Anti-falling air bag control mechanism and control method
Through the design of the angle swing component and trigger structure, the sensor module and data processing module monitor the user's body acceleration and angular velocity changes in real time. Combined with machine learning algorithms, the risk of fall is assessed, an alarm is issued and the deployment direction of the airbag is controlled. The sensor module and data processing module monitor the user's health data such as heart rate, blood pressure and number of steps in real time, and transmit the health data to the associated mobile terminal or cloud platform through the communication module.
Patent Information
- Application Number
- CN202511279484.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-09
- Publication Date
- 2025-12-05
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing fall protection devices generate significant impact on the front of the body when the airbag inflates, and the airbag's orientation is not conducive to effectively cushioning the impact of a fall, thus failing to meet actual needs.
It employs an angle swing component and a trigger-opening structure to monitor the user's health data such as heart rate, blood pressure, and steps in real time through a sensor module and a data processing module, and transmits the health data to a connected mobile terminal or cloud platform through a communication module.
It reduces the impact on the front of the body during airbag inflation, ensures that the airbag deploys in the appropriate direction, improves the reliability and stability of fall protection, and adapts to various usage scenarios.
Smart Images

Figure CN121059352A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of fall prevention equipment, in particular to a fall prevention air bag control mechanism and control method. BACKGROUND
[0002] With the aggravation of population aging, the problem of falls among the elderly is increasingly concerned. Falls not only bring physical pain to the elderly, but also can lead to serious complications, and even endanger life. At present, some fall prevention devices have appeared on the market, such as wearable fall alarm, etc., but these devices can only send an alarm after the fall occurs, and cannot effectively prevent and protect before the fall.
[0003] In order to reduce the harm to the elderly when falling, some fall prevention devices with air bags have emerged. However, the existing air bag fall prevention devices often produce a large impact force on the front of the human body when the air bag inflates, and the setting direction of the air bag may not be conducive to effectively buffering the impact force of the fall, which cannot well meet the actual needs. Therefore, it is necessary to develop a fall prevention air bag control mechanism which can reduce the impact force on the front of the human body during the inflation of the air bag and ensure the setting direction of the air bag.
[0004] Therefore, the existing fall prevention equipment technology needs to be further improved. SUMMARY
[0005] The purpose of the present application is to provide a fall prevention air bag control mechanism and control method, which can reduce the impact force on the front of the human body, ensure the setting direction of the air bag, and enhance the reliability of fall prevention protection.
[0006] In order to achieve the above purpose, the present application adopts the following scheme:
[0007] A fall prevention air bag control mechanism, comprising a connecting seat for connecting to a device, an angle swing assembly is arranged on both sides of the connecting seat, and an air bag is arranged in the angle swing assembly, a trigger opening structure is arranged on the connecting seat for driving two angle swing assemblies to move, and an unlocking structure is arranged between the trigger opening structure and the connecting seat;
[0008] The angle swing assemblies on both sides can drive the air bag to switch from being arranged to one side to being arranged to the front when inflating, thereby reducing the impact force on the front of the human body during the inflation of the air bag and ensuring the setting direction of the air bag.
[0009] Further, the angle swing assembly comprises an air bag slot arranged on one side of the connecting seat, corner guide grooves are arranged on the front and rear sides of the air bag slot, two guide shafts are movably arranged in the corner guide grooves at intervals, an air bag mounting frame is arranged between the guide shafts, and the air bag is mounted in the air bag mounting frame.
[0010] The corner guide is arranged along the upper outside curve.
[0011] Further, the trigger expansion structure comprises a vertical guide groove arranged in the middle of the connecting seat, a vertical slider movably arranged in the vertical guide groove, a first hinge seat arranged on both sides of the vertical slider, and a connecting rod hingedly connected between the first hinge seat and one of the guide shafts on the corresponding side.
[0012] Further, the unlocking structure comprises an elastic structure arranged in the vertical guide groove, the elastic structure keeps the vertical slider in a depressed state, and a push rod motor is arranged in the vertical slider to limit the downward movement of the vertical slider.
[0013] Further, the connecting seat is provided with an inflating device, and the inflating device is in communication with the air bag through a connecting hose.
[0014] A fall-preventing air bag control method comprises the following steps:
[0015] A sensor module comprises at least an accelerometer, a gyroscope, and a pressure sensor; the accelerometer is used to monitor the acceleration change of the user's body in real time, the gyroscope is used to monitor the angular velocity change of the user's body in real time, and the pressure sensor is distributed on the part of the device in contact with the user's body to monitor the pressure change of each part of the body.
[0016] A data processing module is connected with the sensor module, and the data processing module is built-in with a fall risk assessment model based on a machine learning algorithm and a gait analysis model; the fall risk assessment model calculates a fall risk coefficient according to the data collected by the accelerometer, the gyroscope, and the pressure sensor, and determines that there is a fall risk when the fall risk coefficient exceeds a preset threshold; the gait analysis model identifies gait parameters such as the step length, the step frequency, the foot lifting height, and the walking speed of the user according to the sensor data, and analyzes the gait stability.
[0017] An alarm module is connected with the data processing module, and the alarm module sends an alarm signal when the fall risk assessment model determines that there is a fall risk or detects that a fall occurs, the alarm signal comprising a sound alarm, a vibration alarm, and a light alarm.
[0018] A power supply module provides electric energy for the sensor module, the data processing module, the push rod motor, the inflating device, and the alarm module, the power supply module adopts a rechargeable battery, and the device is equipped with a wireless charging function.
[0019] A communication module is connected with the data processing module, the communication module supports Bluetooth, Wi-Fi or mobile network communication, and is used for transmitting data and alarm information collected by the device to an associated mobile terminal or cloud platform.
[0020] Further, the data processing module is in communication connection with the push rod motor and the inflator, and when the fall risk coefficient exceeds the preset threshold, the push rod motor and the inflator are controlled to start working.
[0021] Further, the connecting seat is installed in a wristband type, waistband type or chest hanging type structure, is made of soft, skin-friendly and elastic medical silica gel or textile material, and is adapted to the wearing requirements of different users.
[0022] Further, the data processing module is further integrated with a health data monitoring sub-module, which is used for monitoring health data such as heart rate, blood pressure and motion steps of the user in real time, and transmitting the health data to an associated mobile terminal or cloud platform through the communication module.
[0023] Further, when the alarm module sends an alarm signal, the communication module automatically sends a help-seeking short message containing user location information to a preset emergency contact person, and the location information is obtained by a GPS positioning module integrated in the device.
[0024] The pressure sensors in the sensor module are arrayed, can accurately sense the position and intensity of the pressure change of each part of the body, and provide more accurate data for fall risk assessment and gait analysis.
[0025] The fall risk assessment model and the gait analysis model based on the machine learning algorithm can be upgraded online by receiving update data from the cloud platform, so as to optimize the accuracy of assessment and analysis.
[0026] In summary, the present application has the following advantages over the prior art:
[0027] The present application solves the problems existing in the prior art of fall prevention equipment, and has the following advantages through the structural arrangement of the present application. In the control mechanism of the present application, the angle swing assemblies on both sides can drive the air bag to switch from being arranged towards one side to being arranged towards the front during inflation. During this switching process, the impact force on the human body is dispersed, avoiding the concentration of the impact force on the human body, thereby reducing the impact force on the human body and the risk of secondary injury caused by the impact of the air bag inflation. The protection effect on the elderly is improved, and the harm caused by falling is minimized. The reliability of the fall prevention protection is enhanced, and through the cooperative work of the angle swing assembly, the trigger opening structure and the unlocking structure, the air bag can accurately switch direction and inflate and expand when needed. This systematic design enhances the reliability and stability of the entire fall prevention system. It is suitable for various use scenarios. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is one of the perspective view of the present application;
[0029] Figure 2 is the second perspective view of the present application;
[0030] Figure 3 is one of the sectional view of the present application;
[0031] Figure 4 is the second sectional view of the present application;
[0032] Figure 5 is the schematic diagram of the control method system of the present application. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.
[0034] Please refer to Figures 1-5 The present application provides a kind of anti-falling air bag control mechanism, including for being connected to equipment connecting seat 100, the connecting seat 100 both sides each is provided with angle swing component 200 and air bag 300 being arranged in the angle swing component 200, the connecting seat 100 is provided with for driving two angle swing component 200 movement trigger prop open structure 400, unlock structure 500 is arranged between trigger prop open structure 400 and the connecting seat 100;
[0035] The anti-falling air bag control mechanism of the present application includes connecting seat 100, angle swing component 200, air bag 300, trigger prop open structure 400 and unlock structure 500.
[0036] Connecting seat 100 is used for being connected to equipment, it is the basic installation component of whole control mechanism.
[0037] The angle swing assembly 200 is arranged on both sides of the connecting seat 100. Specifically, the angle swing assembly 200 comprises an airbag slot 2001 arranged on one side of the connecting seat 100, corner guide grooves 2002 arranged on the front and back sides of the airbag slot 2001, two guide shafts 2003 movably arranged in the corner guide grooves 2002, an airbag mounting frame 2004 arranged between the guide shafts 2003, and an airbag 300 mounted in the airbag mounting frame 2004. The corner guide grooves 2002 are arranged in a curved manner along the upper side of the outer side. When the guide shafts 2003 move in the corner guide grooves 2002, the guide shafts 2003 can drive the airbag mounting frame 2004 and the airbag 300 to swing, so that the airbag 300 is switched from being arranged on one side to being arranged in front.
[0038] The trigger opening structure 400 is arranged on the connecting seat 100 and is used to drive the two angle swing assemblies 200 to move. The trigger opening structure 400 comprises a vertical guide groove 4001 arranged in the middle of the connecting seat 100, a vertical sliding block 4002 movably arranged in the vertical guide groove 4001, a first hinge seat 4003 arranged on each side of the vertical sliding block 4002, and a connecting rod 4004 hingedly connected between the first hinge seat 4003 and one of the guide shafts 2003 on the corresponding side. When the vertical sliding block 4002 moves up and down in the vertical guide groove 4001, the connecting rod 4004 drives the guide shafts 2003 to move in the corner guide grooves 2002, thereby driving the angle swing assemblies 200 to move.
[0039] The unlocking structure 500 is arranged between the trigger opening structure 400 and the connecting seat 100 and is used to control the working state of the trigger opening structure 400. The unlocking structure 500 comprises a resilient structure 5001 arranged in the vertical guide groove 4001, the resilient structure 5001 keeps the vertical sliding block 4002 in a pressed state, and a push rod motor 5002 is arranged in the vertical sliding block 4002 and is used to limit the downward movement of the vertical sliding block 4002. In a normal state, the push rod motor 5002 limits the downward movement of the vertical sliding block 4002. When it is detected that a fall or other situation that needs to trigger the airbag occurs, the push rod motor 5002 is actuated to release the blocking of the vertical sliding block 4002, and the resilient structure 5001 pushes the vertical sliding block 4002 to move downward, thereby triggering the angle swing assemblies 200 to move.
[0040] In addition, the connecting seat 100 is provided with an inflation device 600, and the inflation device 600 is in communication with the airbag 300 through a connecting hose 700. During the inflation process, the airbag 300 is expanded, the increased space of the airbag 300 pushes the airbag mounting frame 2004 to swing and switch the direction;
[0041] The airbag 300 is rapidly inflated, which plays a buffering protection role and reduces the impact force during the inflation process
[0042] In conclusion, the anti-falling air bag control mechanism can effectively reduce the impact force of the air bag on the human body during inflation, and ensure that the air bag is deployed in the appropriate direction, thereby providing better anti-falling protection for the user
[0043] The angle swing assembly 200 on both sides can drive the air bag 300 to switch from being arranged to one side to being arranged to the front during inflation, thereby reducing the impact force of the air bag 300 on the human body during inflation and ensuring the arrangement direction of the air bag.
[0044] The angle swing assembly 200 comprises an air bag slot 2001 arranged on one side of the connecting seat 100, corner guide grooves 2002 are arranged on the front and back of the air bag slot 2001, two guide shafts 2003 are movably arranged in the corner guide grooves 2002, an air bag mounting frame 2004 is arranged between the guide shafts 2003, and the air bag 300 is mounted in the air bag mounting frame 2004.
[0045] The corner guide grooves 2002 are curvedly arranged along the outer side and the upper side.
[0046] The trigger opening structure 400 comprises a vertical guide groove 4001 arranged in the middle of the connecting seat 100, a vertical sliding block 4002 movably arranged in the vertical guide groove 4001, a first hinge seat 4003 arranged on each side of the vertical sliding block 4002, and a connecting rod 4004 hingedly connected between the first hinge seat 4003 and one of the guide shafts 2003 on the corresponding side.
[0047] The unlocking structure 500 comprises an elastic structure 5001 arranged in the vertical guide groove 4001, the elastic structure 5001 keeps the vertical sliding block 4002 in a pressed state, and a push rod motor 5002 is arranged in the vertical sliding block 4002 and used for limiting the downward movement of the vertical sliding block 4002.
[0048] The connecting seat 100 is provided with an inflation device 600, and the inflation device 600 is communicated with the air bag 300 through a connecting hose 700.
[0049] An anti-falling air bag control method comprises the following steps:
[0050] A sensor module 1 comprises at least an accelerometer 101, a gyroscope 102 and a pressure sensor 103; the accelerometer 101 is used for monitoring the acceleration change of the user's body in real time, the gyroscope 102 is used for monitoring the angular velocity change of the user's body in real time, and the pressure sensor 103 is distributed on the part of the equipment in contact with the user's body and is used for monitoring the pressure change of each part of the body.
[0051] A data processing module 2 is connected with the sensor module 1, and the data processing module 2 is internally provided with a fall risk assessment model based on a machine learning algorithm and a gait analysis model; the fall risk assessment model calculates a fall risk coefficient according to the data collected by the accelerometer 101, the gyroscope 102 and the pressure sensor 103, and determines that there is a fall risk when the fall risk coefficient exceeds a preset threshold; the gait analysis model identifies gait parameters such as the user's step length, step frequency, foot lifting height and walking speed according to the sensor data, and analyzes the gait stability;
[0052] An alarm module 3 is connected with the data processing module 2, and the alarm module 3 sends an alarm signal when the fall risk assessment model determines that there is a fall risk or detects that a fall occurs, wherein the alarm signal includes a sound alarm, a vibration alarm and a light alarm;
[0053] A power supply module 4 provides power for the sensor module 1, the data processing module 2, the push rod motor 5002, the inflating device 600 and the alarm module 3, and the power supply module 4 adopts a rechargeable battery and the device is provided with a wireless charging function;
[0054] A communication module 5 is connected with the data processing module 2, and the communication module 5 supports Bluetooth, Wi-Fi or mobile network communication, and is used for transmitting the data and alarm information collected by the device to an associated mobile terminal or a cloud platform.
[0055] The data processing module 2 is in communication connection with the push rod motor 5002 and the inflating device 600, and controls the push rod motor 5002 and the inflating device 600 to start working when the fall risk coefficient exceeds the preset threshold.
[0056] The connecting seat 100 is installed in a wristband type, a waistband type or a chest hanging type structure, and is made of soft, skin-friendly and elastic medical silica gel or textile materials to adapt to the wearing needs of different users.
[0057] The data processing module 2 is also integrated with a health data monitoring sub-module for monitoring the health data such as the user's heart rate, blood pressure and exercise steps in real time, and transmitting the health data to an associated mobile terminal or a cloud platform through the communication module 5.
[0058] When the alarm module 3 sends an alarm signal, the communication module 5 automatically sends a help-seeking short message containing user location information to a preset emergency contact, and the location information is obtained by a GPS positioning module integrated in the device;
[0059] The pressure sensor 103 in the sensor module 1 is arrayed, which can accurately perceive the position and intensity of the pressure change of each part of the body, and provide more accurate data for fall risk assessment and gait analysis;
[0060] The fall risk assessment model and gait analysis model based on the machine learning algorithm can be upgraded online by receiving update data from the cloud platform to optimize the accuracy of assessment and analysis.
[0061] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A fall-preventing airbag control mechanism comprising a connection seat (100) for connection to a device, characterized in that: The connecting seat (100) is provided with an angle swing assembly (200) on each side and an air bag (300) arranged in the angle swing assembly (200), and a trigger opening structure (400) for driving the two angle swing assemblies (200) to move is arranged on the connecting seat (100), and an unlocking structure (500) is arranged between the trigger opening structure (400) and the connecting seat (100); The angle swing assembly (200) on each side can drive the air bag (300) to change from being arranged towards one side to being arranged towards the front when inflated, so as to reduce the impact force of the air bag (300) on the human body during inflation and ensure the arrangement direction of the air bag.
2. The fall-preventing airbag control mechanism according to claim 1, characterized by: The angle swing assembly (200) comprises an air bag slot (2001) arranged on one side of the connecting seat (100), corner guide grooves (2002) are arranged on the front and back sides of the air bag slot (2001), two guide shafts (2003) are movably arranged in the corner guide grooves (2002) at intervals, and an air bag mounting frame (2004) is arranged between the guide shafts (2003); and the air bag (300) is mounted in the air bag mounting frame (2004). The corner guide grooves (2002) are curved upwards along the outer side.
3. The fall-preventing airbag control mechanism according to claim 2, characterized by: The trigger opening structure (400) comprises a vertical guide groove (4001) arranged in the middle of the connecting seat (100), a vertical sliding block (4002) is movably arranged in the vertical guide groove (4001), a first hinge seat (4003) is arranged on each side of the vertical sliding block (4002), and a connecting rod (4004) is hinged between the first hinge seat (4003) and one of the guide shafts (2003) on the corresponding side.
4. The fall-preventing airbag control mechanism according to claim 3, characterized by: The unlocking structure (500) comprises a resilient structure (5001) arranged in the vertical guide groove (4001), the resilient structure (5001) keeps the vertical sliding block (4002) in a depressed state, and a push rod motor (5002) is arranged in the vertical sliding block (4002) to limit the downward movement of the vertical sliding block (4002).
5. A fall-preventing airbag control mechanism according to claim 4, characterized in that: An inflation device (600) is arranged in the connecting seat (100), and the inflation device (600) is in communication with the air bag (300) through a connecting hose (700).
6. A fall-preventing airbag control method including the fall-preventing airbag control mechanism according to any one of claims 1 to 5, characterized by, Comprise: A sensor module (1) comprising at least an accelerometer (101), a gyroscope (102) and a pressure sensor (103); the accelerometer (101) is used for monitoring the acceleration change of the user's body in real time, the gyroscope (102) is used for monitoring the angular velocity change of the user's body in real time, and the pressure sensor (103) is distributed on the part of the device in contact with the user's body, and is used for monitoring the pressure change of each part of the body; A data processing module (2) is connected with the sensor module (1), and the data processing module (2) is internally provided with a fall risk assessment model and a gait analysis model based on a machine learning algorithm; the fall risk assessment model calculates a fall risk coefficient according to data collected by the accelerometer (101), the gyroscope (102) and the pressure sensor (103), and determines that there is a fall risk when the fall risk coefficient exceeds a preset threshold; the gait analysis model identifies gait parameters such as the user's step length, step frequency, foot lifting height and walking speed according to sensor data, and analyzes gait stability; An alarm module (3) is connected with the data processing module (2), and the alarm module (3) sends an alarm signal when the fall risk assessment model determines that there is a fall risk or detects that a fall has occurred, wherein the alarm signal includes a sound alarm, a vibration alarm and a light alarm; A power supply module (4) provides power for the sensor module (1), the data processing module (2), the push rod motor (5002), the inflator (600) and the alarm module (3), and the power supply module (4) uses a rechargeable battery and the device is equipped with wireless charging function; A communication module (5) is connected with the data processing module (2), and the communication module (5) supports Bluetooth, Wi-Fi or mobile network communication, and is used for transmitting data and alarm information collected by the device to an associated mobile terminal or cloud platform.
7. The fall-preventing airbag control method according to claim 6, characterized by: The data processing module (2) is in communication connection with the push rod motor (5002) and the inflator (600), and controls the push rod motor (5002) and the inflator (600) to start working when the fall risk coefficient exceeds the preset threshold.
8. The fall-preventing airbag control method according to claim 7, characterized by: The connection seat (100) is installed in a wristband, waistband or chest hanging structure, and is made of soft, skin-friendly and elastic medical silicone or textile materials to adapt to the wearing needs of different users.
9. The fall-preventing airbag control method according to claim 8, characterized by: The data processing module (2) is also integrated with a health data monitoring sub-module for real-time monitoring of health data such as the user's heart rate, blood pressure and exercise steps, and transmitting the health data to an associated mobile terminal or cloud platform through the communication module (5).
10. The fall-preventing airbag control method according to claim 9, characterized by: When the alarm module (3) sends an alarm signal, the communication module (5) automatically sends a help-seeking short message containing user location information to a preset emergency contact, and the location information is obtained by a GPS positioning module integrated in the device; The pressure sensor (103) in the sensor module (1) is arrayed, which can accurately perceive the position and intensity of the pressure change of each part of the body, and provide more accurate data for fall risk assessment and gait analysis; The fall risk assessment model and the gait analysis model based on the machine learning algorithm can be upgraded online by receiving update data from the cloud platform to optimize the accuracy of assessment and analysis.