A step event protection device
By combining multifunctional airbags and a computing system with sensing components, targeted protection can be achieved in stampede incidents, reducing personal injury and providing self-protection and rescue prompts, thus solving the problem that existing technologies cannot provide targeted protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- INST OF DISASTER PREVENTION
- Filing Date
- 2024-01-04
- Publication Date
- 2026-08-04
AI Technical Summary
Existing technologies cannot provide targeted protection in stampede incidents, resulting in a high risk of injury.
It adopts a multi-functional airbag combination arrangement, combined with a computing system and sensing components. It analyzes the posture of the personnel through gravity sensors and gyroscopes, and automatically or manually deploys protective airbags to protect different directions and parts. It is also equipped with an alarm system to alert personnel and rescue.
It improves the effectiveness of protection in stampede incidents, reduces personal injury, provides self-protection and rescue tips, and enhances overall safety.
Smart Images

Figure CN117796590B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of rescue equipment technology, specifically a stampede protection device. Background Technology
[0002] A stampede is a serious incident that occurs in a crowded moving group. If someone falls in front of another person, and those behind who are unaware continue walking, a stampede can easily occur. "The same chain reaction of people collapsing and being trampled to the ground"
[0003] In some real-world cases, many victims were trampled underfoot by crowds as soon as they realized the danger.
[0004] Therefore, knowing how to identify danger, how to leave a dangerous situation, and how to protect oneself in a dangerous situation becomes extremely important.
[0005] The so-called stampede incident is not actually caused by people falling and being trampled to death, but by people being too crowded together. The people in the center are completely involuntarily squeezed and pushed around like liquid. The characteristic of liquid being pressured from all sides and filling empty spaces causes the human body to be compressed and crushed, damaging organs one by one, and finally leading to death.
[0006] Currently, the only self-rescue strategy during a stampede is to raise both arms in front of the chest to ensure breathing space, but this is futile under extreme pressure. Therefore, we developed this stampede protection device to create free breathing space and extend the waiting time for rescue.
[0007] Patent CN110101145A discloses an inflatable mushroom-shaped high-altitude fall protection airbag based on a gyroscope sensor. This patent uses a gyroscope sensor to accurately detect the direction of the wearer's fall, enabling the high-altitude fall protection airbag to inflate on different sides, with the side that hits the ground first inflating first to avoid injury from the impact force. When falling from a height, the gyroscope sensor device detects the situation and triggers a rapid inflation device to quickly form a mushroom-shaped airbag, increasing air resistance during the descent and forming a protective layer to prevent the person from directly hitting the ground.
[0008] However, in practice, this patent provides overall back protection through the entire rear high-altitude anti-fall airbag 5, but it does not provide effective protection for specific areas. For example, if a person falls while tilted, the device cannot provide targeted protection, and there is still a risk of injury.
[0009] Therefore, the public number is The patent discloses a crowd-prevention alarm system. When a crush occurs in a densely populated area causing the airbag to rupture, the spring of the pressure sensor is in an extended state. The power supply, alarm device, and pressure sensor form a circuit, activating the alarm device and triggering a voice alarm. In large-scale group activities, by distributing wearable human body barriers to individuals, the alarm device within the human body barrier emits an alarm message in the event of a sudden incident in a densely populated area, thereby achieving the purpose of preventing stampedes. This system is simple, convenient, fast, and inexpensive.
[0010] However, although the patent is used to strengthen different areas, the strengthening method is still applied to all areas and cannot be targeted, leaving room for improvement. Summary of the Invention
[0011] The purpose of this invention is to provide a trampling event protection device that utilizes a combination of multifunctional airbags to support the human body during a trampling event, thereby overcoming the shortcomings of existing technologies that cannot provide targeted protection, improving the overall protective effectiveness of the device, and ensuring the safety of personnel.
[0012] To achieve the above objectives, the present invention provides the following technical solution: a stampede protection device, comprising a protection unit, the protection unit including an airbag and a computing system, wherein the airbag is provided with protective airbags that deploy in different directions when the structure collapses, and the protective airbags are opened manually via an ejection outlet or an ejection button, or automatically via the computing system;
[0013] The sensing unit includes an impact sensor, the impact sensor having a conductive layer inside, and the impact sensor operates through the conductive layer; the conductive layer responds to a control circuit and controls the deployment of the protective unit; the sensing unit is powered entirely by a battery; and
[0014] The alarm unit includes an alarm and a precise location transmission device.
[0015] The working principle of this application is as follows: the protective airbag is opened manually or automatically to provide protection, and the direction and location of protection can be adjusted to adapt to different body postures of the user, so as to provide good protection for the collapsed personnel. The sensing part contacts and stimulates the impact sensor through the contraction of the conductive layer, so as to send an electrical signal to drive the circuit of the computing system connected to the conductive layer, thereby controlling the opening of the airbag. The alarm sounds through the loudspeaker, light ring and internal transmission device. When the loudspeaker and light ring are working, it responds and reminds people to stay away. When the transmission device is working, it sends a rescue alarm to the rescuers, thereby protecting the safety of the user.
[0016] Furthermore, during the protection process, the calculation system can be used to calculate applicable schemes one through five for targeted protection, reducing trampling injuries to personnel at the main pressure point and improving protection performance.
[0017] The beneficial effects of this application are:
[0018] As a further embodiment of the present invention: In the protective unit, the airbag includes a main airbag and a supporting airbag. The supporting airbag is located at the end of the main airbag away from the protective device and is deployed under the control of a computing system. A side supporting airbag is fixedly connected to one side of the supporting airbag and cooperates with the side supporting airbag to form a stable support structure. One end of both the supporting airbag and the side supporting airbag is provided with a rigid contact foot that internally houses a pressure sensor. By setting up the supporting airbag, the supporting airbag can support one end of the person after the person collapses, thereby expanding the protective space for the person below the main airbag and reducing the injury suffered by the person.
[0019] As a further aspect of the present invention: In the protective part, an outer airbag is fixedly connected to one side of the main airbag, and a number of external branch airbags are arranged outside the outer airbag. The external branch airbags include narrow openings and wide openings, which are staggered. With the protection of the external branch airbags directly above, to the upper left and to the upper right of the main airbag, targeted protection can be provided against pressure applied from different directions, thereby enhancing the protective performance from that direction.
[0020] As a further embodiment of the present invention: in the protective part, an inner airbag is fixedly connected to the side of the main airbag away from the outer airbag, and the inner airbag is laid flat on the surface of the main airbag; the inner airbag laid flat on the surface of the main airbag can work with the main airbag to enhance personnel protection.
[0021] As a further embodiment of the present invention: In the protective part, a main bronchus airbag is fixedly connected to one side of the main airbag. The main bronchus airbag and the support airbag cooperate to protect the end of the main airbag away from the protective device. A main bronchus airbag is fixedly connected to one side of the outer bronchus airbag. The main bronchus airbag and the outer bronchus airbag cooperate to protect the upper part of the outer airbag. The setting of the main bronchus airbag can make up for the protection gap on the side of the outer bronchus airbag. The setting of the main bronchus airbag can make up for the protection gap where the main airbag is located above the support airbag.
[0022] As a further aspect of the invention, the alarm unit also includes a loudspeaker and a light ring, both of which are electrically connected to the control circuit. Due to the inclusion of the loudspeaker and light ring, when the equipment is operating, the loudspeaker and light ring respectively function as amplified alarm and flashing alarm, alerting personnel to take cover.
[0023] As a further embodiment of the present invention: In the protective part, the airbag includes a rupture port and an airbag core. An expansion material that can react with the airbag core is placed in the interlayer between the airbag and the rupture port. The rupture port has a dotted thin film structure. At the moment the protective airbag is opened, the rupture port ruptures and releases the expansion material in the interlayer between the airbag and the rupture port. After the reaction, the airbag can expand throughout for protection. The dotted structure of the rupture port makes it easier to release the material in the interlayer.
[0024] As a further aspect of the present invention: in the sensing part, the conductive layer includes a conductive outer ring and a conductive inner ring, and conductive sheets for the conductive layer to combine are arrayed on the adjacent sides of the conductive outer ring and the conductive inner ring. When the sensing part is squeezed, it can stimulate the impact sensor to send an electrical signal to drive the circuit of the conductive layer to connect to the computing system and control the airbag to open.
[0025] As a further aspect of the present invention: the computing system includes a gravity sensor, a gyroscope and a computing chip installed therein, and the computing chip adjusts the control scheme of the cylinder by comprehensively adjusting the attitude of the gyroscope and the values sensed by the gravity sensor.
[0026] Option 1: When the calculation system measures the main pressure in this direction, drive the main airbag, main bronchus airbag 2, and the external bronchus airbag on the upper right side to open for protection;
[0027] Option 2: When the calculation system measures the main pressure in this direction, it will drive the main airbag and the external branch airbag on the upper right side to deploy for protection;
[0028] Option 3: When the calculation system measures the main pressure in this direction, it will drive the main airbag and the outer branch airbag directly above it to deploy for protection;
[0029] Option 4: When the calculation system measures the main pressure in this direction, it will drive the main airbag, the main bronchus airbag 1, and the external bronchus airbag on the upper left side to open for protection;
[0030] Option 5: When the calculation system measures the main pressure in this direction, the main airbag and main bronchus airbag will be activated for protection.
[0031] In addition, all five options deploy support airbags for support and protection. Through the targeted protection provided by options one through five, the protective effect on personnel in different postures and positions can be enhanced, thereby further reducing trampling injuries to personnel. Attached Figure Description
[0032] Figure 1 This is a schematic diagram of the protective device in an embodiment of the present invention;
[0033] Figure 2 This is a schematic diagram of the overall structure of the airbag in an embodiment of the present invention;
[0034] Figure 3 This is a top view of the external airbag in an embodiment of the present invention;
[0035] Figure 4 This is a bottom view of the internal airbag in an embodiment of the present invention;
[0036] Figure 5 This is a schematic diagram of the airbag structure in an embodiment of the present invention;
[0037] Figure 6 This is an embodiment of the present invention. Figure 2 Enlarged view of point A in the middle;
[0038] Figure 7 This is a schematic diagram of the conductive layer structure in an embodiment of the present invention;
[0039] Figure 8 This is a schematic diagram illustrating the working principle of the computing system in an embodiment of the present invention;
[0040] Figure 9 These are schematic diagrams of various solutions in the embodiments of the present invention;
[0041] In the diagram: 1. Alarm; 2. Airbag; 21. Main airbag; 22. Outer airbag; 23. Inner airbag; 24. Main branch airbag one; 25. Main branch airbag two; 26. Support airbag; 261. Side support airbag; 262. Rigid contact foot; 27. Outer branch airbag; 271. Narrow opening; 272. Wide opening; 28. Material breaking opening; 29. Airbag core; 3. Megaphone; 4. Light ring; 5. Impact sensor; 6. Battery; 7. Control circuit; 8. Splash outlet; 9. Splash button; 10. Calculation system; 11. Pressure sensor; 12. Conductive layer; 121. Conductive outer ring; 122. Conductive inner ring; 123. Conductive sheet. Detailed Implementation
[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0043] In the description of this invention, it should be noted that those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Embodiments of this invention will now be described based on its overall structure.
[0044] A stampede protection device
[0045] Please see Figures 1-6 , Figure 8 and Figure 9The system includes a protective unit, comprising an airbag 2 and a computing system 10. The airbag 2 contains protective airbags that deploy in different directions upon collapse. The protective airbags can be manually opened via an ejection port 8 and an ejection button 9, or automatically opened via the computing system 10. The computing system 10 includes a gravity sensor and a gyroscope. When a person falls, the gravity sensor and gyroscope analyze the user's posture and movements to determine the user's current body state, and then deploy the corresponding protective airbags for protection, adjusting the direction and location of protection to adapt to different body postures.
[0046] Please see Figure 1 and Figure 7 The sensing unit includes an impact sensor 5, which has a conductive layer 12 inside. The impact sensor 5 operates through the conductive layer 12, and the conductive layer 12 responds to the control circuit 7 to control the deployment of the protective unit. The entire sensing unit is powered by a battery 6. The sensing unit contacts and stimulates the impact sensor 5 through the contraction of the contraction device, causing it to send an electrical signal to drive the circuit of the computing system 10 connected to the conductive layer 12, thereby controlling the opening of the airbag and...
[0047] The alarm unit includes an alarm device 1 and a precise location transmission device. The alarm device 1 sounds an alarm through a loudspeaker 3, a light ring 4, and an internal transmission device. When the loudspeaker 3 and the light ring 4 are working, it responds and reminds people to stay away. When the transmission device is working, it sends a rescue alarm to rescuers, thereby protecting its own safety.
[0048] Example 1
[0049] Please see Figures 2-6 As a further embodiment of the present invention: In the protective unit, the airbag 2 includes a main airbag 21 and a support airbag 26. The support airbag 26 is located at the end of the main airbag 21 away from the protective device and is deployed under the control of the computing system 10. A side support airbag 261 is fixedly connected to one side of the support airbag 26 and cooperates with the side support airbag 261 to form a stable support structure. One end of both the support airbag 26 and the side support airbag 261 is provided with a rigid contact foot 262 that internally houses the pressure sensor 11. The support airbag 26 is designed to support one end of the person after a collapse, thereby expanding the protective space for the person below the main airbag 21 and reducing the injury to the person. The support airbag 26 and the side support airbag 261 form a "Y-shaped" support structure, which can provide support and protection at the far end of the support airbag 26 that is in contact with the ground, thereby making the space of the personnel protection cavity below the main airbag 21 more robust and improving the personnel protection effect.
[0050] Example 2
[0051] Please see Figures 2-6As a further embodiment of the present invention: In the protective part, an outer airbag 22 is fixedly connected to one side of the main airbag 21. Several sets of external branch airbags 27 are disposed outside the outer airbag 22. Each external branch airbag 27 includes a narrow opening 271 and a wide opening 272, which are alternately distributed. An inner airbag 23 is fixedly connected to the side of the main airbag 21 away from the outer airbag 22. The inner airbag 23 is laid flat on the surface of the main airbag 21. A first main branch airbag 24 is fixedly connected to one side of the main airbag 21. The first main branch airbag 24 cooperates with the support airbag 26 to protect the end of the main airbag 21 away from the protective device. A second main branch airbag 25 is fixedly connected to one side of the outer branch airbag 27. The main bronchus 25 and the outer bronchus 27 work together to provide protection above the outer bronchus 22. The main bronchus 25 can fill the protection gap on the side of the outer bronchus 27. The main bronchus 24 can fill the protection gap above the main bronchus 21 and the support bronchus 26. The inner bronchus 23, which is laid flat on the surface of the main bronchus 21, can work with the main bronchus 21 to enhance personnel protection. Three sets of outer bronchus 27 are set on the outside of the outer bronchus 22. The three sets of outer bronchus 27 are arranged symmetrically on the main bronchus 21. Their protection directions are directly above the main bronchus 21, above the left side, and above the right side. They can provide targeted protection against pressure applied from different directions and enhance the protection performance from that direction.
[0052] Furthermore, in the protective section, the airbag 2 includes a rupture port 28 and an airbag core 29. An expansion material that can react with the airbag core 29 is placed in the interlayer between the airbag 2 and the rupture port 28. The rupture port 28 has a dot-shaped thin film structure. At the moment the protective airbag is opened, the rupture port 28 ruptures and releases the expansion material in the interlayer between the airbag 2 and the rupture port 28. After the reaction, the airbag 2 can expand throughout to provide protection. The dot-shaped structure of the rupture port 28 makes it easier to release the material in the interlayer. The expansion material is a common sodium azide, potassium nitrate, and silicon dioxide, etc. When the airbag is activated, it can drive the airbag to expand rapidly so that it can achieve the function of protecting the human body.
[0053] Example 3
[0054] As a further aspect of the present invention: the alarm unit also includes a loudspeaker 3 and a light ring 4, both of which are electrically connected to the control circuit 7; due to the arrangement of the loudspeaker 3 and the light ring 4, when the equipment is working, the loudspeaker 3 and the light ring 4 respectively realize the functions of loudspeaker alarm and flashing alarm to remind personnel to avoid the area.
[0055] Example 4
[0056] Please see Figure 7As a further embodiment of the present invention: In the sensing unit, the conductive layer 12 includes a conductive outer ring 121 and a conductive inner ring 122. The conductive outer ring 121 and the conductive inner ring 122 are arranged in an array on adjacent sides to provide a circuit for the conductive layer 12. When the sensing unit is squeezed, mainly the conductive outer ring 121 is squeezed, which will cause the conductive sheet 123 to move and contact the conductive sheet 123 connected to one side of the conductive inner ring 122. Any contact between any conductive sheet 123 connected to the conductive outer ring 121 and another conductive sheet 123 connected to the conductive inner ring 122 can make the conductive layer 12 work and respond. This allows the sensing unit to contact and stimulate the impact sensor 5 through the contraction of the contraction device, causing it to send an electrical signal to drive the circuit of the conductive layer 12 connected to the computing system 10, thereby controlling the airbag to open.
[0057] Example 5
[0058] Please refer to the following: Figure 1 , Figure 8 and Figure 9 As a further aspect of the present invention: the computing system 10 includes a gravity sensor, a gyroscope and a computing chip disposed therein, and the computing chip adjusts the control scheme of the cylinder by comprehensively adjusting the deflection attitude of the gyroscope and the value sensed by the gravity sensor.
[0059] Option 1: When the calculation system 10 calculates the main pressure in this direction, it drives the main airbag 21, the main bronchus airbag 25, and the outer bronchus airbag 27 on the upper right side to open for protection.
[0060] Option 2: When the calculation system 10 calculates the main pressure in this direction, it drives the main airbag 21 and the outer branch airbag 27 on the upper right side to open for protection;
[0061] Option 3: When the calculation system 10 calculates the main pressure in this direction, it drives the main airbag 21 and the outer branch airbag 27 directly above it to open for protection;
[0062] Option 4: When the calculation system 10 calculates the main pressure in this direction, it drives the main airbag 21, the main bronchus airbag 24 and the outer bronchus airbag 27 on the upper left side to open for protection.
[0063] Option 5: When the calculation system 10 calculates the main pressure in this direction, it drives the main airbag 21 and the main bronchus airbag 24 to open for protection;
[0064] In addition, in all five schemes, the support airbag 26 is deployed for support and protection.
[0065] Example 6
[0066] Alternatively, this application can also protect personnel by floating on the water surface, such as: the life-saving bracelet airbag is filled with air, which can provide the necessary buoyancy to keep people in a stable state on the water surface; the bracelet's sealing design can prevent water from entering; at the same time, the sensitive sensor of the life-saving bracelet airbag can automatically inflate in the event of an accident to provide protection.
[0067] Another type is the safety anti-pinch sensor, which is an electromechanical conversion and self-generating sensor. Its sensitive element is made of piezoelectric material. When the piezoelectric material is subjected to external force, its surface will form a charge. After the charge is amplified by the charge amplifier and the measuring circuit and the impedance is transformed, it will be converted into an electrical output that is proportional to the external force.
[0068] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A step event protection device, characterized by The system includes a protective unit, which includes an airbag (2) and a computing system (10). The airbag (2) is equipped with protective airbags that deploy in different directions when the system collapses. The protective airbags are opened manually via the ejection port (8) and the ejection button (9), and automatically via the computing system (10). The sensing unit includes an impact sensor (5), which has a conductive layer (12) inside. The impact sensor (5) operates through the conductive layer (12), and the conductive layer (12) responds to the control circuit (7) and controls the deployment of the protection unit. The entire sensing unit is powered by a battery (6). An alarm unit, comprising an alarm (1) and a precise location transmission device; The computing system (10) includes a gravity sensor, a gyroscope and a computing chip installed inside it. The computing chip adjusts the control scheme of the cylinder by combining the gyroscope's deflection attitude and the gravity sensor's sensing value. In the protection unit, the airbag (2) includes a main airbag (21) and a support airbag (26). The support airbag (26) is located at the end of the main airbag (21) away from the protection device and is deployed by the computing system (10). A side support airbag (261) is fixedly connected to one side of the support airbag (26) and cooperates with the side support airbag (261) to form a stable support structure. One end of the support airbag (26) and the side support airbag (261) are both provided with a hard contact foot (262) that internally accommodates a pressure sensor (11).
2. A device according to claim 1, wherein In the protection section, an external airbag (22) is fixedly connected to one side of the main airbag (21). Several sets of external branch airbags (27) are arranged outside the external airbag (22). The external branch airbag (27) includes a narrow opening (271) and a wide opening (272), and the narrow opening (271) and the wide opening (272) are staggered.
3. The trampling event protection device according to claim 1, characterized in that, In the protective section, an inner airbag (23) is fixedly connected to the side of the main airbag (21) away from the outer airbag (22), and the inner airbag (23) is laid flat on the surface of the main airbag (21).
4. A trampling incident protection device according to claim 2, characterized in that, In the protection section, a main bronchus airbag (24) is fixedly connected to one side of the main airbag (21). The main bronchus airbag (24) and the support airbag (26) work together to protect the end of the main airbag (21) away from the protection device. A main bronchus airbag (25) is fixedly connected to one side of the outer bronchus airbag (27). The main bronchus airbag (25) and the outer bronchus airbag (27) work together to protect the upper part of the outer airbag (22).
5. A trampling event protection device according to claim 2, characterized in that, The alarm unit also includes a loudspeaker (3) and a light ring (4), both of which are electrically connected to the control circuit (7).
6. A trampling event protection device according to claim 1, characterized in that, In the protective section, the airbag (2) includes a rupture port (28) and an airbag core (29). An expansion material that can react with the airbag core (29) is placed in the interlayer between the airbag (2) and the rupture port (28). The rupture port (28) is a dot-shaped thin film structure.
7. A trampling event protection device according to claim 1, characterized in that, In the sensing part, the conductive layer (12) includes a conductive outer ring (121) and a conductive inner ring (122). The conductive outer ring (121) and the conductive inner ring (122) are arranged in an array on the adjacent side of the conductive outer ring (121) and the conductive inner ring (122) for the conductive layer (12) to be connected.
8. The stampede protection device and its method of use according to claim 1, characterized in that, include Option 1: When the calculation system (10) calculates the main pressure in this direction, it drives the main airbag (21), the second main bronchus airbag (25), and the outer bronchus airbag (27) on the upper right side to open for protection; Option 2: When the calculation system (10) calculates the main pressure in this direction, it drives the main airbag (21) and the outer branch airbag (27) on the upper right side to open for protection; Option 3: When the calculation system (10) calculates the main pressure in this direction, it drives the main airbag (21) and the outer branch airbag (27) directly above to open for protection; Option 4: When the calculation system (10) calculates the main pressure in this direction, it drives the main airbag (21), the main bronchus airbag (24) and the outer bronchus airbag (27) on the upper left side to open for protection; Option 5: When the calculation system (10) measures the main pressure in this direction, it drives the main airbag (21) and the main bronchus airbag (24) to open for protection; wherein: In all five schemes, the support airbag (26) is opened for support and protection.