A kind of household portable elbow joint function auxiliary device and control method

By designing portable elbow joint function assistive devices and using synchronization belts, drive motors and multiple sensors for control, the problem of existing rehabilitation function assistive devices being large and unable to adjust the assist in real time is solved, and efficient and convenient rehabilitation training assistance is achieved.

CN113476274BActive Publication Date: 2025-04-15UNIV OF SHANGHAI FOR SCI & TECH +1
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Patent Information

Application Number
CN202110908302.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-08-09
Publication Date
2025-04-15
Estimated Expiration
2041-08-09

AI Technical Summary

Technical Problem

The existing rehabilitation function assistive devices are large in specific areas and cannot be adjusted in real time according to the conditions of different patients, and their practicality and convenience are poor.

Method used

A household portable elbow joint functional auxiliary device is designed, including a power transmission mechanism, a drive mechanism, an elbow tray, an elbow movement actuator, a forearm tray and a central control module. The device is controlled by a synchronous belt, drive motor, current sensor, acceleration sensor, angular velocity sensor and pressure sensor dot matrix, and can adjust the assist in real time according to different situations of the patient.

Benefits of technology

It is realized that different preset assist values ​​are set according to different patients, guide patients to actively perform elbow flexion and extension movements, and monitor and adjust in real time during the assist process, adapt to disturbance changes in different patients and situations, provide stable assists, and improve the practicality and portability of rehabilitation equipment.

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Abstract

The present invention provides a household portable elbow joint function assistive device, comprising: a power transmission mechanism, including a shell and a synchronous belt arranged in the shell; a driving mechanism, including a driving motor and a current sensor; an elbow tray, fixedly connected to the driving motor; an elbow motion actuator, including a driven shaft, a forearm connecting rod, a special-shaped shaft, a coil spring, a machine cover and a transparent cover; a forearm tray, fixedly connected to the forearm connecting rod; and a central control module for control, including an operation interface, a central controller and a motor driver, wherein an acceleration sensor is also provided at the driven shaft, and a plane section and a rectangular boss are respectively provided at both ends of the special-shaped shaft, the plane section is connected to an angular velocity sensor, and a pressure sensor dot matrix is ​​also provided at the forearm tray. The present invention also provides a control method for a household portable elbow joint function assistive device to control the household portable elbow joint function assistive device.
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