Shoe and motion landing area flatness judgment method

Abstract

The invention discloses a shoe and a motion landing area flatness judgment method. The shoe comprises a shoe body, a power supply unit, a sensing unit and a control unit. The power supply unit is arranged on the shoe body and used for providing electric power. The sensing unit is electrically connected with the power supply unit, arranged at the bottom of the shoe body and used for detecting the measuring distance between the shoe body and the ground. The control unit is in signal connection with the sensing unit, calculates a statistical value of the measuring distance in a preset period, and judges that the ground is uneven when the difference between the statistical value and a preset distance is larger than a preset difference. Therefore, a large amount of data can be used for analyzing and judging the ground condition when the wearer moves or walks, so that the probability that the wearer falls down and is injured is reduced.

Description

Technical Field

[0001] The present invention relates to a pair of shoes and a method for judging the flatness of a sports landing area of ​​the shoes, and in particular to a pair of shoes and a method for judging the flatness of a sports landing area of ​​the shoes. Background Art

[0002] When people are exercising or walking outdoors, they may suffer sprains or falls due to uneven roads, potholes, or obstacles (e.g., stones). This may result in the need to rest and prevent them from engaging in outdoor activities. Summary of the invention

[0003] The object of the present invention is to provide a shoe which can reduce the probability of the wearer falling and getting injured.

[0004] The shoes of the present invention include a shoe body, a power supply unit, a sensor unit, and a control unit.

[0005] The power supply unit is arranged on the shoe body and is used for providing power.

[0006] The sensor unit is electrically connected to the power supply unit, is disposed at the bottom of the shoe body, and is used to detect the measured distance between the shoe body and the ground.

[0007] The control unit is signal-connected to the sensor unit to calculate a statistical value of the measured distance in a predetermined period, and when a difference between the statistical value and the predetermined distance is greater than a predetermined difference, it is determined that the ground is uneven.

[0008] In the shoes described in the present invention, the predetermined distance has a maximum predetermined value and a minimum predetermined value. When the statistical value is greater than the maximum predetermined value and the difference is greater than the predetermined difference, or the statistical value is less than the minimum predetermined value and the difference is greater than the predetermined difference, it is judged that the ground is uneven.

[0009] In the shoes of the present invention, the statistical value is an average value of the measured distances during the predetermined period.

[0010] In the shoes of the present invention, when the difference between the statistical value and the predetermined distance is smaller than the predetermined difference, the control unit calculates the average value of the statistical value and the predetermined distance and uses the average value as the new predetermined distance.

[0011] In the shoes of the present invention, after the statistical value is less than the stationary distance for more than the stationary time, the control unit controls the sensor unit to stop detecting.

[0012] In the shoes of the present invention, the sensing unit comprises three groups of sensors, and the sensors are respectively arranged at the bottom of the shoe body corresponding to the forefoot, the arch and the heel.

[0013] The object of the present invention is to provide a method for determining the flatness of a sports landing area, which can reduce the probability of a wearer falling and getting injured.

[0014] The method for determining the flatness of a sports landing area of ​​the present invention is applicable to shoes including a sensor unit and a control unit, and comprises the following steps:

[0015] (A) The sensor unit detects the measured distance between the bottom surface of the shoe and the ground.

[0016] (B) The control unit calculates a statistical value of the measured distance in a predetermined period, and determines that the ground is uneven when a difference between the statistical value and the predetermined distance is greater than a predetermined difference.

[0017] In the method for judging the flatness of a sports landing area described in the present invention, the predetermined distance has a maximum predetermined value and a minimum predetermined value, and when the statistical value is greater than the maximum predetermined value and the difference is greater than the predetermined difference, or when the statistical value is less than the minimum predetermined value and the difference is greater than the predetermined difference, the ground is judged to be uneven.

[0018] In the method for determining the flatness of a sports landing area of ​​the present invention, when the difference between the statistical value and the predetermined distance is less than the predetermined difference, the average value of the statistical value and the predetermined distance is calculated and used as the new predetermined distance.

[0019] In the method for determining the flatness of a sports landing area of ​​the present invention, after the statistical value is less than the static distance for more than the static time, the control unit controls the sensor unit to stop detecting.

[0020] The beneficial effect of the present invention is that by setting the sensor unit to detect the measured distance from the ground, and cooperating with the control unit to compare whether the difference between the statistical value and the predetermined distance is greater than the predetermined difference to determine whether the ground is flat, a large amount of data analysis can be used to determine the ground condition when the wearer is exercising or walking, so as to reduce the probability of the wearer falling and getting injured. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of an embodiment of the shoe of the present invention;

[0022] Figure 2 is a schematic diagram of the bottom of the embodiment;

[0023] Figure 3 is a circuit block diagram of the embodiment; and

[0024] Figure 4 Another arrangement method of the plurality of sensors of the embodiment is described. DETAILED DESCRIPTION

[0025] See also Figure 1 , Figure 2 and Figure 3 An embodiment of the shoe of the present invention is illustrated by taking a pair of shoes. Each of the shoes comprises a shoe body 2, a power supply unit 3, a sensor unit 4, and a control unit 5. Each of the shoes or every two of the shoes (i.e., a pair of the shoes) can optionally further comprise an alarm unit 6.

[0026] The power supply unit 3 is disposed on the shoe body 2 to provide power. In this embodiment, the power supply unit 3 is a rechargeable battery and is charged, for example, by a USB interface or wireless charging technology, but can also be implemented using a disposable battery.

[0027] The sensor unit 4 is electrically connected to the power supply unit 3 to receive power, and is disposed at the bottom of the shoe body 2 (for example, it can be disposed at a midsole of the shoe, and the thickness of the midsole must be greater than 12 mm (millimeter)), and is used to detect a measured distance between the shoe body 2 and the ground. The sensor unit 4 includes three sets of sensors 41, and the sensors 41 are respectively disposed at the bottom of the shoe body 2 corresponding to the forefoot, the arch of the foot, and the heel, and as shown in FIG. Figure 1 As shown by the arrows, detection is performed 60 degrees forward, vertically downward, and 60 degrees backward to obtain ground information at the front lower part, the lower part, and the rear lower part of the shoe body 2. Figure 4 As shown, in other embodiments, the sensors 41 corresponding to the forefoot and the heel can also be set at a vertical angle, that is, the sensors 41 are directly facing the front and the back of the shoe body 2 to collect data from the front and the back, thereby increasing the sensing angle. Figure 2 In this embodiment, the number of sensors 41 disposed at the forefoot, arch and heel is three, two and two respectively, but this number can be adjusted according to actual needs (e.g., the size of the shoe body 2, cost, detection accuracy, etc.), and is not limited thereto. The sensor 41 is an ultrasonic sensor, which has the function of transmitting and receiving ultrasonic waves, and the frequency used is between 23kHz and 40kHz.

[0028] See also Figure 1 , Figure 2 and Figure 3, the control unit 5 can be a logic circuit, an integrated circuit or a single chip, for example, it can be implemented using a microprocessor. The control unit 5 is signal-connected to the sensor unit 4 to receive the information of the measured distance. The control unit 5 can be arranged on the shoe body 2 and electrically connected to the power supply unit 3, or arranged on a wearable device (not shown, for example, a smart watch), or arranged on a portable electronic device (not shown, for example, a smart phone). The control unit 5 calculates a statistical value of the measured distance in a predetermined period, and when the difference between the statistical value and a predetermined distance is greater than a predetermined difference, it is determined that the ground is uneven and an alarm signal is output.

[0029] In this embodiment, the control unit 5 groups the measured distances detected by the sensors 41 for calculation and comparison, that is, calculates the statistical value of the measured distances of each group of the sensors 41 and compares it with the respective predetermined distances to determine whether the road surface detected by each group of the sensors 41 is flat. However, the control unit 5 can also calculate and compare the measured distances detected by each sensor 41 separately to determine whether the road surface detected by each sensor 41 is flat.

[0030] It is worth noting that in order to reduce the situation where the sensor 41 mistakenly receives the signal emitted by other sensors 41 and causes misjudgment, if the measured distance of a single detection has a large difference (for example, a difference of more than 2 to 6%) from the previous and next values ​​(or from the average value of the predetermined distance), it will be regarded as erroneous data and will not be included in the calculation.

[0031] The statistical value is the average value of the measured distance in the predetermined period, and the value of the predetermined period is, for example, 1 to 3 seconds. The predetermined distance can be a value, or a numerical interval with a maximum predetermined value and a minimum predetermined value. The control unit 5 determines that the ground is uneven when the statistical value is greater than the maximum predetermined value and the difference is greater than the predetermined difference (indicating that there are potholes on the ground), or when the statistical value is less than the minimum predetermined value and the difference is greater than the predetermined difference (indicating that there are obstacles on the ground). The value of the predetermined difference is, for example, 3 cm to 5 cm.

[0032] The predetermined distance can be a fixed value set in advance, or only an initial value is set first, and dynamically adjusted when the wearer walks. For example, when the wearer walks, the control unit 5 calculates the average value of the statistical value and the predetermined distance when the difference between the statistical value and the predetermined distance is less than the predetermined difference, and uses it as the new predetermined distance. For example, assuming that the predetermined distance is in the interval of 5 to 10 cm, when the statistical value is 6.5 cm, the average (7 cm) of the statistical value (6.5 cm) and the average value (7.5 cm) of the interval of the predetermined distance is taken as the new average value of the predetermined distance, and the same interval length is maintained, and the new interval of the predetermined distance is obtained to be 4.5 to 9.5 cm.

[0033] Wherein, when the statistical value is less than a static distance for more than a static time, it indicates that the shoe body 2 is currently in a static state, and the control unit 5 controls the sensor unit 4 to stop detecting. The static distance is, for example, 0 to 3 cm, and the static time is, for example, 5 to 10 seconds. Wherein, when it is determined that the shoe body 2 is in a static state, a dynamic detection device (not shown in the figure, such as an accelerometer or a gyroscope, etc.) provided in the shoe body 2 can detect whether the shoe body 2 moves. If movement is detected, a signal will be generated to the control unit 5, and the control unit 5 will control the sensor unit 4 to restart detection. Or it can be combined with the wearable device (smart watch) or the portable electronic device (smart phone) outside the shoe body 2 for linked detection, for example, a signal is sent to the control unit 5 through a smart watch or a smart phone to restart detection.

[0034] The warning unit 6 is connected to the control unit 5, receives the warning signal and emits sound or light to warn the wearer of uneven road surface. The warning unit 6 can be set on the shoe body 2, or on the wearable device or the portable electronic device. Since those skilled in the art can infer the expanded details based on the above description, no further description is given.

[0035] An embodiment of the method for determining the flatness of a sports landing area of ​​the present invention is applicable to the above-mentioned shoes, and the method for determining the flatness of a sports landing area comprises the following steps:

[0036] Step (A): The sensor unit 4 detects a measured distance between the bottom surface of the shoe and the ground.

[0037] Step (B): Calculate a statistical value of the measured distance within a predetermined period, and determine that the ground is uneven when the difference between the statistical value and a predetermined distance is greater than a predetermined difference.

[0038] The predetermined distance has a maximum predetermined value and a minimum predetermined value. When the statistical value is greater than the maximum predetermined value and the difference is greater than the predetermined difference, or the statistical value is less than the minimum predetermined value and the difference is greater than the predetermined difference, the ground is judged to be uneven.

[0039] When the difference between the statistical value and the predetermined distance is smaller than the predetermined difference, an average value of the statistical value and the predetermined distance is calculated and used as the new predetermined distance.

[0040] When the statistical value is less than a static distance for more than a static time, the control unit 5 controls the sensor unit 4 to stop detecting.

[0041] Through the above description, the effects of this embodiment are as follows:

[0042] 1. By setting the sensor unit 4 to detect the measured distance from the ground, and cooperating with the control unit 5 to compare whether the difference between the statistical value and the predetermined distance is greater than the predetermined difference to determine whether the ground is flat, this embodiment can use a large amount of data analysis to determine the ground condition when the wearer is exercising or walking, so as to reduce the probability of the wearer falling and getting injured.

[0043] Second, when the difference between the statistical value and the predetermined distance is less than the predetermined difference, the control unit 5 calculates the average value of the statistical value and the predetermined distance and uses it as the new predetermined distance. The value of the predetermined distance can be dynamically adjusted to be closer to the wearer's walking habits, thereby achieving better judgment accuracy.

[0044] 3. When the statistical value is less than a static distance for more than a static time, the control unit 5 controls the sensor unit 4 to stop detecting, thereby saving unnecessary power consumption.

[0045] In summary, the shoe and the method for judging the flatness of the sports landing area of ​​the present invention can indeed achieve the purpose of the present invention.

[0046] The above descriptions are merely embodiments of the present invention and should not be used to limit the scope of the present invention. That is, any simple equivalent changes and modifications made according to the claims and description of the present invention still fall within the scope of the present invention.

Claims

1. A shoe, comprising: a shoe body; Features: The shoe also includes a power supply unit, a sensor unit, and a control unit; The power supply unit is disposed on the shoe body and is used to provide power; The sensor unit is electrically connected to the power supply unit, is disposed at the bottom of the shoe body, and is used to detect the measured distance between the shoe body and the ground; The control unit is signal-connected to the sensor unit to calculate a statistical value of the measured distance in a predetermined period, and when a difference between the statistical value and the predetermined distance is greater than a predetermined difference, it is determined that the ground is uneven.

2. The shoe according to claim 1, characterized in that: The predetermined distance has a maximum predetermined value and a minimum predetermined value. When the statistical value is greater than the maximum predetermined value and the difference is greater than the predetermined difference, or the statistical value is less than the minimum predetermined value and the difference is greater than the predetermined difference, it is determined that the ground is uneven.

3. The shoe according to claim 1, characterized in that: The statistical value is an average value of the measured distances during the predetermined period.

4. The shoe according to claim 1, characterized in that: When the difference between the statistical value and the predetermined distance is smaller than the predetermined difference, the control unit calculates an average value of the statistical value and the predetermined distance and uses the average value as a new predetermined distance.

5. The shoe according to claim 1, characterized in that: After the statistical value is less than the stationary distance for more than the stationary time, the control unit controls the sensor unit to stop detecting.

6. The shoe according to claim 1, characterized in that: The sensing unit includes three groups of sensors, which are respectively arranged at the bottom of the shoe body corresponding to the forefoot, the arch and the heel.

7. A method for judging the flatness of a sports landing area, applicable to shoes comprising a sensor unit and a control unit, characterized in that: The method for determining the flatness of a sports landing area comprises the following steps: The sensor unit detects the measured distance between the bottom surface of the shoe and the ground; and The control unit calculates a statistical value of the measured distance in a predetermined period, and determines that the ground is uneven when a difference between the statistical value and the predetermined distance is greater than a predetermined difference.

8. The method for determining the flatness of a sports landing area according to claim 7, characterized in that: The predetermined distance has a maximum predetermined value and a minimum predetermined value. When the statistical value is greater than the maximum predetermined value and the difference is greater than the predetermined difference, or the statistical value is less than the minimum predetermined value and the difference is greater than the predetermined difference, it is determined that the ground is uneven.

9. The method for determining the flatness of a sports landing area according to claim 7, characterized in that: When the difference between the statistical value and the predetermined distance is smaller than the predetermined difference, an average value of the statistical value and the predetermined distance is calculated and used as a new predetermined distance.

10. The method for determining the flatness of a sports landing area according to claim 7, characterized in that: After the statistical value is less than the stationary distance for more than the stationary time, the control unit controls the sensor unit to stop detecting.

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