Intelligent anti-falling bed

Abstract

The invention discloses an intelligent anti-falling bed which comprises a main control module, a driving module for driving a guardrail to be folded and unfolded and a detection module for detecting the posture of a human body, the detection module comprises a trunk detection assembly and an edge detection assembly; the trunk detection assembly comprises a chest sensing device and a hip sensing device, and the chest sensing device and the hip sensing device are arranged on the bed board and distributed corresponding to the positions of the chest and the hip of a human body; the edge detection components are arranged on the backrest and are distributed corresponding to the left and right side edges of the bed board; a chest sensing device and a hip sensing device of the trunk detection assembly detect the sleeping posture of a human body on the bed board, and the edge detection assembly detects the distance between the human body and the edge of the bed; through cooperative work of the main control module, the driving module and the detection module, the posture and position of a human body on the bed are monitored in real time; when the main control module judges that the falling risk exists, the driving module is controlled to drive the guardrail to unfold, so that the patient or the user is effectively prevented from falling off the bed, and the use safety is greatly enhanced.

Description

Technical Field

[0001] The present invention relates to the manufacturing field of medical auxiliary equipment, and more specifically, to an intelligent anti-fall bed. Background Art

[0002] In China, the elderly population aged 65 and above has formed a large group. They not only have to deal with problems that naturally increase with age, such as sarcopenia and bone loss, but also diabetic patients may suffer from osteoporosis. The combination of these factors significantly increases the risk of falls for the elderly. Among the reports of injuries, disabilities and deaths among the elderly, falling out of bed is an important factor leading to accidental risks for the elderly.

[0003] Currently, there are very limited effective measures to prevent the elderly from falling out of bed, which mainly rely on the caregivers' sense of responsibility and the elderly's compliance with prevention education measures. However, since caregivers have to take care of multiple responsibilities, it is difficult to provide close monitoring around the clock, which to some extent weakens the safety of the elderly during this period.

[0004] Therefore, an anti-fall bed was invented. The guardrails of a traditional anti-fall bed are usually fixed on both sides of the bed. Although they play a protective role to a certain extent, they also have many inconveniences and limitations. For example, the fixed setting of the guardrail restricts the user's activities in the bed, affecting the user's comfort and self-care ability. Summary of the invention

[0005] The present invention overcomes the deficiencies of the prior art and provides an intelligent anti-fall bed which has a simple structure, a reasonable design, can accurately sense the posture and position of the human body, and can intelligently judge the risk of falling.

[0006] In order to solve the above technical problems, the technical solution of the present invention is as follows: The intelligent anti-fall bed comprises a bed body and guardrails; the bed body comprises a bed board and a backrest, the backrest is arranged at the head of the bed board, and the guardrails are foldably arranged on both sides of the bed board; the bed body comprises a main control module, a driving module for driving the guardrails to fold and unfold, and a detection module for detecting the posture of a human body; the detection module comprises a trunk detection component and an edge detection component; the trunk detection component comprises a chest sensor device and a hip sensor device, both of which are arranged on the bed board and are arranged corresponding to the position distribution of the chest and hip of the human body; the edge detection component is arranged on the backrest and is arranged corresponding to the left and right edges of the bed board; the chest sensor device and the hip sensor device of the trunk detection component detect the sleeping posture of the human body on the bed board, and the edge detection component detects the distance between the human body and the edge of the bed. The trunk detection component and the edge detection component transmit the measured data to the main control module, and the main control module judges the risk of falling and controls the driving module to drive the guardrail to unfold according to the judgment result, and controls the degree of unfolding.

[0007] Furthermore, the torso detection component also includes a mounting device, which includes a mounting plate; the chest sensor device and the hip sensor device are respectively mounted on the corresponding mounting plates, and the mounting plates are adjustable in position on the bed board.

[0008] Furthermore, it also includes an adjustment module, which includes a shell, an adjustment bracket and an adjustment device; the shell is fixed on the backrest, the adjustment bracket is assembled on the shell, and the adjustment device is assembled on the adjustment bracket using a display; the display is connected to the main control module, and the user adjusts the switch state of the anti-fall function, the working state of the force sensor and the infrared sensor through the display; at the same time, the trigger threshold for triggering the deployment of the guardrail and the degree of deployment can also be adjusted through the display.

[0009] Furthermore, it includes a voice prompt module and a light prompt module; the main control module includes a control chip, which is connected to the detection module, the voice prompt module, the light prompt module and the adjustment device; a motor interface is provided on the bed body, the motor interface is connected to the control chip, and the drive module is connected to the control chip by connecting to the motor interface; the drive module is connected to the guardrail; when the anti-fall function is turned on, the user or medical staff or caregiver pre-sets the trigger threshold of the guardrail through the adjustment device according to the physical condition of the human body and the weight of the bedding; the torso detection component and the edge detection component of the detection module perform data detection and transmit the detection data to the control chip, and the control chip analyzes the user's body posture in combination with the data, determines the danger through the body posture obtained by the analysis, and then controls the drive module to drive the guardrail to unfold according to the danger, and at the same time alarms through the voice prompt module and the light prompt module; it also includes a power supply module, which is connected to the adjustment module, the detection module, the voice prompt module, the light prompt module and the drive module, and provides driving power. Beneficial Effects

[0010] In the present invention, through the coordinated work of the main control module, the driving module and the detection module, the posture and position of the human body on the bed can be monitored in real time; when it is detected that the human body is close to the edge of the bed, the main control module will promptly determine the risk of falling, and control the driving module to drive the guardrail to unfold, thereby effectively preventing the patient or user from falling out of bed, greatly enhancing the safety of use.

[0011] In the present invention, the torso detection component and the edge detection component in the detection module can accurately monitor the position and posture of the human body on the bed; the torso detection component can sense the position of the human chest, back and buttocks in real time through the setting of the chest sensor device and the buttocks sensor device, and transmit the data to the main control module, and the main control module determines the changes in the sleeping posture of the human body through the data; and the edge detection component can detect the distance between the human body and the edge of the bed; and then determine the risk of falling, and provide real-time safety warnings for users; and according to the judgment results, the driving module can be controlled to drive the guardrail to expand to different degrees, providing installation guarantees for users.

[0012] In the present invention, by setting the mounting plate, the chest sensor device and the hip sensor device can be adjusted in position according to the actual body data of the user or patient and the actual usage situation, so that the chest sensor device and the hip sensor device can more accurately correspond to the chest, back and hips of the human body, so that the sensor device can more accurately capture the posture changes of the human body and improve the accuracy of detection; at the same time, it also enables the device to be targetedly adjusted according to the different body shapes of different people, which not only makes the detection result more accurate to improve the safety performance of the device, but also makes the applicability of the device higher.

[0013] In the present invention, the connection between the display and the main control module allows the user to monitor and adjust the working status of the anti-fall bed in real time, which greatly improves the safety and reliability of the equipment; first, the user can understand the status of the force sensor and the infrared sensor at any time to ensure that they can respond accurately when needed; secondly, the threshold for triggering the deployment of the guardrail can be adjusted through the display. The user can set a more appropriate threshold based on specific circumstances, such as the user's age, weight, mobility, and the weight of the bedding on the bed, so that the debugged threshold is more suitable for the user, thereby improving the comfort of use without sacrificing safety.

[0014] In the present invention, by introducing a voice prompt module and a light prompt module, the intelligent anti-fall bed can promptly remind users, medical staff or caregivers through dual prompts of sound and light when potential danger is detected; this multiple prompt method not only enhances the perception of safety, but also improves the response speed in emergency situations, helping to avoid the occurrence of accidents.

[0015] In the present invention, the torso detection component and edge detection component of the detection module can collect data in real time and transmit the data to the control chip for analysis; the control chip analyzes the user's body posture in combination with the data and determines its dangerousness. This intelligent detection and analysis method enables the smart anti-fall bed to more accurately identify potential dangerous situations, thereby taking more appropriate protective measures; through automation and intelligent methods, the workload of medical staff and caregivers is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the whole invention.

[0017] Figure 2 This is the structural diagram of the mounting plate.

[0018] Figure 3 for Figure 2 Enlarged structural diagram of point A in the middle.

[0019] Figure 4 It is a cross-sectional structural diagram of the mating groove and the limiting groove in the mating part.

[0020] Figure 5 The cross-sectional structural diagram is a diagram of the adjustment slide block, adjustment rail, limit piece and assembly seat in the adjustment slot when they are in coordination.

[0021] Figure 6 This is a structural diagram of the limiter.

[0022] Figure 7 The present invention is a structural diagram of a chest sensor device or a hip sensor device being assembled on an assembly seat.

[0023] Figure 8 The figure is a structural diagram of a force sensor in a chest sensing device or a hip sensing device.

[0024] Fig. 9 This is a structural diagram of the assembly seat.

[0025] Fig.10 This is a structural diagram of the coordination between the guardrail and the drive module.

[0026] Fig.11 This is a structural diagram of the adjustment bracket.

[0027] Fig.12 It is a schematic diagram of the framework of the control logic of the present invention.

[0028] Fig.13 This is the circuit diagram of the main control module.

[0029] Fig.14 This is the circuit diagram of the power module.

[0030] Fig.15 This is the circuit diagram of the motor interface.

[0031] Fig.16 This is the circuit diagram of the light prompt module.

[0032] Fig.17 This is the circuit diagram of the voice prompt module.

[0033] Fig.18 This is the circuit diagram of the detection module.

[0034] Numbers in the figure: 1. Bed body; 2. Guardrail; 3. Drive module; 4. Detection module; 5. Trunk detection component; 6. Edge detection component; 7. Adjustment module; 11. Bed board; 12. Backrest; 13. Matching part; 14. Matching groove; 15. Limiting groove; 21. Fixed sheet metal; 22. Connecting rod; 23. Armrest; 24. Connecting shaft; 25. Connecting sleeve; 26. Mounting shaft; 31. Drive motor; 32. Drive cylinder; 51. Chest sensor; 52. Hip sensor; 53. Mounting plate; 54. Adjustment slider; 55. Adjustment slide rail; 56. Limiting piece; 57. Assembly seat; 58. Force sensor ; 71. Shell; 72. Adjustment bracket; 73. Adjustment device; 531. Assembly part; 532. First assembly area; 533. Second assembly area; 534. Limit block; 535. Adjustment slot; 561. First limit part; 562. Second limit part; 563. Connecting part; 571. Assembly space; 572. Assembly opening; 573. Limiting notch; 574. First limit area; 575. Second limit area; 576. Limiting entrance; 581. Positioning block; 721. Adjustment base; 722. Vertical adjustment rod; 723. First horizontal adjustment rod; 724. Second horizontal adjustment rod. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments are only specific descriptions of the present invention, and their purpose is to allow those skilled in the art to better understand the technical solutions of the present invention, and should not be regarded as limitations of the present invention.

[0036] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0038] like Figure 1-18As shown, the present invention discloses an intelligent anti-fall bed, which includes a bed body 1 and a guardrail 2; the bed body 1 includes a bed board 11 and a backrest 12, the backrest 12 is arranged at the head of the bed board 11, and the guardrail 2 is foldably arranged on both sides of the bed board 11; the intelligent anti-fall bed also includes a main control module, a driving module 3 for driving the guardrail 2 to fold and unfold, and a detection module 4 for detecting human posture; the detection module 4 includes a trunk detection component 5 and an edge detection component 6; the trunk detection component 5 includes a chest sensor device 51 and a hip sensor device 52, both of which are arranged on the bed board 11 and are distributed corresponding to the positions of the chest and hips of the human body; the edge detection component 6 is arranged on the backrest 12 and is distributed corresponding to the left and right edges of the bed board 11; the trunk detection component 5 includes a chest sensor device 51 and a hip sensor device 52, both of which are arranged on the bed board 11 and are distributed corresponding to the positions of the chest and hips of the human body; the edge detection component 6 is arranged on the backrest 12 and is distributed corresponding to the left and right edges of the bed board 11; The chest sensor device 51 and the hip sensor device 52 of the component 5 detect the sleeping posture of the human body on the bed board 11, the edge detection component 6 detects the distance between the human body and the edge of the bed, and the torso detection component 5 and the edge detection component 6 transmit the measured data to the main control module, which determines the falling risk and controls the driving module 3 to drive the guardrail 2 to unfold according to the judgment result, and controls the degree of unfolding; through the coordinated work of the main control module, the driving module 3 and the detection module 4, the posture and position of the human body on the bed can be monitored in real time; when it is detected that the human body is close to the edge of the bed, the main control module will promptly determine the falling risk, and control the driving module 3 to drive the guardrail 2 to unfold, thereby effectively preventing the patient or user from falling out of bed, greatly enhancing the safety of use.

[0039] In the present invention, the torso detection component 5 and the edge detection component 6 in the detection module 4 can accurately monitor the position and posture of the human body on the bed; the torso detection component 5 can sense the position of the human chest, back and buttocks in real time through the setting of the chest sensor device 51 and the buttocks sensor device 52, and transmit the data to the main control module, and the main control module determines the changes in the sleeping posture of the human body through the data; and the edge detection component 6 can detect the distance between the human body and the edge of the bed; and then determine the risk of falling, and provide the user with real-time safety warning; at the same time, the device can also control the driving module 3 to drive the guardrail 2 to expand to different degrees according to the judgment result, so as to provide installation guarantee for the user.

[0040] In the present invention, the guardrail 2 is designed in a foldable manner, which not only provides stable protection when in use, but can also be easily folded up when not needed without taking up additional space; this allows the user to be unrestricted when performing activities in bed without the risk of falling out of bed, thereby improving the user's comfort and enabling the user to have the maximum degree of self-care ability in a safe manner.

[0041] In the present invention, the torso detection component 5 also includes a mounting device, which includes a mounting plate 53; the chest sensor device 51 and the hip sensor device 52 are respectively mounted on the corresponding mounting plate 53, and the mounting plate 53 is adjustably arranged on the bed board 11; through the arrangement of the mounting plate 53, the chest sensor device 51 and the hip sensor device 52 can be adjusted in position according to the actual body data and actual usage of the user or patient, so that the chest sensor device 51 and the hip sensor device 52 can more accurately correspond to the chest, back and buttocks of the human body, so that the sensor device can more accurately capture the posture changes of the human body and improve the accuracy of detection; at the same time, it also enables the device to be targetedly adjusted according to the different body shapes of different people, which not only makes the detection result more accurate to improve the safety performance of the device, but also makes the applicability of the device higher.

[0042] In the present invention, the left and right sides of the bed board 11 are provided with matching parts 13 arranged along the length direction of the bed board 11, and matching grooves 14 arranged along the length direction of the bed board 11 are arranged in the matching parts 13; the mounting plate 53 is located above the bed board 11, and assembly parts 531 are fixed at both ends thereof; the assembly part 531 is detachably matched with the matching groove 14, and is movably located in the matching groove 14; the matching groove 14 is vertically arranged, and its opening is arranged at the top of the matching part 13; the assembly part 531 includes a first assembly area 532 and a second assembly area 533, the first assembly area 532 is connected to the mounting plate 53 and the second assembly area 533, and a bend is arranged between the first assembly area 532 and the second assembly area 533, The second assembly area 533 is set vertically; through the cooperation between the assembly part 531 and the matching groove 14, the mounting plate 53 can be quickly installed to the required position, and at the same time, the mounting plate 53, the chest sensor device 51 and the hip sensor device 52 installed on the mounting plate 53 can be stably adjusted along the length direction of the bed board 11; so that the device can not only be suitable for patients and users of different body shapes, but also can specially set the positions of the chest sensor device 51 and the hip sensor device 52 according to the body shapes of different individuals, so as to improve the accuracy of detection; both the matching groove 14 and the second assembly area 533 are set vertically, which not only makes the cooperation between the two more firm and stable, but also makes the adjustment of the mounting plate 53 more convenient and labor-saving.

[0043] In the present invention, a limiting block 534 is vertically arranged at the bottom of the second assembly area 533; limiting grooves 15 matching the limiting block 534 are evenly distributed at the bottom end of the matching groove 14; the opening of the limiting groove 15 is located at the bottom end surface of the matching groove 14; by setting the limiting block 534 and the limiting groove 15, the mounting plate 53 can be positioned by the cooperation of the two after being adjusted to a suitable position, so that during the detection process, the mounting plate 53 and the chest sensor device 51 and the hip sensor device 52 on the mounting plate 53 will no longer move along the length direction of the bed board 11, so that the detection result of the detection module 4 is more accurate.

[0044] In the present invention, the chest sensor device 51 and the hip sensor device 52 are assembled on the upper surface of the corresponding mounting plate 53; when the bottom end of the limit block 534 abuts against the bottom end surface of the matching groove 14, there is a gap between the lower surface of the mounting plate 53 and the upper surface of the bed board 11; when the limit block 534 is in the limit groove 15, the lower surface of the mounting plate 53 abuts against the upper surface of the bed board 11; thereby, when adjusting the position of the mounting plate 53, damage caused by friction between the mounting plate 53 and the bed board 11 is avoided.

[0045] In the present invention, the mounting plate 53 is provided with adjustment grooves 535 along its length direction, the number of the adjustment grooves 535 is two or more, and the adjustment grooves 535 are parallel to each other and there is a certain gap between them; the mounting device includes an adjustment slider 54 and an adjustment rail 55, the adjustment rail 55 is arranged in the adjustment groove 535 and corresponds to its length direction; the adjustment slider 54 can slidably cooperate with the adjustment rail 55; a single adjustment rail 55 can be provided with multiple adjustment sliders 54; the chest sensor device 51 and the hip sensor device 52 are assembled on the adjustment slider 54 on the corresponding mounting plate 53, and are located on the upper surface of the adjustment slider 54; the thickness from the upper surface to the lower surface of the adjustment slider 54 is less than the depth of the adjustment groove 535, so that the upper surface of the adjustment slider 54 is not exposed from the adjustment groove 535, and can be as close as possible to the upper surface of the adjustment slider 54. It can reduce the influence of the adjustment slider 54 on the comfort of the device, and can also reduce the situation where the slider is affected by the human body and moves significantly; through the setting of the adjustment slot 535, the adjustment slider 54 and the adjustment rail 55, the chest sensor device 51 and the hip sensor device 52 mounted on the adjustment slider 54 can be adjusted along the length direction of the mounting plate 53, that is, the width direction of the bed board 11; combined with the mounting plate 53, it can be adjusted along the length direction of the bed board 11, so that the chest sensor device 51 and the hip sensor device 52 can be accurately adjusted according to actual needs, such as the specific height, body shape or lying habits of the patient or user, to ensure that they can accurately monitor the position of the chest, back and hips, so that the device can more accurately detect the posture of the human body, and determine the degree of danger and the response method according to the posture of the human body.

[0046] In the present invention, the number of adjustment slots 535 is two or more, and a plurality of adjustment sliders 54 can be provided on a single adjustment rail 55; this means that a plurality of chest sensor devices 51 or hip sensor devices 52 can be installed on the same mounting plate 53, and precise spatial distribution can be performed according to actual needs to obtain more detection data, ensuring that they can accurately monitor the positions of the chest, back and hips when the patient is lying down, so that the main control module can determine a more accurate human posture; this helps the device to respond to the patient's movements in a timely manner and prevent safety accidents such as accidental falls.

[0047] In this embodiment, the mounting plate 53 includes a first mounting plate for mounting the chest sensor device 51 and a second mounting plate for mounting the hip sensor device 52, thereby making it easier for people to distinguish and adjust the positions of the sensors.

[0048] In this embodiment, the mounting device further includes a limit member 56, which is detachably mounted on the adjustment rail 55. When the adjustment slider 54 is adjusted to a suitable position on the adjustment rail 55, the limit member 56 is mounted on the adjustment rail 55, and the limit member 56 is abutted against the front and rear ends of the adjustment slider 54, thereby fixing the position of the adjustment slider 54, so that the chest sensor device 51 and the hip sensor device 52 on the adjustment slider 54 can perform detection work in a stable state.

[0049] In this embodiment, the limiting member 56 is made of elastic material, and includes a first limiting portion 561, a second limiting portion 562 and a connecting portion 563; the first limiting portion 561 and the second limiting portion 562 are connected to the connecting portion 563, and there is a gap between the first limiting portion 561 and the second limiting portion 562. When the limiting member 56 is assembled, the adjustment rail 55 is in the gap, and the connecting portion 563 drives the first limiting portion 561 and the second limiting portion 562 to approach and tighten each other, so that the limiting member 56 is assembled on the adjustment rail 55.

[0050] In the present invention, the chest sensing device 51 and the hip sensing device 52 both include a force sensor 58 connected to the main control module, and the force sensor 58 is detachably mounted on the adjustment slider 54, and the real-time posture of the human body is detected by the setting of the force sensor 58; the upper surface of the adjustment slider 54 is fixedly provided with an assembly seat 57, and the assembly seat 57 is provided with an assembly space 571, and the top of the assembly seat 57 is provided with an assembly opening 572, and the force sensor 58 is detachably mounted in the assembly space 571 through the assembly opening 572; the assembly The seat 57, the assembly space 571 and the force sensor 58 are all cylindrical; a limiting notch 573 penetrating the inner and outer surfaces of the assembly seat 57 is provided on the side wall of the assembly seat 57, and the assembly space 571 is communicated with the external space through the limiting notch 573; the limiting notch 573 includes a first limiting area 574 and a second limiting area 575, the first limiting area 574 is vertically arranged corresponding to the axial direction of the assembly seat 57, and the second limiting area 575 is horizontally arranged corresponding to the circumferential direction of the assembly seat 57; the top end of the first limiting area 574 is located on the side wall of the assembly seat 57 The top of the first limiting area 574 is connected to the bottom of the second limiting area 575; a positioning block 581 is provided on the outside of the side wall of the force sensor 58, and a limiting entrance 576 is provided on the top of the side wall of the assembly seat 57. The positioning block 581 enters the first limiting area 574 through the limiting entrance 576, and then the positioning block 581 passes through the first limiting area 574 to reach the second limiting area 575 through the falling and rotation of the force sensor 58; the size of the positioning block 581 corresponds to the width of the first limiting area 574 and the second limiting area 575 The force sensor 58 is detachably assembled in the assembly space 571 through the assembly opening 572. This design makes the installation and disassembly of the sensor device simple and quick, and is convenient for people to assemble a sufficient number of force sensors 58 to the assembly seat 57 of the corresponding adjustment slider 54 according to the user's body shape and sleeping habits. At the same time, the force sensor 58 is effectively limited by the setting of the limiting notch 573, which not only ensures the stability and accuracy of the sensor device during the installation process, but also prevents the sensor device from accidentally falling off due to external force during use.

[0051] In this embodiment, the number of the limiting notches 573 and the limiting entrance 576 are both one, and the number of the corresponding positioning blocks 581 is also one; it is worth noting that in other methods, the number of limiting notches 573, limiting entrances 576 and positioning blocks 581 can be increased according to assembly requirements, thereby improving the assembly strength of the force sensor 58.

[0052] It is worth noting that the thickness from the lower surface of the adjustment slider 54 to the top of the assembly seat 57 is less than or equal to the depth of the adjustment groove 535; the height of the force sensor 58 is slightly higher than the depth of the assembly space 571, and after the force sensor 58 is assembled, its force sensitive element is exposed from the assembly space 571, and the force sensitive element of the force sensor 58 is exposed from the assembly space 571 and also from the adjustment groove 535; thereby, when the device is in use, the assembly seat 57 and the force sensor 58 will not protrude from the bed board 11 by a large area, and while minimizing the impact on the detection effect, the discomfort caused to the human body by the assembly seat 57 and the force sensor 58 when the device is used is reduced as much as possible, thereby improving the comfort of use of the device; the width of the assembly seat 57 is smaller than the width of the adjustment groove 535 to facilitate the user to disassemble and assemble the force sensor 58.

[0053] In this embodiment, the force sensor 58 is connected to the main control module through wireless connection means such as Bluetooth or WiFi, and transmits data; it not only eliminates the wiring trouble and cost increase of wired connection, but also facilitates the detachable matching between the force sensor 58 and the assembly seat 57.

[0054] In the present invention, the edge detection component 6 includes an infrared sensor connected to the main control module, and the infrared sensor is fixed on the backrest 12. The detection path of the infrared sensor corresponds to the left and right edges of the bed board 11, so that it can monitor in real time whether the patient or user on the bed is close to or already at the edge of the bed. Once it is detected that the patient or user is close to the edge of the bed, the main control module can quickly receive the signal and respond.

[0055] Generally, the chest, back and buttocks of the human body are basically in a straight line; when the human body lies flat, each force sensor 58 should measure certain weight data according to the corresponding human body position; when the human body lies on its side, some of the force sensors 58 will not be able to measure the weight data, and some of the force sensors 58 will measure weight data that increases or decreases relative to when the human body lies flat; the main control module determines the posture and position of the human body based on the above principles and the data provided by the infrared sensor of the edge detection component 6, and analyzes the degree of risk.

[0056] In the present invention, an adjustment module 7 is also included, which includes a shell 71, an adjustment bracket 72 and an adjustment device 73; the shell 71 is fixed on the backrest 12, the adjustment bracket 72 is assembled on the shell 71, and the adjustment device 73 is assembled on the adjustment bracket 72 using a display; the display is connected to the main control module, and the user adjusts the switch state of the anti-fall function, the working state of the force sensor 58 and the infrared sensor through the display; at the same time, the trigger threshold for triggering the deployment and deployment degree of the guardrail 2 can also be adjusted through the display; the connection between the display and the main control module enables the user to monitor and adjust the working state of the anti-fall bed in real time, which greatly improves the safety and reliability of the equipment; first, the user can understand the state of the force sensor 58 and the infrared sensor at any time to ensure that they can respond accurately when needed; secondly, by adjusting the deployment threshold of the trigger guardrail 2 through the display, the user can set a more appropriate threshold according to specific circumstances, such as combining the user's age, weight, activity ability and the weight of the bedding on the bed, so that the debugged threshold is more suitable for the user, thereby improving the comfort of use without sacrificing safety.

[0057] Before the user goes to bed and falls asleep, the user, the guardian or the accompanying person can choose to start the anti-fall function of the device on the display, so that the device can work according to the preset threshold value; after the user wakes up, the user, the guardian or the accompanying person can also choose to turn off the anti-fall function of the device on the display, and then the user can move freely.

[0058] In the present invention, the adjustment bracket 72 includes a vertical adjustment part and a horizontal adjustment part; the vertical adjustment part includes an adjustment base 721 and a vertical adjustment rod 722, and the vertical adjustment rod 722 can be vertically telescopically matched with the adjustment base 721; the horizontal adjustment part includes a first horizontal adjustment rod 723 and a second horizontal adjustment rod 724, and the first horizontal adjustment rod 723 and the second horizontal adjustment rod 724 are both telescopic rods; one end of the first horizontal adjustment rod 723 is rotatably connected to the top end of the vertical adjustment rod 722, so that the first horizontal adjustment rod 723 can be rotated and adjusted in the horizontal direction; the other end of the first horizontal adjustment rod 723 is rotatably connected to one end of the second horizontal adjustment rod 724, so that the second horizontal adjustment rod 724 can be rotated and adjusted in the horizontal direction; the display is fixed to the other end of the second horizontal adjustment rod 724; the setting of the adjustment bracket 72 realizes the precise positioning and angle adjustment of the display in three-dimensional space, which not only improves the convenience of user operation, but also ensures that the display can be placed in the best viewing position regardless of the user's height, sitting posture or bed height.

[0059] In the present invention, the guardrail 2 includes a fixed sheet metal 21, a connecting rod 22 and a handrail 23; the fixed sheet metal 21 is fixedly connected to the matching portion 13, the bottom end of the connecting rod 22 is rotatably connected to the fixed sheet metal 21 through a connecting shaft 24, and the handrail 23 is arranged at the top end of the connecting rod 22; the driving module 3 includes a driving motor 31 and a driving cylinder 32; the driving motor 31 is fixed on the matching portion 13, and the cylinder body of the driving cylinder 32 is matched with the motor shaft of the driving motor 31; the motor shaft of the driving motor 31 is horizontally arranged to drive the driving cylinder 32 to rotate, and the driving cylinder 32 is parallel to the matching portion 13 when it is in a horizontal state; a connecting sleeve 25 is slidably provided on the connecting rod 22, and the connecting sleeve 25 is rotatably connected to the piston rod of the driving cylinder 32 through an installation shaft 26; the connecting shaft 24, the mounting shaft 26, and the motor shaft of the driving motor 31 are parallel to each other; the guardrail 2 is composed of a fixed sheet metal 21, a connecting rod 22 and a handrail 23, so that the guardrail 2 has strong flexibility while maintaining a stable structure; the driving module 3 includes a driving motor 31 and a driving cylinder 32. This combined design makes the deployment and folding operations of the guardrail 2 simple and efficient; the driving motor 31 is fixed on the matching part 13, and drives the driving cylinder 32 to rotate through its motor shaft, thereby realizing the deployment and folding of the guardrail 2; a connecting sleeve 25 is slidably provided on the connecting rod 22, and the connecting sleeve 25 is rotatably connected to the piston rod of the driving cylinder 32 through the mounting shaft 26. This design enables the connecting rod 22 to be smoothly deployed and folded under the push of the driving cylinder 32.

[0060] In the present invention, a voice prompt module and a light prompt module are included; the main control module includes a control chip, and the control chip is connected to the detection module 4, the voice prompt module, the light prompt module and the adjustment device 73; a motor interface is provided on the bed body 1, and the motor interface is connected to the control chip, and the drive module 3 is connected to the control chip by connecting to the motor interface; the drive module 3 is connected to the guardrail 2; when the anti-fall function is turned on, the user or medical staff or caregiver pre-sets the trigger threshold of the guardrail 2 through the adjustment device 73 according to the physical condition of the human body, the weight of the bedding, etc.; the torso detection component 5 and the edge detection component 6 of the detection module 4 perform data detection, and transmit the detection data to the control chip, and the control chip combines the data to analyze the user body posture, determines the danger by analyzing the body posture, and then controls the driving module 3 to drive the guardrail 2 to unfold and the degree of unfolding according to the danger, and at the same time, alarms are given through the voice prompt module and the light prompt module; by introducing the voice prompt module and the light prompt module, the intelligent anti-fall bed can promptly remind the user, medical staff or caregiver through the dual prompts of sound and light when potential danger is detected; this multiple prompting method not only enhances the perception of safety, but also improves the response speed in emergency situations, which helps to avoid the occurrence of accidents; the present invention also includes a power supply module, which is connected to the adjustment module 7, the detection module 4, the voice prompt module, the light prompt module and the driving module 3, and provides driving power.

[0061] It is worth noting that the power module can power the adjustment module 7, torso detection component 5, edge detection component 6, voice prompt module, light prompt module and drive module 3 through wired power supply; it can also choose to power the force sensor 58 of the torso detection component 5 and edge detection component 6 with a built-in battery as needed.

[0062] In the present invention, the torso detection component 5 and the edge detection component 6 of the detection module 4 can collect data in real time and transmit the data to the control chip for analysis; the control chip analyzes the user's body posture in combination with the data and determines its dangerousness. This intelligent detection and analysis method enables the smart anti-fall bed to more accurately identify potential dangerous situations, so as to take more appropriate protective measures; through automation and intelligence, the workload of medical staff and caregivers is reduced.

[0063] In some other embodiments, a baffle is further provided at the end of the bed board 11 , and the edge detection component 6 can be provided on the backrest 12 and / or the baffle.

[0064] Through the setting of the detection module 4, the present invention can sense whether there is someone on the bed, and enter the defense state when there is someone on the bed, and start the real-time detection function; the defense state has three automatic identification warning interception modes, as follows: (1) When the main control module determines that the human body is close to the edge of the bed based on the detection data of the torso detection component 5 and the edge detection component 6, the main control module sends out a warning signal; when the human body does not make any further high-risk movements, or only turns over and sideways and then moves back to the center of the bed, the warning signal is lifted.

[0065] (2) When the main control module determines that the human body has a high-risk action of continuously approaching the edge of the bed based on the detection data of the torso detection component 5 and the edge detection component 6, the main control module changes the warning signal into an emergency response signal; when the human body reaches a distance of 30 cm from the edge of the bed, the main control module controls the driving module 3 to drive the guardrail 2 to unfold, so that the guardrail 2 rises 10 cm to be in an intercepting and blocking state; when the human body does not make any further high-risk actions and it is detected that the human body has moved back to the center of the bed, the emergency response signal is released.

[0066] (3) When the main control module determines, based on the detection data of the torso detection component 5 and the edge detection component 6, that the human body is extremely close to the edge of the bed and that the human body has lost its center of gravity and is at high risk of losing its center of gravity and falling out of bed, the main control module sends an emergency response signal to control the drive module 3 to drive the guardrail 2 to immediately deploy and raise the guardrail 2 to the highest point to prevent the user from falling out of bed.

[0067] It is worth noting that other technical solutions of the present invention belong to the prior art and will not be described in detail.

[0068] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the concept of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An intelligent anti-fall bed, comprising a bed body and guardrails; the bed body comprises a bed board and a backrest, the backrest is arranged at the head of the bed board, and the guardrails are foldably arranged on both sides of the bed board; characterized in that: It includes a main control module, a driving module for driving the guardrail to fold and unfold, and a detection module for detecting human posture; The detection module includes a torso detection component and an edge detection component; The torso detection assembly includes a chest sensor device and a hip sensor device, both of which are arranged on the bed board and are arranged corresponding to the position distribution of the chest and hip of the human body; The edge detection component is arranged on the backrest and is arranged corresponding to the left and right edges of the bed board; The chest sensor device and hip sensor device of the torso detection component detect the sleeping position of the human body on the bed board, and the edge detection component detects the distance between the human body and the edge of the bed. The torso detection component and the edge detection component transmit the measured data to the main control module, and the main control module determines the falling risk and controls the driving module to drive the guardrail to unfold according to the judgment result, and controls the degree of unfolding.

2. The intelligent anti-fall bed according to claim 1, characterized in that: The torso detection assembly also includes a mounting device, which includes a mounting plate; the chest sensor device and the hip sensor device are respectively mounted on the corresponding mounting plates, and the mounting plates are adjustable in position and arranged on the bed board.

3. The intelligent anti-fall bed according to claim 2, characterized in that: The left and right sides of the bed board are provided with matching parts arranged along the length direction of the bed board, and matching grooves arranged along the length direction of the bed board are arranged in the matching parts; The mounting plate is located above the bed board, and assembly parts are fixed at both ends of the mounting plate; the assembly part is detachably matched with the matching groove, and is movably located in the matching groove; the matching groove is vertically arranged, and its opening is arranged at the top of the matching part; the assembly part includes a first assembly area and a second assembly area, the first assembly area is connected to the mounting plate and the second assembly area, and a bend is arranged between the first assembly area and the second assembly area, so that the second assembly area is vertically arranged.

4. The intelligent anti-fall bed according to claim 3, characterized in that: A limit block is vertically arranged at the bottom of the second assembly area; and limit grooves matching the limit block are evenly distributed at the bottom of the matching groove; The chest sensor device and the hip sensor device are assembled on the upper surface of the corresponding mounting plate; when the bottom end of the limit block abuts against the bottom end surface of the matching groove, there is a gap between the lower surface of the mounting plate and the upper surface of the bed board; when the limit block is in the limit groove, the lower surface of the mounting plate abuts against the upper surface of the bed board.

5. The intelligent anti-fall bed according to claim 3 or 4, characterized in that: The mounting plate is provided with adjustment grooves along its length direction, the number of the adjustment grooves is two or more, and the adjustment grooves are parallel to each other and there is a certain gap between them; the mounting device includes an adjustment slider and an adjustment rail, the adjustment rail is arranged in the adjustment groove and corresponds to the length direction thereof; the adjustment slider can be slidably matched with the adjustment rail; multiple adjustment sliders can be arranged on a single adjustment rail; The chest sensor device and the hip sensor device are mounted on the adjustment sliders on the corresponding mounting plates and are located on the upper surface of the adjustment sliders; The thickness from the upper surface to the lower surface of the adjusting sliding block is smaller than the depth of the adjusting groove.

6. The intelligent anti-fall bed according to claim 5, characterized in that: The chest sensing device and the hip sensing device both include a force sensor connected to the main control module, and the force sensor is detachably mounted on the adjustment slider; An assembly seat is fixedly provided on the upper surface of the adjustment slider, an assembly space is provided in the assembly seat, an assembly opening is provided on the top of the assembly seat, and the force sensor is detachably assembled in the assembly space through the assembly opening; the assembly seat, the assembly space and the force sensor are all cylindrical; The side wall of the assembly seat is provided with a limiting notch penetrating the inner and outer surfaces thereof, and the assembly space is communicated with the external space through the limiting notch; the limiting notch includes a first limiting area and a second limiting area, the first limiting area is vertically arranged corresponding to the axial direction of the assembly seat, and the second limiting area is horizontally arranged corresponding to the circumferential direction of the assembly seat; the top end of the first limiting area is at the top end of the side wall of the assembly seat, and the bottom end of the first limiting area is communicated with the second limiting area; A positioning block is arranged outside the side wall of the force sensor, and a limiting entrance is arranged at the top end of the side wall of the assembly seat. The positioning block enters the first limiting area through the limiting entrance and reaches the second limiting area through the first limiting area; the size of the positioning block corresponds to the width of the first limiting area and the second limiting area; The thickness from the lower surface of the adjustment slider to the top of the assembly seat is less than or equal to the depth of the adjustment groove; the height of the force sensor is slightly higher than the depth of the assembly space, and after the force sensor is assembled, its force sensitive element is exposed from the assembly space, and the force sensitive element of the force sensor is exposed from the assembly space and also from the adjustment groove.

7. The intelligent anti-fall bed according to claim 6, characterized in that: The edge detection component includes an infrared sensor connected to the main control module. The infrared sensor is fixed on the backrest, and the detection path of the infrared sensor corresponds to the left and right edges of the bed board.

8. The intelligent anti-fall bed according to claim 6 or 7, characterized in that: It also includes an adjustment module, which includes a shell, an adjustment bracket and an adjustment device; the shell is fixed on the backrest, the adjustment bracket is assembled on the shell, and the adjustment device is assembled on the adjustment bracket using a display; the display is connected to the main control module, and the user adjusts the switch state of the anti-fall function, the working state of the force sensor and the infrared sensor through the display; at the same time, the trigger threshold for triggering the guardrail to be deployed and the deployment degree can also be adjusted through the display; The adjustment bracket includes a vertical adjustment part and a horizontal adjustment part; the vertical adjustment part includes an adjustment base and a vertical adjustment rod, and the vertical adjustment rod can be vertically telescopic to cooperate with the adjustment base; the horizontal adjustment part includes a first horizontal adjustment rod and a second horizontal adjustment rod, and the first horizontal adjustment rod and the second horizontal adjustment rod are both telescopic rods; one end of the first horizontal adjustment rod is rotatably connected to the top end of the vertical adjustment rod, so that the first horizontal adjustment rod can be rotated and adjusted in the horizontal direction; the other end of the first horizontal adjustment rod is rotatably connected to one end of the second horizontal adjustment rod, so that the second horizontal adjustment rod can be rotated and adjusted in the horizontal direction; the display is fixed to the other end of the second horizontal adjustment rod.

9. The intelligent anti-fall bed according to claim 3, characterized in that: The guardrail includes a fixed sheet metal, a connecting rod and a handrail; the fixed sheet metal is fixedly connected to the matching portion, the bottom end of the connecting rod is rotatably connected to the fixed sheet metal through a connecting shaft, and the handrail is arranged at the top end of the connecting rod; The driving module includes a driving motor and a driving cylinder; the driving motor is fixed on the matching part, and the cylinder body of the driving cylinder matches with the motor shaft of the driving motor; the motor shaft of the driving motor is horizontally arranged to drive the driving cylinder to rotate, and the driving cylinder is parallel to the matching part when it is in a horizontal state; the slidable sleeve on the connecting rod is provided with a connecting sleeve, and the connecting sleeve is rotatably connected to the piston rod of the driving cylinder through the mounting shaft; the connecting shaft, the mounting shaft and the motor shaft of the driving motor are parallel to each other.

10. The intelligent anti-fall bed according to claim 8, characterized in that: It includes a voice prompt module and a light prompt module; the main control module includes a control chip, and the control chip is connected to the detection module, the voice prompt module, the light prompt module and the adjustment device; the bed body is provided with a motor interface, the motor interface is connected to the control chip, and the drive module is connected to the motor interface and then connected to the control chip; the drive module is connected to the guardrail; When the anti-fall function is turned on, the user or medical staff or caregiver pre-sets the trigger threshold of the guardrail through the adjustment device according to the physical condition of the human body and the weight of the bedding; the torso detection component and the edge detection component of the detection module perform data detection and transmit the detection data to the control chip, which analyzes the user's body posture in combination with the data, determines the danger based on the analyzed body posture, and then controls the driving module to drive the guardrail to unfold according to the danger, and at the same time issues an alarm through the voice prompt module and the light prompt module; It also includes a power supply module, which is connected to the adjustment module, the detection module, the voice prompt module, the light prompt module and the driving module, and provides driving power.

Images