JPH07144039A - Motion measuring device - Google Patents

Abstract

PURPOSE:To exactly measure momentum and number of steps with an exercise measuring instrument for measuring human exercise functions. CONSTITUTION:This exercise measuring instrument is constituted by having a vibration detecting means 1 built in a shoe sole, a first timer 2 for measuring specified time intervals, an integrating means 5 for calculating the integrated value of the output of this vibration detecting means 1 at every time interval measured by this first timer 2 and a vibration generation deciding means for outputting a signal when the output of this integrating means 5 exceeds the first set value. The varying magnitude of the momentum is exactly measured by such constitution even at the same one step and simultaneously the number of steps is exactly counted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motion measuring device for measuring a person's motor function.

[0002]

2. Description of the Related Art A pedometer which is attached to a waist or the like for measurement is well known as a device for measuring a motor function of this type. These have detected the vibration with a vibration sensor, counted the number of times of the vibration as the number of steps, and provided the display part, and displayed the number of steps. These are configured such that the vibration detection unit, the control unit, and the display unit are mounted on the waist or the like, and detect the vertical vibration of the trunk of the body. The number of vertical movements was counted and used as a measure of relative physical activity. However, those equipped with the vibration detecting unit on the waist or the like could not accurately display the vibration of the body, especially the vibration when walking, and therefore, JP-B-63-4408 and JP-A-56-153.
It has been known that shoes are provided with a pressure-sensitive sensor as seen in Japanese Patent No. 812 and Japanese Utility Model Laid-Open No. 64-49105. In addition, as disclosed in Japanese Patent Laid-Open No. 5628/1993, the number of steps / runs is counted by a piezoelectric element that converts vibration into a voltage and a counter circuit that counts a voltage change due to the vibration of the piezoelectric element. (Pedometer), which has been known as a device whose case can be attached to a hand, an arm, or the like and which can measure an amount of exercise with high accuracy.

Japanese Utility Model Publication No. 63-4408, Japanese Utility Model Publication No. 56
In Japanese Patent No. 153812 and Japanese Utility Model Laid-Open No. 64-49105, a pressure-sensitive sensor provided on the sole of the shoe outputs a pulse signal once for each step and counts the number of steps by a pedometer. In JP-A-5-5628, the amount of change on the + side of the voltage change is counted as one step, so even if the number of steps can be measured, the vibration signal due to the actual impact applied to the foot is Since the signal is not processed as the amount of vibration, it was impossible to accurately measure the intensity of motion. In addition, the type of exercise such as walking or running is not determined, and the walking speed is calculated from the count speed.
Moreover, the walking distance is calculated by inputting the step length in advance from the number of times of counting, and the calorie consumption is calculated only by inputting the weight. At the same time, the load on the foot due to exercise was not detected two-dimensionally.

[0004]

SUMMARY OF THE INVENTION As described above, the above-mentioned publications have a problem in that the amount of exercise, the type of exercise, and the amount of exercise cannot be accurately calculated.

The present invention solves the above-mentioned problems of the prior art, and can accurately measure the amount of exercise and the number of steps at the same time, can accurately determine the type of exercise, and can accurately calculate the amount of exercise activity. An object of the present invention is to provide a motion measuring device capable of measuring the distribution of the load applied to the sole of the foot.

[0006]

In order to achieve this object, a motion measuring device of the present invention comprises a vibration detecting means incorporated in a shoe sole, a first timer for measuring a constant time interval,
The first timer includes an integrating means for calculating an integrated value of the output of the vibration detecting means at each time interval measured by the first timer, and a vibration occurrence determining means for outputting a signal when the output of the integrating means exceeds the first set value. A second timer for measuring the generation time interval of the signal output from the vibration occurrence determination means, the integrated value obtained by the integration means and the generation time interval measured by the second timer. A configuration in which a motion determining means for determining the type of exercise based on the data is added, or a third timer for measuring the cumulative time according to the type of each exercise based on the determination result of the motion determining means in the configuration;
A constant storage means for storing a constant corresponding to the type of exercise determined by the exercise determination means, and an activity amount calculation for calculating an activity amount using the accumulated time counted by the third timer and the constant of the constant storage means. The configuration is such that a means is added, or a plurality of vibration detection means is provided in each of the above configurations.

[0007]

In this configuration, the operation will be as follows.

First, the vibration detecting means incorporated in the shoe sole detects the vibration generated at every movement and measures a constant time interval.
The integrating means calculates the integrated value of the output of the vibration detecting means at each time interval measured by the timer, and the output of the integrating means is the first value.
When the set value of is exceeded, the vibration occurrence determination means outputs a signal.

Further, the second timer measures the generation time interval of the signal output from the vibration occurrence judging means, and the motion judging means calculates the integral value obtained by the integrating means and the occurrence time measured by the second timer. The type of exercise is determined based on the interval data.

A third timer measures the accumulated time according to the type of each exercise based on the determination result of the exercise determining means, and the constant storage means corresponds to the type of exercise determined by the exercise determining means. The constant amount is stored, and the activity amount calculation unit calculates the activity amount using the accumulated time measured by the third timer and the constant of the constant storage unit.

A plurality of vibration detecting means detect the vibration applied to each part of the sole.

[0012]

【Example】

 Example 1 Example 1 of the present invention will be described below.

As shown in FIGS. 1 and 2, a vibration detecting means 1 composed of a thin film piezoelectric sensor made of polyvinylidene fluoride is built in a shoe sole 9, and is provided with a first timer 2, an amplifier 3, and a band. The pass filter 4, the integration unit 5, the vibration occurrence determination unit 6, the measurement unit 7, and the like are built in the unit 10. In addition, the unit 10 is provided with a display portion 8 fixed to, for example, shoelaces or incorporated into the surface of the shoe so as to be visible from the outside.

The operation of the motion measuring device configured as described above will be described below. When vibration is applied to the sole 9 by a motion such as walking or running, a voltage change occurs in the piezoelectric sensor, and this voltage change is sent from the vibration detecting means 1 to the unit 10 as an output. This output passes through the amplifier 3 and the bandpass filter 4 at every time interval measured by the first timer 2, is integrated by the integrating means 5, and is sent to the vibration occurrence determining means 6.

As shown by the curve (a) in FIG. 3, the signal output due to the vibration of each step detected by the vibration detecting means 1 is integrated by the integrating means 5 at every time interval measured by the first timer 2. Thus, the integrated value is as shown by the curve (b) in FIG. Here, in the case of a vigorous exercise such as a jump that produces a signal output in the third step, the fourth step, the vibration applied to the sole of the foot is large, and the integrated value increases, and the first, second, fifth, and sixth steps are taken. If it is a gentle movement such as when walking slowly like the eyes, the vibration applied to the sole of the foot is small and the integral value is also small. The vibration occurrence determination means 6 is provided with a first set value I that can be detected when performing an intense exercise, a gentle exercise, or even one step, and if an output equal to or greater than the first set value I is output, The vibration generation signal as shown by the curve (c) in FIG. 3 is output. By providing the first set value I, small vibrations that do not accompany walking or running motion that are regarded as noise will not be erroneously detected. In the measuring unit 7, unless the measurement is reset, the cumulative value of the integrated value of the integrating means 5,
Alternatively, the number of signal outputs of the vibration occurrence determination means 6 is measured, and the cumulative value of the integrated values is displayed as the amount of exercise, or the number of signal outputs of the signal occurrence determination means 6 is displayed as the number of steps on the display unit 8.

As described above, according to this embodiment, the vibration generated in the shoe sole 9 by actually moving by the vibration detecting means 1 incorporated in the shoe sole 9 is detected, and the integral value of the vibration is calculated. By doing so, even in the same step, it is possible to accurately measure whether it is a step with a large amount of exercise or a step with a small amount of exercise, and at the same time, it is possible to count the number of steps.

(Second Embodiment) A second embodiment of the present invention will be described below.

As shown in FIG. 4, the feature of this embodiment lies in that the vibration occurrence determining means 6 is the same as that of the first embodiment.
The second timer 11 for measuring the generation time interval of the signal output from the device, the type of exercise based on the integrated value obtained by the integrating means 5 and the data of the generation time interval measured by the second timer 11. This is a point provided with a motion determination means 12 for determination.

The operation of the motion measuring device configured as described above will be described below. The description of the same operations as those described in the first embodiment will be omitted. As in the first embodiment, the second timer 11 measures the time interval Δt at which the signal generated by the vibration occurrence determination means 6 is determined by the occurrence of vibration due to a motion such as walking or running. In the motion determining means 12, the value of Δt or Δt ′ as shown in the curve (a) and the curve (b) of FIG. 5 and the integrated value S or S ′ integrated by the integrating means 5 during Δt or Δt ′ time.
Is used to determine the type of exercise, as shown in FIG. For example, if the occurrence time interval Δt is short below the threshold value Ta, the integral value S is above the threshold value Sa and there is a large amount of exercise, then it is in the region indicated by A in the figure, and the type of exercise at this time is "quick" like in a jogging state. It is determined to be "running". Further, when walking slowly like a walk, if the occurrence time interval Δt is longer than the threshold value Ta and the integrated value S is less than the threshold value Sa and the amount of exercise is small, it is in the area indicated by B in the figure. The type of exercise is judged to be “walk slowly”. In addition to these area categories, other areas such as “run at full speed”, “run slowly”, and “walk fast” are provided, and the number of steps counted for each category is displayed on the display unit 8.

As described above, according to the present embodiment, the type of exercise is determined based on the time interval of occurrence of vibration during exercise and the exercise intensity represented by the amount of vibration, thereby making an accurate determination of the type of exercise. This makes it possible to perform more advanced measurement of movement.

(Third Embodiment) A third embodiment of the present invention will be described below.

As shown in FIG. 7, the feature of the present embodiment is that in the configuration of the above-described second embodiment, the cumulative time is measured according to the type of each exercise based on the determination result of the exercise determining means 12. The third timer 13, the constant storage means 14 for storing constants corresponding to the type of exercise determined by the exercise determination means 12, the cumulative time measured by the third timer 13 and the constants of the constant storage means 14 are stored. The point is that an activity amount calculating means 15 for calculating the activity amount by using is provided.

The operation of the motion measuring device configured as described above will be described below. Exercise type determination means 12
The operations up to this are the same as the operations of the above-described second embodiment, and the description thereof will be omitted.

From the accumulated time for each exercise type determined by the exercise type determining means 12, the third timer 13 measures the time, and the exercise type corresponding to the exercise type determined by the exercise type determining means 12 is shown in Table 1. The constants (H1 to H5) are stored in the constant storage means 14.

[0025]

[Table 1]

The product (E1 to E5) of the cumulative time (t1 to t5) measured by the third timer 13 and the constant stored in the constant storage means 14 and the sum thereof are calculated by the activity amount calculation means 15. Calculated value E-all (= E1 + E2 +
E3 + E4 + E5) is calculated as the total daily activity.

As described above, according to this embodiment, an accurate exercise type is determined, and the cumulative time for each exercise type is measured,
Since the amount of activity is calculated using a constant according to the type of exercise,
It becomes possible to calculate the activity amount more accurately, and this activity amount can also be used as an index of energy consumption.

(Fourth Embodiment) A fourth embodiment of the present invention will be described below.

As shown in FIG. 8, a plurality of vibration detecting means 1a to 1a corresponding to a plurality of positions of the shoe sole, for example, a base of a thumb, a base of a little finger, an arch, and a heel.
1d is provided, the relay switch 16, the first timer 2, the amplifier 3, the bandpass filter 4, the integrating means 5,
The storage unit 17 is built in the unit as in the first embodiment, and the display unit 8 is arranged in the unit so that it can be seen from the outside as in the first embodiment.

The operation of the motion measuring device configured as described above will be described below. Vibration detecting means 1a-1
The vibration of each part of the sole is detected by d, and the detected vibration signal is sequentially supplied to the amplifier 3 and the bandpass filter 4 by the relay switch 16 at regular time intervals marked by the first timer 2. And is integrated in the integrating means 5. The integrated value is stored in the storage unit 17 for each part. By storing this integrated value, the relative amount of exercise, that is, the amount of exercise load, at each part of the sole generated by the exercise performed from the start of measurement to the end of measurement is known, and this value is displayed on the display unit 8. It

As described above, according to this embodiment, the intensity of vibration applied to each part of the sole can be measured, and the distribution of the load can be known.

In this embodiment, the vibration detecting means 1 is attached to the sole.
Although an example in which a to 1d are incorporated is shown, it may be incorporated in the sole of a sock.

Further, by using a plurality of the vibration detecting means 1 described in the first to third embodiments as in the present embodiment, the same effect as that of the present embodiment can be obtained, and the foot sole or the Since the distribution of whether or not the body part is extremely burdened is known, it is possible to infer or predict the cause of an accident during exercise or a physical failure due to exercise.

By providing the display means and the storage means in Examples 1 to 4, the monitor function is enhanced, and the display effect is changed by changing the display according to the measured exercise intensity and the like. , It is also possible to incorporate amusement into the exercise itself.

Further, by using the exercise measuring apparatus of Examples 1 to 4, it is possible to know whether or not proper exercise is being performed and to provide feedback, which is effective for use in rehabilitation and various sports exercises.

Further, in the constitution of the movement measuring apparatus of the first to fourth embodiments, the number of steps of each foot is measured, but the vibration detecting means and the unit are wirelessly connected so that the unit receives the step number signals of both feet. Needless to say, it is okay.

[0037]

As is apparent from the above description, according to the present invention, the vibration detecting means incorporated in the shoe sole, the first timer for measuring a constant time interval, and the time measured by the first timer. A configuration including an integration unit that calculates an integrated value of the output of the vibration detection unit for each interval, and a vibration occurrence determination unit that outputs a signal when the output of the integration unit exceeds the first set value, or a vibration is generated in the configuration. A second timer that measures the generation time interval of the signal output from the determination means, and the type of exercise is determined based on the integrated value obtained by the integration means and the data of the generation time interval measured by the second timer. And a third timer for counting the accumulated time according to the type of each exercise based on the determination result of the exercise determining means, and the type of exercise determined by the exercise determining means Against And a constant storage means for storing a constant, and an activity amount calculation means for calculating an activity amount using the accumulated time measured by the third timer and the constant of the constant storage means, or each of the above configurations. Due to the configuration with multiple vibration detection means, it is possible to measure the exact amount of exercise and the number of steps at the same time, to accurately determine the type of exercise, to accurately calculate the amount of exercise activity, and to measure the load distribution on the sole. It is possible to realize an excellent motion measuring device.

[Brief description of drawings]

FIG. 1 is a block diagram of a motion measuring device according to a first embodiment of the present invention.

FIG. 2 is a schematic external view of the motion measuring device.

FIG. 3 is a graph showing outputs of a vibration detecting means, an integrating means, and a vibration occurrence determining means of the motion measuring apparatus.

FIG. 4 is a block diagram of a motion measuring device according to a second embodiment of the present invention.

FIG. 5 is a graph showing outputs of an integrating means and a second timer of the motion measuring device.

FIG. 6 is an explanatory diagram of exercise type determination by the exercise determination means of the exercise measurement device.

FIG. 7 is a block diagram of a motion measuring device according to a third embodiment of the present invention.

FIG. 8 is a block diagram of a motion measuring device according to a fourth embodiment of the present invention.

[Explanation of symbols]

 1 Vibration Detecting Means 2 First Timer 5 Integrating Means 6 Vibration Occurrence Determining Means 11 Second Timer 12 Motion Determining Means 13 Third Timer 14 Constant Storage Means 15 Activity Level Calculating Means

Claims (4)

[Claims] 1. A vibration detecting means incorporated in a shoe sole, a first timer for measuring a constant time interval, and an integrated value of an output of the vibration detecting means for each time interval counted by the first timer. A motion measuring device provided with an integrating means for calculating and a vibration occurrence determining means for outputting a signal when the output of the integrating means exceeds a first set value. 2. A second timer for measuring the generation time interval of the signal output from the vibration occurrence determination means, an integrated value obtained by the integration means, and data of the generation time interval measured by the second timer. The motion measuring device according to claim 1, further comprising motion determining means for determining the type of exercise based on the above. 3. A third timer for counting the accumulated time according to the type of each exercise based on the determination result of the exercise determining means, and a constant corresponding to the type of exercise determined by the exercise determining means. 3. The exercise measuring apparatus according to claim 1, further comprising: a constant storage unit that stores the amount of activity, and an activity amount calculation unit that calculates an activity amount using the cumulative time measured by the third timer and the constant of the constant storage unit. 4. The motion measuring device according to claim 1, further comprising a plurality of vibration detecting means.