Air Compression System Having Characteristic of Storing Unstable Energy and Method for Controlling the Same

Abstract

The present invention discloses an air compression system having a characteristic of storing unstable energy and a method for controlling the same. The air compression system comprises an energy conversion system, an energy storage device, a compression device, and an air storage device. The control method comprises the steps of: the energy conversion system collecting the unstable natural energy and converting the unstable energy into a mechanical energy; the energy conversion system transmitting the mechanical energy to the energy storage device for storage; the energy storage device transmitting the energy to the compression device; the compression device utilizing the energy for compressing air for at least one whole stroke; and the compression device storing the compressed air in the air storage device.

1 . An air compression system having a characteristic of storing unstable energy comprising:
 an energy conversion system for collecting the unstable natural energy and converting the unstable energy into a mechanical energy;   an energy storage device being connected with the energy conversion system and for receiving and storing the mechanical energy transmitted by the energy conversion system;   a compression device being connected with the energy storage device, when the energy storage device stores a certain amount of energy, the energy storage device transmitting the energy to the compression device for compressing air; and   an air storage device being connected with the compression device and for storing the air compressed by the compression device.   
     
     
         2 . The air compression system having the characteristic of storing unstable energy according to  claim 1 , wherein the unstable energy is renewable energy and selected from the group consisting of: wind power, water power, solar energy, and ocean energy. 
     
     
         3 . The air compression system having the characteristic of storing unstable energy according to  claim 1 , wherein the energy conversion system comprises:
 an energy collecting device for collecting the unstable natural energy and converting the unstable energy into the mechanical energy;   a transmission device being connected with the energy collecting device and for regulating the rotation direction of an axis and transmitting the mechanical energy downstream;   a speed changing device being connected with the transmission device and for converting the mechanical energy to a sufficient power for driving the energy storage device; and   a transmission mechanism being connected between the speed changing device and the energy storage device and for transmitting the power generated by the speed changing device to the energy storage device.   
     
     
         4 . The air compression system having the characteristic of storing unstable energy according to  claim 3 , wherein the energy collecting device is selected from the group consisting of: a wind power conversion device, a water power conversion device, a solar energy conversion device, an ocean energy conversion device, and a renewable energy conversion device. 
     
     
         5 . The air compression system having the characteristic of storing unstable energy according to  claim 1 , wherein the energy storage device is selected from the group consisting of: a flywheel device, an elastic element, a gravity storing device, and a kinetic energy storing device. 
     
     
         6 . The air compression system having the characteristic of storing unstable energy according to  claim 1 , further comprising a regulation device disposed between the energy storage device and the compression device. 
     
     
         7 . A method for controlling an air compression system having a characteristic of storing unstable energy comprising the steps of:
 (1) an energy conversion system collecting the unstable natural energy;   (2) the energy conversion system converting the unstable energy into a mechanical energy;   (3) the energy conversion system transmitting the mechanical energy to an energy storage device;   (4) the energy storage device storing the mechanical energy;   (5) determining whether the energy storage device stores a certain amount of mechanical energy, if yes, going to step (6), otherwise, going to step (1);   (6) the energy storage device transmitting the mechanical energy to a compression device;   (7) the compression device utilizing the mechanical energy to compress air for at least one whole stroke; and   (8) the compression device storing the compressed air in an air storage device.   
     
     
         8 . The method for controlling the air compression system having the characteristic of storing unstable energy according to  claim 7 , wherein the energy storage device is a flywheel device. 
     
     
         9 . The method for controlling the air compression system having the characteristic of storing unstable energy according to  claim 8 , wherein a regulation device is provided between the flywheel device and the compression device for transmitting the kinetic energy of rotating the flywheel device to the compression device, so as to drive the compression device to compress air for the whole stroke.