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Fall protection method and wearable fall protection device

A protective device and trigger device technology, which is applied in the direction of protective clothing, clothing, character and pattern recognition, etc., can solve problems such as troublesome signal users for help, and achieve the effects of preventing false positives, improving accuracy, and reducing injuries

Pending Publication Date: 2021-08-24
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The fall protection method provided by the present invention aims to solve the problem that the fall protection device in the prior art has missed reports, false positives and indiscriminate sending of help signals, causing troubles to users

Method used

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  • Fall protection method and wearable fall protection device
  • Fall protection method and wearable fall protection device

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Embodiment 1

[0057] The embodiment of the present invention also provides a fall protection method, such as figure 1 The following steps are shown:

[0058] S01: Obtain the motion information of the human body, the motion information includes the acceleration, angular velocity and inclination of the X-axis, Y-axis and Z-axis of the human body;

[0059]The motion information of the human body is obtained through the inertial measurement unit. The sensor module collects the acceleration of the X-axis, Y-axis and Z-axis of the human body by using a three-axis accelerometer, and collects the angular velocity of the X-axis, Y-axis and Z-axis of the human body by using a three-axis gyroscope. The fusion algorithm obtains the inclination information of the human body, so as to accurately collect the acceleration, angular velocity and inclination angle of the human body when it falls. Wherein, the inclination angle of the human body is defined as the angle between the human body and the horizonta...

Embodiment 2

[0098] see Figure 1-3 , the embodiment of the present invention provides a wearable fall protection device, such as Figure 8 shown, including:

[0099] A waist belt 2, the ends of the belt 2 are provided with matching buckles 7 for wearing the belt on the waist of the human body;

[0100] An inflatable airbag arranged on the waist belt, the air inlet of the inflatable airbag is connected to the gas cylinder 4 through the air guide tube 3;

[0101] A fall detection module 5, the fall detection module 5 is used to detect the user's motion information and judge the user's fall according to the motion information, and simultaneously send a trigger signal to the control device;

[0102] Gas cylinder 4, described gas cylinder 4 is used for preserving gas;

[0103] The trigger device 6 is used to trigger the opening of the gas cylinder 4 to realize the inflation of the inflatable airbag;

[0104] The control device is used to control the trigger device to turn on according to t...

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Abstract

The invention is suitable for the field of tumble protection, and provides a fall protection method and a wearable fall protection device. The fall protection method comprises the following steps: acquiring motion information of a human body, wherein the motion information comprises accelerated speeds, angular speeds and inclination angles of an X axis, a Y axis and a Z axis of the human body; according to the motion information, calculating the probability that the human body falls down according to a falling down detection model, and when the probability is larger than a preset threshold value, judging that the human body falls down, sending a trigger signal to a trigger device to open an air cylinder, and achieving rapid inflation of the inflatable air bag. According to the fall protection method provided by the embodiment of the invention, the event before fall collision can be detected, that is, the fall probability of the user is judged and the action is made in advance when the user does not fall, so that the injury to the user can be relieved in time.

Description

technical field [0001] The invention belongs to the field of protection devices, in particular to a fall protection device and a protection method. Background technique [0002] At present, fall detection systems at home and abroad can be divided into video image-based systems and wearable sensor systems, but video image-based systems are mostly used to detect and alarm falls, while wearable sensor systems can detect falls before collisions , while achieving protection against falls and collisions. For the realization of the fall protection airbag, most of them use a six-axis or nine-axis inertial measurement unit to measure the acceleration, angular velocity and attitude angle of the human body, and set a fixed threshold algorithm to judge the fall. Although this method takes up less resources and can detect some falls, due to individual differences in people, there are always some people whose fall threshold is greater or less than the set fixed value, and these devices w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A41D13/018G06K9/62
CPCA41D13/018G06F18/213G06F18/2415
Inventor 曾庆山李航任海川李金宝
Owner ZHENGZHOU UNIV
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