Intelligent sports knee braces and intelligent control systems

Abstract

Disclosed is an intelligent sports knee brace including a base and a strap. The base is connected to the strap. The strap connects a knee brace to a target part of a target object through a connection structure, and an inner surface of the base facing the target part is provided with an airbag that contacts the target part. A cavity is provided inside the base. An inflation mechanism, a detection mechanism, a battery assembly, an early warning assembly, and a main control board are arranged in the cavity. The detection mechanism is configured to detect air pressure data of the airbag and motion status data of the target object, the inflation mechanism is configured to inflate or deflate the airbag, the early warning assembly is configured to provide a motion warning and an emergency rescue reminder, and the main control board is electrically connected to the inflation mechanism, the detection mechanism, the battery assembly, and the early warning assembly.

What is claimed is: 
     
         1 . An intelligent sports knee brace, comprising:
 a base and a strap, wherein the base is connected to the strap, the strap connects a knee brace to a target part of a target object through a connection structure, and an inner surface of the base facing the target part is provided with an airbag that contacts the target part, wherein   a cavity is provided inside the base, and an inflation mechanism, a detection mechanism, a battery assembly, an early warning assembly, and a main control board are arranged in the cavity, wherein the detection mechanism is configured to detect air pressure data of the airbag and motion status data of the target object, the inflation mechanism is configured to inflate or deflate the airbag, the early warning assembly is configured to provide a motion warning and an emergency rescue reminder, and the main control board is electrically connected to the inflation mechanism, the detection mechanism, the battery assembly, and the early warning assembly.   
     
     
         2 . The intelligent sports knee brace according to  claim 1 , wherein
 the base comprises a seat body, a base shell, and a support plate, wherein the seat body is connected to the strap, the base shell is connected to the seat body, the cavity is provided inside the base shell, the support plate is embedded in an inner end surface of the base shell, and the airbag is attached to a wall surface of the support plate facing the airbag.   
     
     
         3 . The intelligent sports knee brace according to  claim 2 , wherein
 the seat body comprises a frame body provided with a through hole, an outer peripheral side of the base shell is provided with an annular groove adapted to the frame body, the frame body is embedded in the annular groove, the inner end surface of the base shell is provided with an opening, and the support plate closes the opening of the base shell.   
     
     
         4 . The intelligent sports knee brace according to  claim 3 , wherein
 both sides of the seat body connected to the strap are provided with arc-shaped mounting parts, the arc-shaped mounting parts fit the target part, and the seat body is connected to the strap through the arc-shaped mounting parts.   
     
     
         5 . The intelligent sports knee brace according to  claim 4 , wherein
 an end of each of the arc-shaped mounting parts facing the strap is provided with a mounting hole for connecting to the strap.   
     
     
         6 . The intelligent sports knee brace according to  claim 1 , wherein
 the detection mechanism comprises a pressure sensor and an acceleration sensor, wherein the pressure sensor is configured to detect the air pressure data of the airbag, and the acceleration sensor is configured to detect the motion status data of the target object.   
     
     
         7 . The intelligent sports knee brace according to  claim 1 , wherein
 the inflation mechanism comprises a micro air pump, an electromagnetic valve, and an air circuit connector, wherein the micro air pump, the electromagnetic valve, and the airbag are connected through the air circuit connector, the micro air pump is configured to inflate the airbag, and the electromagnetic valve is configured to control deflation of the airbag.   
     
     
         8 . The intelligent sports knee brace according to  claim 7 , wherein the airbag comprises a plurality of airbag chambers, and the plurality of airbag chambers correspond to different target parts of the target object, respectively. 
     
     
         9 . The intelligent sports knee brace according to  claim 8 , wherein the air circuit connector comprises a micro valve matrix, and the micro valve matrix is configured to connect the micro air pump to the plurality of airbag chambers, respectively. 
     
     
         10 . The intelligent sports knee brace according to  claim 1 , wherein the airbag comprises a thermoplastic elastic layer arranged on an outer side and a silicone insert arranegd on an inner side, the silicone insert is arranged inside the airbag, and a side of the thermoplastic elastic layer facing the target part is further provided with a skin-friendly material layer that fits the target part. 
     
     
         11 . The intelligent sports knee brace according to  claim 10 , wherein the airbag comprises a first end and a second end, both the first end and the second end of the airbag are recessed inward, and an inward recess distance of the first end is greater than an inward recess distance of the second end. 
     
     
         12 . The intelligent sports knee brace according to  claim 1 , wherein the battery assembly comprises a battery and a charger, the charger comprises a magnetic charging dock for rapid charging connection arranged on the base, and the main control board controls the battery assembly through a charging management chip and a power management chip. 
     
     
         13 . The intelligent sports knee brace according to  claim 1 , wherein the early warning assembly comprises a light board arranged in the cavity, and an outer side of the base away from the target part is provided with a light-transmitting sheet corresponding to the light board. 
     
     
         14 . An intelligent control system applied to a intelligent sports knee brace, comprising:
 a control module, a data acquisition module, a pressure adjustment module, an early warning module, a power module, a communication module, and a switch module, wherein the control module is electrically connected to the data acquisition module, the pressure adjustment module, the early warning module, the power module, the communication module, and the switch module, wherein   the data acquisition module comprises a pressure sensor and an acceleration sensor, the pressure sensor is configured to collect air pressure data of an airbag, and the acceleration sensor is configured to collect motion data of a target object;   a database is stored in the control module, the database comprises motion status data corresponding to a plurality of motion postures and pressure adjustment ranges corresponding to the plurality of motion postures, and the control module is configured to: search the database to determine a motion posture of the target object based on the air pressure data and the motion status data collected by the data acquisition module, and control the pressure adjustment module and the early warning module to operate based on the motion posture;   the pressure adjustment module is configured to adjust a pressure of the airbag on a target part according to the motion posture;   the early warning module is configured to issue an early and send emergency rescue information to an emergency contact when a detection mechanism detects that the target object is in an abnormal state;   the power module is electrically connected to the control module, the data acquisition module, the pressure adjustment module, the early warning module, the communication module, and the switch module;   the communication module is configured to wirelessly transmit signals processed by the control module to a user terminal; and   the switch module comprises a switch button and a human body sensing sensor, and the switch module is configured to control the intelligent sports knee brace to turn on or off through the human body sensing sensor arranged on a base.   
     
     
         15 . The intelligent control system according to  claim 14 , wherein the control module is further configured to:
 every first cycle,   determine a pressure adjustment range corresponding to a reference motion posture through an evaluation model according to reference pressure data, reference impact data, and the reference motion posture; and   update the database according to the pressure adjustment range.   
     
     
         16 . The intelligent control system according to  claim 15 , wherein the database further comprises a plurality of reference pressures for a plurality of motion stages corresponding to each of a plurality of reference motion postures, and an output of the evaluation model further comprises the plurality of reference pressures for the plurality of motion stages corresponding to each of the plurality of reference motion postures. 
     
     
         17 . The intelligent control system according to  claim 14 , wherein the control module is further configured to:
 every second cycle, determine a motion stage of the target object according to historical motion data and historical air pressure data;   control a micro air pump to inflate the airbag according to the motion stage; or   control an electromagnetic valve to open to deflate the airbag according to the motion stage.   
     
     
         18 . The intelligent control system according to  claim 17 , wherein the control module is further configured to:
 determine a plurality of reference pressures for a plurality of motion stages corresponding to the motion posture through the database according to the motion posture; and   for each motion stage of the plurality of motion stages, generate a pressure adjustment instruction according to the motion stage, a reference pressure corresponding to the motion stage, and the air pressure data, wherein the pressure adjustment instruction controls the micro air pump to inflate the airbag; or the pressure adjustment instruction controls the electromagnetic valve to open to a reference opening degree to deflate the airbag.   
     
     
         19 . The intelligent control system according to  claim 17 , wherein the control module is further configured to:
 in response to detecting a high-risk action of the target object, send an inflation instruction to an inflation mechanism, wherein the inflation instruction controls the micro air pump to inflate the airbag at a rated power.   
     
     
         20 . The intelligent control system according to  claim 19 , wherein the control module is further configured to:
 in response to detecting the high-risk action, determine pressure adjustment values for airbag chambers according to a high-risk feature; and   generate a plurality of micro valve adjustment instructions including sub-opening degrees according to the pressure adjustment values and the air pressure data, and control corresponding micro valves in a micro valve matrix to inflate the airbag chambers at corresponding sub-opening degrees based on the micro valve adjustment instructions.