Fitness device, exercise management system using same, and method for managing execise

Abstract

A fitness device using air pressure of a cylinder as an exercise load. The fitness device includes an air cylinder in which air pressure is maintained according to an exercise load value; a position recognition sensor for generating a position recognition signal when a piston of the air cylinder approaches a set position of a load increase of a top or a bottom of a cylinder; a controller for generating a load increase signal for increasing exercise load according to the position recognition signal; and an electric pneumatic proportion control valve for maintaining air pressure value of the air cylinder according to the exercise load value set by the controller and for increasing the air pressure of the air cylinder by 10˜20% for a predetermined time by receiving the load increase signal.

1 . A fitness device, wherein the fitness device using air pressure of a cylinder as an exercise load, comprising:
 an air cylinder in which air pressure is maintained according to an exercise load value;   a position recognition sensor for generating a position recognition signal when a piston of the air cylinder approaches a set position of a load increase of a top or a bottom of cylinder;   a controller for generating a load increase signal for increasing exercise load according to the position recognition signal; and   an electric pneumatic proportion control valve for maintaining air pressure value of the air cylinder according to the exercise load value set by the controller and for increasing the air pressure of the air cylinder by 10˜20% for a predetermined time by receiving the load increase signal.   
     
     
         2 . The fitness device according to  claim 1 , wherein the air cylinder is a single-acting air cylinder, and
 wherein the electric pneumatic proportion control valve is connected to one air chamber of air chambers divided by a head of the piston, and controls air entered or exited in each stroke to have sane air pressure value at same exercise load value although a position of the piston changes.   
     
     
         3 . The fitness device according to  claim 1 , wherein the controller comprises:
 a load setting portion where the exercise load value is set,   a load-increase-signal generating portion for generating the load increase signal,   a type changing portion for changing a type of exercise, and   an emergency stopping portion for inducing an emergency stop of the exercise.   
     
     
         4 . The fitness device according to  claim 1 , wherein the electric pneumatic proportion control valve maintains the air pressure of the air cylinder by keeping opening degree at blackout to have opening degree before the blackout. 
     
     
         5 . The fitness device according to  claim 1 , further comprising an electric pneumatic bidirectional solenoid valve,
 wherein one end of the electric pneumatic bidirectional solenoid valve is connected to the electric pneumatic proportion control valve and the other end of the electric pneumatic bidirectional solenoid valve is connected to each of air entrances of the air chambers divided by the piston of the air cylinder, and   the electric pneumatic bidirectional solenoid valve connects from the electric pneumatic proportion control valve to one chamber of the air chambers selectively and provides bidirectional exercise load.   
     
     
         6 . The fitness device according to  claim 1 , further comprising:
 a compressor for compressing air;   a solenoid valve connected to the compressor, the solenoid valve preventing oil leak and exhausting remain pressure;   an air tank connected to the solenoid valve, wherein the air tank for storing the compressed air;   a filter regulator connected between the air tank and the electric pneumatic proportion control valve, wherein the filter regulator for controlling the air pressure of the air discharged from the air tank and for filtering the air; and   an on-off switch for supplying an external power to the controller, the compressor, and the solenoid valve or for shutting the external power.   
     
     
         7 . A fitness device, comprising:
 an air cylinder for providing an inner air pressure as exercise load;   a piston connected to an exercise lever, wherein a first stroke of the piston being for measuring a maximum exercise stroke, a second stroke of the piston being for measuring a maximum muscular strength value, and a third stroke of the piston being for compensating an exercise load value;   a position recognition sensor installed at the air cylinder or the piston, wherein the position recognition sensor for detecting an exercise position of the piston and generating an exercise position signal;   a load cell installed at a head of the piston, wherein the load cell for detecting the exercise load applied to the piston and generating an exercise load signal;   a timer for detecting time of each stroke and generating an exercise time signal;   a controller, wherein the controller for setting the air cylinder to a no load value and measuring the maximum exercise stroke by the exercise position signal during the first stroke, the controller for setting the air cylinder to a maximum load value and measuring the maximum muscular strength value by the exercise load signal during the second stroke, the controller for setting the air cylinder to a basic exercise load value by using the maximum exercise stroke and the maximum muscular strength value during the third stroke, and the controller for setting a normal exercise load value from the fourth stroke by compensating the basic exercise load value by using exercise speed measured by the exercise position signal and the exercise time signal of the third stroke; and   an electric pneumatic proportion control valve for maintaining the air pressure value of the air cylinder in proportion to the exercise load value set by the controller.   
     
     
         8 . The fitness device according to  claim 7 , wherein the position recognition sensor comprises a magnetic element mounted on the head of the piston, and magnetic switches mounted to have regular intervals in a longitudinal direction at the air cylinder and are operated by an approach of the magnetic element. 
     
     
         9 . The fitness device according to  claim 7 , wherein the position recognition sensor comprises a roller being in close contact with a rod of the piston and being rotated by interworking with an movement of the rod, and an encorder being connected to the roller and detecting a position of the piston according to a rotation number and a rotation direction. 
     
     
         10 . The fitness device according to  claim 7 , wherein the fitness device stores muscular strength values according to the exercise positions of every stroke as data, after the third stroke. 
     
     
         11 . The fitness device according to  claim 7 , wherein the fitness device controls and sets the normal exercise load value according to the exercise position of every stroke, after the third stroke. 
     
     
         12 . The fitness device according to  claim 11 , wherein the exercise position of the piston in each stroke corresponds to an exercised muscle area, and the normal exercise load value increase at the exercise position corresponding to a muscle area to be activated. 
     
     
         13 . The fitness device according to  claim 11 , further comprising:
 an input panel for controlling the normal exercise load value.   
     
     
         14 . The fitness device according to  claim 7 , further comprising:
 an emergency stopping button for inducing an emergency stop of the exercise,   wherein the controller rapidly changes the normal exercise load value supplied from the fourth stroke to a no load value when the emergency stopping button is operated.   
     
     
         15 . An exercise management system, comprising:
 a fitness device comprising a single-acting air cylinder for providing an inner air pressure of the air cylinder as exercise load, an electric pneumatic proportion control valve being connected to the air cylinder and controlling the exercise load of the air cylinder according an input voltage value, a position recognition sensor for detecting a number of a reciprocal movement of a piston of the air cylinder, and a controller converting the input voltage value and the number of the reciprocal movement of the piston to exercise load information and exercise number information;   a central server device for generating exercise statistical data by receiving exercise data comprising the exercise load information and the exercise number information from the fitness device and for generating exercise prescription data by comparing the exercise statistical data and predetermined exercise management data; and   a terminal device for receiving the exercise statistical data, the exercise management data, and the exercise prescription data from the central server device and displaying them.   
     
     
         16 . The exercise management system according to  claim 15 , wherein the fitness device comprises a plurality of fitness devices of different exercise types, and each of the fitness devices comprises a RFID reader, and
 a user of the fitness device is identified, the used fitness device is identified, and exercise time is checked by identifying a MID tag possessed by the user.   
     
     
         17 . The exercise management system according to  claim 15 , wherein the exercise data comprises at least one of member information of a user, type information of the fitness device, or exercise time information. 
     
     
         18 . The exercise management system according to  claim 15 , wherein the exercise management data comprises at least one of management information of the fitness device, member management information, exercise management information of the member, or muscular strength management information according s type of the fitness device. 
     
     
         19 . The exercise management system according to  claim 15 , wherein the terminal device receives an exercise control data for compulsively controlling the exercise load and the exercise number of the fitness device according to the exercise prescription data and transmits the exercise control data to the central server device, and
 the fitness device receives the exercise control data from the central server device, and controls the input voltage value of the electric pneumatic proportion control valve and maintains the exercise load of the exercise control data until the exercise number of the exercise control data is accomplished, and ends the exercise control by eliminating the air pressure of the air cylinder after the exercise number is accomplished.   
     
     
         20 . An exercise management method, comprising steps of
 identifying a user and a used fitness device and checking exercise time by identifying a FRID tag possessed by the user of the fitness device, wherein the fitness device comprising a single-acting air cylinder providing an inner air pressure as exercise load, an electric pneumatic proportion control valve being connected to the air cylinder and controlling the exercise load of the air cylinder according an input voltage value, a position recognition sensor for detecting a number of a reciprocal movement of a piston of the air cylinder, and a controller for converting the input voltage value and the number of the reciprocal movement of the piston to exercise load information and exercise number information, wherein the fitness device comprises a plurality of fitness devices of different exercise types, and each of the fitness devices comprises a RFID reader, and   generating exercise statistical data by a central server device through receiving at least one of member information of the user, type information of the fitness device, the exercise load information, the exercise number information, or the exercise time information; and   generating the exercise prescription data by comparing the exercise statistical data and predetermined exercise management data and displaying the exercise statistical data, the exercise management data, and the exercise prescription data on a terminal device.   
     
     
         21 . The exercise management method according to  claim 20 , further comprising steps of:
 entering an exercise control data for compulsively controlling the exercise load and the exercise number of the fitness device according to the exercise prescription data;   maintaining the exercise load of the exercise control data by controlling the input voltage value of the electric pneumatic proportion control valve until the exercise number of the exercise control data is accomplished, and   ending the exercise control by eliminating the air pressure of the air cylinder after the exercise number is accomplished.