Protection device, offshore support platform and offshore wind turbine generator system

Abstract

A protection device for an offshore support platform, comprising at least two protection rings arranged with top and bottom spacing, the protection rings are configured to be arranged on the periphery of the support column of the offshore support platform; An offshore support platform, comprising a support platform and a support column, the upper end of the support column is connected to the support platform, the lower end of the support column is inserted into the seabed; the offshore support platform further comprises the aforementioned protection device, and the protection ring of the protection device is connected to the support column. In the protection device and offshore support platform according to the present invention, the interaction between the protection rings and wave can change the motion of water particles, thus significantly reducing the height of wave, and reducing the energy of wave.

What is claimed is: 
     
         1 . A protection device for an offshore support platform, comprising at least two protection rings arranged from top to bottom with a spacing therebetween, the protection rings are configured to surround the periphery of the support columns of the offshore support platform. 
     
     
         2 . The protection device according to  claim 1 , characterized in that, the diameters of the protection rings increase from upper protection ring to lower protection ring. 
     
     
         3 . The protection device according to  claim 1 , further comprising a first connection beam between the protection rings. 
     
     
         4 . The protection device according to  claim 2 , further comprising a first connection beam between the protection rings. 
     
     
         5 . The protection device according to  claim 1 , characterized in that, the number of the protection rings is two, three or four. 
     
     
         6 . The protection device according to  claim 2 , characterized in that, the number of the protection rings is two, three or four. 
     
     
         7 . The protection device according to  claim 1 , characterized in that, an outer annulus surface of the protection ring is a sloped surface inclined to the center of the protection ring, and an outer ring edge of the protection ring is lower than an inner ring edge of the protection ring. 
     
     
         8 . The protection device according to  claim 2 , characterized in that, an outer annulus surface of the protection ring is a sloped surface inclined to the center of the protection ring, and an outer ring edge of the protection ring is lower than an inner ring edge of the protection ring. 
     
     
         9 . The protection device according to  claim 1 , characterized in that, a cross section of the protection ring is of airfoil shape, and an outer ring edge of the protection ring is lower than an inner ring edge of the protection ring. 
     
     
         10 . The protection device according to  claim 2 , characterized in that, a cross section of the protection ring is of airfoil shape, and an outer ring edge of the protection ring is lower than an inner ring edge of the protection ring. 
     
     
         11 . The protection device according to  claim 1 , further comprising a central circular pipe and a reinforcement beam; the central circular pipe is located within the protection ring and concentric with the protection ring, one end of the reinforcement beam is connected to the protection ring and the other end of the reinforcement beam is connected to the central circular pipe. 
     
     
         12 . The protection device according to  claim 2 , further comprising a central circular pipe and a reinforcement beam; the central circular pipe is located within the protection ring and concentric with the protection ring, one end of the reinforcement beam is connected to the protection ring and the other end of the reinforcement beam is connected to the central circular pipe. 
     
     
         13 . The protection device according to  claim 12 , characterized in that, the reinforcement beam is an oval pipe, and the long axis in the cross section of the oval pipe is parallel to the horizontal plane. 
     
     
         14 . The protection device according to  claim 1 , characterized in that, the offshore support platform is configured to support an offshore wind turbine generator. 
     
     
         15 . An offshore support platform, comprising a support platform and a support column, the upper end of the support column is connected to the support platform, the lower end of the support column is inserted into the seabed; wherein the offshore support platform further comprises the protection device as recited in  claim 1 , and the protection ring of the protection device is connected to the support column. 
     
     
         16 . The offshore support platform according to  claim 15 , further comprising a second connection beam; the second connection beam is connected between the protection ring and the support column. 
     
     
         17 . The offshore support platform according to  claim 16 , characterized in that, the reinforcement beam is an oval pipe, and the long axis in the section of the oval pipe is parallel to the horizontal plane. 
     
     
         18 . The protection device according to  claim 14 , characterized in that, the offshore support platform is configured to support an offshore wind turbine generator. 
     
     
         19 . An offshore wind turbine generator system, comprising an offshore wind turbine generator and an offshore support platform, wherein the offshore support platform comprises a support platform and a support column, the upper end of the support column is connected to the support platform, the lower end of the support column is inserted into the seabed;
 the offshore wind turbine generator is provided on the offshore support platform, the offshore wind turbine generator system further comprises the protection device as recited in  claim 1 , and the protection device is arranged on the periphery of the support column.