1231 results about "Sitting posture" patented technology

The invention is suitable for the technical field of fall detection and help calling, and provides a fall detection and help calling method for the elderly at home, and the method comprises the steps: collecting the multi-source health monitoring data of the elderly through a monitoring camera and a sensor, and carrying out the preprocessing based on the collected data; respectively extracting walking posture features, getting-up and sitting-down posture features, daily activity posture features, motion features, acceleration features, gyroscope features and heart rate features of the elderly; inputting the extracted features into a trained abnormal action detection model for action detection; when the old people have abnormal behavior actions, performing multi-dimensional analysis on the abnormal behavior actions of the old people by utilizing a clustering algorithm; and feeding back the analysis result of the abnormal behavior action of the old person in real time according to a preset help calling rule. According to the invention, the aims of comprehensively monitoring the health state of the elderly, timely discovering abnormity, deeply analyzing reasons and quickly responding to rescue can be fulfilled.

The invention provides a physiological mechanism driving and data fusion method and system for sitting posture human body modeling, and relates to the technical field of digital twinning and biomechanics crossing. The method comprises the following steps: mapping human body macroscopic parameters into biomechanical attribute parameters; generating a basic three-dimensional human body grid based on the human body macroscopic parameters; generating a deformed three-dimensional human body grid in combination with the basic three-dimensional human body grid and the human body macroscopic parameters; solving an optimal attitude based on the vehicle geometric parameters, the task scene identifier and the biomechanical attribute parameters; finally, the deformed three-dimensional human body grid and the optimal posture are integrated, the high-fidelity sitting posture digital twinborn body is generated, end-to-end automatic modeling from macroscopic parameters to the digital twinborn body is achieved, and the core problems that the form and the posture are not matched, crowd coverage is insufficient and task adaptability is poor are solved.

An exercise bench apparatus includes a main frame with a height-adjustable back rest and a pair of adjustably connected side pads. The side pads incorporate a unique mechanism involving a solid bar, splined shaft, L-shaped connector, mounting plate, pad rotation plate with holes at set intervals, and a spring-loaded pin system allowing precise upward, downward, and sideways adjustments. Additionally, the apparatus features a resting head pad aligned with the back rest and a pivotally attached sitting pad that adjusts for diverse exercise postures, providing comprehensive support for an enhanced workout experience. A handle on the main frame facilitates bench repositioning. The bench's stability is ensured by a footing mechanism, designed with non-slip materials and multiple feet for even weight distribution and surface protection. This innovative apparatus promises versatile and comfortable exercise configurations.

A deck chair with a seat has two opposite sides and two handrails, each handrail being arranged on one of the two opposite sides of the seat; a back arranged behind the seat and located between the two handrails; a footrest arranged in front of the seat and lower than a height of the seat; wherein, the back is rotatable relative to the seat, and the footrest is movable and is capable of extending back and forth relative to the seat. Various sitting postures and lying postures can be realized by adjusting the footrest and the back, thereby satisfying various needs and greatly expanding applicability.

The present application relates to the field of medical devices, and provides a back plate adjustable exoskeleton, comprising: a column structure and a control module, the column structure is slidably connected with a back plate mechanism, and a lower limb exoskeleton connected with the back plate mechanism, and the back plate mechanism is provided with a back plate which can move up and down relative to the back plate mechanism; further comprising: a binding device arranged on the lower limb exoskeleton and a foot bottom exoskeleton, the foot bottom exoskeleton is provided with a pressure sensor. When the human body wears the exoskeleton and changes from a sitting posture to a standing posture, the back plate mechanism adjusts the back plate mechanism along the column structure to the height matched with the user according to different body shapes of the user; and when the user changes the posture in the walking process in the standing posture, the foot bottom exoskeleton detects the change of the foot bottom pressure, so that the control module can control the up and down movement of the back plate relative to the back plate mechanism according to the foot bottom pressure to adjust the human body posture.

The invention provides a sitting posture detection method and equipment for a segmented seat and a storage medium, and relates to the technical field of sitting posture detection. Comprising the following steps that S1, a seat is provided, and the seat comprises a seat face and a seat back; s2, dividing the chair surface into a plurality of subareas; s3, detecting the pressure of the chair back and the pressure of the chair surface in each subarea; s4, whether the user is in an upright sitting posture or a backrest sitting posture is distinguished according to the chair back pressure; s5, in the upright sitting posture, analyzing whether the sitting posture of the user inclines left and right or forwards or not according to the chair surface pressure by adopting a first strategy; under the backrest sitting posture, a second strategy is adopted to jointly analyze whether the sitting posture of the user is inclined leftwards and rightwards or not according to the chair surface pressure and the chair back pressure; and S6, when the sitting posture is judged to incline leftwards and rightwards and / or forwards, giving an alarm. According to the application, the seat pressure in different subareas is analyzed, and whether a user on the seat tilts left and right or forwards can be judged.

The invention belongs to the technical field of intelligent scooters, provides a dynamic supporting type self-adaptive scooter based on artificial intelligence, and innovatively solves the defects of an existing scooter in the conversion process of a sitting posture and a standing posture by combining an intelligent AI model, a 360-degree somatosensory camera, sensor data and an electroactive polymer supporting system. Through the self-adaptive adjusting function of the AI model, the system can accurately carry out dynamic supporting adjustment in real time according to the posture, pressure and body shape of the user, and comfort, stability and health of each stage are ensured.

1. The name of the product with this design: Posture Correction Cushion (Cartoon Bear Style). 2. Purpose of the product of this design: Used as a seat cushion for correcting sitting posture and protecting the waist. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a seat adjusting method, a user side of a seat is provided with a plurality of air bags, and the adjusting method comprises the following steps: acquiring pressure applied to the plurality of air bags after a user sits on the seat; and the inflation volume of the multiple air bags is adjusted according to the change of the pressure applied to the multiple air bags. According to the adjusting method of the seat, the inflation volume of the air bags is adjusted according to the change of the pressure applied to the multiple air bags, and the supporting effect of the air bags of the seat can be automatically adjusted according to the weight, the sitting posture and the like of the user, so that the most comfortable and healthy sitting posture experience is provided. And adjustment can be carried out according to the real-time physiological state and the sitting posture change of the user, the intelligent and personalized adjustment function is achieved, the comfort of the user is improved, and discomfort of the user caused by long-time use is avoided.

The invention discloses an intelligent teaching management system based on IOP Internet of Things, and relates to the technical field of teaching management, the intelligent teaching management system comprises an object identification terminal, a sitting posture judgment terminal, a teaching management terminal and a voice amplification level module, a three-dimensional numerical value of a student is obtained through a three-dimensional scanner, whether the numerical value of the student corresponding to a serial number is abnormal or not is detected in real time, and the teaching management terminal is started. Through real-time tracking of sitting postures of students and measurement of basic data of the sitting postures, whether the sitting postures of the students are standard or not is judged, the lecture attending states of the students during teaching management are monitored in real time, character conversion is performed on voice answered by the students through the voice conversion module, whether the answered content is correct or not is judged, and the teaching management effect is monitored in real time. According to the intelligent teaching management system based on the IOP internet of things, voice reminding can be carried out on students leaving the designated positions of the seats, the teaching management effect is improved, the students with abnormal sitting postures can be conveniently reminded and corrected, the intelligence of the teaching management system is enhanced, the class attending state of each student can be monitored in real time, and the teaching difficulty is reduced.

The embodiment of the invention provides a sitting posture human spine stability evaluation method and device in a vibration environment. The method comprises the steps of obtaining current human spine sitting posture data; performing curve calculation on the human spine sitting posture data to obtain a corresponding score; and generating a corresponding human spine report based on the score. According to the method, the curve graph corresponding to the spine sitting posture data of the human body is analyzed and calculated, the corresponding human body spine report can be generated in combination with the correlation index between the trunk and the pelvic bone, and the sitting posture human body spine is evaluated according to the report. And the stability of the human body sitting posture spine is calculated and evaluated, so that the detection efficiency and accuracy of the human body spine movement mode and data are improved.

The invention discloses a supervising and prompting device suitable for concentration and body posture of children, and belongs to the technical field of sitting posture supervising and prompting devices. The device comprises a loading base, a transverse moving frame is arranged in one end of the loading base, an adaptive sealing table wrapping the transverse moving frame is arranged at one end of the loading base, and a sliding sleeve piece located above the transverse moving frame is arranged in the center of the top of the adaptive sealing table; the distance between the seat and the table is automatically adjusted by adjusting the air cylinder and the transverse moving frame, the sitting posture is kept controllable, and the correct sitting posture is exercised; an adjustable inflatable waist pillow and a neck pillow are arranged, the body posture is assisted, the sitting posture stability is enhanced through correction straps, a monitoring camera and a pressure and distance measuring sensor are utilized, data are collected in real time and uploaded to the cloud for analysis, intelligent supervision is conducted, abnormal sitting postures are fed back, and when an alarm is given, the safety is ensured through a movable sleeve frame and a pressure-resistant air bag, and the distance measuring and pressure sensor; and forming a protection mechanism.

The invention discloses a spine form prediction method and device for driving digital human model construction, and relates to the field of driving digital human model construction, and the method comprises the steps: obtaining first scanning data when a driver keeps a sitting posture on a seat with a hole in a backrest for three-dimensional scanning; four-limb marking points and a body marking point are arranged on the body of the driver; acquiring second scanning data when the driver keeps the standing posture to perform three-dimensional scanning; acquiring third scanning data when the driver keeps the sitting posture on the driving seat to perform three-dimensional scanning; according to the first scanning data, the second scanning data and the third scanning data, a geometrical shape alignment technology and a coordinate system conversion technology are applied, and the spine form of the driver when the driver keeps the sitting posture on the driving seat is predicted; the spine form can be accurately predicted, and the problem that the spine form cannot be accurately measured due to shielding of a driving seat is solved.

The utility model discloses a backrest assembly which comprises a backrest, a linkage support, a first supporting component and a second supporting component, and the linkage support is located on one side of the backrest and rotationally connected with a base of a seat. One end of the first supporting component is movably connected with the backrest, and the other end of the first supporting component is rotationally connected with the linkage bracket; one end of the second supporting member is rotatably connected with the first supporting member or the backrest, and the other end of the second supporting member is connected with the base. According to the backrest assembly of the seat, when the backrest is subjected to pressure towards the rear side of the seat, the backrest can move relative to the first supporting component, the linkage support and / or the base through movable connection of the first supporting component and the backrest, so that when a user uses the seat, and the back and / or the waist of the user exert force on the backrest to adjust the sitting posture, the user can conveniently adjust the sitting posture. The backrest can adaptively move along with adjustment of the sitting posture of the user so as to be better attached to the back and / or the waist of the user, better supporting is achieved, and the use comfort of the seat is improved.

There is provided a dynamic and proactive system for supporting sitting while detecting and changing sitting postures of a user and method of operation thereof. The system including a frame, a plurality of supports, each configured to support a different body part, and a plurality of joints each configured to move independently of or together with any other of the joints, each of the supports is connected to the frame via a corresponding joint, at least one of the joints is a two dimensional joint which enables a change in angle between the frame and a corresponding support. Each one of the plurality of supports is configured to move with respect to the frame or to another support, thereby enabling any changes in sitting postures of the user. The system comprises sensors, which based on their readings, the system detects user postures and suggests or creates posture changes.

The invention discloses a real-time sitting posture detection method based on a Kalman filtering fusion algorithm. The method comprises the steps that S1, a user sitting posture video stream is collected in real time through a camera; s2, using a MediaPipe attitude estimation framework to extract 33 key point coordinates of a human body in the video stream; s3, smoothing the coordinates of the key points by using a Kalman filtering algorithm to suppress jitter of the key points; s4, calculating a torso bending angle and a cervical vertebra forward inclination angle based on the filtered key point coordinates; s5, jointly judging whether the user is in a humpback state or not according to a preset threshold value, and judging that the user is in a humpback state if any angle exceeds the threshold value; and S6, feeding back the sitting posture state in real time through the interactive interface. According to the invention, a dynamic filtering technology is introduced for optimization through a lightweight Medipe attitude estimation algorithm, and the algorithm is deployed to a common embedded device to realize non-contact mobile human body sitting posture monitoring, so that the problems of low comfort, large measurement error and high time delay are effectively solved.

The invention provides a multifunctional squatting pan for old people. The multifunctional squatting pan comprises a base, a guide seat, a driving assembly and a transmission assembly. The driving assembly is controlled to drive the guiding base to move downwards, so that the sitting plate supports the old people to be converted from the standing posture to the sitting posture and then to the squatting posture, and the driving assembly is controlled to drive the guiding base to move upwards, so that the sitting plate supports the old people to be converted from the squatting posture to the sitting posture and then to the standing posture. Therefore, squatting and standing of the old people during defecation can be assisted conveniently, comfort and safety of the old people during defecation are improved, the old people can be supported through the cushion to change postures from standing postures to sitting postures to squatting postures or from squatting postures to sitting postures to standing postures only by controlling the guide seat to move downwards or upwards, operation is easy and convenient, and practicability is high. When the height of the guide seat is lower than the sitting height, the height of the seat cushion can be adjusted according to the requirements, so that the squatting height can be adjusted, different old people can conveniently use the device, and the practicability of the device is improved.

A skeleton point extraction unit (102) that extracts skeleton points of an occupant based on an image capture, a correct sitting determination unit (104) that determines whether a state of a posture of the occupant is a correct sitting state based on status information about a status of the vehicle or the occupant, a feature calculation unit (105) that determines whether the skeleton points of the occupant extracted by the skeleton point extraction unit (102) are correct sitting skeleton points extracted based on the image capture in which the occupant was recorded in the correct sitting state, and in a case that the skeleton points of the occupant extracted by the skeleton point extraction unit (102) are correct sitting skeleton points, calculates a body structure determination feature based on the information about the correct sitting skeleton points,and a body type determination unit (107) is provided which judges the body type of the occupant based on the body type determination feature.,

The invention relates to the field of seats, and particularly discloses a zero-gravity seat linkage framework which comprises a driving assembly, a linkage structure, a cushion structure, a leg supporting structure and a back supporting frame, the cushion structure comprises a movable base and a fixed base, and the driving assembly drives the movable base to slide on the fixed base in a limited mode; the back supporting frame is rotationally connected with the movable base through a back mounting rod, and the linkage structure can achieve overturning of the leg supporting structure and rotation of the back supporting frame in the moving process of the movable base. By arranging the linkage structure, the single driving assembly can drive the leg supporting structure to be unfolded or folded and drive the back supporting piece to be turned over, so that switching between a normal sitting posture and a zero-gravity sitting posture is achieved, the comfort is better, and due to the fact that the leg supporting structure and the back supporting piece act separately, the sitting posture is more comfortable. Therefore, the stretched leg support structure can be matched with backrests with various angles, a more flexible and personalized lying posture is further obtained, the manufacturing cost and the assembling difficulty are remarkably reduced through the overall structure, and the adaptability is high.

The invention belongs to the technical field of medical rehabilitation, and provides a multi-posture folding rehabilitation bed capable of being switched and adjusted, which comprises a support moving assembly, a pitching mechanism, a bed body lifting assembly, a sitting posture adjusting assembly and an armrest adjusting assembly, and is characterized in that a pitching driving cylinder of the pitching mechanism is connected with a first end of the support moving assembly; the pitching mechanism is located below the bed body lifting assembly, a second connecting frame of the pitching mechanism is connected with a main back beam of the bed body lifting assembly, the main back beam is connected with the second end of the supporting moving assembly, a sitting plate of the sitting posture adjusting assembly is connected with an upper cylinder of the bed body lifting assembly, and a bed foot plate is rotationally connected with the sitting posture adjusting assembly. According to the rehabilitation bed, the base, the first connecting frame, the second connecting frame and the main back beam form a four-rod mechanism, the four-rod mechanism is matched with a spring telescopic rod, the pitching driving cylinder completes turning assistance with a small force arm in a narrow space, and switching of multiple postures of the sitting posture, the lying posture, the standing posture and the prone posture of the rehabilitation bed is achieved.

The invention discloses a spine health monitoring method and monitoring device of an intelligent seat, a storage medium and the intelligent seat, and relates to the technical field of spine monitoring, and the method comprises the following steps: obtaining sitting posture information and physiological information of a target user; determining a humpback index and a lateral bending index based on the sitting posture information, and determining a fatigue index based on the physiological information; determining a health monitoring grade based on the humpback index, the lateral bending index and the fatigue index; and controlling the air pressure of a motor and / or an air bag of the intelligent seat based on the health monitoring grading result. Therefore, according to the method, the air pressure of the motor and the air bag of the intelligent seat is hierarchically controlled based on the humpback index, the lateral bending index and the fatigue index, dynamic intervention of the sitting posture can be realized, and the accuracy of spine health monitoring is improved.

The embodiment of the invention relates to the technical field of sitting posture detection, in particular to a sitting posture detection method, device, equipment and system and a storage medium. The sitting posture detection method is applied to sitting posture detection equipment, the sitting posture detection equipment is installed on a seat, a preset number of pressure sensors are arranged at preset positions of the seat respectively, and the sitting posture detection method comprises the steps that analog signals collected by the pressure sensors are obtained, the analog signals pass through an amplification circuit, a filtering circuit and other analog circuits, and the analog signals are converted into the sitting posture detection equipment; digital signals used for sitting posture detection and identification are obtained after digital-to-analog conversion processing; determining a current sitting posture feature of the to-be-detected object according to the digital signal; and detecting the current sitting posture characteristics based on a sitting posture detection algorithm, and determining abnormal sitting posture information of the to-be-detected object according to a detection result. According to the method, the accuracy and the cost of sitting posture detection and the use convenience of the user can be considered.

The utility model provides a stretching device and a sofa. The stretching device can be arranged in a reciprocating and switchable manner among a sitting posture state, a leisure state and a lying posture state; when the stretching device is in the sitting posture state, the foot rest piece is retracted below the seat frame, and the minimum distance between the highest point of the backrest cushion and a preset vertical plane is equal to zero; when the stretching device is in a leisure state, the foot rest piece stretches to the front of the seat frame and inclines relative to the horizontal direction, and the distance between the highest point of the backrest cushion and a preset vertical plane is larger than zero; when the stretching device is in the lying posture state, the minimum distance between the highest point of the backrest cushion and the preset vertical plane is equal to zero, and the height of the highest point of the foot rest piece relative to the horizontal installation base plane is larger than that of the highest point of the backrest piece relative to the horizontal installation base plane. The utility model solves the problem that the iron stand floor sofa in the prior art cannot meet the requirements of customers on zero wall-leaning arrangement and zero-gravity comfortable experience of the sofa at the same time.

The invention discloses a cognitive load assessment method based on fusion of behavior characteristics and heart rate variability in a classroom video. According to the method, face and behavior videos of students in a real classroom are collected, behavior characteristics such as eye movement tracks, sitting postures and facial expressions of the students are extracted through a computer vision algorithm, heart rate variability indexes are predicted in combination with a remote photoplethysmography technology, and a time sequence characteristic sequence is formed. And then, a time sequence deep learning model is adopted to carry out joint modeling on the multi-modal time sequence characteristics, and the cognitive load scale level is taken as a supervision signal to construct a classification model to realize cognitive load level prediction. The method has the advantages of non-contact, automation, high adaptability and the like, and can be applied to personalized teaching monitoring and intelligent teaching feedback.

The invention discloses a sitting posture detection method, system, equipment and medium in a virtual learning cabin, and belongs to the technical field of man-machine interaction and health monitoring, and the method comprises the steps: collecting pressure values of hip and thigh areas of a user in the learning cabin in real time, constructing a pressure distribution cloud picture of a learning cabin seat, and extracting pressure health parameters; a depth image and an RGB image of a user are collected in real time at multiple angles, and key skeleton points of a human body are recognized through a skeleton recognition algorithm; performing three-dimensional reconstruction on the identified key skeleton points, constructing a three-dimensional skeleton model of the user, and extracting posture health parameters based on the three-dimensional skeleton model; and carrying out data fusion on the pressure distribution cloud picture, the three-dimensional skeleton model, the pressure health parameters and the posture health parameters, constructing a digital twinborn body, and carrying out user sitting posture state evaluation and early warning based on a preset risk level. According to the invention, multi-source sensing data can be realized, and the sitting posture can be accurately evaluated in real time.

The invention belongs to the technical field of medical nursing beds, particularly relates to an elderly nursing bed and method based on a medical health big data sharing platform, and aims to solve the problems that an existing sitting posture is not beneficial to defecation and eating, operation is tedious in the defecation and eating process when a user sits up, and the elderly needs to be supported constantly when the user sits up. A fixed bed plate is fixed in the bed frame, a fixed shaft is fixed in the fixed bed plate, the outer wall of the fixed shaft is rotationally sleeved with a rotary bed plate, and the bed frame, the fixed bed plate and the rotary bed plate form a nursing bed; the sitting posture of the old person can be adjusted according to needs, the old person can have food and relieve the bowels conveniently when sitting up, the supporting plate is automatically pulled to the position in front of the old person when the two legs droop so that the old person can have food conveniently, and in addition, when the old person sits up, the supporting plate can be automatically pulled to the position in front of the old person so that the old person can have food conveniently. The two turnover plates can be driven to rotate to block the two sides of the turnover plates.

The invention belongs to the technical field of sitting posture correcting equipment, and provides a novel sitting posture correcting chair and a sitting posture correcting method.The novel sitting posture correcting chair comprises a chair body, a chair backrest and a cushion are arranged on the chair body; the backrest air bag assembly comprises a plurality of backrest telescopic pieces arranged in the longitudinal direction of the seat backrest, the backrest telescopic pieces are provided with backrest air bags, the backrest telescopic pieces are used for telescopically adjusting the backrest air bags, the backrest air bags are used for supporting the back of a user, and the backrest air bags are provided with air pressure sensors used for detecting the air pressure values of the backrest air bags; the air pump device is connected with the backrest air bag through a pipeline, and the air pump device is used for adjusting the air pressure of the backrest air bag; the seat backrest is provided with a height measuring device used for measuring the heights of the left and right shoulders of a user and the height difference value of the left and right shoulders. The backrest telescopic piece on the seat backrest is correspondingly adjusted according to the shoulder height of a user, so that the support of the seat backrest can be adjusted to a standard support radian. Whether the sitting posture of the user is standard or not is detected through an air pressure sensor of the backrest airbag.

1. The name of this design product: Lumbar support cushion (in the shape of the Chinese character "Fu"). 2. Purpose of this design product: This design product is a lumbar support cushion used to correct sitting posture. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a wall-leaning-free seat frame and a seat. The zero wall-leaning seat frame comprises a base; the movable frame is movably assembled on the base; the first driving mechanism is connected to the movable frame and used for driving the movable frame to move forwards or backwards; the stretching mechanism is assembled on the movable frame and can be switched among a sitting posture state, a TV posture state and a lying posture state. According to the utility model, the movable frame is driven by the first driver to move forwards or backwards, so that the movable frame can drive the stretching mechanism to move forwards or backwards, and therefore, the stretching mechanism can be kept against a wall in any state, interference between the stretching mechanism and the outside is effectively avoided, and the stretching mechanism can be prevented from being damaged. Moreover, the indoor space can be fully utilized, and better use experience is brought to the user.

The invention discloses a self-adaptive waist tracking method, a computer readable storage medium and an intelligent seat, the self-adaptive waist tracking method is used for the intelligent seat, the intelligent seat is provided with a pressure sensor array and a waist support adjusting mechanism, and the method comprises the following steps: acquiring real-time pressure data of a current user collected by the pressure sensor array; extracting pressure characteristic parameters according to the real-time pressure data, and determining the body type category of the current user according to the pressure characteristic parameters by using a pre-trained body type recognition model; determining a current sitting posture type and an initial pressure threshold value of the current user according to the real-time pressure data by utilizing a pre-trained sitting posture recognition model; determining a target pressure threshold value according to the real-time pressure data, the body type category and the initial pressure threshold value; according to the target pressure threshold value, supporting parameters of a waist support adjusting mechanism are adjusted, so that the waist support is matched with the waist state of the user. According to the self-adaptive waist-following method, personalized waist-following adaptation of the user in multiple scenes is realized.