CN112617814A - Falling protection device and protection method thereof - Google Patents

Abstract

The invention relates to the field of impact-resistant buffer protection, and discloses a falling protection device which comprises a protection structure, a sensing module and a control module, wherein the protection structure is provided with a curling part and a locking part; when the locking part releases the curved part, the curved part retracts to be of a curved structure, the elastic curved structure can play a role in buffering, impact on a user when falling down is greatly reduced, and injury is reduced.

Description

Falling protection device and protection method thereof

Technical Field

The invention relates to the technical field of impact-resistant buffer protection, in particular to a falling protection device and a falling protection method thereof.

Background

With the increasing aging of the population in China, the population of the old is more and more, the hip fracture caused by accidental falling of the old during walking occurs due to the reduction of the muscle strength of legs, and the old with the fractured hip bone can not be bedridden in most cases, so that heavy burden is brought to individuals, families and society, necessary buffering protection is provided for the old before falling down and landing, and the impact injury to the hip bone is very important to be avoided or reduced.

The prior art for the old people falling down hip joint buffer protection device generally comprises a passive protection device and an active protection device. The passive protective device is a wearable lining usually made of sponge, rubber or foam materials, the whole structure is relatively bloated and cannot be tightly attached to a human body, the comfort is relatively poor, and old people wear the wearable lining and then fall down to influence normal activities, so that troubles are caused to daily life. Another kind of initiative protector all is the gasbag formula protector of wearing in old person's waist and buttock at present, and it is inspired by car air bag principle, and when sensing the old person and beginning to tumble, protector can the auto-eject gasbag, and system control electric steering engine punctures the gas cylinder bottleneck and makes the gasbag inflate fast to protect the hip. For example, patent application No. CN 103040547A, CN 103424747A, CN 111053345 a discloses a hip joint buffer active protection device for elderly people falling down.

However, the current airbag type fall protection device has the following problems in practical use: the mechanical structures are complex, the possibility of failure of the electric steering engine exists, and the use reliability of the protection device is reduced; compressed carbon dioxide gas is adopted as a gas source, the critical gasification temperature of the carbon dioxide is about 31 ℃, and once the high-pressure gas cylinder is heated and has a certain explosion risk when being worn for a long time, the high-pressure gas cylinder is easy to cause additional damage to a human body; the overall structure is heavy, is heavy and is not beneficial to long-term wearing.

In summary, how to design an intelligent flexible buffer protection device with small volume, light weight, good reliability and comfortable wearing on the premise of not reducing the buffer protection capability is a problem that needs to be solved by the technical personnel in the field at present.

Disclosure of Invention

In order to solve the problems, the invention provides a falling protection device which comprises a protection structure, a sensing module and a control module, wherein the protection structure is provided with a curling part and a locking part; when the locking part releases the curved part, the curved part retracts to be of a curved structure, the elastic curved structure can play a role in buffering, impact on a user when falling down is greatly reduced, and injury is reduced.

In some embodiments of the present application, a fall protection device is disclosed for protecting a user from falling, comprising: the protection structure plays a role in buffering by changing the structure state when a user falls down; the sensing module is used for sensing the falling state of the user; a control module for controlling the protection structure to change a structural state the protection structure comprising: a curled portion and a locked portion, the curled portion being composed of a curled structure, the curled portion being pressed into a planar structure in an opposite direction of curling when the locked portion locks the curled portion; when the locking part releases the curling part, the curling part is retracted to be in a natural curling state, and the elastic curling structure plays a role in buffering.

In some embodiments of the present application, the protective structure further comprises a base layer, the base layer is made of a flexible material, and the curling portion and the locking portion are both connected to the base layer.

In some embodiments of the present application, the protective structure is configured to be worn on a human hip, the protective structure includes a left side hip protective structure and a right side hip protective structure, each of the left side hip protective structure and the right side hip protective structure includes a base layer, a crimp, and a closure.

In some embodiments of the present application, the curling portions and the locking portions correspond to each other in one-to-one correspondence, and the number of the curling portions and the number of the locking portions are equal to each other.

In some embodiments of the present application, each of the crimps is provided with a plurality of crimps, the number of the closures is equal to the number of the crimps, and a plurality of crimps are provided on the base layer.

In some embodiments of the present application, the control module and the latch are connected by a flexible wire.

In some embodiments of the present application, the latch comprises: the clamping groove is used for clamping the curling part; and the trigger switch is connected to the clamping groove and used for controlling the clamping state of the clamping groove.

In some embodiments of the present application, the slot is configured as a memory alloy material; the trigger switch is arranged as an electric, magnetic, optical, ultrasonic and other field excitation component.

In some embodiments of the present application, the sensing part includes: the human body kinematics module is used for detecting the motion state of a user; the human body dynamics module is used for detecting pressure data of the sole of a user; the human body physiological information module is used for detecting data of physiological states of the user.

In some embodiments of the present application, the human kinematics module, the human dynamics module, and the human physiology information module and the control module all communicate and transmit data in a wireless manner.

In some embodiments of the present application, a method of protection of the fall protection device is applied:

s1, the human body kinematics module detects the data of the motion state of the hip of the human body in real time and transmits the motion data of the human body to the control module; the human body dynamics module detects pressure data of a human sole in real time and transmits the pressure data to the control module; the human body physiological information module detects data of the physiological state of the user in real time and transmits the physiological data to the control module;

s2, the control module judges whether the user falls down according to the motion data, the pressure data and the physiological data, and when the user falls down, the control module transmits a command to the trigger switch through a flexible lead;

and S3, after the trigger switch receives the signal, the clamping groove is opened, and the curling part rebounds from the plane structure in the compressed state to the bending structure in the released state.

According to the tumble protection device provided by the invention, when a user does not tumble, the protection structure is of a planar structure, so that the comfort in wearing is improved; the sensing module is internally provided with the human kinematics module, the human dynamics module and the human physiological information module, so that the accuracy and the judgment speed of the device for judging falling are improved; after the user tumbles, use the crimp portion of curling certainly as buffer structure, improved buffering speed, improved the wearing security simultaneously.

Drawings

Fig. 1 is a schematic view of a fall protection device worn by a user in an embodiment of the invention

FIG. 2 is a block diagram of a protection architecture in a compressed state in an embodiment of the present invention;

FIG. 3 is a block diagram of a protective structure in a released state in an embodiment of the invention;

FIG. 4 is a detail view at A of FIG. 3 in an embodiment of the present invention;

FIG. 5 is a structural view of a curl portion in a released state in embodiment 1-2 of the present invention;

FIG. 6 is a view showing the construction of the 1-2 kinds of crimps in the compressed state in the embodiment of the present invention;

FIG. 7 is a plan view of the protective structure in a compressed state in example 2-2 of the present invention;

FIG. 8 is a plan view of the protective structure in a released state in example 2-2 of the present invention;

FIG. 9 is a profile of a control module in an embodiment of the invention;

FIG. 10 is a schematic view of the body dynamics module in the sensing module in an embodiment of the present invention;

fig. 11 is a flow chart of a method of protection of a fall protection device in an embodiment of the invention.

In the figure, 100, the protection architecture; 110. a curling portion; 120. a locking portion; 121. a card slot; 122. a trigger switch; 130. a base layer; 200. a sensing module; 210. a human body dynamics module; 300. and a control module.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the present application, the direction or positional relationship indicated by "inner" is the side closer to the geometric center of the material handling apparatus based on the drawings, and the direction or positional relationship indicated by "outer" is the side away from the geometric center of the material handling apparatus based on the drawings.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "plurality" or "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

In some embodiments of the present application, a fall protection device comprises a protective structure 100, a sensing module 200 and a control module 300.

In some embodiments of the present application, as shown in fig. 2, the protective structure 100 includes a base layer 130, a crimp 110, and a latch 120.

In some embodiments of the present application, as shown in fig. 1, the protective structure 100 is used for protecting the hip of a human body, and the protective structure 100 is divided into a left hip protective structure 100 and a right hip protective structure 100, which are respectively worn on two sides of the hip, in other embodiments of the present application, the protective structure 100 can be worn inside a garment, or the protective structure 100 can be worn separately, which is not limited to the wearing manner, and any manner of wearing the protective structure 100 falls within the scope of the present application.

In some embodiments of the present application, the base layer 130 is a flexible material, and the curl portion 110 and the locking portion 120 are connected to the base layer 130, so that the user can wear the protective structure 100 by wearing the base layer 130.

It should be noted that, in actual wearing, the hip size of the user is different, the base layer 130 with various sizes is required to be provided, and in actual manufacturing, the protective structure 100 has various wearing manners, the base layer 130 with various shapes is required to be provided, so in other embodiments of the present application, the specific material, size and shape of the base layer 130 are not limited, and any flexible structure that is worn on the user and connects the curl portion 110 and the locking portion 120 falls within the protection scope of the present application.

In some embodiments of the present application, as shown in fig. 2 and 3, the curl portion 110 is provided as a metal material, when the latch 120 is released, the curl portion 110 is in a bent configuration in a released state, a part of the curl portion 110 is connected to the base layer 130, the bent configuration of the curl portion 110 is a free end, and a cross-sectional shape in a direction of a bent surface of the bent configuration is an arc; when the crimp 110 is pressed by the latch 120, the bent structure is unfolded in the opposite direction of the bending to form a planar structure, and the deformation of the crimp 110 is within the range of the elastic deformation of the metal material. The present invention has two main embodiments regarding the curling structure of the curled portion 110:

example 1-1:

as shown in fig. 2, when the curling portion 110 is pressed to be a plane structure, the plane structure is a rectangle, one end of the rectangle is fixedly connected to the base layer 130, the rectangle has a tendency of curling along a normal direction of the fixed end, and the locking portion 120 is pressed to be an end opposite to the fixed end, as shown in fig. 3, when the curling portion 110 is released, the curling portion 110 is curled to a direction having the tendency of curling, and at this time, the curling structure is a released elastic structure, thereby having a buffering effect, and when a user impacts with the ground, the elasticity of the curling structure reduces the force of the ground facing the user.

Examples 1 to 2:

as shown in fig. 6, when the curling portion 110 is pressed to be a plane structure, the plane structure is a cross-shaped plane structure, the center of the cross-shaped plane structure is fixedly connected to the base surface, the locking portion 120 presses four free ends, and the four free ends all have a tendency to curl toward the center of the cross-shaped plane structure, as shown in fig. 5, when the curling portion 110 is released, the four pressed free ends are released at the same time, the four free ends curl in a direction having a tendency to curl, and the curling structure is a released elastic structure, thereby having a buffering effect, and when a user impacts with the ground, the elasticity of the curling structure reduces the force of the ground facing the user.

It should be noted that, when the user falls, the direction and posture of the fall cannot be predicted, and therefore, the impact force of the ground to the user may come from various directions, and when the curl portion 110 is formed in a cross shape, the force in various directions can be buffered, and the impact force cannot be buffered when coming from the direction of the side of the curl portion 110.

In the above embodiments, although one crimp structure is provided or four crimp structures are provided in one crimp portion 110, it is merely proposed as an embodiment that three or more crimp structures may be formed to satisfy various anti-falling effects if necessary.

In some embodiments of the present application, as shown in fig. 4, the locking portion 120 includes a card slot 121 and a trigger switch 122, the card slot 121 is configured as a memory material, the trigger switch 122 is an electric, magnetic, optical, ultrasonic, etc. excitation component, and the control module 300 is connected to the trigger switch 122 through a flexible wire, and there are two main solutions for implementing the locking portion 120 according to the present invention:

example 2-1:

as shown in fig. 4, the card slot 121 is a memory metal sheet with a blocking sheet structure, when the card slot 121 is in a normal state, the card slot 121 is in a planar structure, one part of the card slot 121 is disposed on the upper surface of the curling portion 110 and used for pressing the curling structure, the other part of the card slot is connected to the base layer 130, and the upper surface of the card slot 121 of the base layer 130 is provided with the trigger switch 122, the trigger switch 122 is set as a resistance wire, the resistance wire is connected with the control meter through a flexible wire, when the control module 300 sends an electrical signal through the wire, the temperature of the resistance wire rises, the temperature of the memory material rises, the memory material deforms, the card slot 121 of the pressing curling structure tilts, the curling structure releases, and plays a role.

Examples 2 to 2

As shown in fig. 7, the card slot 121 is a rhombic fence structure surrounded by memory metal wires, when the card slot 121 is in a normal state, one end of a plane where the fence structure is located is pressed on the upper surface of the curled portion 110, the other end of the plane is connected with the base layer 130, the trigger switch 122 is a resistance wire, the resistance wire and the memory metal wires are in the same shape and are wound and connected on the memory metal wires, and the resistance wire is connected with the control wire through a flexible wire, as shown in fig. 8, when the control module 300 sends an electric signal through the wire, the temperature of the resistance wire rises, so that the temperature of the memory material rises, the memory material deforms, the rhombic fence structure compresses, the curled portion 110 is released, and the curled portion 110 curls to play a buffering.

It should be noted that, the speed when the user tumbles is very fast, trigger switch 122 also needs to heat draw-in groove 121 fast, make draw-in groove 121 warp, make coiled structure realize cushioning effect, consequently, the resistance wire winding that will generate heat is connected on the memory wire, greatly increased the rate of heating to the memory wire, buckle the memory wire simultaneously and be rhombus fence structure, can make the deformation of memory wire inject in the plane within range, when avoiding the metal perk, exert an influence to user's wearing comfort level, influence buffering effect even.

In the above embodiments, although the stopper structure or the rhombic fence structure is provided in the catching groove 121, it is merely provided as an example, and other structures may be formed to satisfy the effect of releasing the bent portion if necessary.

In some embodiments of the present application, as shown in fig. 9 and 10, the fall protection device is further provided with a sensing module 200 and a control module 300, the sensing module 200 includes a human kinematics module, a human dynamics module 210 and a human physiology information module, and data collected by the above modules is transmitted to the control module 300 and is communicated with the control module 300 in a wireless manner.

In some embodiments of the present application, the human kinematics module includes two sets of three-way acceleration sensors and three-way gyroscope sensors, the two sets of sensors are respectively disposed on the left hip and the right hip, the three-way acceleration sensors are used for detecting three-way velocity and three-way acceleration of the left hip and the right hip of the human body, the three-way gyroscope sensors are used for detecting three-way attitude dip angular velocity and three-way attitude dip angular acceleration, and the human kinematics module determines the movement state of the user according to data of the three-way velocity, the three-way acceleration, the three-way attitude dip angular velocity and the three-way attitude dip angular acceleration of the hip of the human body.

In some embodiments of the present application, as shown in fig. 11, the human body dynamics module 210 includes a plurality of sole pressure sensors, the sole pressure sensors are respectively disposed on the left half sole and the left back sole of the left foot of the user, and the right half sole and the right back sole of the right foot, and the pressure values at the above four positions are monitored and collected to determine whether the user has a tendency to fall. In other embodiments of the present application, the plantar pressure sensors are provided in the shoe or insole, and are added by way of daily wear.

In some embodiments of the application, human physiology information module includes heart rate sensor and blood pressure sensor for detect user's heart rate change and blood pressure change, change according to user's heart rate and blood pressure and judge user's physiological state.

In an embodiment of the present application, the above human kinematics data, the human dynamics data and the physiological status data are all preset with normal values, and when the data falls outside the normal value range, the control module 300 sends an electrical signal to the trigger switch 122; in another embodiment of the present application, the control module 300 performs recognition processing on the human kinematics information, the dynamics information and the physiological information by using a deep learning algorithm.

It should be noted that, by using the deep learning algorithm, the speed of the control module 300 for judging and sending commands can be increased, and the deep learning algorithm can generate a customized falling judgment mode according to different physiological states and walking modes of each user, so that the judgment accuracy is increased, and the possibility of erroneous judgment is reduced.

In the embodiment of the present application, as shown in fig. 11, the protection method of the fall protection device is:

s1: the user wears the insole with the plantar pressure sensors and the hip protection structure 100 in advance;

s2: the human kinematics module acquires data of three-way speed, three-way acceleration, three-way attitude dip angular speed and three-way attitude dip angular acceleration of the hip of the human body in real time and wirelessly transmits the data to the control module 300; the human body dynamics module 210 acquires pressure of four places of the sole of a user in real time and transmits pressure data wirelessly to the control module 300; the human body physiological information module acquires heart rate change and blood pressure change of a user in real time and wirelessly transmits data to the control module 300;

s3: after receiving the data transmitted by the sensing module 200, the control module 300 judges whether the user is in a standing state or a falling state in real time;

s4: when the user falls down, the controller sends an electric signal to the trigger switch 122 through the flexible lead, after the power is turned on, the resistance wire of the trigger switch 122 is heated, the clamping groove 121 is deformed, the bending part is released, and the bent bending structure forms a buffer layer between the hip and the ground to play a role in buffering.

According to the first conception of this application, the buffering form to the protector that tumbles has improved, has utilized the sheetmetal of bending structure, cushions between ground to user's impact, utilizes the gasbag buffering among the prior art, when temperature risees, has the risk of explosion, uses the buffering of crooked sheetmetal, has avoided the danger of explosion, avoids the secondary damage.

According to the second concept of the application, when a user does not fall down, only in daily wearing, the locking part is arranged, the bending part is pressed into a plane structure, compared with a human hip passive protective device made of materials such as sponge and foam, the main body protective structure of the hip passive protective device occupies a small space and has small mass under the condition that the human body does not fall down, only the thin layer of material located in the hip area is used, the daily life of the human body is hardly influenced after wearing, and the wearing comfort and experience of the human body are improved.

According to the third concept of the present application, the structure of the bending portion is improved, the planar structure of the curled portion is arranged in a cross shape, and when a user falls, the direction and posture of the falling cannot be predicted, so that the impact force of the ground to the user may come from various directions.

According to the fourth concept of the application, the structure of the locking part is improved, the clamping groove is made of the memory material, the trigger switch is an electric field excitation part, a magnetic field excitation part, a light field excitation part, an ultrasonic field excitation part and the like, the memory material is deformed by utilizing the field excitation, the limiting and the releasing of the clamping groove are realized, the structure is simple, and the releasing speed is high.

According to the fifth concept of the application, the sensing module is improved, the sensing module senses the motion information, the dynamic information and the physiological information of the human body, and the accuracy and the judgment speed of falling judgment are increased by acquiring the three information.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (11)

1. A fall protection device for protecting a user from falling, comprising:

the protection structure plays a role in buffering by changing the structure state when a user falls down;

the sensing module is used for sensing the falling state of the user;

a control module for controlling the protection structure to change a structural state the protection structure comprising:

a curled portion and a locked portion, the curled portion being composed of a curled structure, the curled portion being pressed into a planar structure in an opposite direction of curling when the locked portion locks the curled portion; when the locking part releases the curling part, the curling part is retracted to be in a natural curling state, and the elastic curling structure plays a role in buffering.

2. Fall protection device according to claim 1, wherein the protective structure further comprises a base layer provided as a flexible material, the curl portion and the closure portion being connected to the base layer.

3. A fall protection device as claimed in claim 2, wherein the protective structure is arranged to be worn on the hip of a person, the protective structure comprising a left and a right hip protective structure, each of the structures comprising a base layer, a curl and a closure.

4. Fall protection device according to any of claims 2-3, wherein the crimps and the locks are in one-to-one correspondence and equal in number, and wherein a plurality of crimps and locks are provided on the base layer.

5. Fall protection device according to any of claims 2-3, wherein each crimp is provided with a number of crimps, wherein the number of locks equals the number of crimps, and wherein several crimps are provided on the base layer.

6. Fall protection device according to claim 1, wherein the control module and the closure are connected by a flexible wire.

7. Fall protection device according to claim 1, wherein the locking means comprise:

the clamping groove is used for clamping the curling part;

and the trigger switch is connected to the clamping groove and used for controlling the clamping state of the clamping groove.

8. Fall protection device according to claim 7, wherein the slot is provided in a memory alloy material; the trigger switch can be arranged as an electric, magnetic, optical, ultrasonic and other field excitation component.

9. Fall protection device according to claim 1, wherein the sensing part comprises:

the human body kinematics module is used for detecting the motion state of a user;

the human body dynamics module is used for detecting pressure data of the sole of a user;

the human body physiological information module is used for detecting data of physiological states of the user.

10. A fall protection device as claimed in claim 8, wherein the human kinematics module, the human dynamics module and the human physiology information module communicate with the control module in a wireless manner and transmit data.

11. Fall protection device according to claims 1-9, further comprising a method of protection of the fall protection device:

s1, the human body kinematics module detects the data of the motion state of the hip of the human body in real time and transmits the motion data of the human body to the control module; the human body dynamics module detects pressure data of a human sole in real time and transmits the pressure data to the control module; the human body physiological information module detects data of the physiological state of the user in real time and transmits the physiological data to the control module;

s2, the control module judges whether the user falls down according to the motion data, the pressure data and the physiological data, and when the user falls down, the control module transmits a command to the trigger switch through a flexible lead;

and S3, after the trigger switch receives the signal, the clamping groove is opened, and the curling part rebounds from the plane structure in the compressed state to the bending structure in the released state.

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