CN106781275A - A kind of footwear and its fall detection method and device for fall detection - Google Patents

Abstract

The invention discloses a shoe for fall detection and its fall detection method and device, wherein the device includes: a pressure sensor arranged at the bottom of the shoe for detecting the pressure generated by a person on the shoe; a first photosensitive sensor arranged at the bottom of the shoe The sole of the shoe is used to detect the light projected to the sole; the alarm is used to send an alarm prompt when the person wearing the shoe falls; the controller is connected with the pressure sensor and the first photosensitive sensor It is respectively connected with the alarm, and is used to control the alarm to give an alarm according to the signals detected by the pressure sensor and the first photosensitive sensor. In the present invention, by using the first photosensitive sensor to detect the light on the sole and the pressure sensor to detect the pressure on the sole, it can be combined with changes in the light on the sole and the pressure on the sole to determine whether a person has fallen, thereby reducing errors without affecting the detection accuracy. Judgment probability, but also applicable to any shoe.

Description

A shoe for fall detection and its fall detection method and device

technical field

The invention relates to the technical field of detection, in particular to a shoe used for fall detection and a fall detection method and device thereof.

Background technique

With the aging development of China's population and the impact of family planning, the time for children to accompany the elderly is limited, and more and more elderly people live alone. If an elderly person falls and falls at home alone due to some accident or sudden disease, the rescue time will be delayed because no one calls the police in time, and even life-threatening. Therefore, timely detection and alarm treatment are of great significance to the elderly.

The current monitoring system mostly adopts the method of video monitoring, and it is often difficult for family members to discover the illness in the first place, and real-time video monitoring is not convenient for protecting the privacy of the elderly.

Chinese patent document CN106108247A discloses a wearable fall alarm multifunctional insole device, which specifically discloses a first pressure sensor, a second pressure sensor, a third pressure sensor, a fourth pressure sensor, a pedometer, a wireless transmitter, The insole body, the pedometer, and the wireless transmitter are all located in the insole body, and the first pressure sensor, the second pressure sensor, the third pressure sensor, and the fourth pressure sensor are respectively located on the four feet of the insole body. Sensors, the second pressure sensor, the third pressure sensor, and the fourth pressure sensor are used to detect the pressure values of people in various directions when walking or exercising; The number of steps; the wireless transmitter is located on one side of the pedometer and is connected with the pedometer, the first pressure sensor, the second pressure sensor, the third pressure sensor, and the fourth pressure sensor, for connecting the first pressure sensor , the second pressure sensor, the third pressure sensor, and the fourth pressure sensor detect pressure values and step counting values and other data information and send them to the mobile phone through bluetooth.

However, in this solution, when the old man is on tiptoe or going up the stairs, there is only partial pressure on the insole, which may easily cause the fall alarm to be triggered by mistake. That is, although this solution can detect the fall of the old man, its detection accuracy The degree is low, and it is easy to generate false alarms. In addition, the elderly often wear slippers indoors for the convenience of wearing shoes, and the insoles in this solution are not suitable.

Contents of the invention

The technical problem to be solved by the present invention is that fall detection in the prior art is prone to false alarms, and the measurement accuracy is low, thereby providing a shoe for fall detection and a fall detection method and device thereof.

According to an aspect of the embodiments of the present invention, a fall detection device is provided, including: a pressure sensor, arranged on the bottom of the shoe, for detecting the pressure generated by a person on the shoe; a first photosensitive sensor, arranged on the sole of the shoe, used to detect the light projected to the sole of the shoe; the alarm is used to issue an alarm prompt when the person wearing the shoe falls; the controller is respectively connected to the pressure sensor, the first photosensitive sensor and the alarm connected, for controlling the alarm to alarm according to the signals detected by the pressure sensor and the first photosensitive sensor.

Optionally, it also includes: a wireless communication module connected to the controller and used to send a distress signal to the remote terminal.

Optionally, it also includes: a timer, connected to the controller, for sending a command to the controller when the timing reaches a preset time, so as to control the wireless communication module to send the help request to the remote terminal Signal.

Optionally, it also includes: a sound sensor connected to the controller for receiving voice control commands.

Optionally, it further includes: a positioning module, arranged in the shoe and connected to the controller.

Optionally, it also includes: an auxiliary lighting module, arranged on the sole of the shoe, connected to the controller, and used to emit light when the ambient light is insufficient, wherein the first photosensitive sensor is also used to detect the The light emitted by the auxiliary lighting module and the light reflected by it.

Optionally, it also includes: a second photosensitive sensor, arranged on the upper surface of the shoe, for detecting the brightness of the ambient light.

Optionally, there are multiple pressure sensors, which are respectively arranged at different positions on the bottom of the shoe, and are used to detect the pressure at corresponding positions.

Optionally, it also includes: a rechargeable battery, used to provide electrical energy to each component of the fall detection device.

Optionally, it also includes: a charging interface, arranged at the front end of the shoe, for connecting with a charging socket to charge the rechargeable battery.

Another aspect of the embodiments of the present invention provides a shoe for fall detection, including: the fall detection device.

Another aspect of the embodiments of the present invention provides a fall detection method used in the fall detection device, including: obtaining the pressure value detected by the pressure sensor; obtaining the light signal detected by the first photosensitive sensor; according to the The change of the pressure value and the change of the light signal determine whether the person has fallen; when it is determined that the person has fallen, the alarm is controlled to issue an alarm prompt.

Optionally, when the control alarm sends out an alarm prompt, start counting; when the counting time reaches a preset time, control the wireless communication module to send a distress signal to the remote terminal.

According to the embodiment of the present invention, by using the first photosensitive sensor to detect the light of the sole and the pressure sensor to detect the pressure of the sole, it is possible to determine whether a person has fallen by combining the light change of the sole and the pressure change of the sole, so as not to affect the detection accuracy. , reduces the probability of misjudgment, and is applicable to any shoe.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is a functional block diagram of a specific example of a fall detection device in an embodiment of the present invention;

FIG. 2 is a functional block diagram of another specific example of a fall detection device in an embodiment of the present invention;

Fig. 3 is a schematic diagram of the implementation of the charging interface in the embodiment of the present invention;

Fig. 4 is a flowchart of a specific example of a fall detection method in an embodiment of the present invention.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically or electrically connected; it can be directly connected, or indirectly connected through an intermediary, or it can be the internal communication of two components, which can be wireless or wired connect. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as there is no conflict with each other.

This embodiment provides a fall detection device, which is arranged on shoes and is used to detect whether the elderly, children or patients have fallen. As shown in Figure 1, the fall detection device includes: a pressure sensor 10, a first photosensitive sensor 20, Alarm 30 and controller 40.

The pressure sensor 10 is arranged at the bottom of the shoe, and is used to detect the pressure that a person exerts on the shoe.

When the human body stands or walks, it will generate pressure on the soles, and it will show a certain regularity. When a person falls from a standing state or a walking state, the pressure will change sharply in a short period of time, which can be used to judge whether the human body is A data base for falls.

The pressure sensor 10 can detect the pressure on the sole of the shoe in real time, and then convert the detected pressure into a pressure electrical signal and send it to the controller 40. The controller 40 can determine the pressure change of the sole according to the detected pressure electrical signal.

In this embodiment, there may be one or more pressure sensors. When there are multiple pressure sensors, they are respectively arranged at different positions of the bottom of the shoe, such as the sole of the foot and the heel, to detect the pressure at the corresponding position, so as to pass the pressure of each position. Changes in pressure to determine whether a person has fallen.

The first photosensitive sensor 20 is arranged on the sole of the shoe for detecting the light projected onto the sole.

Similarly, when the human body is standing or walking, the light on the soles of the shoes will also change accordingly. For example, when an old man falls or faints, the final state of the shoes will generally be one shoe rollover, two shoes rollover and the shoes From the feet, it is possible to judge whether the elderly have fallen or fainted according to the light and dark changes at the bottom of the shoes. For example, periodic light and dark changes indicate that you are walking, but a sudden high brightness for a period of time may cause a fall, and then use multiple parameters such as the pressure sensor to make a comprehensive judgment. If an accident occurs, a distress signal will be sent. Since the first photosensitive sensor 20 is used to detect light from the sole, the first photosensitive sensor 20 is arranged on the sole.

The alarm 30 is used to send an alarm prompt in the case of a person wearing shoes falling down. In this embodiment, the alarm device 30 may be a buzzer for sound alarm, or an alarm light for light alarm.

The controller 40 is respectively connected with the pressure sensor 10 , the first photosensitive sensor 20 and the alarm 30 , and is used to control the alarm 30 to give an alarm according to the signals detected by the pressure sensor 10 and the first photosensitive sensor 20 .

According to the embodiment of the present invention, by using the photosensitive sensor to detect the light on the sole and the pressure sensor to detect the pressure on the sole, it is possible to determine whether a person has fallen by combining the change in the light on the sole and the change in the pressure on the sole, so as not to affect the detection accuracy. The probability of misjudgment is reduced, and it is applicable to any shoe.

As an optional implementation manner, as shown in FIG. 2 , on the basis of the above embodiments, the fall detection device further includes: a wireless communication module 50 connected to the controller 40 and configured to send a distress signal to a remote terminal.

The wireless communication module can be a mobile communication module, connected to a remote terminal through the mobile Internet, for example, a GPRS module, a GSM module, a 3G module, a 4G module, etc., or a Bluetooth module, a Zigbee module, a WIFI module, etc., connected to a remote terminal through the Internet terminal connection. The remote terminal includes, but is not limited to, a mobile phone, a tablet computer, and a personal computer. In the embodiment of the present invention, by adding a wireless communication module, when the elderly and children fall or faint, their family members or the emergency center can be notified in time, and emergency situations can be called for help at the first time, thus saving time for rescue.

As a further optional implementation, as shown in FIG. 2 , the fall detection device of this embodiment also includes: a timer 60, connected to the controller 40, for sending a command to the controller 40 when the timing reaches a preset time, To control the wireless communication module 50 to send a distress signal to the remote terminal.

In this embodiment, the timer 60 can start counting when an alarm prompt is issued. When the preset time is reached, if the alarm has not been released, the controller will send a command that the timing time is up, and the controller 40 will control the wireless communication module 50 to The remote terminal sends a distress signal. The preset time described in this embodiment is the time reserved for the person wearing the shoes to cancel the alarm, which can be set as required or determined according to the statistical help time. When the alarm is not released after the preset time, it means that the person wearing the shoes has fainted or is in a dangerous state where the alarm cannot be released, and immediately seek help from the family member or the emergency center, so as to avoid the alarm being triggered by mistake. signal situation.

As another optional implementation manner, the fall detection device of this embodiment further includes: a sound sensor, connected to the controller, for receiving voice control commands.

Optionally, as shown in 2, the sound sensor 70 can be used to recognize the voice control command of the person wearing the shoes. This command can be used to disarm the alarm, or to adjust the mode of the fall detection device, or to Receive the voice distress signal of the person wearing the shoes, and then send the distress signal outward under the control of the controller 40 . The sound sensor 70 will send commands to the controller 40, which will perform corresponding control.

If the monitoring module judges that the person wearing the shoes has fallen or fainted, it will first send out an audible and visual pre-alarm. If there is a false alarm caused by some reasons similar to the posture of falling and fainting, you can use voice control mode, voice recognition or restore normal posture, etc. way to cancel the pre-alarm.

As an optional implementation manner of the above-mentioned embodiment, the fall detection device of this embodiment further includes: a positioning module 80 disposed in the shoe and connected to the controller 40 . In this embodiment, the positioning module 80 may be an outdoor positioning module (such as a GPS module) and/or an indoor positioning module (such as a WIFI positioning module, a Bluetooth positioning module, etc.). By locating the person wearing the shoes, family members or emergency personnel can quickly locate and receive their location after the distress signal is sent out.

As an optional implementation mode, the fall detection device in the embodiment of the present invention further includes: an auxiliary lighting module 90, which is arranged on the sole of the shoe and connected to the controller 40, and is used to emit light when the ambient light is insufficient, wherein the first A photosensitive sensor 20 is also used to detect the light emitted by the auxiliary lighting module 90 and the reflected light.

When the ambient light is insufficient, in this embodiment, the auxiliary lighting module 90 at the bottom of the shoe works, so that the first photosensitive sensor 20 can receive the emitted or reflected light and work normally. In this embodiment, when the sole is in contact with the ground, the light of the auxiliary lighting module 90 is blocked, and the first photosensitive sensor 20 cannot detect the light. When the foot is lifted, the light emitted by the auxiliary lighting module 90 can be detected by the first photosensitive sensor According to this principle, it can be used as the basic data for judging whether to fall.

As a further improved implementation, in this embodiment, the fall detection device further includes a second photosensitive sensor 110, which is arranged on the shoe and used to detect the brightness of the ambient light. When insufficient light is detected, for example below a certain value, the controller 40 controls the auxiliary lighting module 90 to turn on.

The fall detection device according to the embodiment of the present invention further includes: a rechargeable battery, which is used to provide electric energy to each component of the fall detection device. When the power is low, an audible and visual prompt will be issued. There is no need to disassemble the monitoring module for charging, and the customized shoes can be directly inserted into the socket of the corner charging stand for charging.

Furthermore, in order to facilitate charging, the fall detection device according to the embodiment of the present invention further includes: a charging interface, which is arranged on the front end of the shoe, and is used for connecting with a charging socket to charge the rechargeable battery. As shown in FIG. 3 , the charging interface 100 is arranged on the front end of the shoe. When charging is required, the charging interface can be directly aligned with the charging socket and inserted.

The details of disassembly-free charging are shown in Figure 3. When the power of the device is insufficient, the custom-made shoes will emit sound and light prompts; insert the charging port of the custom-made shoes into the socket of the charging stand; insert the power plug of the charging stand into the switch panel on the corner for charging; After the customized shoes are fully charged, the indicator light of the charging stand will indicate that the charging is complete.

The fall detection device of the embodiment of the present invention includes various sensors such as a pressure sensor, a first photosensitive sensor, and an acoustic sensor, and is used to detect the use state of the custom-made shoes and the movement state of the elderly after wearing the custom-made shoes, and judge whether there is a fall in real time In the case of fainting, specific actions can also be used to set the monitoring and alarm device, and switch between multiple operating modes, such as stomping three times in a row; the delay module is to prevent false alarms, and can be used in various ways during the delay period. Release, such as voice control mode, voice recognition or return to normal posture, etc.; the wireless module is to automatically send a distress signal, and the distress signal is sent to the family's mobile phone and the hospital emergency center.

An embodiment of the present invention also provides a shoe for fall detection, the shoe comprising: the fall detection device described in the above embodiments of the present invention.

The embodiment of the present invention also provides a fall detection method, which can be used in the fall detection device described in the above embodiments of the present invention to detect whether the person wearing the shoes has fallen and give a corresponding alarm. As shown in Figure 4, the fall detection method includes:

Step S301, acquiring the pressure value detected by the pressure sensor.

When the human body stands or walks, it will generate pressure on the soles, and it will show a certain regularity. When a person falls from a standing state or a walking state, the pressure will change sharply in a short period of time, which can be used to judge whether the human body is A data base for falls.

The pressure sensor 10 can detect the pressure on the sole of the shoe in real time, and then convert the detected pressure into a pressure electrical signal and send it to the controller 40. The controller 40 can determine the pressure change of the sole according to the detected pressure electrical signal.

Step S302, acquiring a light signal detected by the first photosensitive sensor.

Similarly, when the human body is standing or walking, the light on the soles of the shoes will also change accordingly. For example, when an old man falls or faints, the final state of the shoes will generally be one shoe rollover, two shoes rollover and the shoes From the feet, it is possible to judge whether the elderly have fallen or fainted according to the light and dark changes at the bottom of the shoes. For example, periodic light and dark changes indicate that you are walking, but a sudden high brightness for a period of time may cause a fall, and then use multiple parameters such as the pressure sensor to make a comprehensive judgment. If an accident occurs, a distress signal will be sent. Since the first photosensitive sensor 20 is used to detect light from the sole, the first photosensitive sensor 20 is arranged on the sole.

The controller obtains the signals detected by the pressure sensor and the first photosensitive sensor as basic data for judging the fall.

Step S303, determine whether the person has fallen or not according to the change of the pressure value and the change of the light signal.

As mentioned above, when the wearer falls, the pressure on the sole and the light on the sole will have corresponding changes, so that it can be judged whether the wearer has fallen.

Step S304, when it is determined that a person has fallen, the alarm is controlled to issue an alarm.

All under the situation that the person who wears shoes is determined to fall, carry out corresponding alarm.

According to the embodiment of the present invention, judging whether the wearer has fallen by combining parameters such as the pressure of the wearer on the sole and the light change of the sole, is equivalent to determining the wearer only by the pressure of each part of the sole in the prior art. In the way of falling or not, the solution of the embodiment of the present invention has the advantages of reducing the probability of misjudgment, being applicable to any shoe, and improving the detection accuracy.

Optionally, in the embodiment of the present invention, it is determined whether the person has fallen according to the change of the pressure value and the change of the light signal. Specifically, the change of the pressure value may be used to judge first. , then judge whether the change of the light signal satisfies the change of the fall state (if the light signal is continuously detected, it indicates that the sole is not in contact with the bottom surface), if it is satisfied, it is determined that the person wearing the shoe has fallen.

As an optional implementation, in the embodiment of the present invention, the method further includes: when controlling the alarm to issue an alarm prompt, start timing; when the timing reaches a preset time, controlling the wireless communication module to send a distress signal to the remote terminal.

In order to prevent the frequent sending of distress signals and avoid sending distress signals in the event of false alarms, the fall detection method in this embodiment adds timing control. The controller sends a command that the timing is up, and the controller 40 controls the wireless communication module 50 to send a distress signal to the remote terminal. The preset time described in this embodiment is the time reserved for the person wearing the shoes to cancel the alarm, which can be set as required or determined according to the statistical help time. When the alarm is still not released after the preset time, it means that the person wearing the shoes has fainted or is in a dangerous state where the alarm cannot be released, and immediately seeks help from his family or emergency center, so as to avoid calling for help due to false triggering of the alarm signal situation.

As another optional implementation, the fall detection method of the embodiment of the present invention further includes: judging whether the light intensity of the outside world is less than a certain value according to the change of the pressure value and the change of the light signal, that is, judging whether the person wearing the shoes is in the In a dark space, such as at night; if so, start the auxiliary lighting module; the first photosensitive sensor detects the light change of the auxiliary lighting module as the basic data for judging whether to fall.

Specifically, for the judgment of the external light intensity, the external light intensity can be judged according to the second photosensitive sensor on the shoe surface. If the light intensity is lower than a certain threshold, the auxiliary lighting module is turned on.

The method of the embodiment of the present invention also includes: judging whether the shoes have not been used for a long time (a set period), if so, then controlling to enter a sleep mode to reduce power consumption, and waking up other modules to work if it is detected that someone is using it.

In summary, the technical solutions of the embodiments of the present invention can achieve the following technical effects:

1) The indoor floor of the home is relatively flat and clean. By installing a monitoring module on the shoes, it is possible to monitor in real time whether the elderly have fallen or fainted.

2) For false alarms that occur during use, they can be released in various ways during the delay time, so as to avoid falsely triggered distress signals being sent.

3) It can automatically call the police for help in case of emergency at the first time, so as to save time for rescue.

4) It is not necessary to monitor the elderly in a real-time video mode, so as to facilitate the protection of the privacy of the elderly.

5) The disassembly-free charging method avoids cumbersome disassembly, and it is easier for the elderly to use.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, on the basis of the above description, other changes or changes in different forms can also be made. It is not necessary and impossible to exhaustively list all the implementation manners here. However, the obvious changes or changes derived therefrom are still within the scope of protection of the present application.

Claims (10)

1. a kind of falling detection device, it is characterised in that including：

Pressure sensor, is arranged on the bottom of footwear, for detecting the pressure that people produces to footwear；

First light sensor, is arranged on the sole of the footwear, and the light of sole is projected for detecting；

Alarm, for sending alarm in the case where people's tumble of the footwear is worn；

Controller, is connected, in basis respectively with the pressure sensor, first light sensor and the alarm The signal that the pressure sensor and first light sensor are detected controls the alarm to be alarmed.

2. falling detection device according to claim 1, it is characterised in that also include：

Wireless communication module, is connected with the controller, for sending distress signal to remote terminal.

3. falling detection device according to claim 2, it is characterised in that also include：

Timer, is connected with the controller, is ordered for being sent to the controller when timing reaches Preset Time, to control Make the wireless communication module and send the distress signal to the remote terminal.

4. falling detection device according to claim 1, it is characterised in that also include：

Sound transducer, is connected, with the controller for receiving voice control command.

5. falling detection device according to claim 1, it is characterised in that also include：

Locating module, is arranged in the footwear, is connected with the controller.

6. falling detection device according to claim 1, it is characterised in that also include：

Floor light module, is arranged on the sole of the footwear, is connected with the controller, for being sent when ambient light is not enough Light, wherein, first light sensor is additionally operable to detect the light of the light that the floor light module sends and its reflection Line.

7. falling detection device according to claim 6, it is characterised in that also include：

Second light sensor, is arranged on above the footwear, the light levels for detecting ambient light.

8. the falling detection device according to any one of claim 1 to 7, it is characterised in that the pressure sensor is many It is individual, the diverse location of the bottom of the footwear is separately positioned on, the pressure for detecting relevant position.

9. a kind of footwear for fall detection, it is characterised in that including：Fall detection dress described in any one of claim 1 to 8 Put.

10. the fall detection method of a kind of falling detection device for described in any one of claim 1 to 8, it is characterised in that Including：

Obtain the pressure value that pressure sensor is detected；

Obtain the optical signal that the first light sensor is detected；

The change of change and the optical signal according to the pressure value determines whether people falls；

In the case of determining that the people falls, control alarm sends alarm.