Intelligent auxiliary lifting type old-age-aiding standing-up chair

Abstract

The invention discloses an intelligent auxiliary lifting type old-age-assisting standing chair, and relates to the technical field of old-age nursing auxiliary equipment. The intelligent seat comprises a seat body, a high-precision sensor array, an intelligent microprocessor, a multi-degree-of-freedom lifting mechanism, an intelligent learning algorithm module, a safety protection device and a human-computer interaction interface. The seat body comprises a cushion and a bottom frame, and two front supporting legs and two rear supporting legs are fixedly arranged on the lower surface of the cushion; the weight distribution, the sitting posture and the body movement range of a user are monitored in real time through the high-precision sensor array, the technical effect of accurately sensing the body state of the user is achieved, and reliable data support is provided for self-adaptive lifting control; the intelligent microprocessor is used for analyzing sensor data and automatically adjusting the lifting speed and angle, the technical effect of carrying out personalized lifting adjustment according to the real-time body state of a user is achieved, and the comfort and safety of the user are remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of elderly care auxiliary equipment, and in particular to an intelligent auxiliary lifting chair for elderly people to sit up. Background Art

[0002] With the increasing aging of the population, the daily living care of the elderly has become the focus of social attention;

[0003] However, existing elderly-assisting sitting chairs mostly adopt simple mechanical structures and relatively single functions, which cannot meet the diverse needs of the elderly.

[0004] For example, traditional elderly-assistance chairs only offer fixed lift functions and lack intelligent control and personalized adjustment mechanisms. In actual use, the physical conditions and needs of the elderly vary, and fixed lift modes may not meet their comfort and safety needs. In addition, existing products suffer from problems such as insufficient stability and complex operation during use, failing to provide a safe and convenient user experience for the elderly.

[0005] In response to the above problems, the inventors proposed an intelligent auxiliary lifting chair for the elderly to solve the above problems. Summary of the Invention

[0006] In order to solve the problem that the lifting function of existing elderly-assisting sitting chairs is fixed and cannot be personalized according to the user's physical condition and needs, resulting in a poor user experience and certain safety hazards; the purpose of the present invention is to provide an intelligent auxiliary lifting chair for the elderly.

[0007] To solve the above technical problems, the present invention adopts the following technical solutions: an intelligent auxiliary lifting chair for the elderly, comprising a seat body, a high-precision sensor array, an intelligent microprocessor, a multi-degree-of-freedom lifting mechanism, an intelligent learning algorithm module, a safety protection device, and a human-computer interaction interface;

[0008] The seat body includes a seat cushion and a bottom frame, wherein two front support legs and two rear support legs are fixedly provided on the lower surface of the seat cushion, and two front support frames and two rear support frames are fixedly provided on the upper surface of the bottom frame, wherein the front support legs are slidably provided in the front support frames, and the rear support legs are slidably provided in the rear support frames, and two armrests and a backrest are fixedly provided on the upper surface of the seat cushion;

[0009] The high-precision sensor array is used to monitor the user's weight distribution, sitting posture and body movement range in real time;

[0010] The intelligent microprocessor is connected to the high-precision sensor array, and is used to receive data from the high-precision sensor array and analyze the user's physical condition, and automatically adjust the lifting speed and angle of the seat body according to the analysis results;

[0011] The multi-degree-of-freedom lifting mechanism is used to achieve smooth lifting and lowering of the seat body, and to adjust the balance of the seat body in real time during the lifting process through dynamic balance adjustment technology;

[0012] The intelligent learning algorithm module is set in the intelligent microprocessor to optimize the lifting parameters according to the user's long-term usage habits and provide a personalized usage experience;

[0013] The safety protection device is used to ensure the safety of the user in emergency situations;

[0014] The human-computer interaction interface is used to display current lifting parameters and health monitoring data, and allows the user or guardian to make manual adjustments.

[0015] Preferably, the high-precision sensor array includes a pressure sensor, a posture sensor and an infrared sensor;

[0016] The pressure sensor is installed on the surface of the seat body to monitor the user's weight distribution and center of gravity position. The posture sensor is installed on the backrest and armrest of the seat body to monitor the user's sitting posture. The infrared sensor is installed around the seat body to monitor the user's body activity range.

[0017] Preferably, the multi-degree-of-freedom lifting mechanism includes a U-shaped seat, two U-shaped seats are provided, and the U-shaped seats are fixedly arranged on the upper surface of the base frame, and a No. 1 lifting frame is hingedly installed in the U-shaped seat, and one end of the No. 1 lifting frame is rotatably installed with a rotating shaft, and two No. 2 lifting frames are hingedly installed on the lower surface of the seat cushion, and one end of the No. 2 lifting frame is rotatably installed on the rotating shaft, and the middle parts of the two rear support frames are both rotatably installed with a screw, one end of the screw is threadedly connected to the fixed block on the rotating shaft, a servo motor is fixedly arranged at the middle part of one of the rear support frames, and the driving output end of the servo motor is fixedly connected to the other end of one of the screws, and one end of the two screws is fixedly provided with a transmission sprocket, and a chain is installed for transmission between the two transmission sprockets.

[0018] Preferably, the intelligent learning algorithm module automatically optimizes the lifting parameters according to the user's long-term usage habits, for example, adjusting the lifting speed according to the user's habits when getting up, so as to provide a personalized experience that better meets the user's needs.

[0019] Preferably, the safety protection device includes an emergency stop button and an overload protection module;

[0020] The emergency stop button is used to immediately cut off the power supply in an emergency to ensure the safety of the user;

[0021] The overload protection module is used to monitor the current of the servo motor in real time to prevent equipment damage and safety accidents caused by overload.

[0022] Preferably, the seat body further comprises universal wheels, a plurality of the universal wheels are provided, and the universal wheels are assembled on the lower surface of the base frame.

[0023] Preferably, the human-computer interaction interface includes a power converter, a single-chip microcomputer, a driver and an operation panel, wherein the power converter, the single-chip microcomputer and the driver are mounted on the upper surface of the chassis, and the operation panel is mounted on one end of one of the armrests;

[0024] The power converter is electrically connected to the single chip microcomputer and the driver, the operation panel is signal-connected to the single chip microcomputer, the single chip microcomputer is signal-connected to the driver, and the driver is signal-connected to the servo motor.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The present invention uses a high-precision sensor array to monitor the user's weight distribution, sitting posture, and range of motion in real time, achieving the technical effect of accurately sensing the user's physical condition and providing reliable data support for adaptive lifting control;

[0027] 2. The present invention uses an intelligent microprocessor to analyze sensor data and automatically adjust the lifting speed and angle, achieving the technical effect of personalized lifting adjustment based on the user's real-time physical condition, significantly improving the user's comfort and safety;

[0028] 3. This invention uses a multi-degree-of-freedom lifting mechanism and dynamic balance adjustment technology to adjust the seat balance in real time during the lifting process, achieving the technical effect of preventing instability caused by center of gravity shift. It is particularly suitable for users with large body center of gravity fluctuations.

[0029] 4. The present invention uses an intelligent learning algorithm to optimize the lifting parameters according to the user's long-term usage habits, achieving the technical effect of providing a continuously optimized personalized usage experience, enabling the device to better adapt to the needs of different users;

[0030] 5. The present invention achieves the technical effect of ensuring user safety in emergency situations, improving equipment reliability and safety, and reducing accidents caused by equipment failure or improper operation through the emergency stop button and overload protection module, as well as the intelligent fault diagnosis function. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 This is a schematic diagram of the overall structure of the intelligent auxiliary lifting elderly sitting chair of the present invention.

[0033] Figure 2 Schematic diagram of the sensor layout and lifting mechanism of the present invention.

[0034] Figure 3 This is a flow chart of the intelligent learning algorithm of the present invention.

[0035] Figure 4 This is a safety protection flow chart of the present invention.

[0036] Figure 5 It is a structural schematic diagram of the seat body of the present invention.

[0037] Figure 6 FIG. 2 is another structural schematic diagram of the seat body of the present invention.

[0038] Figure 7 This is a schematic diagram of the connection between the multi-degree-of-freedom lifting mechanism and the seat cushion of the present invention.

[0039] In the figure: 1. Seat cushion; 11. Front support leg; 12. Rear support leg; 13. Armrest; 14. Backrest; 2. Base frame; 21. Front support frame; 22. Rear support frame; 23. Universal wheel; 3. Multi-degree-of-freedom lifting mechanism; 31. U-shaped seat; 32. Lifting frame No. 1; 33. Rotating shaft; 34. Lifting frame No. 2; 35. Screw; 36. Servo motor; 37. Drive sprocket; 38. Chain; 4. Human-computer interaction interface; 41. Power converter; 42. Single-chip microcomputer; 43. Driver; 44. Operation panel. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] Example 1:

[0042] like Figures 1 to 7As shown, the present invention provides an intelligent auxiliary lifting chair for the elderly, which includes a seat body, a high-precision sensor array, an intelligent microprocessor, a multi-degree-of-freedom lifting mechanism 3, an intelligent learning algorithm module, a safety protection device and a human-computer interaction interface 4.

[0043] The seat body includes a seat cushion 1, a base frame 2 and universal wheels 23. Two front support legs 11 and two rear support legs 12 are fixedly provided on the lower surface of the seat cushion 1. Two front support frames 21 and two rear support frames 22 are fixedly provided on the upper surface of the base frame 2. The front support legs 11 are slidably provided in the front support frames 21, and the rear support legs 12 are slidably provided in the rear support frames 22. Two armrests 13 and a backrest 14 are fixedly provided on the upper surface of the seat cushion 1. A plurality of universal wheels 23 are provided, and the universal wheels 23 are assembled on the lower surface of the base frame 2.

[0044] The high-precision sensor array includes a pressure sensor, a posture sensor, and an infrared sensor. The pressure sensor is a piezoresistive sensor installed on the surface of the seat body to monitor the user's weight distribution and center of gravity. The posture sensor is an inertial measurement unit (IMU) sensor installed on the backrest 14 and armrest 13 of the seat body to monitor the user's sitting posture. The infrared sensor is a passive infrared sensor installed around the seat body to monitor the user's body movement range. The high-precision sensor array monitors the user's weight distribution, sitting posture, and body movement range in real time, and can accurately perceive the user's physical condition.

[0045] The intelligent microprocessor uses an ARM Cortex-A9 dual-core processor with a main frequency of 1GHz. It is connected to a high-precision sensor array to receive sensor data and analyze the user's physical condition. It automatically adjusts the lifting speed based on the analysis results, realizing personalized lifting adjustment based on the user's real-time physical condition. The intelligent microprocessor also has intelligent fault diagnosis function, which can monitor the working status of key components such as servo motor 36 and transmission mechanism in real time. Once an abnormality is detected, an alarm will be immediately issued and operation will be stopped.

[0046] The multi-degree-of-freedom lifting mechanism 3 includes a U-shaped seat 31, two U-shaped seats 31 are provided, and the U-shaped seats 31 are fixedly arranged on the upper surface of the base frame 2. A No. 1 lifting frame 32 is hingedly installed in the U-shaped seat 31, and one end of the No. 1 lifting frame 32 is rotatably installed with a rotating shaft 33. Two No. 2 lifting frames 34 are hingedly installed on the lower surface of the seat cushion 1, and one end of the No. 2 lifting frame 34 is rotatably installed on the rotating shaft 33. A lead screw 35 is rotatably installed in the middle of the two rear support frames 22, and one end of the lead screw 35 is threadedly connected to the fixed block on the rotating shaft 33. A servo motor 36 is fixedly provided in the middle of one of the rear support frames 22, and a drive output end of the servo motor 36 is fixedly connected to the other end of one of the lead screws 35. A transmission sprocket 37 is fixedly provided at one end of the two lead screws 35, and a chain 38 is installed for transmission between the two transmission sprockets 37;

[0047] The multi-degree-of-freedom lifting mechanism 3 is driven by two 24V DC servo motors 36 to achieve smooth lifting and lowering of the seat cushion 1. During the lifting process, dynamic balance adjustment technology is used to adjust the balance of the seat cushion 1 in real time to prevent instability caused by center of gravity shift. It is particularly suitable for users with large body center of gravity fluctuations. The intelligent learning algorithm module is built into the intelligent microprocessor and uses an algorithm based on deep reinforcement learning to automatically optimize the lifting parameters according to the user's long-term usage habits. For example, the lifting speed and angle are adjusted according to the user's habits when getting up, providing a more personalized experience that meets the user's needs.

[0048] The human-machine interface 4 includes a power converter 41, a single-chip microcomputer 42, a driver 43, and an operation panel 44. The power converter 41, the single-chip microcomputer 42, and the driver 43 are assembled on the upper surface of the base frame 2, and the operation panel 44 is assembled at one end of one of the armrests 13;

[0049] The power converter 41 is electrically connected to the single-chip microcomputer 42 and the driver 43 , the operation panel 44 is signal-connected to the single-chip microcomputer 42 , the single-chip microcomputer 42 is signal-connected to the driver 43 , and the driver 43 is signal-connected to the servo motor 36 ;

[0050] The safety protection device includes an emergency stop button and an overload protection module. The emergency stop button is a large red button installed on the armrest 13. It is used to immediately cut off the power supply in an emergency to ensure the safety of the user. The overload protection module monitors the load condition in real time by detecting the current of the servo motor 36. When the current exceeds the set threshold, the power supply is immediately cut off to prevent equipment damage or safety accidents caused by overload. In addition, the intelligent assisted lifting and assisting elderly sitting chair also includes a 7-inch LCD operation panel 44, which is used to display the current lifting parameters, the user's health monitoring data and fault diagnosis information, and allows the user or guardian to make manual adjustments through the touch screen. The bottom of the intelligent assisted lifting and assisting elderly sitting chair is equipped with four 7-inch universal wheels 23 (universal wheels 23 are equipped with a brake system) to facilitate movement and fixation, thereby improving the flexibility and applicability of the equipment.

[0051] Example 2:

[0052] like Figures 1 to 7 As shown, the present invention provides an intelligent auxiliary lifting chair for elderly people to sit up and sit down, including a seat body, a high-precision sensor array, an intelligent control system, a multi-degree-of-freedom lifting mechanism 3, a safety protection device and a power supply system. The seat body is welded by steel pipes, and a high molecular polymer foam material is used as the seat cushion 1 and the backrest 14, which is lightweight and durable.

[0053] A high-precision sensor array is embedded in the seat body and includes a pressure sensor array, a posture sensor, and an infrared array sensor. The pressure sensor array consists of 16 piezoresistive sensors evenly distributed on the surface of the seat cushion 1 to monitor the user's weight distribution and center of gravity. The posture sensor uses a 9-axis posture sensor module installed on the top of the backrest 14 to monitor the user's sitting posture. The infrared array sensor consists of 8 passive infrared sensors installed around the seat body to monitor the user's body movement range.

[0054] The intelligent control system consists of an intelligent microprocessor, memory, and communication module. The intelligent microprocessor uses a quad-core ARM Cortex-A53 processor with a main frequency of 1.5GHz. It is connected to a high-precision sensor array to receive sensor data and analyze the user's physical condition. It automatically adjusts the lifting speed based on the analysis results, realizing personalized lifting adjustment based on the user's real-time physical condition. The memory uses a 16GB eMMC storage chip to store the operating system, intelligent learning algorithm module, and usage data. The communication module uses a WiFi and Bluetooth dual-mode communication chip to connect to mobile phone apps or other smart devices. The intelligent microprocessor also has intelligent fault diagnosis functions, which can monitor the working status of key components such as motors and transmission mechanisms in real time. Once an abnormality is detected, an alarm will be immediately issued and the operation will be stopped.

[0055] The multi-degree-of-freedom lifting mechanism 3 is driven by two 36V brushless DC servo motors 36 to achieve smooth lifting and lowering of the seat cushion 1. During the lifting process, dynamic balance adjustment technology is used to adjust the balance of the seat cushion 1 in real time to prevent instability caused by center of gravity shift. It is particularly suitable for users with large changes in body center of gravity. The intelligent learning algorithm module is built into the intelligent microprocessor and uses an algorithm based on deep convolutional neural networks to automatically optimize the lifting parameters based on the user's long-term usage habits. For example, the lifting speed is adjusted according to the user's habit of getting up, providing a more personalized experience that meets the user's needs.

[0056] The safety protection device includes an emergency stop button, an overload protection module and an anti-pinch protection device. The emergency stop button is a large red mushroom-shaped button installed at the armrest 13. It is used to immediately cut off the power supply in an emergency to ensure user safety. The overload protection module monitors the load condition in real time by detecting the current of the servo motor 36. When the current exceeds the set threshold, it immediately cuts off the power supply to prevent equipment damage or safety accidents caused by overload. The anti-pinch protection device consists of an infrared beam sensor installed at the edge of the seat. It can detect foreign objects being caught and immediately stop the lifting movement to avoid pinching accidents.

[0057] The power supply system uses a 24V / 20Ah lithium battery pack, which has the advantages of long cycle life and no maintenance. At the same time, the power supply system also includes an AC power adapter, which can charge the battery pack through the mains.

[0058] Example 3:

[0059] like Figures 1 to 7 As shown, the present invention provides an intelligent auxiliary lifting chair for the elderly, which includes a seat body, a high-precision sensor system, an intelligent control unit, a multi-degree-of-freedom lifting mechanism 3, a safety protection system, a human-computer interaction interface 4, and a power module. The seat body adopts an aluminum alloy frame structure, and the seat cushion 1 and backrest 14 are filled with high-density memory foam, which has good support and comfort.

[0060] A high-precision sensor system is embedded within the seat, comprising a pressure sensor array, a posture sensor module, and an infrared detection module. The pressure sensor array consists of 25 piezoresistive sensors evenly distributed across the surface of the seat cushion 1 to monitor the user's weight distribution and center of gravity. The posture sensor module integrates a three-axis accelerometer, a three-axis gyroscope, and a three-axis magnetometer, mounted on top of the backrest 14 to accurately monitor the user's sitting posture. The infrared detection module consists of 12 passive infrared sensors, mounted around the perimeter of the seat to monitor the user's range of motion.

[0061] The intelligent control unit consists of a high-performance processor, memory, and communication module. The high-performance processor uses an octa-core ARM Cortex-A76 processor with a main frequency of 2.4GHz. It is connected to a high-precision sensor system to receive sensor data and analyze the user's physical condition. It automatically adjusts the lifting speed based on the analysis results, realizing personalized lifting and lowering adjustment according to the user's real-time physical condition. The memory uses a 32GB eMMC storage chip and 4GB DDR4 memory to store the operating system, intelligent learning algorithm module, and usage data; the communication module uses a WiFi 6 and Bluetooth 5.0 dual-mode communication chip for connecting to mobile phone apps or other smart devices; the intelligent control unit also has an intelligent fault diagnosis function, which can monitor the working status of key components such as the servo motor 36, transmission mechanism, and control circuit in real time. Once an abnormality is detected, an alarm will be immediately issued and the operation will be stopped.

[0062] The multi-degree-of-freedom lifting mechanism 3 is driven by two 200W brushless DC servo motors 36 to achieve smooth lifting and lowering of the seat body. During the lifting process, the dynamic balance adjustment technology is used to adjust the balance of the seat cushion 1 in real time to prevent instability caused by center of gravity shift. It is particularly suitable for users with large changes in body center of gravity.

[0063] The intelligent learning algorithm module is built into the intelligent control unit and uses a deep reinforcement learning-based algorithm to automatically optimize lifting parameters based on the user's long-term usage habits. For example, it adjusts the lifting speed and torque output based on the user's habits when getting up, providing a more personalized experience that meets the user's needs.

[0064] The safety protection system includes an emergency stop button, an overload protection module, an anti-pinch protection device and a tilt protection module. The emergency stop button is a large red mushroom-head button installed on the armrest 13. It is used to immediately cut off the power supply in an emergency to ensure the safety of the user. The overload protection module monitors the load condition in real time by detecting the current of the servo motor 36. When the current exceeds the set threshold, the power is immediately cut off to prevent equipment damage or safety accidents caused by overload. The anti-pinch protection device is composed of an infrared beam sensor installed on the edge of the seat. It can detect foreign objects being clamped, thereby immediately stopping the lifting movement to avoid pinching accidents. The tilt protection module is composed of a tilt sensor. When it detects that the seat tilt angle exceeds the set threshold, it immediately locks the lifting mechanism to prevent falling accidents caused by tilting. The operation panel 44 uses a 10.1-inch capacitive touch screen to display the current lifting parameters, the user's health monitoring data, fault diagnosis information and operation menu. The user or guardian can manually adjust the lifting parameters, view usage records, set personalized preferences, etc. through the touch screen. The power module uses a 36V / 30Ah lithium battery pack, which has the advantages of long cycle life and no maintenance. At the same time, the power module also includes an AC power adapter, which can charge the battery pack through the mains. In addition, the power module also integrates a solar charging system, which can use solar energy to replenish the battery pack when used outdoors, improving the convenience of use.

[0065] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. An intelligent auxiliary lifting chair for the elderly, characterized by: The elderly-assisting sitting chair comprises a seat body, a high-precision sensor array, an intelligent microprocessor, a multi-degree-of-freedom lifting mechanism (3), an intelligent learning algorithm module, a safety protection device and a human-computer interaction interface (4); The seat body comprises a seat cushion (1) and a base frame (2); two front support legs (11) and two rear support legs (12) are fixedly provided on the lower surface of the seat cushion (1); two front support frames (21) and two rear support frames (22) are fixedly provided on the upper surface of the base frame (2); the front support legs (11) are slidably provided in the front support frames (21); the rear support legs (12) are slidably provided in the rear support frames (22); and two armrests (13) and a backrest (14) are fixedly provided on the upper surface of the seat cushion (1); The high-precision sensor array is used to monitor the user's weight distribution, sitting posture and body movement range in real time; The intelligent microprocessor is connected to the high-precision sensor array, and is used to receive data from the high-precision sensor array and analyze the user's physical condition, and automatically adjust the lifting speed and angle of the seat body according to the analysis results; The multi-degree-of-freedom lifting mechanism (3) is used to achieve smooth lifting of the seat body, and to adjust the balance of the seat body in real time during the lifting process through dynamic balance adjustment technology; The intelligent learning algorithm module is set in the intelligent microprocessor to optimize the lifting parameters according to the user's long-term usage habits and provide a personalized usage experience; The safety protection device is used to ensure the safety of the user in emergency situations; The human-machine interaction interface (4) is used to display current lifting parameters and health monitoring data, and allows the user or guardian to make manual adjustments.

2. The intelligent auxiliary lifting elderly sitting chair according to claim 1, characterized in that: The high-precision sensor array includes a pressure sensor, a posture sensor and an infrared sensor; The pressure sensor is installed on the surface of the seat body to monitor the user's weight distribution and center of gravity position, the posture sensor is installed on the backrest (14) and armrest (13) of the seat body to monitor the user's sitting posture, and the infrared sensor is installed around the seat body to monitor the user's body movement range.

3. The intelligent auxiliary lifting elderly sitting chair according to claim 1, characterized in that: The multi-degree-of-freedom lifting mechanism (3) comprises a U-shaped seat (31), two U-shaped seats (31) are provided, the U-shaped seats (31) are fixedly provided on the upper surface of the base frame (2), a first lifting frame (32) is hingedly installed in the U-shaped seat (31), one end of the first lifting frame (32) is rotatably installed with a rotating shaft (33), two second lifting frames (34) are hingedly installed on the lower surface of the seat cushion (1), one end of the second lifting frame (34) is rotatably installed on the rotating shaft (33), and the two rear A lead screw (35) is rotatably mounted in the middle of each support frame (22), one end of each lead screw (35) is rotatably connected to a fixed block on a rotating shaft (33) by threaded connection, a servo motor (36) is fixedly mounted in the middle of one of the rear support frames (22), a drive output end of each servo motor (36) is fixedly connected to the other end of one of the lead screws (35), one end of each of the two lead screws (35) is fixedly mounted with a transmission sprocket (37), and a chain (38) is installed between the two transmission sprockets (37) for transmission.

4. The intelligent auxiliary lifting elderly sitting chair according to claim 1, characterized in that: The intelligent learning algorithm module automatically optimizes the lifting parameters according to the user's long-term usage habits.

5. The intelligent auxiliary lifting elderly sitting chair as claimed in claim 3, characterized in that: The safety protection device includes an emergency stop button and an overload protection module; The emergency stop button is used to immediately cut off the power supply in an emergency to ensure the safety of the user; The overload protection module is used to monitor the current of the servo motor (36) in real time to prevent equipment damage and safety accidents caused by overload.

6. The intelligent auxiliary lifting elderly sitting chair according to claim 1, characterized in that: The seat body further comprises universal wheels (23), a plurality of universal wheels (23) are provided, and the universal wheels (23) are assembled on the lower surface of the base frame (2).

7. The intelligent auxiliary lifting elderly sitting chair according to claim 1, characterized in that: The human-machine interaction interface (4) comprises a power converter (41), a single-chip microcomputer (42), a driver (43) and an operation panel (44); the power converter (41), the single-chip microcomputer (42) and the driver (43) are mounted on the upper surface of the base frame (2); and the operation panel (44) is mounted on one end of one of the armrests (13); The power converter (41) is electrically connected to the single-chip microcomputer (42) and the driver (43), the operation panel (44) is signal-connected to the single-chip microcomputer (42), the single-chip microcomputer (42) is signal-connected to the driver (43), and the driver (43) is signal-connected to the servo motor (36).

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