows the same as above. As described above, the moving speed V and the acceleration oc may be calculated. The position monitoring unit 220 detects that the position of the weight 13 has changed from the moving speed V ⁇ 0 or the acceleration ⁇ ⁇ 0. Then, the position monitoring unit 220 stores the change state of the position of the weight 13.
- the position monitoring unit 220 counts the number of movements of the weight 13 based on the position of the weight 13 acquired from the position sensor 20. The number of times of movement is counted, for example, based on the fact that the reciprocating weight 13 reciprocates with an amplitude not less than a predetermined width.
- the following conditions must be satisfied in order to perform counting multiple times.
- the load monitoring unit 230 acquires the load applied to the pedal 5 measured by the load sensor 30 at every predetermined time interval At3, and monitors the load.
- the time when the load monitoring unit 230 acquires the load and the time when the position monitoring unit 220 acquires the position of the weight 13 are synchronized.
- the load F applied to the pedal 5 is expressed by the following equation (1).
- the load includes a dynamic load Fa and a static load Fs.
- the static load and Fs are the loads acting on the pedal 5 when the pedal 5 is stopped or when the pedal 5 is moving at a constant speed (the acceleration ⁇ 0 of the pedal 5). Since ⁇ 0, it is represented by F ⁇ mg.
- Table 3 shows the load measured by the load sensor 30 when the weight 13 moves as shown in FIG.
- the load monitoring unit 230 acquires and stores the load measured by the load sensor 30 over time.
- the load monitoring unit 230 obtains a static load Fs at tl ⁇ t ⁇ t2 and t6 ⁇ t ⁇ t7 because the position of the weight 13 has not changed.
- Fs a static load
- t2 ⁇ t ⁇ t6 the position of the weight 13 has changed and the acceleration ⁇ ⁇ 0, so that dynamic loads Fa (Fa2, Fa3, Fa4, Fa5) are obtained.
- the change in the dynamic load Fa when the acceleration ⁇ is applied to the trainee by the acceleration state display bar P in the display 61 of the monitor 60 in FIG. It may be reported as a visual image.
- the load monitoring unit 230 can use the average value of the loads at the predetermined time interval At2 (At2 ⁇ At3) instead of the value of the load obtained at each predetermined time interval At3. This is to reduce the influence of noise on the value of the load acquired at each predetermined time interval At3.
- 10A and 10B are explanatory diagrams showing that the average value of the load at the predetermined time interval At2 is regarded as the value of the load at each predetermined time interval ⁇ t3.
- FIG. 10C shows a method of calculating the average value of the load at the predetermined time interval At2.
- the average value of the load at the predetermined time interval At2 can be obtained as the average value of the load values acquired at the predetermined time interval Atl (2 X Atl ⁇ At2).
- the predetermined time interval ⁇ t2 can be set so that the time for each predetermined time interval ⁇ t3 is included in the predetermined time interval At2 as shown in (see FIG. 10A, time ta), or for each predetermined time interval At3. It can also be taken before the time (see time tb in Figure 10B).
- the predetermined time interval Atl is very short, for example, 1Z60 seconds.
- the predetermined time interval At2 is, for example, 16 ⁇ Z60 seconds.
- This load averaging is effective, for example, in the following case.
- the position of the weight 13 When the position of the weight 13 is moved up and down by moving the pedal 5, the position of the weight 13 almost stops when the position of the weight 13 is at the top or the bottom. If the position of the weight 13 changes slightly at the time of this stop, the acceleration of the weight 13 changes, and the load applied to the pedal 5 changes. By averaging the loads at this time, errors included in the static loads can be reduced.
- the mass calculator 210 calculates the mass m of the weight 13 based on the change in the position of the weight 13 acquired from the position monitor 220 and the load on the pedal 5 acquired from the load monitor 230.
- the mass m of the weight 13 can be calculated by either the static load Fs or the dynamic load Fa. This will be specifically described with reference to FIG. 8 and Tables 1 and 2 described above.
- the mass calculating section 210 can calculate the mass m of the weight 13 from the above equation (1) based on the fact that the weight 13 is stopped, that is, the moving distance ⁇ ⁇ ⁇ .
- m FaZg is calculated as shown in Table 4 as the mass m of the weight 13.
- the mass calculating section 210 may calculate the mass m of the weight 13 from the above equation (1) based on the acceleration a ⁇ 0 of the weight 13 calculated by the position monitoring section 220.
- the mass of the weight 13 may be calculated from the dynamic load Fa. However, when the position monitoring unit detects that the weight 13 is stopped, the mass of the weight 13 is calculated. By doing so, the actual mass of the weight 13 can be accurately calculated. This is because, if the mass is calculated while the weight 13 is moving, the load due to the acceleration of the movement is added to the weight of the weight. As described above, the functions of the position monitoring unit 220, the load monitoring unit 230, and the mass calculating unit are organically combined, thereby realizing accurate weight measurement.
- the mass storage unit 240 is for matching the load calculated by the voltage sensor 30 with the detected voltage force to the actual mass of the actual weight 13. That is, the calculated load is slightly different from the actual mass of the weight 13 due to noise and rounding of the calculated data. If the calculated load is output to the monitor 60 as it is, the data becomes very difficult for the trainer to visually recognize and understand. In addition, even though the same load training is performed, different displays are displayed for each training, and the standard of the training effect becomes unclear. Therefore, the mass is stored in the mass storage unit 240 and compared with the mass of the actual weight 13.
- the mass storage unit 240 stores the actual mass of the weight 13 used in the training apparatus 100.
- the weight of one weight of the relevant training device is 2 kg
- the weight is 4 kg for two weights and 6 kg for three weights
- the weight increment of 2 kg, 4 kg, 6 kg- Are stored as a table.
- the mass calculating unit 210 compares the calculated weight mass with the stored mass data, and the value closest to the calculated weight, that is, the weight of one weight is 2 kg, and the calculated data is 4. If it is 2 kg, 4 kg data stored in the mass storage unit 240 is extracted. Therefore, the exact mass of the used weight 13 can be obtained.
- the setting of the mass of one weight is input from the input screen of the mass of the weight, which can be displayed on the display unit 61 of the monitor 60.
- the communication control unit 260 transmits the exercise status acquired from the position monitoring unit 220, the load monitoring unit 230, and the mass calculation unit 210 to the server 300. Further, communication control section 260 receives personal data stored in server 300 from server 300.
- the personal data is data such as the height and weight of the training person and the previous exercise status.
- the display control unit 250 calculates the moving distance ⁇ L and the number of movements of the weight 13 obtained from the position monitoring unit 220, the load applied to the pedal 5 obtained from the load monitoring unit 230, and the mass of the weight 13 obtained from the mass calculating unit 210.
- the exercise status of the trainee is output to the monitor 60.
- the display control unit 250 outputs the personal data and the like received from the server 300 to the monitor 60.
- the display section 61 of the monitor 60 displays the exercise status acquired from the display control section 250 as shown in FIGS.
- P is an acceleration state display bar indicating the mass of the weight 13 of the trainee and the acceleration state of the lifting.
- the bars P are all black, and are displayed in white from the left end in the figure in order corresponding to the mass of the weight 13 to be lifted.
- the acceleration state display bar P reflects the acceleration of the lifting of the weight 13, and when the lifting is performed slowly, the corresponding position is stopped at the position corresponding to the mass of the weight 13 described above.
- the tray jung raises the weight 13 vigorously, it is displayed (to the right in the figure) exceeding the display position of the original weight 13 due to the acceleration. Then, if the lifting of the weight reaches the upper end and is stopped, for example, the display position returns to the position corresponding to the original mass of the weight.
- the acceleration state display bar P extends to an area exceeding the original weight mass depending on the training state of the trainer who is not only using the mass of the weight, so that the trainee's interest in the training can be drawn.
- FIG. 12 the number of previous movements, the number of best movements, and the like are displayed.
- FIG. 13 also shows the current position of the weight 13 and the movement width in which the number of movements of the weight 13 is counted. That is, when the weight 13 exceeds the hatched portion shown in FIG. 13, the number of times of movement is counted. Therefore, the trainee can grasp the position of the weight and move the pedal 5 so that the number of movements is counted.
- FIG. 14 is a flowchart showing a flow for calculating the mass of the weight 13 and the number of times of movement.
- the trainee holds an authentication card such as an IC card over the receiving unit 65 of the monitor 60. Then, the measurement device 150 is made to recognize the identification ID of the trainee. Then, when the trainee moves the pedal 5 with the foot, the following processing is started.
- Step S10 The position monitoring unit 220 and the load monitoring unit 230 determine whether or not the predetermined time interval Atl has elapsed.
- Step S20 The position monitoring unit 220 and the load monitoring unit 230 obtain the position of the weight 13 and the load F applied to the pedal at the elapse of the predetermined time interval ⁇ tl from the position sensor 20 and the load sensor 30. .
- the position of the weight is represented by a distance L from the position sensor 20 to the weight 13.
- Step S30 The position monitor 220 and the load monitor 230 store the acquired position of the weight 13 and the load applied to the pedal 5.
- Step S40 The load monitoring unit 230 determines whether the predetermined time interval At2 has elapsed. If the predetermined time interval ⁇ t2 has not elapsed, the process returns to step S10.
- Step S50 After the predetermined time interval ⁇ t2 has elapsed, the load monitoring unit 230 averages the loads stored at each predetermined time interval ⁇ tl within the predetermined time interval At2 to reduce the influence of noise. .
- Step S60 The position monitoring unit 220 and the load monitoring unit 230 determine whether the predetermined time interval ⁇ t3 has elapsed.
- Step S70 The position monitoring unit 220 calculates and stores the moving distance A L, the moving speed V, and the acceleration ⁇ when the predetermined time interval ⁇ t3 has elapsed.
- Step S80 The position monitoring unit 220 determines the force at which the display control unit 250 outputs the mass m of the weight to the monitor 60. That is, it is determined whether or not the mass m of the weight has been displayed on the display section 61 of the monitor 60.
- Step S90 The mass calculating unit 210 calculates the mass m of the weight based on the acceleration ⁇ of the weight 13 calculated by the position monitoring unit 220 and the load applied to the pedal 5.
- Step S100 The display control unit 250 acquires the mass m calculated by the mass calculation unit 210 and outputs it to the monitor 60 for display on the display unit 61.
- Step S110 If the mass m of the weight 13 is already displayed, the load monitoring unit 230 outputs the load F applied to the pedal 5 to the display control unit 250. Display control unit 250 Displays the load F on the display unit 61.
- Step S120 Further, when the mass m of the weight 13 is already displayed, the position monitoring unit 220 calculates the moving distance AL of the weight.
- Step S130 The position monitoring unit 220 determines whether the calculated moving distance A L is equal to or greater than a predetermined value.
- Step S 140 If the moving distance A L is equal to or more than the predetermined value, the number of times the weight 13 moves is incremented.
- Step S150 The position monitoring unit 220 outputs the number of times the weight 13 has moved to the display control unit 250.
- the display control unit 250 outputs the latest number of movements to the display unit 61.
- the number of movements S is incremented in step S140, the updated number of movements is displayed. If the movement distance AL is equal to or less than a predetermined value and the number of movements is not incremented, the current number of movements is displayed as it is.
- Step S150 The position monitoring unit 220 and the load monitoring unit 230 determine whether an end instruction has been received from the trainee. If not finished, continue obtaining the weight and the load acting on pedal 5.
- the measuring device can calculate the mass of the weight 13 at the time of stopping, and can display these data on the monitor 60. Accordingly, when the weight 13 is moved, the load corresponding to the lifting of the weight 13 of the trainee, for example, the force, and the larger the weight is moved, the larger the load value is displayed on the monitor 60. Can be aroused. When the weight 13 is stopped, the weight of the weight 13 is displayed.Therefore, it is not necessary to visually check the weight 13 itself as in a conventional weight training machine, and the monitor is maintained while maintaining the training posture. You can easily check the mass of the lumber weight by simply looking at the 60, and it has excellent operability.
- the measuring device according to the present invention can be easily retrofitted to an existing training device that does not include a measuring unit for the number of times of training and the like, and has a cost advantage for a fitness club and the like.
- the recorded computer-readable recording medium is included in the scope of the present invention.
- the program may be downloadable.
- the recording medium include a flexible disk, a hard disk, a semiconductor memory, a CD-ROM, a DVD, a magneto-optical disk (MO), and other media that can be read and written by a computer.
- the trainee can determine an exercise menu based on the notification information displayed on the monitor.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rehabilitation Tools (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/456,088 US20060234842A1 (en) | 2004-01-16 | 2006-07-07 | Measuring device |
Applications Claiming Priority (2)
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JP2004008947A JP3718211B2 (ja) | 2004-01-16 | 2004-01-16 | 測定装置 |
JP2004-008947 | 2004-01-16 |
Related Child Applications (1)
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US11/456,088 Continuation US20060234842A1 (en) | 2004-01-16 | 2006-07-07 | Measuring device |
Publications (1)
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WO2005068022A1 true WO2005068022A1 (ja) | 2005-07-28 |
Family
ID=34792253
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PCT/JP2005/000361 WO2005068022A1 (ja) | 2004-01-16 | 2005-01-14 | 測定装置 |
Country Status (4)
Country | Link |
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US (1) | US20060234842A1 (ja) |
JP (1) | JP3718211B2 (ja) |
TW (1) | TWI246430B (ja) |
WO (1) | WO2005068022A1 (ja) |
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WO2007060616A2 (en) * | 2005-11-23 | 2007-05-31 | Koninklijke Philips Electronics N.V. | Exercise monitoring system and method |
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Also Published As
Publication number | Publication date |
---|---|
US20060234842A1 (en) | 2006-10-19 |
TWI246430B (en) | 2006-01-01 |
JP3718211B2 (ja) | 2005-11-24 |
TW200526299A (en) | 2005-08-16 |
JP2005198867A (ja) | 2005-07-28 |
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