CN112931991A

CN112931991A - Old man falling-resistant garment and falling-resistant method

Info

Publication number: CN112931991A
Application number: CN201911172275.2A
Authority: CN
Inventors: 周迎; 丁烈云; 骆汉宾; 杜明溪; 杨松傲; 梅雅琴
Original assignee: Huazhong University of Science and Technology
Current assignee: Huazhong University of Science and Technology
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2021-06-11

Abstract

The invention discloses a falling-preventing garment for the old and a falling-preventing method. The old man prevents falling the clothes and includes: coat, single-chip computer, attitude sensor, controlling device, gas cylinder and gasbag; the singlechip, the attitude sensor, the control device, the gas cylinder and the gas bag are all arranged on the coat; the attitude sensor and the control device are electrically connected with the single chip microcomputer; the control device and the air bag are respectively connected with the air bottle; the single chip microcomputer is used for acquiring attitude data acquired by the attitude sensor and generating a control instruction; the control device is used for controlling the gas cylinder to be opened; the gas cylinder is used for inflating the gas bag; the air bag is provided with an air leakage device. According to the invention, the air bag with the air release hole is arranged on the coat, so that the air bag can be manually released after being inflated every time, a new air bag does not need to be replaced, the cost is saved, the weight and the volume of all parts on the anti-falling clothes are small, and the daily life behaviors of the old are not influenced.

Description

Old man falling-resistant garment and falling-resistant method

Technical Field

The invention relates to the technical field of clothes, in particular to a falling-preventing garment for old people and a falling-preventing method.

Background

With the aging of the population becoming more and more serious, protecting the life safety of the elderly has become a social problem to be solved, and falling down is one of the important factors threatening the life safety of the elderly. Statistical data show that in the united states, the second of the factors leading to death in older people aged 65 years is the traffic accident position, about 30% of older people fall once per year, 15% of older people fall twice, and medical expenses directly incurred by falls amount to over 170 billion yuan. In China, the falling of the old people exceeds the traffic accidents in factors affecting the life safety of the old people, according to statistics, at least 22 percent of men and 50 percent of women fall down every year in the old group of 65 years old and older, and the old people fall down to cause household property loss and also have serious influence on the physical and mental health of the old people. The old man prevents falling the clothes and judges whether the old man falls down and in time takes the protective measure of buffering to protect the wearable device of old man life safety through intelligent method, and at present, the old man on the market prevents falling the gasbag on the clothes and can not used repeatedly mostly, all need more to change the gasbag of renewal after using at every turn, causes the current clothes of preventing falling expensive, leads to the product to receive everywhere extensive inadequately.

Disclosure of Invention

The invention aims to provide a falling-preventing garment for the old and a falling-preventing method, and solves the problem that an air bag of the falling-preventing garment cannot be used for multiple times.

In order to achieve the purpose, the invention provides the following scheme:

an old man fall-resistant garment comprising: coat, single-chip computer, attitude sensor, controlling device, gas cylinder and gasbag;

the single chip microcomputer, the attitude sensor, the control device, the gas cylinder and the gas bag are all arranged on the coat; the attitude sensor and the control device are electrically connected with the single chip microcomputer; the control device is connected with the gas cylinder; the air bag is connected with the air bottle; the single chip microcomputer is used for acquiring attitude data acquired by the attitude sensor and generating a control instruction; the control device is used for controlling the gas cylinder to be opened; the gas cylinder is used for inflating the gas bag; and the air bag is provided with an air leakage device.

Optionally, the control device includes: the device comprises a steering engine, a cam, a felting needle and a three-way pipe; the steering engine is electrically connected with the single chip microcomputer;

the cam is connected with the steering engine; the three-way pipe is sleeved outside the pricking pin; the first end of the three-way pipe is fixed with the bottle opening of the gas cylinder, and the second end of the three-way pipe is sealed by a piston; the bottom end of the puncture needle is connected with the cam, and the tip end of the puncture needle penetrates through the piston and points to the opening of the gas cylinder; the steering engine is used for driving the cam to rotate; the cam is used for pushing the puncture needle to puncture the gas cylinder; the gas cylinder is communicated with the gas bag through the third end of the three-way pipe.

Optionally, a clothes is prevented falling by old man still includes: the spring is sleeved outside the puncture needle, one end of the spring is connected with the second end of the three-way pipe, and the other end of the spring is connected with the bottom end of the puncture needle.

Optionally, a clothes is prevented falling by old man still includes: and the air guide pipe is used for connecting the air bottle and the air bag.

Optionally, the air leakage device is an air leakage hole.

Optionally, a clothes is prevented falling by old man still includes: and the voltage reduction unit is electrically connected with the single chip microcomputer.

Optionally, the single chip microcomputer is of the model STM32F 103.

The invention also provides an old man falling prevention method, which comprises the following steps:

acquiring attitude data acquired by an attitude sensor; the attitude data comprises angular velocity of the old, acceleration of the old and geomagnetic data;

judging whether the attitude data reaches a set value;

if the attitude data reaches a set value, the steering engine is controlled to drive the cam to rotate, so that the puncture needle is pushed to puncture the gas cylinder, the gas is released by the gas cylinder to fill the gas bag, and the gas bag is manually deflated after the safety of the old is confirmed.

Optionally, the determining whether the attitude data reaches a set value specifically includes:

processing the attitude data to obtain processed attitude data; the processed posture data comprises the joint angular velocity of the old, the joint acceleration of the old and the inclination angle of the body of the old;

and judging whether the processed attitude data reaches a set value.

Optionally, the determining whether the processed posture data reaches a set value specifically includes:

and judging whether the combined acceleration of the old people is greater than a first set value or not, whether the combined angular velocity of the old people is greater than a second set value or not and whether the inclination angle is greater than a third set value or not.

According to the specific embodiment provided by the invention, the invention discloses the following technical effects:

the invention provides a falling-preventing garment for the old and a falling-preventing method, wherein an air bag with air release holes is arranged on a coat, the air bag can be manually released after being inflated every time, a new air bag does not need to be replaced, the cost is saved, the weight and the size of all parts on the falling-preventing garment are small, and the daily life behaviors of the old are not influenced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural view of a fall-resistant garment for the elderly;

FIG. 2 is a schematic diagram of a module of the anti-falling garment for the elderly according to the present invention;

fig. 3 is a schematic structural diagram of a control device in the old man fall-resistant suit.

Description of the symbols: the device comprises a coat 1, a singlechip 2, a posture sensor 3, a gas cylinder 4, a gas bag 5, a spring 6, a gas guide tube 7, a voltage reduction unit 8, a power supply 9, a switch 10, a DuPont wire 11, a fixed base 12, a steering engine 13, a cam 14, a puncture needle 15, a tee pipe 16 and a detection device 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a falling-preventing garment for old people and a falling-preventing method. The anti-falling clothes have small total weight and do not influence the normal life of the old.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example 1

As shown in fig. 1 to 2, the old man fall-prevention suit in this embodiment includes a garment 1, a balloon 5, a spring 6, an air duct 7, a pressure-reducing unit 8, a dupont line 11, and a detection device 17. The detection device 17 comprises a singlechip 2, an attitude sensor 3, a control device, a gas cylinder 4, a power supply 9 and a switch 10.

The detection device 17 is arranged at the lower part of the right side surface of the coat 1, the air guide pipe 7 is arranged at the lower part of the right back side of the coat 1, the air guide pipe 7 is made of rubber materials, and the pipe diameter is 0.7 cm; the air bag 5 is arranged at the lower part of the back side of the coat 1.

The power supply 9 is fixed on the left side of the gas cylinder 4, the power supply 9 is composed of 4 sections of 1.5V batteries, and the gas cylinder 4 is a threaded small gas cylinder made of 16 g of carbon dioxide steel. The switch 10 is fixed on the power supply 9, and the voltage reduction unit 8 is respectively electrically connected with the single chip microcomputer 2 and the power supply 9 through a DuPont wire 11, and is used for reducing the voltage of the power supply 9 to 3.3V or 5V, so as to provide a stable power supply for the single chip microcomputer 2. The attitude sensor 3 and the control device are electrically connected with the singlechip 2 through a DuPont wire. The control device and the air bag 5 are respectively connected with the air bottle 4, and a fixed base 12 is arranged below the control device in a contact manner. The single chip microcomputer 2 is used for acquiring attitude data acquired by the attitude sensor 3 and generating a control instruction, the control device is used for controlling the gas cylinder 4 to be opened, and the gas cylinder 4 is used for inflating the gas bag 5.

As shown in FIG. 3, the control device comprises a steering engine 13, a cam 14, a puncture needle 15 and a three-way pipe 16. Steering wheel 13 with singlechip 2 is connected through 11 electricity in dupont line, 2 models of singlechip are STM32F103, cam 14 is fixed steering wheel 13's front side, cam 14 adopts 3D to print steel cam, and its minimum footpath is long 27.0mm, and maximum footpath is long 37.3 mm. The bottom end of the needle 15 is connected with the cam 14, the needle 15 adopts a 304 stainless steel 3.5-inch round nail, and the tip end of the needle is contacted with the opening of the gas cylinder. The three-way pipe 16 is sleeved outside the puncture needle 15, a first end of the three-way pipe 16 is fixed with the opening of the gas cylinder 4, and a second end of the three-way pipe is sealed by a piston. The steering wheel 13 is used for driving the cam 14 to rotate, the cam 14 is used for pushing the puncture needle 15 to puncture the gas cylinder 4, the gas cylinder 4 is communicated with the air bag 5 through the third end of the three-way pipe 16, the air bag 5 is provided with an air release hole, and the air bag 5 is made of PVC and flocking materials. The gas cylinder 4 is positioned on the right side of the steering engine 13. The puncture needle 15 penetrates through the spring 6, one end of the spring 6 is connected with the second end of the three-way pipe 16, the other end of the spring 6 is connected with the bottom end of the puncture needle 15, and the spring 6 is a 5cm spring with the wire diameter of 0.4mm and the outer diameter of 5 mm; the air duct 7 is used for connecting the third end of the three-way pipe 16 and the air bag 5.

As an optional implementation mode, the coat 1 is a detachable coat and is divided into an inner layer and an outer layer, the inner layer is made of fleece fabric, the outer layer is made of high-molecular waterproof and breathable material and is attached with a high-molecular nano breathable waterproof film, the anti-falling coat is suitable for weather and climate change in four seasons, and the practicability of the product is improved.

As an alternative embodiment, the attitude sensor 3 is a ten-axis attitude sensor of model JY 901.

As an alternative embodiment, the voltage reduction unit 8 is a voltage reduction chip of model AMS 1117.

As an alternative embodiment, the steering engine 13 is RB150CS model.

As an alternative embodiment, the piston is a movable piston.

Gas safe and reliable in the gas cylinder used in this embodiment all has no adverse effect to the old man health and all peripheral environment, and the gas cylinder mouth is equipped with screw thread convenient to detach and changes simultaneously to the convenience of product has been improved. The air bag is provided with the air release hole, and after the air bag is inflated every time, the air bag can be manually released without being replaced, so that the device can be used for multiple times, and the cost is saved. The setting position of the pricking pin is convenient for the cam to quickly and accurately prick the gas cylinder after being started, the spring can enable the pricking pin to automatically reset after the gas cylinder is pricked, the precision of a product is guaranteed due to the specification of the cam, and meanwhile, the device adopted by the embodiment is small in size and light in weight, and does not influence the normal life of the old.

Example 2

The embodiment provides a falling prevention method for the old, which specifically comprises the following steps:

acquiring attitude data acquired by an attitude sensor 3; the attitude data includes angular velocity of the elderly, acceleration of the elderly, and geomagnetic data.

The control and judgment codes are recorded into the singlechip 2 through the upper computer; and judging whether the attitude data reaches a set value.

Processing the attitude data to obtain processed attitude data; the processed posture data comprises the joint angular velocity of the old, the joint acceleration of the old and the inclination angle of the body of the old; the combined angular velocity of the old people is obtained by vector calculation according to the angular velocity of the old people, the combined acceleration of the old people is obtained by vector calculation according to the combined acceleration of the old people, the inclination angle of the body of the old people is obtained by conversion according to the attitude Euler angle, the attitude Euler angle is obtained by conversion according to quaternion, and the quaternion is obtained by calculation according to the geomagnetism.

If the attitude data reaches a set value, a control signal is transmitted through the signal serial port to drive the steering engine 13 to drive the cam 14 to rotate, so that the puncture needle 15 is pushed to puncture the gas cylinder 4, and the gas cylinder 4 releases gas to fill the gas bag 5. The triggering condition is that the combined acceleration of the old people is larger than a first set value, the combined angular velocity of the old people is larger than a second set value, and the inclination angle is larger than a third set value; the first set value is 0.7m/s, the second set value is 60 °/s, and the third set value is 60 degrees; when the safety of the old people is confirmed, the operation of the device is stopped, and the air bag 5 is manually deflated through the deflation hole.

The air bag can be manually deflated after being filled with air, and the air bag does not need to be replaced, so that the device can be used for multiple times.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims

1. an anti-fall clothing for the elderly, is characterized in that, comprises: coat, single-chip microcomputer, attitude sensor, control device, gas cylinder and air bag;

The single-chip microcomputer, the attitude sensor, the control device, the gas cylinder and the airbag are all arranged on the outer garment; the attitude sensor and the control device are all electrically connected to the single-chip microcomputer; the control device The device is connected with the gas cylinder; the airbag is connected with the gas cylinder; the single chip microcomputer is used to obtain the attitude data collected by the attitude sensor and generate control instructions; the control device is used to control the gas cylinder open; the gas cylinder is used to inflate the airbag; the airbag is provided with a deflation device.

2. The anti-fall clothing for the elderly according to claim 1, wherein the control device comprises: a steering gear, a cam, a puncture needle and a three-way pipe; the steering gear is electrically connected to the single-chip microcomputer;

The cam is connected with the steering gear; the three-way tube is sleeved on the outside of the puncture needle; the first end of the three-way tube is fixed with the bottle mouth of the gas cylinder, and the second end is sealed by a piston; The bottom end of the puncture needle is connected with the cam, and the tip passes through the piston and points to the bottle mouth of the gas cylinder; the steering gear is used to drive the cam to rotate; the cam is used to push the puncture needle to pierce the gas cylinder; the gas cylinder is communicated with the air bag through the third end of the three-way pipe.

3 . The anti-fall clothing for the elderly according to claim 2 , further comprising: a spring, the spring is sleeved on the outside of the puncture needle, and one end of the spring is connected to the first end of the three-way pipe. 4 . The two ends are connected, and the other end of the spring is connected with the bottom end of the needle.

4 . The anti-fall clothing for the elderly according to claim 1 , further comprising: an air tube, the air tube is used to connect the gas cylinder and the airbag. 5 .

5 . The anti-fall clothing for the elderly according to claim 1 , wherein the air vent device is a vent hole. 6 .

6 . The anti-fall clothing for the elderly according to claim 1 , further comprising: a step-down unit, the step-down unit is electrically connected to the single-chip microcomputer. 7 .

7 . The anti-fall clothing for the elderly according to claim 1 , wherein the model of the single-chip microcomputer is STM32F103. 8 .

8. A fall-proof method for the elderly, characterized in that, applied to a fall-proof suit for the elderly as described in any one of claims 1-7, the method comprising:

Obtain the attitude data collected by the attitude sensor; the attitude data includes the angular velocity of the elderly, the acceleration of the elderly and geomagnetic data;

Determine whether the attitude data reaches the set value;

If the attitude data reaches the set value, the steering gear is controlled to drive the cam to rotate, and then the needle is pushed to pierce the gas cylinder, the gas cylinder releases gas to fill the airbag, and when the safety of the elderly is confirmed, the airbag is manually deflated.

9. a kind of anti-fall method for the elderly according to claim 8, is characterized in that, described judging whether described attitude data reaches set value, specifically comprises:

The attitude data is processed to obtain the processed attitude data; the processed attitude data includes the combined angular velocity of the elderly, the combined acceleration of the elderly and the inclination angle of the elderly body;

It is judged whether the processed attitude data reaches the set value.

10. a kind of anti-fall method for the elderly according to claim 9, is characterized in that, described judging whether the attitude data after processing reaches the set value, specifically comprises:

It is determined whether the combined acceleration of the elderly person is greater than a first set value, whether the combined angular velocity of the elderly person is greater than a second set value, and whether the inclination angle is greater than a third set value.